| Model Year | 2012 | 2009 | |
| Model | Mercedes-Benz C-Class | BMW X3 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 2,761 mm | 2,797 mm | 0 mm |
| Length | 4,590 mm | 4,564 mm | 0 mm |
| Width | 1,770 mm | 1,854 mm | 0 mm |
| Height | 1,430 mm | 1,676 mm | 0 mm |
| Curb Weight | 1,555 kg | 1,820 kg | 0 kg |
| Fuel Capacity | 66 L | 67 L | -1 L |
| Headroom, Row 1 | 942 mm | 968 mm | -26 mm |
| Shoulder Room, Row 1 | 1,389 mm | 1,417 mm | 0 mm |
| Hip Room, Row 1 | 1,328 mm | 0 mm | 1 mm |
| Legroom, Row 1 | 1,059 mm | 1,021 mm | 0 mm |
| Headroom, Row 2 | 937 mm | 960 mm | -23 mm |
| Shoulder Room, Row 2 | 1,397 mm | 1,407 mm | 0 mm |
| Hip Room, Row 2 | 1,394 mm | 0 mm | 1 mm |
| Legroom, Row 2 | 848 mm | 909 mm | -61 mm |
| Total Legroom | 1,908 mm (over 2 rows) | 1,930 mm (over 2 rows) | 0 mm |
| Cargo Volume, Minimum | 351 L | 850 L | -499 L |
| Cargo Volume, Maximum | 12.4 | 2,010 L | 10.4 |
None of our members have yet commented on the seat room and comfort of the 2012 Mercedes-Benz C-Class.
None of our members have yet commented on the seat room and comfort of the 2009 BMW X3.