Comparison Audi A3 Sportback (8V) 2.0 TDI (150 Hp) & BMW 8 Series (E31) 850i (300 Hp) & BMW 7 Series (G12) 740Ld (320 Hp) xDrive Steptronic
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| Brand: | Audi | BMW | BMW |
| Model: | A3 | 8 Series | 7 Series |
| Generation: | A3 Sportback (8V) | 8 Series (E31) | 7 Series (G12) |
| Engine / modification: | 2.0 TDI (150 Hp) | 850i (300 Hp) | 740Ld (320 Hp) xDrive Steptronic |
| Production start: | 2013 year | 1989 year | 2015 year |
| Production end: | 2014 year | 1992 year | 2019 year |
| Coupe type: | Hatchback | Coupe | Sedan |
| Num. of Doors: | 5 | 2 | 4 |
| Num. of seats: | 5 | 4 | 5 |
| Fuel consumption / economy - urban: | 5 l/100 km | 19.8 l/100 km | 6.3-6.8 l/100 km |
| Fuel consumption / economy - extra urban: | 3.7 l/100 km | 8.8 l/100 km | 4.3-4.6 l/100 km |
| Fuel consumption / economy - combined: | 4.2 l/100 km | 10.4 l/100 km | 5.0-5.4 l/100 km |
| Fuel Type: | Diesel | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.31 | 0.29 | 0.25 |
| Fuel tank volume: | 50 l | 90 l | 78 l |
| Emission standard: | Euro 5 | EURO VI | |
| CO2 emissions: | 108 g/km | 132-142 g/km | |
| Power: | 150 hp | 300 hp | 320 hp |
| Max power in: | 3500 rpm. | 5200 rpm. | 4000 rpm. |
| Maximum speed: | 216 km/h | 250 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 8.7 sec | 6.8 sec | 5.3 sec |
| Torque: | 320 Nm @ 1750-3000 rpm. | 450 Nm @ 4100 rpm. | 680 Nm @ 1750-2250 rpm. |
| Model Engine: | CRBC, CRLB, CRUA, DBGA, DEJA, DCYA | M70B50 | |
| Engine position: | Front, transverse | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 1968 cm3 | 4988 cm3 | 2993 cm3 |
| Engine oil capacity: | 4.7 l | 7.5 l | 6.5 l |
| Coolant: | 13 l | ||
| Fuel System: | Diesel Commonrail | Multi-point injection | Diesel Commonrail |
| Aspiration / Turbine: | Turbo / Intercooler (Turbocharging / Intercooler) | Twin-power turbo | |
| Position of cylinders: | Inline | V engine | Inline |
| Valvetrain: | DOHC | ||
| Number of cylinders: | 4 | 12 | 6 |
| Number of valves per cylinder: | 4 | 4 | 4 |
| Compression ratio: | 16.2 | 8.8 | 16.5 |
| Piston Stroke: | 95.5 mm | 75 mm | 90 mm |
| Cylinder Bore: | 81 mm | 84 mm | 84 mm |
| Wheel Drive: | Front wheel drive | Rear wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 8 Steptronic | ||
| Number of Gears (manual transmission): | 6 | 6 | |
| Length: | 4310 mm | 4780 mm | 5238 mm |
| Width: | 1786 mm | 1855 mm | 1902 mm |
| Width including mirrors: | 1966 mm | ||
| Height: | 1426 mm | 1340 mm | 1485 mm |
| Wheelbase: | 2636 mm | 2684 mm | 3210 mm |
| Front track: | 1536 mm | 1554 mm | 1617 mm |
| Rear (Back) track: | 1506 mm | 1562 mm | 1646 mm |
| Ride height(clearance): | 140 mm | 135 mm | |
| Front overhang: | 869 mm | 880 mm | |
| Rear overhang: | 805 mm | 1148 mm | |
| Minimum volume of Luggage (trunk): | 380 l | 360 l | 515 l |
| Maximum amount of Luggage (trunk): | 1220 l | ||
| Front suspension: | McPherson | Double wishbone | |
| Rear suspension: | Multi-link independent | ||
| Max weight: | 1870 kg | 2190 kg | 2570 kg |
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc | Ventilated discs |
| Kerb Weight: | 1310 kg | 1790 kg | 1900 kg |
| ABS: | yes | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | ||
| Max. roof load: | 75 kg | 100 kg | |
| Permitted trailer load with brakes (8%): | 1800 kg | ||
| Minimum turning circle (turning diameter): | 10.9 m | 11.5 m | 12.9 m |
| Permitted trailer load with brakes (12%): | 1600 kg | 2300 kg | |
| Permitted trailer load without brakes: | 690 kg | 750 kg | |
| Permitted towbar download: | 75 kg | 100 kg | |
| Tire size: | 205/55 R16 | 235/50 ZR 16 | 225/60 R17 99Y; 245/50 R18; 245/45 R19; 275/40 R19; 245/40 R20; 275/35 R20; 245/35 R21; 275/30 R21 |
| Wheel rims size: | R16 | R16 | 7.5J x 17; 8J x 18; 8.5J x 19; 9.5J x 19; 8.5J x 20; 10J x 20; 8.5J x 21; 10J x 21 |