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2018 BMW 3-Series and 2007 Cadillac STS Specifications
| Model Year | 2018 | 2007 | |
| Model | BMW 3-Series | Cadillac STS | |
| Engine | turbocharged 3.0L I6 DOHC-4v 425 hp@5500 406 lb-ft@1850 |
supercharged 4.4L V8 DOHC-4v 469 hp@6400 439 lb-ft@3800 |
|
| Transmission | 7-speed automated manual | 6-speed shiftable automatic | |
| Drivetrain | RWD | RWD | |
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 110.6 in | 116.4 in | -5.8 in |
| Length | 182.5 in | 196.3 in | -13.8 in |
| Width | 71.3 in | 72.6 in | -1.3 in |
| Height | 56.3 in | 57.6 in | -1.3 in |
| Curb Weight | 3630 lb. | 4233 lb. | -603 lb. |
| Fuel Capacity | 15.8 gal. | 17.0 gal. | -1.2 gal. |
| Headroom, Row 1 | 40.3 in | 38.7 in | 1.6 in |
| Shoulder Room, Row 1 | 55.1 in | 58.6 in | -3.5 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 | 37.7 in | 37.9 in | -0.2 in |
| Shoulder Room, Row 2 | 55.1 in | 57.4 in | -2.3 in |
| Hip Room, Row 2 | 0.0 in | 55.6 in | -55.6 in |
| Legroom, Row 2 | 35.1 in | 38.3 in | -3.2 in |
| Total Legroom | 77.1 in (over 2 rows) | 80.9 in (over 2 rows) | -3.8 in |
| Cargo Volume | 13.0 ft3 | 13.8 ft3 | -0.8 ft3 |
What Our Members Are Saying about the Seat Room and Comfort of the 2018 BMW 3-Series
None of our members have yet commented on the seat room and comfort of the 2018 BMW 3-Series.
What Our Members Are Saying about the Seat Room and Comfort of the 2007 Cadillac STS
| 2007 Cadillac STS Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 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 |
| 2006 | 4dr Sedan 320-horsepower 4.6L V8 5-speed shiftable automatic RWD |
Very tight legroom. see full Cadillac STS review |
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