Audi A8 / S8 Audi A8 / S8 2021 Mercedes-Benz GLS Mercedes-Benz GLS 2021

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Audi A8 / S8 (2021) vs. Mercedes-Benz GLS (2021) Specs

How powerful is the engine? How much room is in the back seat? Get the 2021 Audi A8 / S8 and 2021 Mercedes-Benz GLS specs.

2021 Audi A8 / S8 and 2021 Mercedes-Benz GLS Specifications

Model Year 2021 2021  
Model Audi A8 / S8 Mercedes-Benz GLS  
Engine turbocharged
4.0L V8 Hybrid
DOHC-4v
563 hp@6000
590 lb-ft@2000
turbocharged
4.0L V8 Hybrid
DOHC-4v
603 hp@5750
627 lb-ft@2500
 
Transmission 8-speed shiftable automatic 9-speed shiftable automatic  
Drivetrain AWD AWD  
Body 4dr Sedan, ext. 4dr SUV  
      Difference
Wheelbase 123.2 in 123.4 in -0.2 in
Length 208.7 in 205.0 in 3.7 in
Width 76.6 in 79.9 in -3.3 in
Height 58.6 in 71.8 in -13.2 in
Curb Weight 5302 lb. 5828 lb. -526 lb.
Fuel Capacity 21.7 gal. 23.8 gal. -2.1 gal.
Headroom, Row 1 38.3 in 39.4 in -1.1 in
Shoulder Room, Row 1 59.1 in 59.3 in -0.2 in
Legroom, Row 1 41.5 in 40.3 in 1.2 in
Headroom, Row 2 38.5 in 40.2 in -1.7 in
Shoulder Room, Row 2 57.6 in 58.5 in -0.9 in
Legroom, Row 2 44.3 in 41.9 in 2.4 in
Legroom, Row 3 0.0 in 34.6 in -34.6 in
Total Legroom 85.8 in (over 2 rows) 116.8 in (over 3 rows) -31 in
Cargo Volume, Minimum 12.5 ft3 17.4 ft3 -4.9 ft3
Cargo Volume, Behind R2 12.5 42.7 ft3 -30.2
Cargo Volume, Maximum 12.5 ft3 84.7 ft3 -72.2 ft3

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