Comparison BMW 7 Series (E23) 728i (184 Hp) Automatic & Audi A3 (8L, facelift 2000) 1.9 TDI (130 Hp) Tiptronic
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| Brand: | BMW | Audi |
| Model: | 7 Series | A3 |
| Generation: | 7 Series (E23) | A3 (8L, facelift 2000) |
| Engine / modification: | 728i (184 Hp) Automatic | 1.9 TDI (130 Hp) Tiptronic |
| Production start: | 1979 year | 2000 year |
| Production end: | 1983 year | 2003 year |
| Coupe type: | Sedan | Hatchback |
| Num. of Doors: | 4 | 3/5 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 14.5 l/100 km | 9 l/100 km |
| Fuel consumption / economy - extra urban: | 5 l/100 km | |
| Fuel consumption / economy - combined: | 6.5 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.33 | |
| Fuel tank volume: | 100 l | 55 l |
| Emission standard: | Euro 3 | |
| CO2 emissions: | 170 g/km | |
| Power: | 184 hp | 130 hp |
| Max power in: | 5800 rpm. | 4000 rpm. |
| Maximum speed: | 190 km/h | 200 km/h |
| Acceleration from 0 to 100 km/h: | 11.5 sec | 9.8 sec |
| Torque: | 235 Nm @ 4300 rpm. | 310 Nm @ 1900 rpm. |
| Model Engine: | M30B28 | ASZ |
| Engine position: | Front, longitudinal | Front, transverse |
| Engine displacement: | 2788 cm3 | 1896 cm3 |
| Engine oil capacity: | 5.8 l | 4.5 l |
| Coolant: | 6 l | |
| Fuel System: | Multi-point injection | Pump-nozzle (Unit Injector) |
| Aspiration / Turbine: | Turbo / Intercooler (Turbocharging / Intercooler) | |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | SOHC | OHC |
| Number of cylinders: | 6 | 4 |
| Number of valves per cylinder: | 2 | 2 |
| Compression ratio: | 9.3 | 19 |
| Piston Stroke: | 80 mm | 95.5 mm |
| Cylinder Bore: | 86 mm | 79.5 mm |
| Wheel Drive: | Rear wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 3 | 5 Tiptronic |
| Length: | 4860 mm | 4152 mm |
| Width: | 1800 mm | 1735 mm |
| Height: | 1430 mm | 1427 mm |
| Wheelbase: | 2795 mm | 2513 mm |
| Front track: | 1502 mm | 1513 mm |
| Rear (Back) track: | 1524 mm | 1495 mm |
| Ride height(clearance): | 132 mm | |
| Minimum volume of Luggage (trunk): | 350 l | |
| Maximum amount of Luggage (trunk): | 1110 l | |
| Front suspension: | Independent, Spring McPherson, with stabilizer | Wishbone |
| Rear suspension: | Independent, spring | Suspension with traction connecting levers |
| Max weight: | 1960 kg | 1760 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1505 kg | 1200 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | |
| Power steering: | Hydraulic Steering | |
| Minimum turning circle (turning diameter): | 10.9 m | |
| Tire size: | 195/70 HR14; 220/55 HR390 TRX | 195/65 R15 V |
| Wheel rims size: | 6.0J x 14; 165 TR 390 | 6.5J x 15 |