Peg Perego Primo Viaggio 4-35 Lounge

The Peg Perego Primo Viaggio 4-35 Lounge rear-faces up to 35 lb and has an expiration of 7 years, per Peg Perego.

Previous generationA newer version is out. Some stores still sell this one new. Replaced by Peg Perego Primo Viaggio Lounge.

  • 35 lbRear-facing to

When does it expire?

Follow Peg Perego

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Primo Viaggio 4-35 Lounge: key facts

  • The Peg Perego Primo Viaggio 4-35 Lounge rear-faces from 4 to 35 lb and up to 32 in tall, per Peg Perego.
  • Outgrown by height: "The top of the child head should not exceed the top of the seat back by at least one inch (2,5 cm)"
  • It installs with LATCH (with base), vehicle belt (with base) or lap-shoulder belt (without base, European belt path).
  • Peg Perego says it expires 7 years after the date of manufacture.
  • Peg Perego lists it as certified for aircraft ("This unit is certified for aircraft use.").

From Peg Perego's manual and published specs. Always follow the limits on your seat's labels.

How the Primo Viaggio 4-35 Lounge stacks up

Against the 74 infant car seats we track. The shaded band is where the middle half of them fall; the dot is this one.

Expiration7 years

Within the typical range for infant car seats (6 years to 8 years).

This one
6 yearsmiddle 7 years10 years
Rear-facing limit35 lbHighest rear-facing limit of 73 infant car seats

Above the 30 lb most infant car seats list.

This one
22 lbmiddle 30 lb35 lb

Primo Viaggio 4-35 Lounge: generations

From each maker's published specs.

What sets the Primo Viaggio 4-35 Lounge apart

Measured against the 74 infant car seats we compare, from each maker's published specs.

  • Highest rear-facing limitof the 73 infant car seats with it published: 35 lb

Next to its closest matches

Strollers named with the Primo Viaggio 4-35 Lounge

3 strollers on Cribpicks are named with the Primo Viaggio 4-35 Lounge in a maker's fit list. Listed stroller fit: Peg Perego strollers: YPSI, Z4, Vivace, Veloce, Selfie, Selfie Plus, City Loop, Booklet 50 (maker product page).

StrollerHow it is listed
Peg Perego VeloceNamed by Peg Perego
Peg Perego VivaceNamed by Peg Perego
Peg Perego YPSINamed by Peg Perego

Matched by brand and model name. Fit can depend on the model year, so check yours with both makers.

Flying with the Primo Viaggio 4-35 Lounge

Peg Perego's label: “This unit is certified for aircraft use.”

What airlines say about car seats:

  • American: “Each ticketed customer is allowed 1 stroller and 1 car seat to be checked free of charge” “If an unoccupied, adjoining seat is not available, the gate agent will check the safety seat to your final destination.” Source
  • Alaska: “We will transport your child's car seat and stroller free of charge as checked baggage.” Source
  • JetBlue: “Checking a child safety seat will not count towards your checked baggage allowance and there is no fee assessed” Source
  • Spirit: “One (1) car seat will be accepted per child as checked baggage at no charge.” Source
  • Frontier: “strollers and car seats can be checked for free.” Source
  • Allegiant: “There is no charge for checking or gate checking one car seat per fare-paying passenger.” Source
  • Breeze: “Child seats may be carried on board the aircraft if a seat has been purchased for the Infant or Child” Source

Quoted from each airline's page as of 2026-11-02.

Where to buy the Primo Viaggio 4-35 Lounge

Prices and availability change. We may earn a commission from some links.

good to know
  • Previous generation, still sold by some retailers. Check whether a newer version replaced it.
  • Check for recalls: Search the agency's recall list with the model number and date code from the label: NHTSA recall search.
  • Car seat use and installation: see NHTSA's car seat page, which also lists free car seat inspection by certified technicians. Check the label and the maker's instructions, and ask your pediatrician about your child.

Full specs

Peg Perego Primo Viaggio 4-35 Lounge
TypeInfant car seat
Rear-facing weight4–35 lb
Rear-facing heightUp to 32 in
Head ruleThe top of the child head should not exceed the top of the seat back by at least one inch (2,5 cm)
Base includedYes
Newborn insertDual Stage Cushion System: may be used from birth up to about 8 pounds (3,6 kg) or when the torso of your baby fully occupies the space between the crotch strap and the shoulder slots.
InstallationLATCH (with base), vehicle belt (with base), lap-shoulder belt (without base, European belt path)
Load legYes
RotatesNo
Works with strollersPeg Perego strollers: YPSI, Z4, Vivace, Veloce, Selfie, Selfie Plus, City Loop, Booklet 50 (maker product page)
Stroller adaptersPV Adapter/Links Uppababy ($49.99), PV Adapter/Links Universal ($49.99); PV Adapter/Links Peg Perego ($19.99) for Peg Perego chassis
Aircraft labelCertified for aircraft, per the maker
No added flame retardantsYes
Expires after7 years

Compare the Primo Viaggio 4-35 Lounge with

How each closest rival differs from the Primo Viaggio 4-35 Lounge, from the makers' specs.

Ask the meadow

Primo Viaggio 4-35 Lounge: questions answered

From Peg Perego's published specs, last checked 2026-11-06.

Does the Peg Perego Primo Viaggio 4-35 Lounge rear-face longer than other infant seats?

Yes. Its 35 lb rear-facing limit is the highest of the 97 infant seats we track, tied with 22.

Can you use the Peg Perego Primo Viaggio 4-35 Lounge in a taxi or Uber without the base?

Yes. Peg Perego lists a baseless install with the vehicle belt; see the manual for the belt routing.

Can you bring the Peg Perego Primo Viaggio 4-35 Lounge on a plane?

Yes, Peg Perego lists it as certified for aircraft; look for the red-lettered label that says so. The FAA asks that a car seat go in a window seat so it doesn't block the aisle, and the crew will look for that label.

Primo Viaggio 4-35 Lounge or SnugRide SnugFit 35: what's different?

By the makers' specs, the Primo Viaggio 4-35 Lounge has a load leg; the Primo Viaggio 4-35 Lounge has no added flame retardants (maker's claim). See every spec side by side.

Is it OK to buy a used Primo Viaggio 4-35 Lounge?

NHTSA publishes guidance on used car seats on its car seat page. Peg Perego lists a lifespan of 7 years from manufacture for this model. 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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