Comparison Alpina B3 Sedan (G20, facelift 2023) 3.0 (495 Hp) AWD SWITCH-TRONIC & BMW 6 Series (E24, facelift 1987) M 635 CSi (260 Hp) cat
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| Brand: | Alpina | BMW |
| Model: | B3 | 6 Series |
| Generation: | B3 Sedan (G20, facelift 2023) | 6 Series (E24, facelift 1987) |
| Engine / modification: | 3.0 (495 Hp) AWD SWITCH-TRONIC | M 635 CSi (260 Hp) cat |
| Production start: | 2022 year | 1987 year |
| Production end: | 1989 year | |
| Coupe type: | Sedan | Coupe |
| Powertrain Architecture: | Internal Combustion engine | |
| Num. of Doors: | 4 | 2 |
| Num. of seats: | 5 | 4 |
| Fuel consumption / economy - urban: | 17.6 l/100 km | |
| Fuel consumption / economy - extra urban: | 8.1 l/100 km | |
| Fuel consumption / economy - combined: | 11.9 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.39 | |
| Fuel tank volume: | 59 l | 70 l |
| Combined fuel consumption (WLTP): | 10.1 l/100 km | |
| Emission standard: | Euro 6d-ISC-FCM | |
| Power: | 495 hp | 260 hp |
| Max power in: | 5000-7000 rpm. | 6500 rpm. |
| Maximum speed: | 305 km/h | 242 km/h |
| Acceleration from 0 to 100 km/h: | 3.6 sec | 6.9 sec |
| CO2 emissions (WLTP): | 229 g/km | |
| Torque: | 730 Nm @ 2500-4500 rpm. | 330 Nm @ 4500 rpm. |
| Model Engine: | M88 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2993 cm3 | 3453 cm3 |
| Engine oil capacity: | 5.8 l | |
| Coolant: | 10.5 l | |
| Fuel System: | Direct injection | Multi-point injection |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | DOHC | |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 9.3 | 9.8 |
| Piston Stroke: | 90 mm | 84 mm |
| Cylinder Bore: | 84 mm | 93.4 mm |
| Wheel Drive: | All wheel drive (4x4) | |
| Number of Gears (automatic transmission): | 8 Switch-Tronic | |
| Number of Gears (manual transmission): | 5 | |
| Length: | 4723 mm | 4815 mm |
| Width: | 1827 mm | 1725 mm |
| Width including mirrors: | 2068 mm | |
| Height: | 1440 mm | 1355 mm |
| Wheelbase: | 2851 mm | 2625 mm |
| Front track: | 1577 mm | 1430 mm |
| Rear (Back) track: | 1572 mm | 1464 mm |
| Minimum volume of Luggage (trunk): | 480 l | 335 l |
| Front suspension: | Independent, Spring McPherson, with stabilizer | Independent, Spring McPherson, with stabilizer |
| Rear suspension: | Independent, spring multi-link with stabilizer | Independent, spring |
| Max weight: | 2340 kg | 1865 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc |
| Kerb Weight: | 1875 kg | 1515 kg |
| Steering type: | Steering rack and pinion | Cone worm with recirculation balls |
| Power steering: | Electric Steering | |
| Minimum turning circle (turning diameter): | 11.7 m | |
| Permitted trailer load with brakes (12%): | 1800 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Tire size: | Front wheel tires: 255/35 R19 | 195/70 R14 |
| Wheel rims size: | Front wheel rims: 8.5J x 19 | 6.5J x 14 |