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Alpina B5 Touring (G31) 4.4 V8 BiTurbo (608 Hp) AWD Switch-Tronic
Overall Rating
Alpina B5:
The Alpina B5 and D5 are a series of high performance executive cars manufactured by German Automobile manufacturer Alpina. Introduced at the 2017 Geneva Motor Show, the car is the third generation of the B5 and succeeds the Alpina B5. Based on the BMW 5 Series , the car is available in both saloon and wagon bodystyles.
Based on the 540i X-Drive, but the B5 uses a modified 4. 4-litre N63 twin-turbocharged V8 called the N63TU2. Modifications include a re-designed air intake, cooling system, higher compression Mahle pistons, twin-scroll Garrett turbos, a larger intercooler, new NGK spark plugs and revised ECU map. A lighter exhaust system also reduces back pressure. This allows a higher power output of 447 kW and 800 N⋅m of torque. Due to the higher torque output, the 8-speed automatic transmission, manufactured by ZF, uses stronger internals. Alpina TCU mapping allows quicker shift times and launch control. The transmission allows 100 launches before disabling the feature to preserve reliability....(Read more on Wikipedia)
Touring (G31) Overview:
Alpina B5 (Touring (G31)). With 800 Nm of torque, it offers ample pulling power. At around 2050 kg, it’s on the heavier side. All‑wheel drive provides excellent grip, ideal for off‑road use. Acceleration is excellent (0–100 km/h in 3.6 s). The top speed reaches 325 km/h. A car with an extended rear cargo area, combining passenger comfort with increased storage. Seating for 5 makes it ideal for daily use.
4.4 V8 BiTurbo (608 Hp) AWD Switch-Tronic Verdict:
Performance Verdict
This 4.4L V8 BiTurbo engine delivers phenomenal performance, with 608 Hp and 800 Nm of torque, propelling the B5 Touring from 0-100 km/h in a blistering 3.6 seconds. It offers relentless acceleration and a top speed of 325 km/h, making it one of the fastest wagons globally.
Fuel Economy
For a high-performance V8 BiTurbo engine of this caliber, a combined fuel consumption of 10.4 l/100 km (22.6 mpg US) is respectable, though urban driving sees it rise significantly to 14.7 l/100 km. It's an expected trade-off for such power.
Pros and Cons:
Pros:
- • Blistering performance in a practical wagon body
- • Exceptional comfort and refinement for long journeys
- • Exclusivity and understated styling compared to M-cars
- • High-quality interior materials and craftsmanship
- • Sophisticated AWD system for all-weather capability
Cons:
- • Very high purchase price and running costs
- • Fuel consumption is significant, especially in urban areas
- • Subtle styling might not appeal to all performance enthusiasts
- • Complex V8 engine can lead to higher maintenance expenses
- • Limited availability and specialist servicing required
Specifications:
Specifications are compared to those of the previous generation(Touring (G31, facelift 2020): October, 2020 - ).
| General: | |
|---|---|
| Brand: | Alpina |
| Model: | B5 |
| Generation: | Touring (G31) |
| Modification (Engine): | 4.4 V8 BiTurbo (608 Hp) AWD Switch-Tronic |
| Start of production: | September, 2017 |
| End of production: | October, 2020 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Station wagon (estate) |
| Seats: | 5 |
| Doors: | 5 |
| Engine: | |
|---|---|
| Power: | 608 Hp @ 5750-6250 rpm. Same horsepower |
| Power per litre: | 138.3 Hp/l [22mm less] |
| Torque: | 800 Nm @ 3000-5000 rpm. |
| Engine displacement: | 4395 |
| Number of cylinders: | 8 |
| Engine configuration: | V-engine |
| Fuel injection system: | Direct injection |
| Engine aspiration: | Twin-Turbo, Intercooler |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 89 mm |
| Piston Stroke: | 88.3 mm |
| Compression ratio: | 10:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - urban: | 14.7 l/100 km |
| Fuel consumption (economy) - extra urban: | 7.9 l/100 km |
| Fuel consumption (economy) - combined: | 10.4 l/100 km |
| Emission standard: | Euro 6 |
| Acceleration 0 - 100 km/h: | 3.6 sec |
| Acceleration 0 - 62 mph: | 3.6 sec |
| Maximum speed: | 325 km/h |
| Weight-to-power ratio: | 3.4 kg/Hp, 296.6 Hp/tonne |
| Weight-to-torque ratio: | 2.6 kg/Nm, 390.2 Nm/tonne |
| Acceleration 0 - 60 mph: | 3.4 sec |
| Space: | |
|---|---|
| Kerb Weight: | 2050 |
| Max. weight: | 2610 |
| Max load: | 560 |
| Trunk (boot) space - maximum: | 1700 l |
| Trunk (boot) space - minimum: | 570 l |
| Fuel tank capacity: | 66 l |
| Permitted trailer load without brakes: | 750 kg |
| Permitted trailer load with brakes (8%): | 2000 kg |
| Size: | |
|---|---|
| Length: | 4956 mm [22mm less] |
| Width: | 1860 mm [8mm less] |
| Height: | 1466 mm [Same height.] |
| Wheelbase: | 2975 mm [Same wheelbase.] |
| Front track: | 1611 mm |
| Rear (Back) track: | 1596 mm |
| Powertrain: | |
|---|---|
| Drive wheel | All wheel drive (4x4) |
| Number of gears | 8 |
| Transmission type | Automatic |
| Gearbox type | Switch-Tronic |
| Front brakes | Ventilated discs [Best for performance and cooling.] |
| Rear brakes | Ventilated discs [Best for performance and cooling.] |
| Assisting systems | ABS (Anti-lock braking system) |
| Power steering | Electric Steering |
| Tires size | 255/35 R20; 285/30 R20 |
| Wheel rims size | 8.5J x 20; 10J x 20 |
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