| Model Year | 2021 | 2023 | |
| Model | Mercedes-Benz C-Class | BMW i7 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 2,840 mm | 3,216 mm | -1 mm |
| Length | 4,686 mm | 5,390 mm | -1 mm |
| Width | 1,811 mm | 1,951 mm | 0 mm |
| Height | 1,443 mm | 1,544 mm | 0 mm |
| Curb Weight | 1,575 kg | 2,684 kg | -1 kg |
| Fuel Capacity | 66 L | 0 L | 66 L |
| Headroom, Row 1 | 942 mm | 1,011 mm | 941 mm |
| Shoulder Room, Row 1 | 1,405 mm | 1,549 mm | 0 mm |
| Legroom, Row 1 | 1,059 mm | 1,046 mm | 0 mm |
| Headroom, Row 2 | 942 mm | 980 mm | -38 mm |
| Shoulder Room, Row 2 | 1,397 mm | 1,430 mm | 0 mm |
| Legroom, Row 2 | 894 mm | 1,100 mm | 893 mm |
| Total Legroom | 1,953 mm (over 2 rows) | 2,146 mm (over 2 rows) | -1 mm |
| Cargo Volume | 357 L | 510 L | -153 L |
None of our members have yet commented on the seat room and comfort of the 2021 Mercedes-Benz C-Class.
None of our members have yet commented on the seat room and comfort of the 2023 BMW i7.