| Attribute |
Audi A6 (4A,C4) 2.5 TDI Automatic × | 
Mercedes-Benz E-class (W211, facelift 2006) E 200 CDI Automatic × |
| General | | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | E-class |
| Generation | A6 (4A,C4) | E-class (W211, facelift 2006) |
| Modification | 2.5 TDI Automatic | E 200 CDI Automatic |
| Website | https://www.audi.com/ | https://www.mercedes-benz.com/ |
| Number of doors | 4 | 4 |
| Number of seats | 5 | 5 |
| Body type | Sedan | Sedan |
| Transmission | automatic | automatic |
| Number of gears | 4 | 5 |
| Production from (year) | 1996 | 2006 |
| Production to (year) | 1997 | 2009 |
| Performance | | |
| Top speed (km/h) | 205 | 211 |
| Acceleration 0-100 km/h (s) | 11.1 | 9.9 |
| City consumption (l/100km) | 10.3 | 9 |
| Extra-urban consumption (l/100km) | 5.9 | 5.2 |
| Combined consumption (l/100km) | 7.6 | 6.5 |
| CO2 emissions (g/km) | 200 | 173 |
| Emission standard | EURO II | EURO IV |
| Drive | | |
| Drive | Front wheel drive | Rear wheel drive |
| Engine type | Fuel engine | Fuel engine |
| Position of engine | Front,ongitudinal | Front,ongitudinal |
| Fuel | Diesel | Diesel |
| Max. power (hp) | 140 | 136 |
| Max. torque (Nm) | 290 | 340 |
| Fuel Engine | | |
| Number of cylinders | 5 | 4 |
| Cylinders arrangement | Inline | Inline |
| Valves per cylinder | 2 | 4 |
| Engine displacement (cm³) | 2,461 | 2,148 |
| Compression ratio | 20 | 17.5 |
| Max. power @ rpm (rpm) | 4,000 | 3,800 |
| Max. torque @ rpm (rpm) | 1,900 | 2,000 |
| Cylinder bore (mm) | 81 | 88 |
| Piston stroke (mm) | 95.5 | 88.3 |
| Fuel system | Diesel - Standard diesel injection (SDI) | Diesel - Standard diesel injection (SDI) |
| Valve control | Ohc | Dohc |
| Turbine | Turbocharger / Intercooler | Turbocharger |
| Catalyst | No | Particulate filter |
| Fuel tank (l) | 80 | 65 |
| Engine oil capacity (l) | 5 | - |
| Coolant capacity (l) | 6.5 | - |
| Chassis | | |
| ABS | + | + |
| Front wheel suspension | Independent, Spring McPherson, with stabilizer | Double wishbone |
| Rear wheel suspension | Semi-independent, spring | Independent, spring multi-link with stabilizer |
| Front suspension | Coil springs | Coil springs |
| Rear suspension | Coil springs | Coil springs |
| Front stabilizer | + | + |
| Rear stabilizer | + | + |
| Steering type | Steering rack | Steering rack |
| Power steering | Hydraulic Steering | Electric Steering |
| Front brakes | Ventilated discs | Ventilated discs |
| Rear brakes | Disc | Disc |
| Tires size | | |
| Turning radius (m) | 11.4 | 11.4 |
| Dimensions | | |
| Length (mm) | 4,797 | 4,856 |
| Width (mm) | 1,783 | 1,822 |
| Height (mm) | 1,430 | 1,483 |
| Wheelbase (mm) | 2,687 | 2,854 |
| Kerb weight (kg) | 1,490 | 1,540 |
| Gross weight (kg) | 2,010 | 2,140 |
| Maximum boot space (l) | 510 | 540 |
| Max. roof load (kg) | 100 | - |
| Front track (mm) | 1,520 | 1,577 |
| Rear track (mm) | 1,524 | 1,570 |
| Ride height (mm) | 128 | - |
| Drag coefficient (Cd) | 0.32 | - |