| Model Year | 2010 | 2021 | |
| Model | Mercedes-Benz C-Class | BMW Z4 | |
| Engine | 6.2L V8 DOHC-4v 451 hp@6800 443 lb-ft@5000 |
turbocharged 3.0L I6 DOHC-4v 382 hp@5500 368 lb-ft@1850 |
|
| Transmission | 7-speed shiftable automatic | 8-speed shiftable automatic | |
| Drivetrain | RWD | RWD | |
| Body | 4dr Sedan | 2dr Convertible | |
| Difference | |||
| Wheelbase | 2,761 mm | 2,469 mm | 0 mm |
| Length | 4,630 mm | 4,336 mm | 0 mm |
| Width | 1,770 mm | 1,864 mm | 0 mm |
| Height | 1,430 mm | 1,306 mm | 0 mm |
| Curb Weight | 1,661 kg | 1,568 kg | 0 kg |
| Fuel Capacity | 66 L | 52 L | 14 L |
| Headroom, Row 1 | 942 mm | 988 mm | -46 mm |
| Shoulder Room, Row 1 | 1,389 mm | 1,379 mm | 0 mm |
| Hip Room, Row 1 | 1,328 mm | 0 mm | 1 mm |
| Legroom, Row 1 | 1,059 mm | 1,072 mm | 0 mm |
| Headroom, Row 2 | 937 mm | 0 mm | 937 mm |
| Shoulder Room, Row 2 | 1,400 mm | 0 mm | 1 mm |
| Hip Room, Row 2 | 1,394 mm | 0 mm | 1 mm |
| Legroom, Row 2 | 848 mm | 0 mm | 848 mm |
| Total Legroom | 1,908 mm (over 2 rows) | 1,072 mm (over 1 row) | 0 mm |
| Cargo Volume | 351 L | 280 L | 71 L |
| 2010 Mercedes-Benz C-Class Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2010 | 4dr Sedan 268-horsepower 3.5L V6 7-speed shiftable automatic RWD |
This car has a very small back seat. If you want to carry passengers for a long distance, get an E class. see full Mercedes-Benz C-Class review |
| 2009 | 4dr Sedan 228-horsepower 3.0L V6 7-speed shiftable automatic RWD |
The seat causes no discomfort to my tailbone like many ohter cars. Furthermore, the padding is firm and feels like it will last a long time. see full Mercedes-Benz C-Class review |
| 2009 | 4dr Sedan 228-horsepower 3.0L V6 7-speed shiftable automatic RWD |
Mercedes-Benz makes the best seats in the business, period. Even after a 10 hour drive, my back did not hurt. see full Mercedes-Benz C-Class review |
| 2010 Mercedes-Benz C-Class Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2009 | 4dr Sedan supercharged 181hp 1.8L I4 5-speed shiftable automatic RWD |
Not much leg room when compared to other luxury entries. No flat floor so a 3rd passenger in the rear is not possible. see full Mercedes-Benz C-Class review |
| 2009 | 4dr Sedan supercharged 181hp 1.8L I4 5-speed shiftable automatic RWD |
Center console and stack cut into front side leg room, my left leg is always up against the center console. see full Mercedes-Benz C-Class review |
None of our members have yet commented on the seat room and comfort of the 2021 BMW Z4.