| Attribute |
Audi A6 (4F,C6) 2.7 TDI V6 quattro Tiptronic × | 
Mercedes-Benz E-class (W211, facelift 2006) E 320 CDI V6 4MATIC Automatic × |
| General | | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | E-class |
| Generation | A6 (4F,C6) | E-class (W211, facelift 2006) |
| Modification | 2.7 TDI V6 quattro Tiptronic | E 320 CDI V6 4MATIC 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 tiptronic | automatic |
| Number of gears | 6 | 5 |
| Production from (year) | 2004 | 2006 |
| Production to (year) | 2008 | 2009 |
| Performance | | |
| Top speed (km/h) | 228 | 244 |
| Acceleration 0-100 km/h (s) | 8.9 | 7.4 |
| City consumption (l/100km) | 10.8 | 10.5 |
| Extra-urban consumption (l/100km) | 6.6 | 6.4 |
| Combined consumption (l/100km) | 8.1 | 7.9 |
| CO2 emissions (g/km) | 217 | 210 |
| Emission standard | EURO IV | EURO IV |
| Drive | | |
| Drive | All wheel drive (4x4) | All wheel drive (4x4) |
| Engine type | Fuel engine | Fuel engine |
| Position of engine | Front,ongitudinal | Front,ongitudinal |
| Fuel | Diesel | Diesel |
| Max. power (hp) | 180 | 224 |
| Max. torque (Nm) | 380 | 510 |
| Fuel Engine | | |
| Number of cylinders | 6 | 6 |
| Cylinders arrangement | V engine | V engine |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 2,698 | 2,987 |
| Compression ratio | 17 | 17.7 |
| Max. power @ rpm (rpm) | 3,300 | 3,800 |
| Max. torque @ rpm (rpm) | 1,400 | 1,600 |
| Cylinder bore (mm) | 83 | 83 |
| Piston stroke (mm) | 83.1 | 92 |
| Fuel system | Diesel Commonrail | Diesel Commonrail |
| Valve control | Dohc | Dohc |
| Turbine | Turbocharger / Intercooler | Turbocharger / Intercooler |
| Catalyst | Particulate filter | Particulate filter |
| Fuel tank (l) | 80 | 80 |
| Engine oil capacity (l) | 8.2 | - |
| Coolant capacity (l) | 9.7 | - |
| Chassis | | |
| ABS | + | + |
| Front wheel suspension | Independent multi-link | Double wishbone |
| Rear wheel suspension | Independent on trapezoidalever | 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 | - | Electric Steering |
| Front brakes | Ventilated discs | Disc |
| Rear brakes | Disc | Disc |
| Tires size | | |
| Turning radius (m) | 11.9 | 11.5 |
| Dimensions | | |
| Length (mm) | 4,916 | 4,856 |
| Width (mm) | 1,855 | 1,822 |
| Height (mm) | 1,459 | 1,483 |
| Wheelbase (mm) | 2,843 | 2,854 |
| Kerb weight (kg) | 1,755 | 1,770 |
| Gross weight (kg) | 2,335 | 2,370 |
| Maximum boot space (l) | 546 | 540 |
| Max. roof load (kg) | 100 | - |
| Front track (mm) | 1,612 | 1,577 |
| Rear track (mm) | 1,618 | 1,570 |
| Drag coefficient (Cd) | 0.3 | - |