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All-in-one car seats

One seat from rear-facing to booster. Fewer seats to buy, but bigger and heavier.

Empty gray all-in-one car seat on a nursery rug with a wooden toy car and hills muralAll-in-one
  • 70models tracked
  • $99 to $799price range
  • 40 lb–50 lbrear-facing limit

All-in-one car seats by budget

The 58 all-in-one car seats with a published list price, split into thirds by price. A to Z within each lane. Price isn't a quality rating.

Budget-friendlyUnder $26019
Show 11 more
Mid-range$260 to $37019
Show 11 more
Splurge$370 and up20
Show 12 more

All 70 all-in-one car seats

Must have:
Filters
Price
Width
Seat weight
Rear-facing up to at least
Harness up to at least
Booster up to at least
Must have
Brand
✓ maker says yes ✕ maker says no ? not published
CompareAnti-rebound barRotatesCertified for aircraft
Baby Trend Cover Me 4-in-1rear-facing to 40 lb, harness to 65 lb, 18.5 in wideCertified for aircraft $169.9940 lb65 lb100 lb18.5 in19.84 lb✕✕✓
Baby Trend Journey 4-in-1rear-facing to 40 lb, harness to 65 lb, 18.25 in wideCertified for aircraft $149.9940 lb65 lb100 lb18.25 in16.24 lb✕✕✓
Britax One4Life ClickTight All-in-Onerear-facing to 50 lb, harness to 65 lb, 19.5 in wideNo added flame retardantsCertified for aircraft $439.9950 lb65 lb120 lb19.5 in30 lb✕✕✓
Britax One4Life Slimrear-facing to 50 lb, harness to 65 lb, 17.5 in wideNo added flame retardantsCertified for aircraft $449.9950 lb65 lb120 lb17.5 in28 lb✕✕✓
Chicco Fit3x ClearTex Ultra-Slim All-in-Onerear-facing to 40 lb, harness to 65 lb, 16.7 in wideNo added flame retardantsCertified for aircraft $229.9940 lb65 lb100 lb16.7 in21 lb✕✕✓
Chicco OneFit LX ClearTex All-in-Onerear-facing to 40 lb, harness to 65 lb, 19 in wideNo added flame retardantsCertified for aircraft $329.9940 lb65 lb100 lb19 in25.5 lb✕✕✓
Chicco OneFit Max ClearTexrear-facing to 40 lb, harness to 65 lb, 19.5 in wideNo added flame retardantsCertified for aircraft $379.9940 lb65 lb100 lb19.5 in27 lb✕✕✓
Cosco Easy Elite Slim All-in-Onerear-facing to 40 lb, harness to 65 lbCertified for aircraft $9940 lb65 lb100 lb––✕✕✓
Cybex Callisto G 360rear-facing to 40 lb, harness to 65 lb, 19.5 in wideNo added flame retardantsAnti-rebound barRotatesCertified for aircraft $699.9540 lb65 lb120 lb19.5 in35 lb✓✓✓
Cybex Callisto G 360 Selectrear-facing to 40 lb, harness to 65 lb, 19.5 in wideNo added flame retardantsAnti-rebound barRotatesCertified for aircraft $649.9540 lb65 lb120 lb19.5 in35 lb✓✓✓
Cybex Callisto T 360rear-facing to 50 lb, harness to 65 lb, 19.5 in wideNo added flame retardantsAnti-rebound barRotatesCertified for aircraft $799.9550 lb65 lb120 lb19.5 in35 lb✓✓✓
Diono Radian 3R SafePlusrear-facing to 50 lb, harness to 65 lb, 17 in wideAnti-rebound bar $259.9950 lb65 lb120 lb17 in29.3 lb✓??
Disney Baby EverSlim 4-in-1rear-facing to 40 lb, harness to 65 lbCertified for aircraft $259.9940 lb65 lb100 lb––✕✕✓
Disney Baby Grow and Go All-in-Onerear-facing to 40 lb, harness to 65 lbCertified for aircraft $269.9940 lb65 lb100 lb––✕✕✓
Disney Baby Turn and Go 360 Rotating All-in-Onerear-facing to 40 lb, harness to 65 lbRotates $399.9940 lb65 lb100 lb––✕✓✕
Evenflo All4Stages Slim Plus Canopy 4-in-1rear-facing to 40 lb, harness to 65 lb, 16.9 in wideCertified for aircraft $259.9940 lb65 lb120 lb16.9 in25.2 lb✕✕✓
Evenflo Revolve360 Extendrear-facing to 50 lb, harness to 65 lb, 19.8 in wideRotatesCertified for aircraft $469.9950 lb65 lb120 lb19.8 in29.6 lb✕✓✓
Evenflo Revolve360 Rotating All-In-Onerear-facing to 40 lb, harness to 65 lb, 19.8 in wideRotatesCertified for aircraft $349.9940 lb65 lb120 lb19.8 in29.6 lb✕✓✓
Evenflo Symphony All-in-Onerear-facing to 40 lb, harness to 65 lbPrevious generationCertified for aircraft –40 lb65 lb110 lb––✕✕✓
Evenflo Symphony Extend Breeze 3-in-1rear-facing to 50 lb, harness to 65 lb, 18.5 in wide $279.9950 lb65 lb100 lb18.5 in17 lb?✕?
Graco 4Ever DLX 4-in-1rear-facing to 40 lb, harness to 65 lb, 21.5 in wideCertified for aircraft $319.9940 lb65 lb120 lb21.5 in23 lb✕✕✓
Graco 4Ever DLX Grad 5-in-1rear-facing to 40 lb, harness to 65 lb, 18 in wide $429.9940 lb65 lb100 lb18 in24.1 lb✕✕?
Graco 4Ever DLX Slim 4-in-1rear-facing to 40 lb, harness to 65 lb, 18.9 in wide $369.9940 lb65 lb100 lb18.9 in27.5 lb✕✕?
Graco Extend2Fit 3-in-1rear-facing to 50 lb, harness to 65 lb, 19 in wideCertified for aircraft $269.9950 lb65 lb100 lb19 in20.61 lb✕✕✓
Graco Grows4Me 4-in-1rear-facing to 40 lb, harness to 65 lb, 21.5 in wideCertified for aircraft $229.9940 lb65 lb110 lb21.5 in22.5 lb✕✕✓
Graco SlimFit 3-in-1rear-facing to 40 lb, harness to 65 lb, 19.9 in wideCertified for aircraft $229.9940 lb65 lb100 lb19.9 in19.47 lb✕✕✓
Graco SlimFit LX 3-in-1rear-facing to 40 lb, harness to 65 lb, 19.9 in wideCertified for aircraft –40 lb65 lb100 lb19.9 in21.5 lb✕✕✓
Graco SlimFit3 LXrear-facing to 40 lb, harness to 65 lb, 16.7 in wideCertified for aircraft $299.9940 lb65 lb100 lb16.7 in19.2 lb✕✕✓
Graco TrioGrow SnugLockrear-facing to 40 lb, harness to 65 lb, 19 in wideCertified for aircraft –40 lb65 lb100 lb19 in18.92 lb✕✕✓
Graco TriRide 3-in-1rear-facing to 40 lb, harness to 65 lb, 19 in wideCertified for aircraft $199.9940 lb65 lb100 lb19 in18.45 lb✕✕✓
Graco Turn2Me 3-in-1rear-facing to 40 lb, harness to 65 lb, 19.13 in wideRotatesCertified for aircraft $399.9940 lb65 lb100 lb19.13 in20 lb✕✓✓
Joie matcha spin SIrear-facing to 40 lb, harness to 65 lb, 18.8 in wideRotates $399.9940 lb65 lb100 lb18.8 in29.21 lb✕✓✕
Joie Pepper Spin SI Rotating 4-in-1rear-facing to 40 lb, harness to 65 lb, 19.2 in wideRotates $449.9940 lb65 lb120 lb19.2 in32.4 lb✕✓✕
Joie saffron SI 4-in-1rear-facing to 40 lb, harness to 65 lb, 19 in wide $249.9940 lb65 lb120 lb19 in23.1 lb✕✕✕
Maxi-Cosi Andi 360rear-facing to 40 lb, harness to 65 lbNo added flame retardantsRotates $499.9940 lb65 lb100 lb––✕✓✕
Maxi-Cosi Kani 4-in-1rear-facing to 40 lb, harness to 65 lbNo added flame retardantsCertified for aircraft $379.9940 lb65 lb100 lb––✕✕✓
Maxi-Cosi Petra All-in-Onerear-facing to 40 lb, harness to 65 lbNo added flame retardantsCertified for aircraft $229.9940 lb65 lb100 lb––✕✕✓
Maxi-Cosi Pria All-in-Onerear-facing to 40 lb, harness to 65 lbNo added flame retardantsCertified for aircraft $269.9940 lb65 lb100 lb–12.2 lb✕✕✓
Maxi-Cosi Pria Maxrear-facing to 40 lb, harness to 65 lbNo added flame retardantsCertified for aircraft $329.9940 lb65 lb100 lb–16.8 lb✕✕✓
Maxi-Cosi Pria Max+ All-in-Onerear-facing to 40 lb, harness to 65 lbNo added flame retardantsCertified for aircraft $329.9940 lb65 lb100 lb––✕✕✓
Maxi-Cosi Selarear-facing to 40 lb, harness to 65 lbNo added flame retardantsCertified for aircraft $449.9940 lb65 lb100 lb–27.25 lb✕✕✓
Nuna EXEC nextrear-facing to 50 lb, harness to 65 lb, 17.4 in wideNo added flame retardantsAnti-rebound barCertified for aircraft $72050 lb65 lb110 lb17.4 in26.8 lb✓✕✓
Peg Perego Primo Viaggio All in Onerear-facing to 50 lb, harness to 65 lb, 18.9 in wideAnti-rebound barRotatesCertified for aircraft $499.9950 lb65 lb120 lb18.9 in25.65 lb✓✓✓
Römer Nexa All-in-Onerear-facing to 50 lb, harness to 65 lb, 17.5 in wideAnti-rebound barCertified for aircraft $749.9950 lb65 lb120 lb17.5 in29.9 lb✓✕✓
Safety 1st Crosstown All-in-Onerear-facing to 40 lb, harness to 65 lb, 19.5 in wideCertified for aircraft $129.9940 lb65 lb100 lb19.5 in–✕✕✓
Safety 1st EverSlim 4-in-1rear-facing to 40 lb, harness to 65 lbCertified for aircraft $229.9940 lb65 lb100 lb––✕✕✓
Safety 1st Grow and Gorear-facing to 40 lb, harness to 65 lbCertified for aircraft $159.9940 lb65 lb100 lb––✕✕✓
Safety 1st Grow and Go Extend 'n Ride LX All-in-Onerear-facing to 40 lb, harness to 65 lbCertified for aircraft $209.9940 lb65 lb100 lb––✕✕✓
Safety 1st Grow and Go Sprintrear-facing to 40 lb, harness to 65 lbCertified for aircraft $149.9940 lb65 lb100 lb––✕✕✓
Safety 1st QuickFitrear-facing to 40 lb, harness to 65 lbCertified for aircraft $99.9840 lb65 lb100 lb––✕✕✓
Safety 1st Simple-Click Canopy All-in-Onerear-facing to 40 lb, harness to 65 lbCertified for aircraft $179.9940 lb65 lb100 lb––✕✕✓
Safety 1st SlimRide 4-in-1rear-facing to 40 lb, harness to 65 lbCertified for aircraft $199.9940 lb65 lb100 lb––✕✕✓
Safety 1st TriFitrear-facing to 40 lb, harness to 65 lbCertified for aircraft $139.9940 lb65 lb100 lb––✕✕✓
Safety 1st TriMaterear-facing to 40 lb, harness to 65 lbCertified for aircraft $149.9940 lb65 lb100 lb––✕✕✓
Safety 1st Turn and Go 360 DLXrear-facing to 40 lb, harness to 65 lbRotates $349.9940 lb65 lb100 lb––✕✓✕
Safety 1st Turn and Go 360 Rotatingrear-facing to 40 lb, harness to 65 lbRotates $349.9940 lb65 lb100 lb––✕✓✕
Safety 1st Turn and Go 360 ST Rotating All-in-Onerear-facing to 40 lb, harness to 65 lbRotates $329.9940 lb65 lb100 lb––✕✓✕
Chicco Fit4 4-in-1rear-facing to 40 lb, harness to 65 lbDiscontinuedCertified for aircraft –40 lb65 lb100 lb––✕✕✓
Chicco OneFit ClearTexrear-facing to 40 lb, harness to 65 lbDiscontinuedNo added flame retardantsCertified for aircraft $329.9940 lb65 lb100 lb–25 lb✕✕✓
Cybex Eternis Srear-facing to 50 lb, harness to 65 lb, 19.8 in wideDiscontinuedAnti-rebound barCertified for aircraft $299.9550 lb65 lb120 lb19.8 in26 lb✓✕✓
Diono Radian 3QXrear-facing to 50 lb, harness to 65 lb, 17 in wideDiscontinuedAnti-rebound barCertified for aircraft $399.9950 lb65 lb120 lb17 in29.6 lb✓✕✓
Diono Radian 3RXTrear-facing to 50 lb, harness to 65 lb, 17 in wideDiscontinuedAnti-rebound barCertified for aircraft $299.9950 lb65 lb120 lb17 in30.6 lb✓✕✓
Evenflo All4One / All4One DLX 4-in-1rear-facing to 40 lb, harness to 65 lbDiscontinuedCertified for aircraft –40 lb65 lb120 lb––?✕✓
Evenflo EveryFit / EveryKid / All4One 3-in-1rear-facing to 40 lb, harness to 65 lbDiscontinuedCertified for aircraft –40 lb65 lb120 lb––?✕✓
Evenflo EveryFit 4-in-1rear-facing to 40 lb, harness to 65 lbDiscontinuedCertified for aircraft –40 lb65 lb120 lb–19 lb?✕✓
Graco 4Ever DLX SnugLock 4-in-1rear-facing to 40 lb, harness to 65 lbDiscontinuedCertified for aircraft –40 lb65 lb120 lb––✕✕✓
Graco Premier 4Ever DLX Extend2Fit SnugLock 4-in-1 with Anti-Rebound Barrear-facing to 50 lb, harness to 65 lb, 19 in wideDiscontinuedAnti-rebound barCertified for aircraft –50 lb65 lb120 lb19 in28.1 lb✓✕✓
Graco True3Fit LX 3-in-1rear-facing to 40 lb, harness to 65 lbDiscontinuedCertified for aircraft –40 lb65 lb100 lb––✕✕✓
Maxi-Cosi Emme 360rear-facing to 40 lb, harness to 65 lbDiscontinuedRotates –40 lb65 lb100 lb––✕✓✕
Nuna EXECrear-facing to 50 lb, harness to 65 lbDiscontinuedCertified for aircraft –50 lb65 lb110 lb––?✕✓

All-in-one car seats by the numbers

The 70 we compare, from each maker's published specs. Ranges, not ratings.

  • Expiration9 years to 12 years; the middle half 10 years to 10 years (63 of 70 publish it)
  • Rear-facing limit40 lb to 50 lb; the middle half 40 lb to 40 lb (70 of 70 publish it)
  • Width16.7 in to 21.5 in; the middle half 18 in to 19.5 in (37 of 70 publish it)
  • Weight12.2 lb to 35 lb; the middle half 20 lb to 29.3 lb (41 of 70 publish it)
  • Price$99 to $799.95; the middle half $229.99 to $399.99 (58 of 70 publish it)

How common each feature is

  • No added flame retardants17 of 19 that list it
  • Aircraft label57 of 66 that list it
  • Rotates15 of 69 that list it
  • Anti-rebound bar11 of 65 that list it

From the American Academy of Pediatrics

Maker limits: all-in-one car seats

Highest listed limit first. 63 of 70 list an expiration, from 9 to 12 years after manufacture.

SeatRear-facingForward, harnessBoosterExpires after
Peg Perego Primo Viaggio All in One5–50 lb26.5–65 lb40–120 lb12 years
Britax One4Life ClickTight All-in-Oneto 50 lb30–65 lb40–120 lb10 years
Evenflo Revolve360 Rotating All-In-One4–40 lb30–65 lb40–120 lb10 years
Cybex Callisto G 3604–40 lb26.5–65 lb40–120 lb10 years
Cybex Callisto G 360 Select4–40 lb26.5–65 lb40–120 lb10 years
Cybex Callisto T 3604–50 lb26.5–65 lb40–120 lb10 years
Diono Radian 3R SafePlus4–50 lb26.5–65 lb40–120 lb10 years
Joie saffron SI 4-in-14–40 lb30–65 lb40–120 lb10 years
Graco 4Ever DLX 4-in-14–40 lb26.5–65 lb40–120 lb10 years
Britax One4Life Slimto 50 lbto 65 lbto 120 lb10 years
Evenflo Revolve360 Extend4–50 lb30–65 lb40–120 lb10 years
Diono Radian 3RXT5–50 lb22–65 lb40–120 lb10 years
Diono Radian 3QX4–50 lb22–65 lb40–120 lb10 years
Cybex Eternis S4–50 lb22–65 lb40–120 lb10 years
Joie Pepper Spin SI Rotating 4-in-14–40 lb30–65 lb40–120 lb10 years
Graco 4Ever DLX SnugLock 4-in-14–40 lb22–65 lb40–120 lb10 years
Graco Premier 4Ever DLX Extend2Fit SnugLock 4-in-1 with Anti-Rebound Bar4–50 lb26.5–65 lb40–120 lb10 years
Römer Nexa All-in-One5–50 lb30–65 lb40–120 lb10 years
Evenflo All4Stages Slim Plus Canopy 4-in-14–40 lb30–65 lb40–120 lb
Evenflo EveryFit 4-in-14–40 lb22–65 lb40–120 lb
Evenflo All4One / All4One DLX 4-in-14–40 lb22–65 lb40–120 lb
Evenflo EveryFit / EveryKid / All4One 3-in-14–40 lb22–65 lb40–120 lb
Graco Grows4Me 4-in-15–40 lb26.5–65 lb40–110 lb10 years
Nuna EXEC next5–50 lb30–65 lb40–110 lb10 years
Nuna EXEC5–50 lb30–65 lb40–110 lb10 years

Showing the first 25 of 70.

Weights and heights as each maker lists them. Follow the labels on your seat.

Shortlist: 4 models, each highest or lowest on one spec

Ranked on the maker's published numbers only. Not a safety or quality rating.

About all-in-one car seats

An all-in-one seat goes rear-facing, forward-facing with a harness, and then becomes a belt-positioning booster. One purchase can last years. These seats are larger and heavier than most convertibles, and each maker sets its own lifespan.

Compare the rear-facing limit, the booster range, the expiration, and the width before you buy.

Key facts

  • We track 70 seats here from 15 brands, with limits taken from each maker. Last checked 2026-11-06.
  • Rear-facing weight limits on convertible and all-in-one seats run from 40 lb to 50 lb; 15 of 70 reach 50 lb or more.
  • Published widths run from 16.7 in (Chicco Fit3x ClearTex Ultra-Slim All-in-One) to 21.5 in.
  • Maker expiration periods run from 9 to 12 years from the date of manufacture.
  • 57 seats list FAA approval for aircraft. Boosters aren't certified for use on planes.
  • 15 seats rotate for loading.

Computed from each maker's published specs, last checked 2026-11-06.

All-in-one car seats by the numbers

Rear-facing weight limits

How many all-in-one seats stop at each limit.

  1. Up to 40 lb55 seats
  2. Up to 50 lb15 seats

Longest expiration

Years from the date of manufacture, per each maker.

  1. Peg Perego Primo Viaggio All in One12 years
  2. Chicco OneFit ClearTex10 years
  3. Chicco Fit4 4-in-110 years
  4. Graco Grows4Me 4-in-110 years
  5. Graco SlimFit 3-in-110 years
  6. Graco 4Ever DLX Slim 4-in-110 years
  7. Britax One4Life ClickTight All-in-One10 years
  8. Evenflo Revolve360 Rotating All-In-One10 years
  9. Nuna EXEC next10 years
  10. Maxi-Cosi Andi 36010 years

Width vs price

Each dot is one of the 31 all-in-one car seats with both specs published; further left is narrower, lower is cheaper. Numbered dots are the shortlist.

$200$400$600$800 narrower & cheaper than most 17 in18 in19 in20 in21 in Width Safety 1st Crosstown All-in-One: 19.5 in, $129.99Crosstown All-in-OneBaby Trend Journey 4-in-1: 18.3 in, $149.99Journey 4-in-1Graco TriRide 3-in-1: 19 in, $199.99TriRide 3-in-1Graco Grows4Me 4-in-1: 21.5 in, $229.99Grows4Me 4-in-1Graco SlimFit 3-in-1: 19.9 in, $229.99SlimFit 3-in-1Joie saffron SI 4-in-1: 19 in, $249.99saffron SI 4-in-1Evenflo All4Stages Slim Plus Canopy 4-in-1: 16.9 in, $259.99aDiono Radian 3R SafePlus: 17 in, $259.99Radian 3R SafePlusGraco Extend2Fit 3-in-1: 19 in, $269.99bEvenflo Symphony Extend Breeze 3-in-1: 18.5 in, $279.99Symphony Extend Breeze 3-in-1Graco SlimFit3 LX: 16.7 in, $299.99cGraco 4Ever DLX 4-in-1: 21.5 in, $319.994Ever DLX 4-in-1Chicco OneFit LX ClearTex All-in-One: 19 in, $329.99OneFit LX ClearTex All-in-OneEvenflo Revolve360 Rotating All-In-One: 19.8 in, $349.99Revolve360 Rotating All-In-OneGraco 4Ever DLX Slim 4-in-1: 18.9 in, $369.994Ever DLX Slim 4-in-1Chicco OneFit Max ClearTex: 19.5 in, $379.99OneFit Max ClearTexJoie matcha spin SI: 18.8 in, $399.99matcha spin SIGraco Turn2Me 3-in-1: 19.1 in, $399.99Turn2Me 3-in-1Graco 4Ever DLX Grad 5-in-1: 18 in, $429.994Ever DLX Grad 5-in-1Britax One4Life Slim: 17.5 in, $449.99One4Life SlimJoie Pepper Spin SI Rotating 4-in-1: 19.2 in, $449.99dEvenflo Revolve360 Extend: 19.8 in, $469.99Revolve360 ExtendPeg Perego Primo Viaggio All in One: 18.9 in, $499.99Primo Viaggio All in OneCybex Callisto G 360 Select: 19.5 in, $649.95Callisto G 360 SelectCybex Callisto G 360: 19.5 in, $699.95Callisto G 360Nuna EXEC next: 17.4 in, $720EXEC nextRömer Nexa All-in-One: 17.5 in, $749.99Nexa All-in-OneCybex Callisto T 360: 19.5 in, $799.95Callisto T 360Baby Trend Cover Me 4-in-1: 18.5 in, $169.992Cover Me 4-in-1Chicco Fit3x ClearTex Ultra-Slim All-in-One: 16.7 in, $229.993Fit3x ClearTex Ultra-Slim All-in-OneBritax One4Life ClickTight All-in-One: 19.5 in, $439.991One4Life ClickTight All-in-One
Hover, tap or Tab to a dot to see the product. Exact numbers are in the table below.
  1. 1Britax One4Life ClickTight All-in-OneHighest rear-facing limit
  2. 2Baby Trend Cover Me 4-in-1Highest forward-facing limit
  3. 3Chicco Fit3x ClearTex Ultra-Slim All-in-OneNarrowest
  4. 4Maxi-Cosi Pria All-in-OneLightest · not on the chart: no published width
All 31 on the chart, cheapest first
  1. Safety 1st Crosstown All-in-One19.5 in · $129.99
  2. Baby Trend Journey 4-in-118.3 in · $149.99
  3. Baby Trend Cover Me 4-in-118.5 in · $169.99
  4. Graco TriRide 3-in-119 in · $199.99
  5. Graco Grows4Me 4-in-121.5 in · $229.99
  6. Graco SlimFit 3-in-119.9 in · $229.99
  7. Chicco Fit3x ClearTex Ultra-Slim All-in-One16.7 in · $229.99
  8. Joie saffron SI 4-in-119 in · $249.99
  9. Evenflo All4Stages Slim Plus Canopy 4-in-116.9 in · $259.99
  10. Diono Radian 3R SafePlus17 in · $259.99
  11. Graco Extend2Fit 3-in-119 in · $269.99
  12. Evenflo Symphony Extend Breeze 3-in-118.5 in · $279.99
  13. Graco SlimFit3 LX16.7 in · $299.99
  14. Graco 4Ever DLX 4-in-121.5 in · $319.99
  15. Chicco OneFit LX ClearTex All-in-One19 in · $329.99
  16. Evenflo Revolve360 Rotating All-In-One19.8 in · $349.99
  17. Graco 4Ever DLX Slim 4-in-118.9 in · $369.99
  18. Chicco OneFit Max ClearTex19.5 in · $379.99
  19. Joie matcha spin SI18.8 in · $399.99
  20. Graco Turn2Me 3-in-119.1 in · $399.99
  21. Graco 4Ever DLX Grad 5-in-118 in · $429.99
  22. Britax One4Life ClickTight All-in-One19.5 in · $439.99
  23. Britax One4Life Slim17.5 in · $449.99
  24. Joie Pepper Spin SI Rotating 4-in-119.2 in · $449.99
  25. Evenflo Revolve360 Extend19.8 in · $469.99
  26. Peg Perego Primo Viaggio All in One18.9 in · $499.99
  27. Cybex Callisto G 360 Select19.5 in · $649.95
  28. Cybex Callisto G 36019.5 in · $699.95
  29. Nuna EXEC next17.4 in · $720
  30. Römer Nexa All-in-One17.5 in · $749.99
  31. Cybex Callisto T 36019.5 in · $799.95

Too close to label: a Evenflo All4Stages Slim Plus Canopy 4-in-1b Graco Extend2Fit 3-in-1c Graco SlimFit3 LXd Joie Pepper Spin SI Rotating 4-in-1

What to look for in all-in-one car seats

The range across every car seat here, with the typical middle half shaded and the shortlist marked.

Expiration

Years from the date of manufacture until the maker says to stop using the seat.

9 yearsmiddle 10 years12 years

Most list 10 years. 63 of 70 list it.

Rear-facing limit

The maker's rear-facing weight limit.

One4Life ClickTight All-in-One
40 lbmiddle 40 lb50 lb

Most list 40 lb. 70 of 70 list it. Highest rear-facing limit: One4Life ClickTight All-in-One.

Width

Matters for fitting three across or a tight back seat.

Fit3x ClearTex Ultra-Slim All-in-One
16.7 inmiddle 19 in21.5 in

Typical: 18 in to 19.5 in. 37 of 70 list it. Narrowest: Fit3x ClearTex Ultra-Slim All-in-One.

Weight

You feel this every time you lift it into a trunk, up stairs, or onto a bus.

Pria All-in-One
12.2 lbmiddle 25.5 lb35 lb

Typical: 20 lb to 29.3 lb. 41 of 70 list it. Lightest: Pria All-in-One.

Price

What it lists for at the maker or a major store. Sales move this often.

$99middle $319.99$799.95

Typical: $229.99 to $399.99. 58 of 70 list it.

Shop by what matters

From NHTSA

From NHTSA: "Your child under age 1 should always ride in a rear-facing car seat." Stay rear-facing "until he or she reaches the top height or weight limit allowed by your car seat's manufacturer." (NHTSA) Find a certified Child Passenger Safety Technician through NHTSA. Check the label and the maker's instructions, and ask your pediatrician about your child.

Ask the meadow

Questions about all-in-one car seats

Answers come from each maker's published specs. Safety and health questions link to the agency or medical source.

Are expensive all-in-one car seats worth it?

Every all-in-one seat sold in the US must meet the same federal crash standard (FMVSS 213); price buys features and materials. Among the 58 with a list price, 37% of the priciest third have an anti-rebound bar, versus 0% of the cheapest third; 53% of the priciest third have rotation, versus 0% of the cheapest third; 53% of the priciest third have no added flame retardants, versus 11% of the cheapest third. The cheapest third lists under $250.

What's the cheapest all-in-one seat that rear-faces to 50 lb?

The Diono Radian 3R SafePlus at $259.99 list, rear-facing to 50 lb. 13 seats here reach 50 lb or more. See extended rear-facing seats.

Can you skip the infant seat and use a convertible from birth?

Yes, if the seat's minimum fits your baby: 68 of the 68 convertible and all-in-one seats we track list a minimum of 5 lb or less. Check the maker's minimum weight and height, the newborn insert and the harness height in the manual. Check the label and the maker's instructions, and ask your pediatrician about your child.

Which all-in-one car seats are made without added flame retardants?

17 of the 70 we track say so, per each maker. The lowest list price is the Chicco Fit3x ClearTex Ultra-Slim All-in-One at $229.99. They still meet the federal flammability standard for vehicle interiors (FMVSS 302).

How long do all-in-one car seats last before they expire?

Between 9 and 12 years from the manufacture date, for the 63 that publish one. The longest is the Peg Perego Primo Viaggio All in One at 12 years. The date of manufacture is on the seat's label; try the expiration calculator.

Do I need a new car seat after an accident?

After a crash, follow your seat's manual and NHTSA's guidance. Check the label and the maker's instructions, and ask your pediatrician about your child.

Still wondering? Write to us at hello@cribpicks.com and we'll look it up.

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