Our Best Picks:
20 Top Narrow Convertible Car Seat Reviews:
Bestseller No. 1 
Graco SlimFit 3 in 1 Car Seat -Slim & Comfy Design Saves Space in Your Back Seat, Darcie, One Size
- 3-in-1 car seat grows with your child from rear-facing harness (5-40 pounds) to forward-facing harness (22-65 pounds) to highback booster (40-100 pounds)
- Slim design with dual integrated cup holders that rotate away, making the seat 10% slimmer to save valuable back seat space
- Graco ProtectPlus Engineered: A combination of the most rigorous crash tests that helps to protect your little one in frontal, side, rear and rollover crashes
- No-rethread simply safe adjust harness system allows the headrest and harness to adjust together in one motion
- Choose the perfect headrest height from 10 positions to get the safest fit for your child as they grow
SaleBestseller No. 2 
Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Pink Blossom
- REAR-FACING FOR LONGER - Designed and engineered to keep your child rear facing even longer up to 50 lb / 22.7 kg, approx. 4 years old
- 10 YEARS ONE CAR SEAT - With 4 ways to travel from birth to booster, the Radian 3R adapts as your child grows to offer a custom fit from birth up to 120 lb / 54 kg
- STEEL CORE - Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect
- THE ORIGINAL RADIAN 3 ACROSS - Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat
Bestseller No. 3 
Graco Contender Slim Convertible Car Seat, West Point
- Convertible car seat grows with your child from rear-facing harness (5-40 lb) to forward-facing harness (22-65 lb)
- Slim car seat design saves space in your back seat
- Compact and lightweight to easily transfer from car to car
- Travel car seat is certified for aircraft use to help keep your child safe while flying
- Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your child in frontal, side, rear & rollover crashes
Bestseller No. 4 
Graco 4Ever DLX 4 in 1 Car Seat, Infant to Toddler Car Seat, with 10 Years of Use, Fairmont , 20x21.5x24 Inch (Pack of 1)
- 4 in 1 car seat gives you 10 years of use: seamlessly transforms from rear facing harness car seat (4 40 pounds), to forward facing harness car seat (22 65 pounds), to high back belt positioning booster (40 100 pounds), to backless belt positioning booster (40 120 pounds)
- Graco protect Plus engineered helps to protect Your little one in frontal, side, rear and rollover crashes
- Simply safe adjust harness system adjusts the height of your harness and headrest to 10 positions in one motion to ensure that Your child is always properly secured.Do not use bleach
- 6 position recline helps keep your growing child comfy on Your many journeys together
- The Graco exclusive In right Latch attachment provides an easy, one second attachment with an audible click to help ensure secure installation
Bestseller No. 5 
Cosco Mighty Fit 65 DX Convertible Car Seat (Heather Onyx Gray)
- With 2 modes of use, this extra comfortable LATCH equipped Cosco car seat accommodates infants from 5 pounds up to toddlers weighing 40 pounds in rear facing mode and kids up to 65 pounds in forward facing mode. Its compact design also makes it easier to manage through airport security checks
- The 5 point harness adjusts easily from the front of the seat and features 5 heights and 3 buckle locations
- Built in side impact protection keeps your little 1 extra secure; Designed to be just the right size, the seat takes up less space while rear facing so parents can have more leg room
- Three of these seats can fit side by side in the back seat of most cars, perfect for growing families
- With plush padding and premium fabric, this seat gives your child an extra comfy ride; Easy to clean, the fabric car seat cover is machine washable and dryer safe
SaleBestseller No. 6 
Diono Radian 3QX 4-in-1 Rear & Forward Facing Convertible Car Seat, Safe+ Engineering 3 Stage Infant Protection, 10 Years 1 Car Seat, Ultimate Protection, Slim Fit 3 Across, Red Cherry
- NEXT GENERATION RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the Radian 3QX adapts as your child grows for 10 years of use (4 - 120 lb / 1.8 - 54 kg)
- 3-IN-1 REAR FACING PROTECTION - Designed for safe rear-facing travel from 4 - 50 lb (1.8 - 22.7 kg) complete with Safe+ inserts and Safe+ steel anti-rebound bar to reduce rebound rotation by 50%
- SAFE+ ENGINEERING - Tested Radian all-in-one convertible car seat; featuring Safe+ steel rear-facing anti-rebound bar, steel reinforced frame, advanced side impact protection and Diono SuperLATCH attachment
- ONE HAND EASY ADJUST 12 POSITION HEADREST - Contoured to improve child head containment and provides a 22% increase in occupancy range from the Radian R series
- THE ORIGINAL RADIAN 3 ACROSS - Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat
SaleBestseller No. 7 
Graco Tranzitions 3 in 1 Harness Booster Seat, Proof
- 3-in-1 harness booster helps protect your child, from toddler to youth
- Grows with your child from forward-facing harness (22-65 pounds) to highback booster (40-100 pounds) to backless booster (40-100 pounds) to continue to meet industry standards, we have increased the weight minimum from 30 to 40 pounds
- No-rethread simply safe adjust harness system allows the headrest and harness to adjust together in one motion.Do not use bleach
- Lightweight, portable seat is ideal for busy, active parents
- One-hand, 8-position adjustable headrest grows with your child
SaleBestseller No. 8 
Cosco Finale Dx 2-In-1 Combination Booster Car Seat, Sport Blue, 1 Count (Pack of 1)
- Extended Use: Forward-facing with harness 30-65 pounds and Belt-positioning Booster 40-100 pounds
- Designed to fit 3 across in most vehicles - Great for growing families and car pools
- Lightweight and easy to move from car to car
- Deluxe fabric gives kids a comfy ride
- Dishwasher-safe cup holder detaches for use on either side of seat
Bestseller No. 9 
Century Boost On 2-in-1 Booster, Splash
- 2-in-1 BOOSTER SEAT: For big kids 40-120 lb, it transforms from highback to backless booster, because growing up happens
- HAPPY PLANET COLLECTION: Fabrics made with recycled materials as part of our Do More promise to Recycle, Reimagine, and Give Back
- SLIM AND LIGHTWEIGHT DESIGN: This space savior is easy to move from car to car
- 6-POSITION, 1-HAND ADJUST HEADREST: Keep 'em comfy every step of the way
- ON-THE-GO H2O: 2 cup holders keep their water bottle and all-important after-school snack within arm's reach
SaleBestseller No. 10 
Diono Radian 3QXT 4-in-1 Rear and Forward Facing Convertible Car Seat, Safe Plus Engineering, 4 Stage Infant Protection, 10 Years 1 Car Seat, Slim Fit 3 Across, Red Cherry
- THE ULTIMATE RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the Radian 3QXT adapts as your child grows for 10 years of use (4 - 120 lb 1.8 - 54 kg)
- 4-IN-1 NEWBORN PROTECTION - Designed for safe rear facing travel from 4 - 50 lb 1.8 - 22.7 kg complete with Safe plus inserts and Safe plus steel anti-rebound bar to reduce rebound rotation by 50percent
- SAFE plus ENGINEERING - Our most rigorously tested Radian all-in-one convertible car seat; featuring Safe plus steel rear facing anti-rebound bar, steel reinforced frame, advanced side impact protection and diono SuperLATCH attachment
- ONE HAND EASY ADJUST 12 POSITION HEADREST - Contoured to improve child head containment and provides a 22percent increase in occupancy range from the radian R series
- THE ORIGINAL RADIAN 3 ACROSS - Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat
Bestseller No. 11 
Britax Emblem 3-Stage Convertible Car Seat, Slate Safewash , 21x18.25x26 Inch (Pack of 1)
- 3-Stage convertible car seat: easily transitions from rear-facing mode to forward-facing mode as your child grows from baby to toddler
- Safe wash cover: safe to machine wash and dry, with a knit construction that's naturally flame retardant
- Britax USA USA safety: steel frame and Crumple zone; patented V-shaped tether helps slow forward movement
- Full body protection: 2 layers of side impact protection surround your child's head, neck and torso
- Easy installation: quick-push latch connectors; built-in locks-offs for simple seat belt installation
Bestseller No. 12 
Graco TriRide 3 in 1 Car Seat | 3 Modes of Use from Rear Facing to Highback Booster Car Seat, Clybourne
- 3-in-1 car seat grows with your child from rear-facing harness (5-40 lb) to forward-facing harness (22-65 lb) to highback booster (40-100 lb)
- Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that help to protect your child in frontal, side, rear & rollover crashes
- No-Rethread Simply Safe Adjust Harness System allows the headrest and harness to adjust together in one motion
- Choose the perfect headrest height from 10 positions to get the safest fit for your growing child
- 6-position recline keeps your child comfy and helps for a better installation
Bestseller No. 13 
Diono Radian 3RXT, 4-in-1 Convertible Car Seat, Rear and Forward Facing, Steel Core, 10 Years 1 Car Seat, Ultimate Safety and Protection, Slim Fit 3 Across, Black Jet
- AWARD WINNING RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the radian 3RXT adapts as your child grows for 10 years of use (2.2 - 54 kg / 5 - 120 lb)
- REAR FACING FOR LONGER - Designed for safe rear facing travel from 5 50 lb / 2.3 - 22.7 kg complete with newborn travel high wedge to protect as they grow from baby, infant to toddler
- ONE HAND EASY ADJUST 12 POSITION HEADREST - Creates a safe and comfortable fit for rear facing, forward facing and booster seat modes
- STEEL REINFORCED FRAME - Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect
- THE ORIGINAL RADIAN 3 ACROSS - Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat
Bestseller No. 14 
Chicco NextFit Max ClearTex Convertible Car Seat| Rear-Facing Seat for Infants 12-40 lbs. | Forward-Facing Toddler Car Seat 25-65 lbs. | Baby Travel Gear | Cove/Grey
- BUILT TO GROW — NextFit Max ClearTex offers 25% more legroom compared to other NextFit car seats and a 50 lb. weight limit maximizes time in rear-facing position; forward-facing mode accommodates older children (up to 65 lbs.) with more calf support.
- NO ADDED CHEMICALS — From textiles to tags, gentle ClearTex fabric features no added chemicals; GREENGUARD Gold Certified for low chemical emissions contributes to healthier air quality around baby.
- EASIEST TO INSTALL CORRECTLY — Designed to deliver a secure install with premium LATCH connectors, SuperCinch force-multiplying tightener, RideRightTM bubbles levels and a 9-position leveling system.
- HEAD AND TORSO PROTECTION — Superior DuoGuard with deep rigid shell for head and body support, EPS energy-absorbing foam and steel-reinforced frame offer reassuring protection. A padded no-rethread 5-point harness accommodates infant, toddler and beyond.
- SMOOTH TRANSITIONS — Convertible car seat easily transitions from vehicle to vehicle or between modes due to premium LATCH connectors with click-on attachment and push-button release.
Bestseller No. 15 
Evenflo EveryFit 4-in-1 Convertible Car Seat
- The Evenflo Every fit 4-in-1 car seat has been engineered for maximum comfort, safety, and longevity. It accommodates your child by adjusting to multiple positions, allowing kids to ride rear-facing beyond 2 years of age-without extending the seat.
- Safety is a priority: The every fit meets or exceeds all applicable federal safety standards and Evenflo Side Impact standard, with advanced Side Impact protection that reduces crash forces up to 30%. and, Installation is easy
- Comfort: Innovative air flow Mesh fabrics are designed to keep your child cool. Angles your child comfortably to minimize head slump with 3 rear-facing recline positions and 1 forward-facing recline position.Do not use abrasive cleaners or solvents
- Proper fit: The 1-hand, 12-position headrest and easy to slide no-rethread harness straps can adjust as your child grows without uninstalling the car seat.
- Convenience: Machine-washable fabrics are easy to remove for cleaning. Dual integrated cup holders removable snack tray to put drinks and snacks within arm's reach.
Bestseller No. 16 
Evenflo Gold Revolve360 Rotational All-in-1 Convertible Car Seat, Swivel Car Seat, Rotating Car Seat for All Ages, Swivel Baby Car Seat Mode Changing 4-120LB Car Seat and Booster Car Seat
- BOLD MOVES: Innovative rotating car seat makes it easier than ever to get your child in and out of the car—no matter what kind of vehicle you have
- 360 DEGREES OF EASE: Install the Revolve360 once and you’re done—the Sure360 Safety Installation System with LockStrong and Tether360 keeps it safe, secure and simple
- GROW WITH GOLD: Offers 10 years of use and 3 modes—Rear Facing (4 – 40 lb), Forward Facing (22 – 65 lb), and Booster (40 – 120 lb)
- ON-THE-GO RECLINE: Easily adjust your child’s seat for maximum comfort, without having to reinstall the seat or bother your baby
SaleBestseller No. 17 
Maxi-Cosi Pria Max All-in-One Convertible Car Seat, rear-facing, from 4-40 pounds; forward-facing to 65 pounds; and up to 100 pounds in booster mode, Nomad Black
- 3-In-1 convertible car seat: rear-facing, from 4-40 pounds; forward-facing to 65 pounds; and up to 100 pounds in Booster mode
- Side Impact protection technology with GCell protects your child's head where it's needed most in a side impact crash
- Clipquik auto-magnetic chest clip gets you on your way quickly
- Out-of-the-way spring assisted harness covers for easy boarding
- Flip away buckle won't get in the way while getting in and out of the convertible car seat
SaleBestseller No. 18 
Baby Trend Trooper 3-in-1 Convertible Car Seat, Moondust (CV01C87B)
- 3 modes of use: rear facing infant mode (4-18lbs), rear facing toddler mode (18-40lbs), and forward facing toddler mode (22-65lbs)
- Immediate right installation angle: rear-facing recline flip foot allows for great installation angles with ease; The built-in bubble level indicator helps find the correct angle
- Fits three across: at its widest, the Trooper is 16.75" Allowing it to fit 3 ACROSS in most vehicle
- Shoulder & crotch buckle adjustment: 5-position shoulder height adjustment and 3- position crotch buckle for seat adjustment
- Safe with head protection: super deep side wings for better side impact protection
SaleBestseller No. 19 
Baby Trend Cover Me 4 in 1 Convertible Car Seat, Vespa , 18.25 Inch (Pack of 1)
- Integrated Adjustable Canopy for UV Protection: Integrated height and angle adjustable canopy for in-car UV protection. Flip-out side visors provide additional shade protection for either side of the car seat.
- 4-in-1 Seating System: Built for extended use including 1) Rear Facing Infant mode from 4 to 18lbs 2) Rear Facing Toddler mode from 18 to 40lbs 3) Forward Facing with Harness mode from 22 to 65 lbs 4) Belt Positioning Booster mode from 40 to 100lbs
- Comfort & Convenience for Kiddos: Child can quickly adjust the canopy when car is in motion and sun is coming from multiple directions. The CoverMe's exclusive Comfort Cabin offers extra padding to keep child comfortable on long rides.
- Includes an integrated headrest with no rethread harness. Three positions recline that allows front seat passengers to have extra legroom, while an integrated recline flip foot offers dual adjustment and gives the right angle with ease.
- Fits Three Across in Most Vehicles: At its widest. the Baby Trend CoverMe 4-in-1 Convertible Car Seat is 18.25", which allows it to fit three children across in most vehicles.
Bestseller No. 20 
Safety 1st Grow and Go Extend 'n Ride LX Convertible Car Seat, with ComfortPlus Footrest Providing Up to 7 Inches of Additional Leg Room in -Rear-Facing Mode, Seas The Day
- The car seat built to grow for extended use through 3 stages: rear-facing 5-40 lbs., forward-facing 22-65 lbs., and belt-positioning booster 40-100 lbs.
- ComfortPlus footrest works in all 3 positions: rear-facing, forward-facing and big kid.
- ComfortPlus footrest provides up to 7 inches of additional leg room in rear-facing mode, allowing kids to ride more comfortably up to the max rear-facing limit
- For toddlers, sitting forward-facing, the ComfortPlus footrest helps kids sit more comfortably and supports shorter, dangling legs
- For big kids, ComfortPlus lowers down to act as a comfortable footrest
Last update on 2023-01-12 / Affiliate links / Images from Amazon Product Advertising API