Comparison BMW 7 Series (E38) 728i (193 Hp) Steptronic & Audi A4 (B7 8E) 2.0 TDI (170 Hp) DPF
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| Brand: | BMW | Audi |
| Model: | 7 Series | A4 |
| Generation: | 7 Series (E38) | A4 (B7 8E) |
| Engine / modification: | 728i (193 Hp) Steptronic | 2.0 TDI (170 Hp) DPF |
| Production start: | 1995 year | 2006 year |
| Production end: | 1998 year | 2008 year |
| Coupe type: | Sedan | Sedan |
| Num. of Doors: | 4 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 16.0 l/100 km | 7.9 l/100 km |
| Fuel consumption / economy - extra urban: | 8.3 l/100 km | 4.6 l/100 km |
| Fuel consumption / economy - combined: | 11.1 l/100 km | 5.8 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.30 | 0.29 |
| Fuel tank volume: | 85 l | 70 l |
| Emission standard: | Euro 4 | |
| CO2 emissions: | 154 g/km | |
| Power: | 193 hp | 170 hp |
| Max power in: | 5300 rpm. | 4200 rpm. |
| Maximum speed: | 225 km/h | 228 km/h |
| Acceleration from 0 to 100 km/h: | 9.6 sec | 8.6 sec |
| Torque: | 280 Nm @ 3950 rpm. | 320 Nm @ 1750-2500 rpm. |
| Model Engine: | BRD | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2793 cm3 | 1968 cm3 |
| Engine oil capacity: | 6.5 l | 3.5 l |
| Coolant: | 10.5 l | 8 l |
| Fuel System: | Multi-point injection | Pump-nozzle (Unit Injector) |
| Aspiration / Turbine: | Turbo / Intercooler (Turbocharging / Intercooler) | |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | DOHC | OHC |
| Number of cylinders: | 6 | 4 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.2 | 18 |
| Piston Stroke: | 84 mm | 95.5 mm |
| Cylinder Bore: | 84 mm | 81 mm |
| Wheel Drive: | Rear wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 5 Steptronic | |
| Number of Gears (manual transmission): | 6 | |
| Length: | 4984 mm | 4586 mm |
| Width: | 1862 mm | 1772 mm |
| Width including mirrors: | 1937 mm | |
| Height: | 1435 mm | 1427 mm |
| Wheelbase: | 2930 mm | 2642 mm |
| Front track: | 1552 mm | 1519 mm |
| Rear (Back) track: | 1568 mm | 1514 mm |
| Minimum volume of Luggage (trunk): | 500 l | 460 l |
| Maximum amount of Luggage (trunk): | 833 l | |
| Front suspension: | Wishbone | Independent multi-link |
| Rear suspension: | Inclined Lever | Multi-link independent |
| Max weight: | 2235 kg | 2000 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1700 kg | 1450 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Hydraulic Steering |
| Max. roof load: | 75 kg | |
| Permitted trailer load with brakes (8%): | 1800 kg | |
| Minimum turning circle (turning diameter): | 11.6 m | 11.1 m |
| Permitted trailer load with brakes (12%): | 1600 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Permitted towbar download: | 80 kg | |
| Tire size: | 215/65 R16 | 215/55 R16 |
| Wheel rims size: | R16 | 7J x 16 |