Mercedes-Benz S-Class Mercedes-Benz S-Class 2009 Audi A8 / S8 Audi A8 / S8 2021

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Mercedes-Benz S-Class (2009) vs. Audi A8 / S8 (2021) Specs

How powerful is the engine? How much room is in the back seat? Get the 2009 Mercedes-Benz S-Class and 2021 Audi A8 / S8 specs.

2009 Mercedes-Benz S-Class and 2021 Audi A8 / S8 Specifications

Model Year 2009 2021  
Model Mercedes-Benz S-Class Audi A8 / S8  
Engine 6.2L V8
DOHC-4v
518 hp@6800
465 lb-ft@5200
turbocharged
4.0L V8 Hybrid
DOHC-4v
563 hp@6000
590 lb-ft@2000
 
Transmission 7-speed shiftable automatic 8-speed shiftable automatic  
Drivetrain RWD AWD  
Body 4dr Sedan, ext. 4dr Sedan, ext.  
      Difference
Wheelbase 124.6 in 123.2 in 1.4 in
Length 205.0 in 208.7 in -3.7 in
Width 73.7 in 76.6 in -2.9 in
Height 58.0 in 58.6 in -0.6 in
Curb Weight 4663 lb. 5302 lb. -639 lb.
Fuel Capacity 23.8 gal. 21.7 gal. 2.1 gal.
Headroom, Row 1 37.8 in 38.3 in -0.5 in
Shoulder Room, Row 1 59.1 in 59.1 in 0 in
Legroom, Row 1 41.9 in 41.5 in 0.4 in
Headroom, Row 2 38.5 in 38.5 in 0 in
Shoulder Room, Row 2 58.7 in 57.6 in 1.1 in
Legroom, Row 2 42.3 in 44.3 in -2 in
Total Legroom 84.2 in (over 2 rows) 85.8 in (over 2 rows) -1.6 in
Cargo Volume 16.3 ft3 12.5 ft3 3.8 ft3

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