The Roost

Best Sedans for Child Seats by Rear Legroom in 2021

The sedans with the most rear legroom for car seat installation in 2021.

Not everyone wants an SUV. These 15 sedans from 2021 have the most rear seat space for child car seats.

Segment Average 35.6" 174 sedans from 2021
#1
2021 Audi A8 L
44.3" Rear Seat Length

Powered by a 3.0L v6 turbocharged producing 335 horsepower and 369 lb-ft of torque. It takes the top spot with the highest rear seat length of 44.3" — well above the segment average of 35.6". That's better than 99% of sedans.

335 hp 369 lb-ft 5.6s 0-60 22 mpg $88,900 AWD
Also available as: Premium Gasoline · 4.0L V8 Twin-Turbo · AWD · 453 hp · 44.3" rear seat length
Full specs →
#2
2021 Audi A8
44.3" Rear Seat Length

Powered by a 4.0L v8 twin-turbo producing 453 horsepower and 487 lb-ft of torque. It delivers 44.3" rear seat length. That's better than 99% of sedans.

453 hp 487 lb-ft 4.3s 0-60 20 mpg $114,200 AWD
Also available as: Mild Hybrid, Premium Gasoline · 3.0L V6 Turbocharged · AWD · 335 hp · 44.3" rear seat length
Full specs →
#3
2021 Audi S8
44.3" Rear Seat Length

Powered by a 4.0L v8 twin-turbo producing 563 horsepower and 590 lb-ft of torque. It delivers 44.3" rear seat length. That's better than 98% of sedans.

563 hp 590 lb-ft 3.8s 0-60 16 mpg $118,600 AWD
Full specs →
#4
2021 Mercedes-Benz S-Class AMG S63 4MATIC+ Sedan
44.0" Rear Seat Length

Powered by a 4.0L twin-turbo v8 producing 603 horsepower and 664 lb-ft of torque. Rear seat length: 44.0" — 0.3" less than the #3 spot. That's better than 98% of sedans.

603 hp 664 lb-ft 3.4s 0-60 20 mpg $109,800 AWD
Also available as: Mild Hybrid, Premium Gasoline · 3.0L Turbo I6 · AWD · 429 hp · 44.0" rear seat length Mild Hybrid, Premium Gasoline · 4.0L Twin-Turbo V8 · AWD · 496 hp · 44.0" rear seat length Mild Hybrid, Premium Gasoline · 4.0L Twin-Turbo V8 · AWD · 496 hp · 44.0" rear seat length
Full specs →
#5
2021 Honda Accord Touring, Sport
40.4" Rear Seat Length

Powered by a 2.0L turbo inline-4 producing 252 horsepower and 273 lb-ft of torque. Rear seat length: 40.4" — 3.6" less than the #4 spot. That's better than 97% of sedans.

252 hp 273 lb-ft 5.5s 0-60 26 mpg $31,680 FWD
Also available as: Regular Gasoline · 1.5 L Turbo I4 · FWD · 192 hp · 40.4" rear seat length
Full specs →
#6
2021 Volkswagen Arteon SEL R-Line 4Motion, SEL Premium R-Line 4Motion
40.2" Rear Seat Length

Powered by a 2.0L turbo inline-4 producing 268 horsepower and 258 lb-ft of torque. Rear seat length: 40.2" — 0.2" less than the #5 spot. That's better than 97% of sedans.

268 hp 258 lb-ft 6.1s 0-60 24 mpg $36,140 AWD
Also available as: Regular Gasoline · 2.0L Turbo I4 · FWD · 268 hp · 40.2" rear seat length
Full specs →
#7
2021 Chrysler 300 Touring, S
40.1" Rear Seat Length

Powered by a 3.6L v6 producing 300 horsepower and 264 lb-ft of torque. Rear seat length: 40.1" — 0.1" less than the #6 spot. That's better than 96% of sedans.

300 hp 264 lb-ft 6.8s 0-60 15 mpg $31,540 RWD
Also available as: Premium Gasoline · 3.6 L V6 · RWD · 300 hp · 40.1" rear seat length
Full specs →
#8
2021 Maserati Quattroporte Trofeo
40.0" Rear Seat Length

Powered by a 3.8L twin-turbo v8 producing 580 horsepower and 538 lb-ft of torque. Rear seat length: 40.0" — 0.1" less than the #7 spot. That's better than 95% of sedans.

580 hp 538 lb-ft 4s 0-60 16 mpg $109,980 RWD
Full specs →
#9
2021 Subaru Legacy Limited XT, Touring XT
39.5" Rear Seat Length

Powered by a 2.4L turbocharged h4 producing 260 horsepower and 277 lb-ft of torque. Rear seat length: 39.5" — 0.5" less than the #8 spot. That's better than 95% of sedans.

260 hp 277 lb-ft 6.1s 0-60 27 mpg $22,745 AWD
Also available as: Regular Gasoline · 2.5L H4 · AWD · 182 hp · 39.5" rear seat length
Full specs →
#10
2021 Lexus ES 250 Base, Luxury, F Sport
39.2" Rear Seat Length

Powered by a 2.5L inline-4 producing 203 horsepower and 184 lb-ft of torque. Rear seat length: 39.2" — 0.3" less than the #9 spot. That's better than 94% of sedans.

203 hp 184 lb-ft 8.1s 0-60 28 mpg $40,000 AWD
Full specs →
#11
2021 Mazda Mazda6 Carbon Edition, Grand Touring Reserve
38.7" Rear Seat Length

Powered by a 2.5L turbo inline-4 producing 250 horsepower and 320 lb-ft of torque. Rear seat length: 38.7" — 0.5" less than the #10 spot. That's better than 94% of sedans.

250 hp 320 lb-ft 6.1s 0-60 26 mpg $24,325 FWD
Also available as: Regular Gasoline · 2.5 L I4 · FWD · 187 hp · 38.7" rear seat length
Full specs →
#12
2021 Genesis G80 2.5T
38.7" Rear Seat Length

Powered by a 2.5L turbo inline-4 producing 300 horsepower and 311 lb-ft of torque. It delivers 38.7" rear seat length. That's better than 93% of sedans.

300 hp 311 lb-ft 5.7s 0-60 26 mpg $47,700 RWD
Also available as: Premium Gasoline Recommended · 2.5 L Turbo I4 · AWD · 300 hp · 38.7" rear seat length Premium Gasoline Required · 3.5 L Twin-Turbo V6 · AWD · 375 hp · 38.7" rear seat length
Full specs →
#13
2021 Toyota Camry Hybrid LE
38.0" Rear Seat Length

Powered by a 2.5L inline-4 producing 208 horsepower and 163 lb-ft of torque. Rear seat length: 38.0" — 0.7" less than the #12 spot. That's better than 93% of sedans.

208 hp 163 lb-ft 7.9s 0-60 52 mpg $25,845 FWD
Also available as: Regular Gasoline · 2.5L I4 · FWD · 203 hp · 38.0" rear seat length Hybrid, Regular Gasoline · 2.5L I4 · FWD · 208 hp · 38.0" rear seat length Regular Gasoline · 2.5L I4 · AWD · 202 hp · 38.0" rear seat length Regular Gasoline · 3.5L V6 · FWD · 301 hp · 38.0" rear seat length
Full specs →
#14
2021 Hyundai Elantra Hybrid Blue, Limited
38.0" Rear Seat Length

Powered by a 1.6L inline-4 producing 139 horsepower and 195 lb-ft of torque. It delivers 38.0" rear seat length. That's better than 92% of sedans.

139 hp 195 lb-ft 8.7s 0-60 54 mpg $23,550 FWD
Full specs →
#15
2021 Hyundai Elantra SE, SEL, Limited
38.0" Rear Seat Length

Powered by a 2.0L inline-4 producing 147 horsepower and 132 lb-ft of torque. It delivers 38.0" rear seat length. That's better than 91% of sedans.

147 hp 132 lb-ft 8.4s 0-60 37 mpg $19,650 FWD
Also available as: Regular Gasoline · 1.6 L Turbo I4 · FWD · 201 hp · 38.0" rear seat length
Full specs →

Full Comparison: Best Sedans for Child Seats by Rear Legroom in 2021

# Sedan Rear Seat Length PriceHP
1 2021 Audi A8 L 44.3" $88,900335 hp
2 2021 Audi A8 44.3" $114,200453 hp
3 2021 Audi S8 44.3" $118,600563 hp
4 2021 Mercedes-Benz S-Class 44.0" $109,800603 hp
5 2021 Honda Accord 40.4" $31,680252 hp
6 2021 Volkswagen Arteon 40.2" $36,140268 hp
7 2021 Chrysler 300 40.1" $31,540300 hp
8 2021 Maserati Quattroporte 40.0" $109,980580 hp
9 2021 Subaru Legacy 39.5" $22,745260 hp
10 2021 Lexus ES 250 39.2" $40,000203 hp
11 2021 Mazda Mazda6 38.7" $24,325250 hp
12 2021 Genesis G80 38.7" $47,700300 hp
13 2021 Toyota Camry 38.0" $25,845208 hp
14 2021 Hyundai Elantra Hybrid 38.0" $23,550139 hp
15 2021 Hyundai Elantra 38.0" $19,650147 hp

The Bottom Line

The 2021 Audi A8 L takes the top spot with 44.3". The 2021 Audi A8 is a close second. All 15 sedans listed here exceed the 2021 segment average of 35.6".