Comparison Alpina B12 Coupe (E31) 5.7 i V12 24V (416 Hp) & Alpina B4 Coupe (facelift 2017) S Edition 99 3.0 (452 Hp) Switch-Tronic & Alpina C1 (E21) 2.3 (170 Hp)
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| Brand: | Alpina | Alpina | Alpina |
| Model: | B12 | B4 | C1 |
| Generation: | B12 Coupe (E31) | B4 Coupe (facelift 2017) | C1 (E21) |
| Engine / modification: | 5.7 i V12 24V (416 Hp) | S Edition 99 3.0 (452 Hp) Switch-Tronic | 2.3 (170 Hp) |
| Production start: | 1992 year | 2018 year | 1980 year |
| Production end: | 1996 year | 1983 year | |
| Coupe type: | Coupe | Coupe | Coupe |
| Num. of Doors: | 2 | 2 | 5 |
| Num. of seats: | 4 | 4 | 2 |
| Fuel consumption / economy - urban: | 12.1 l/100 km | 13.9 l/100 km | |
| Fuel consumption / economy - extra urban: | 7.3 l/100 km | 6.1 l/100 km | |
| Fuel consumption / economy - combined: | 13.4 l/100 km | 9.1 l/100 km | 8.1 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Fuel tank volume: | 90 l | 60 l | |
| Emission standard: | Euro 6 d-TEMP | ||
| CO2 emissions: | 207 g/km | ||
| Power: | 416 hp | 452 hp | 170 hp |
| Max power in: | 5400 rpm. | 5500-6250 rpm. | |
| Maximum speed: | 300 km/h | 306 km/h | 208 km/h |
| Acceleration from 0 to 100 km/h: | 5.8 sec | 4.2 sec | 7.9 sec |
| Torque: | 570 Nm @ 4000 rpm. | 680 Nm @ 3000-4500 rpm. | 210 Nm |
| Engine position: | Front, longitudinal | Front, longitudinal | |
| Engine displacement: | 5646 cm3 | 2979 cm3 | 2316 cm3 |
| Fuel System: | Multi-point injection | Direct injection | |
| Aspiration / Turbine: | BiTurbo | ||
| Position of cylinders: | V engine | Inline | |
| Valvetrain: | OHC | ||
| Number of cylinders: | 12 | 6 | 6 |
| Number of valves per cylinder: | 2 | 4 | |
| Compression ratio: | 10 | 10.2 | |
| Piston Stroke: | 81 mm | 89.6 mm | |
| Cylinder Bore: | 86 mm | 84 mm | |
| Wheel Drive: | Rear wheel drive | Rear wheel drive | |
| Number of Gears (automatic transmission): | - | 8 Switch-Tronic | |
| Number of Gears (manual transmission): | 6 | ||
| Length: | 4780 mm | 4640 mm | |
| Width: | 1855 mm | 1825 mm | |
| Height: | 1330 mm | 1373 mm | |
| Wheelbase: | 2684 mm | 2810 mm | |
| Front track: | 1560 mm | 1552 mm | |
| Rear (Back) track: | 1552 mm | 1576 mm | |
| Minimum volume of Luggage (trunk): | 320 l | 445 l | |
| Front suspension: | Wishbone | ||
| Rear suspension: | Helical spring | ||
| Max weight: | 2300 kg | 2135 kg | |
| Front brakes: | Ventilated discs | Ventilated discs | |
| Rear brakes: | Ventilated discs | Ventilated discs | |
| Kerb Weight: | 1865 kg | 1615 kg | |
| ABS: | yes | yes | |
| Steering type: | Steering rack and pinion | ||
| Power steering: | Hydraulic Steering | Electric Steering | |
| Permitted trailer load with brakes (12%): | 1700 kg | ||
| Permitted trailer load without brakes: | 750 kg | ||
| Tire size: | 245/40 ZR 18; 285/35 ZR 18 | 245/30 ZR20; 265/30 ZR20 | |
| Wheel rims size: | 8J x 20; 9J x 20 |