| Model Year | 2012 | 2023 | |
| Model | Audi A6 | Mercedes-Benz C-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 2,913 mm | 2,865 mm | 0 mm |
| Length | 4,925 mm | 4,750 mm | 0 mm |
| Width | 1,875 mm | 1,890 mm | 0 mm |
| Height | 1,468 mm | 1,438 mm | 0 mm |
| Curb Weight | 1,670 kg | 1,735 kg | 0 kg |
| Fuel Capacity | 75 L | 66 L | 9 L |
| Headroom, Row 1 | 945 mm | 945 mm | 0 mm |
| Shoulder Room, Row 1 | 1,461 mm | 1,430 mm | 0 mm |
| Legroom, Row 1 | 1,049 mm | 1,059 mm | 0 mm |
| Headroom, Row 2 | 960 mm | 953 mm | 7 mm |
| Shoulder Room, Row 2 | 1,430 mm | 1,412 mm | 0 mm |
| Legroom, Row 2 | 950 mm | 914 mm | 36 mm |
| Total Legroom | 1,999 mm (over 2 rows) | 1,974 mm (over 2 rows) | 0 mm |
| Cargo Volume | 399 L | 357 L | 42 L |
| 2012 Audi A6 Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2012 | 4dr Sedan supercharged 310hp 3.0L V6 8-speed shiftable automatic AWD |
Very supportive seats, nice leather, great heated seats. see full Audi A6 review |
| 2012 Audi A6 Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2011 | 4dr Sedan supercharged 300hp 3.0L V6 6-speed shiftable automatic AWD |
Rear seat room is average, no better. see full Audi A6 review |
None of our members have yet commented on the seat room and comfort of the 2023 Mercedes-Benz C-Class.