Lightest Infant Car Seat 2025. Parents love the simplistic look and leatherette accents on the pipa infant car seat by nuna [they are beautiful car seats!] and it’s also one of the lightest car seats on the market at just 7.9lbs! New to the market (but already our best of the bump winner for best rotating infant car seat), the maxi cosi peri 180 rotating infant car seat weighs under nine pounds without its base, and the brand claims that it’s the.

The best infant car seat is the chicco keyfit 35 infant car seat, according to. The century carry on and base together come in at just over 10lbs.