| General information |
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| Brand | Alpina |
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| Model | B4 |
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| Generation | B4 Cabrio (facelift 2017) |
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| Modification (Engine) | S 3.0 (440 Hp) Switch-Tronic |
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| Start of production | 2017 year |
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| End of production | 2019 year |
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| Powertrain Architecture | Internal Combustion engine |
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| Body type | Cabriolet |
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| Seats | 4 |
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| Doors | 2 |
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| Performance specs |
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| Fuel consumption (economy) - urban |
11.1 l/100 km
21.19 US mpg25.45 UK mpg9.01 km/l |
| Fuel consumption (economy) - extra urban |
6.7 l/100 km
35.11 US mpg42.16 UK mpg14.93 km/l |
| Fuel consumption (economy) - combined |
8.3 l/100 km
28.34 US mpg34.03 UK mpg12.05 km/l |
| CO2 emissions | 190 g/km |
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| Fuel Type | Petrol (Gasoline) |
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| Acceleration 0 - 100 km/h | 4.3 sec |
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| Acceleration 0 - 62 mph | 4.3 sec |
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| Acceleration 0 - 60 mph | 4.1 sec |
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| Maximum speed |
304 km/h
188.9 mph |
| Emission standard | Euro 6 |
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| Weight-to-power ratio | 4.4 kg/Hp, 229.8 Hp/tonne |
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| Weight-to-torque ratio | 2.9 kg/Nm, 344.6 Nm/tonne |
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| Engine specs |
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| Power | 440 Hp @ 5500-6250 rpm. |
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| Power per litre | 147.7 Hp/l |
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| Torque |
660 Nm @ 3000-4500 rpm.
486.79 lb.-ft. @ 3000-4500 rpm. |
| Engine location | Front, Longitudinal |
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| Engine displacement |
2979 cm3
181.79 cu. in. |
| Number of cylinders | 6 |
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| Position of cylinders | Inline |
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| Cylinder Bore |
84 mm
3.31 in. |
| Piston Stroke |
89.6 mm
3.53 in. |
| Compression ratio | 10.2 |
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| Number of valves per cylinder | 4 |
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| Fuel System | Direct injection |
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| Engine aspiration | BiTurbo, Intercooler |
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| Space, Volume and weights |
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| Kerb Weight |
1915 kg
4221.85 lbs. |
| Max. weight |
2300 kg
5070.63 lbs. |
| Max load |
385 kg
848.78 lbs. |
| Trunk (boot) space - minimum |
220 l
7.77 cu. ft. |
| Trunk (boot) space - maximum |
370 l
13.07 cu. ft. |
| Fuel tank capacity |
60 l
15.85 US gal | 13.2 UK gal |
| Permitted trailer load with brakes (12%) |
1700 kg
3747.86 lbs. |
| Permitted trailer load without brakes |
750 kg
1653.47 lbs. |
| Dimensions |
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| Length |
4640 mm
182.68 in. |
| Width |
1825 mm
71.85 in. |
| Height |
1380 mm
54.33 in. |
| Wheelbase |
2810 mm
110.63 in. |
| Front track |
1552 mm
61.1 in. |
| Rear (Back) track |
1576 mm
62.05 in. |
| Drivetrain, brakes and suspension specs |
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| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
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| Drive wheel | Rear wheel drive |
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| Number of Gears (automatic transmission) | 8 Switch-Tronic |
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| Front brakes | Ventilated discs |
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| Rear brakes | Ventilated discs |
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| Assisting systems | ABS (Anti-lock braking system) |
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| Steering type | Steering rack and pinion |
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| Power steering | Electric Steering |
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| Tires size | 245/30 ZR20; 265/30 ZR20 |
| Wheel rims size | 8J x 20; 9J x 20 |
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