Comparison BMW 8 Series (G15) M850i (530 Hp) xDrive Steptronic & Audi A3 Sportback (8V) 1.4 TFSI COD (140 Hp) S tronic
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| Brand: | BMW | Audi |
| Model: | 8 Series | A3 |
| Generation: | 8 Series (G15) | A3 Sportback (8V) |
| Engine / modification: | M850i (530 Hp) xDrive Steptronic | 1.4 TFSI COD (140 Hp) S tronic |
| Production start: | 2018 year | 2013 year |
| Production end: | 2020 year | 2014 year |
| Coupe type: | Coupe | Hatchback |
| Num. of Doors: | 2 | 5 |
| Num. of seats: | 4 | 5 |
| Fuel consumption / economy - urban: | 5.9 l/100 km | |
| Fuel consumption / economy - extra urban: | 4.1 l/100 km | |
| Fuel consumption / economy - combined: | 10.0-10.5 l/100 km | 4.7 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.33 | 0.31 |
| Fuel tank volume: | 68 l | 50 l |
| Emission standard: | Euro 6 | Euro 5 |
| CO2 emissions: | 228-240 g/km | 110 g/km |
| Power: | 530 hp | 140 hp |
| Max power in: | 5500-6000 rpm. | 4500-6000 rpm. |
| Maximum speed: | 250 km/h | 213 km/h |
| Acceleration from 0 to 100 km/h: | 3.7 sec | 8.4 sec |
| Torque: | 750 Nm @ 1800-4600 rpm. | 250 Nm @ 1500-3500 rpm. |
| Model Engine: | N63B44 | CPTA |
| Engine position: | Front, longitudinal | Front, transverse |
| Engine displacement: | 4395 cm3 | 1395 cm3 |
| Engine oil capacity: | 10.5 l | 4 l |
| Fuel System: | Direct injection | Direct injection |
| Aspiration / Turbine: | Twin-power turbo | Turbo / Intercooler (Turbocharging / Intercooler) |
| Position of cylinders: | V engine | Inline |
| Valvetrain: | DOHC | |
| Number of cylinders: | 8 | 4 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.5 | 10 |
| Piston Stroke: | 88.3 mm | 80 mm |
| Cylinder Bore: | 89 mm | 74.5 mm |
| Wheel Drive: | All wheel drive (4x4) | Front wheel drive |
| Number of Gears (automatic transmission): | 8 Steptronic | 7 S tronic |
| Length: | 4851 mm | 4310 mm |
| Width: | 1902 mm | 1786 mm |
| Width including mirrors: | 2137 mm | 1966 mm |
| Height: | 1346 mm | 1426 mm |
| Wheelbase: | 2822 mm | 2636 mm |
| Front track: | 1627 mm | 1535 mm |
| Rear (Back) track: | 1642 mm | 1506 mm |
| Ride height(clearance): | 128 mm | |
| Front overhang: | 953 mm | 869 mm |
| Rear overhang: | 1076 mm | 805 mm |
| Minimum volume of Luggage (trunk): | 420 l | 380 l |
| Maximum amount of Luggage (trunk): | 1220 l | |
| Front suspension: | Double wishbone | McPherson |
| Rear suspension: | Multi-link independent | |
| Max weight: | 2395 kg | 1795 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc |
| Kerb Weight: | 1890 kg | 1235 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | |
| Max. roof load: | 75 kg | 75 kg |
| Permitted trailer load with brakes (8%): | 1700 kg | |
| Minimum turning circle (turning diameter): | 11.9 m | 10.9 m |
| Permitted trailer load with brakes (12%): | 1500 kg | |
| Permitted trailer load without brakes: | 650 kg | |
| Permitted towbar download: | 75 kg | |
| Tire size: | 245/35 R20; 275/30 R20 | 205/55 R16 |
| Wheel rims size: | 8J x 20; 9J x 20 | R16 |