Mercedes-Benz C-Class Mercedes-Benz C-Class 2021 Cadillac STS Cadillac STS 2006

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Mercedes-Benz C-Class (2021) vs. Cadillac STS (2006) Specs

How powerful is the engine? How much room is in the back seat? Get the 2021 Mercedes-Benz C-Class and 2006 Cadillac STS specs.

2021 Mercedes-Benz C-Class and 2006 Cadillac STS Specifications

Model Year 2021 2006  
Model Mercedes-Benz C-Class Cadillac STS  
Engine turbocharged
4.0L V8
DOHC-4v
469 hp@5500
479 lb-ft@1750
supercharged
4.4L V8
DOHC-4v
469 hp@6400
439 lb-ft@3800
 
Transmission 9-speed shiftable automatic 6-speed shiftable automatic  
Drivetrain RWD RWD  
Body 4dr Sedan 4dr Sedan  
      Difference
Wheelbase 111.8 in 116.4 in -4.6 in
Length 184.5 in 196.3 in -11.8 in
Width 71.3 in 72.6 in -1.3 in
Height 56.8 in 57.6 in -0.8 in
Curb Weight 3874 lb. 4233 lb. -359 lb.
Fuel Capacity 17.4 gal. 17.0 gal. 0.4 gal.
Headroom, Row 1 37.1 in 38.7 in -1.6 in
Shoulder Room, Row 1 55.3 in 58.6 in -3.3 in
Hip Room, Row 1 0.0 in 54.6 in -54.6 in
Legroom, Row 1 41.7 in 42.6 in -0.9 in
Headroom, Row 2 37.1 in 37.9 in -0.8 in
Shoulder Room, Row 2 55.0 in 57.4 in -2.4 in
Hip Room, Row 2 0.0 in 55.6 in -55.6 in
Legroom, Row 2 35.2 in 38.3 in -3.1 in
Total Legroom 76.9 in (over 2 rows) 80.9 in (over 2 rows) -4 in
Cargo Volume 12.6 ft3 13.8 ft3 -1.2 ft3

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What Our Members Are Saying about the Seat Room and Comfort of the 2006 Cadillac STS

2006 Cadillac STS Seat Room and Comfort: Cons
YearBody/PowertrainComment
2006 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD
Very tight legroom. see full Cadillac STS review
2006 4dr Sedan 254-horsepower 3.6L V6
5-speed shiftable automatic RWD
No room in the back...even tight for kids. see full Cadillac STS review
 
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