| Attribute |
Audi A8 Long (D3, 4E, facelift 2005) 3.0 TDI V6 quattro DPF Tiptronic × | 
BMW 5 Series (E60, Facelift 2007) 525xd Automatic × |
| General | | |
| Make | Audi | BMW |
| Model | A8 | 5 Series |
| Generation | A8 Long (D3, 4E, facelift 2005) | 5 Series (E60, Facelift 2007) |
| Modification | 3.0 TDI V6 quattro DPF Tiptronic | 525xd Automatic |
| Website | https://www.audi.com/ | https://www.bmw.com |
| Number of doors | 4 | 4 |
| Number of seats | 5 | 5 |
| Body type | Sedan | Sedan |
| Transmission | automatic tiptronic | automatic |
| Number of gears | 6 | 6 |
| Production from (year) | 2005 | 2007 |
| Production to (year) | 2007 | 2010 |
| Performance | | |
| Top speed (km/h) | 243 | 230 |
| Acceleration 0-100 km/h (s) | 7.9 | 7.9 |
| City consumption (l/100km) | 12.1 | 9.3 |
| Extra-urban consumption (l/100km) | 6.5 | 5.5 |
| Combined consumption (l/100km) | 8.5 | 6.9 |
| Emission standard | EURO IV | EURO IV |
| Drive | | |
| Drive | All wheel drive (4x4) | All wheel drive (4x4) |
| Position of engine | Front,ongitudinal | Front,ongitudinal |
| Fuel | Diesel | Diesel |
| Max. power (hp) | 233 | 197 |
| Max. torque (Nm) | 450 | 400 |
| Fuel Engine | | |
| Number of cylinders | 6 | 6 |
| Cylinders arrangement | V engine | Inline |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 2,967 | 2,993 |
| Compression ratio | 17 | 16.5 |
| Max. power @ rpm (rpm) | 4,000 | 4,000 |
| Max. torque @ rpm (rpm) | 1,400 | 1,300 |
| Cylinder bore (mm) | 83 | 84 |
| Piston stroke (mm) | 91.4 | 90 |
| Fuel system | Diesel Commonrail | Diesel Commonrail |
| Valve control | Dohc | - |
| Turbine | Turbocharger / Intercooler | Turbocharger / Intercooler |
| Fuel tank (l) | 90 | 70 |
| Chassis | | |
| ABS | + | + |
| Front wheel suspension | Multi-link suspension | Independent, Spring McPherson, with stabilizer |
| Rear wheel suspension | Independent on trapezoidalever | Independent, spring |
| Steering type | Steering rack | Steering rack |
| Power steering | Hydraulic Steering | Hydraulic Steering |
| Front brakes | Ventilated discs | Ventilated discs |
| Rear brakes | Ventilated discs | Disc |
| Tires size | | |
| Turning radius (m) | 12.5 | - |
| Dimensions | | |
| Length (mm) | 5,192 | 4,841 |
| Width (mm) | 1,894 | 1,846 |
| Height (mm) | 1,455 | 1,468 |
| Wheelbase (mm) | 3,074 | 2,888 |
| Kerb weight (kg) | 1,880 | 1,670 |
| Gross weight (kg) | 2,480 | 2,230 |
| Minimum boot space (l) | 500 | 520 |
| Front track (mm) | 1,629 | 1,558 |
| Rear track (mm) | 1,615 | 1,581 |
| Ride height (mm) | - | 142 |
| Drag coefficient (Cd) | 0.27 | - |