Britax Marathon ClickTight vs Chicco KeyFit 35 Infant
Head-to-head in best car seats, scored on our six-axis safety-first system.
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Our pick
Car Seats
Britax Marathon ClickTightrobincove.Britax Marathon ClickTight
9.3/10$249–$290
Who wins each category
9.6Safety9.6
9.5Ease of use✓ 9.6
8.8Value✓ 9.0
9.0 ✓Durability8.8
8.8 ✓Comfort8.6
8.2 ✓Features7.8
Our pick
Car Seats
Britax Marathon ClickTightrobincove.Britax Marathon ClickTight
$249–$290
Car Seats
Chicco KeyFit 35 Infantrobincove.Chicco KeyFit 35 Infant
$199–$250
Safety
9.6
9.6
Ease of use
9.5
9.6
Value
8.8
9.0
Durability
9.0
8.8
Comfort
8.8
8.6
Features
8.2
7.8
Key specs
Rear-facing weight range
—
4–35 lbs
Height limit
—
32 in
Carrier weight
—
10 lbs
Want more options? See our full ranking of best car seats.