● Car Seats · Review

Chicco KeyFit 35 Infant Car Seat

Fits from 4 pounds with the included insert, one of the lowest starting weights of any infant seat

✎ PickHonest Research Desk▦ Updated March 3, 2026◷ 3 min read

As an Amazon Associate I earn from qualifying purchases. Picks are based on manufacturer specs, independent reviews and owner reports.

Chicco KeyFit 35 Infant Car Seat
Top pick

Chicco KeyFit 35 Infant Car Seat

Chicco

Fits from 4 pounds with the included insert, one of the lowest starting weights of any infant seat

  • Fits infants 4 to 35 pounds
  • Removable infant head and body support insert
  • Stay-in-car base with load leg and level indicator
  • UPF 50+ full-coverage canopy
  • Compatible with most Chicco strollers for a travel system

Pros

  • Fits from 4 pounds with the included insert, one of the lowest starting weights of any infant seat
  • Consistently rated one of the easiest infant seats to install correctly on the first try
  • Detaches from the base to double as a carrier and click into compatible strollers

Cons

  • Height limit around 30 inches means many babies outgrow it before 35 pounds
  • Heavier carrier shell than some newer lightweight infant seats
  • Extra bases sold separately for a second car add to the total cost
Prices and availability change, so confirm on Amazon.View on Amazon

Appears in

Where the Chicco KeyFit 35 Infant Car Seat ranks

Best picksBest Car Seats for Newborns: Top Picks for Bringing Baby Home SafelyOur top pick for car seats for newborns is the Chicco KeyFit 35 Infant Car Seat (for newborns).Best picksBest Car Seats for Small Cars: Top Picks for Compact Back SeatsOur top pick for car seats for small cars is the Chicco KeyFit 35 Infant Car Seat (for small cars).Best picksBest Car Seats for Travel: Top Picks for Flying and Rental CarsOur top pick for car seats for travel is the Evenflo LiteMax 35 Infant Car Seat (for travel).Best picksBest Car Seats Under $300: Top Picks Across Infant and Convertible StylesOur top pick for car seats under $300 is the Graco 4Ever DLX 4-in-1 Car Seat (Covers newborn through booster years in a single seat, the widest span in this budget).troubleshootCar Seat Harness Not Tightening: Causes and FixesEverything you need to know about car seat harness not tightening: causes and fixes, explained plainly..troubleshootCar Seat Not Fitting in a Small Car: Causes and FixesEverything you need to know about car seat not fitting in a small car: causes and fixes, explained plainly..Buying guideCar Seats Buying Guide: What Actually Matters Before You BuyA practical buying guide to car seats covering seat types, weight limits, install systems, budget tiers, and the tradeoffs between convenience features and total cost..ComparisonChicco KeyFit 35 Infant Car vs Britax Boulevard ClickTight Convertible CarBoth made our Best Car Seats for Newborns shortlist, at #1 and #3.ComparisonChicco KeyFit 35 Infant Car Seat vs Evenflo LiteMax 35 Infant Car SeatBoth made our Best Car Seats for Newborns shortlist, at #1 and #2.ComparisonChicco KeyFit 35 Infant Car Seat vs Evenflo Sonus Convertible Car SeatBoth made our Best Car Seats for Small Cars shortlist, at #1 and #3.ComparisonGraco 4Ever DLX 4-in-1 Car Seat vs Chicco KeyFit 35 Infant Car SeatBoth made our Best Car Seats Under $300 shortlist, at #1 and #2.troubleshootHow to Choose a Car Seat: A Stage-by-Stage Decision GuideEverything you need to know about how to choose a car seat: a stage-by-stage decision guide, explained plainly..