Graco Nautilus 2.0 LX ft. InRight LATCH 3-in-1 vs Harmony Defender 360° 3-in-1 Deluxe

Side-by-side specs from each maker.

Only the differences are shown.

Graco Nautilus 2.0 LX ft. InRight LATCH 3-in-1Harmony Defender 360° 3-in-1 Deluxe
TypeHarness-to-boosterHarness-to-booster
Forward-facing weight26.5–65 lb26.5–65 lb
Forward-facing heightNot listed27–57 in
Booster weight40–120 lb40–120 lb
Booster heightNot listed34–57 in
Seat weight17.4 lbNot listed
Width19.4 inNot listed
Head ruleNot listedHarness mode: ears must be below the top of the headrest at its maximum height
InstallationNot listedUAS (lower anchors), children up to 50 lb, vehicle lap-and-shoulder belt, vehicle lap-only belt, top tether with harness
Load legNoNot listed
Anti-rebound barNoNot listed
RotatesNoNot listed
Harness heights10Not listed
Recline positions4Not listed
Expires afterNot listed10 years

Graco Nautilus 2.0 LX ft. InRight LATCH 3-in-1

    Harmony Defender 360° 3-in-1 Deluxe

    Harmony forward-facing 3-in-1 seat that converts from a harness seat to a high-back and then backless booster.

    • Maker states forward-facing use with harness and two booster modes
    • Manual covers lower-anchor use up to 50 lb
    • Manual gives no seat weight or dimensions