BMW 3-Series BMW 3-Series 2023 Cadillac STS Cadillac STS 2006

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BMW 3-Series (2023) vs. Cadillac STS (2006) Specs

How powerful is the engine? How much room is in the back seat? Get the 2023 BMW 3-Series and 2006 Cadillac STS specs.

2023 BMW 3-Series and 2006 Cadillac STS Specifications

Model Year 2023 2006  
Model BMW 3-Series Cadillac STS  
Engine turbocharged
3.0L I6
DOHC-4v
473 hp@6250
406 lb-ft@2650
supercharged
4.4L V8
DOHC-4v
469 hp@6400
439 lb-ft@3800
 
Transmission 6-speed manual 6-speed shiftable automatic  
Drivetrain RWD RWD  
Body 4dr Sedan 4dr Sedan  
      Difference
Wheelbase 112.2 in 116.4 in -4.2 in
Length 185.9 in 196.3 in -10.4 in
Width 71.9 in 72.6 in -0.7 in
Height 56.8 in 57.6 in -0.8 in
Curb Weight 3840 lb. 4233 lb. -393 lb.
Fuel Capacity 15.6 gal. 17.0 gal. -1.4 gal.
Headroom, Row 1 38.7 in 38.7 in 0 in
Shoulder Room, Row 1 56.0 in 58.6 in -2.6 in
Hip Room, Row 1 0.0 in 54.6 in -54.6 in
Legroom, Row 1 42.0 in 42.6 in -0.6 in
Headroom, Row 2 37.6 in 37.9 in -0.3 in
Shoulder Room, Row 2 54.6 in 57.4 in -2.8 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 77.2 in (over 2 rows) 80.9 in (over 2 rows) -3.7 in
Cargo Volume 16.9 ft3 13.8 ft3 3.1 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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