The Alpina D5 Sedan (G30), specifically the S 3.0 (388 hp) AWD Switch-Tronic variant, represents a unique blend of luxury, performance, and diesel efficiency. Produced between October 2017 and October 2020, this model occupied a niche position within the BMW 5 Series (G30) generation, offering a high-performance diesel alternative to the standard BMW offerings and other Alpina models. It was positioned as the flagship diesel sedan in Alpina’s lineup, appealing to buyers seeking a refined grand tourer with impressive acceleration and long-distance comfort. The D5 Sedan is based on the BMW 5 Series platform (1HX0/A3) but extensively modified by Alpina to deliver a distinct driving experience.
Technical Specifications
| Brand | Alpina |
| Model | D5 |
| Generation | D5 Sedan (G30) |
| Type (Engine) | S 3.0 (388 Hp) AWD Switch-Tronic |
| Start of production | October, 2017 |
| End of production | October, 2020 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l) |
| Fuel consumption (extra urban) | 6 l/100 km (39.2 US mpg, 47.1 UK mpg, 16.7 km/l) |
| Fuel consumption (combined) | 6.6 l/100 km (35.6 US mpg, 42.8 UK mpg, 15.2 km/l) |
| CO2 emissions | 174 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 4.4 sec |
| Acceleration 0 – 62 mph | 4.4 sec |
| Acceleration 0 – 60 mph | 4.2 sec |
| Maximum speed | 286 km/h (177.71 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 5 kg/Hp, 201 Hp/tonne |
| Weight-to-torque ratio | 2.4 kg/Nm, 414.5 Nm/tonne |
| Power | 388 Hp @ 4000-5000 rpm |
| Power per litre | 129.6 Hp/l |
| Torque | 800 Nm @ 1750-2650 rpm (590.05 lb.-ft. @ 1750-2650 rpm) |
| Engine layout | Front, Longitudinal |
| Engine displacement | 2993 cm3 (182.64 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 16:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine systems | Particulate filter |
| Kerb Weight | 1930 kg (4254.92 lbs.) |
| Max. weight | 2470 kg (5445.42 lbs.) |
| Max load | 540 kg (1190.5 lbs.) |
| Trunk (boot) space – minimum | 530 l (18.72 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal | 14.52 UK gal) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4956 mm (195.12 in.) |
| Width | 1868 mm (73.54 in.) |
| Height | 1466 mm (57.72 in.) |
| Wheelbase | 2975 mm (117.13 in.) |
| Front track | 1611 mm (63.43 in.) |
| Rear (Back) track | 1596 mm (62.83 in.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission Switch-Tronic |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 255/35 ZR20; 295/30 ZR20 |
| Wheel rims size | 8.5J x 20; 10J x 20 |
Powertrain & Engine Architecture
At the heart of the D5 S 3.0 lies a 3.0-liter inline-six cylinder diesel engine, designated as the Alpina D5 S. While based on the BMW B57 engine family, Alpina significantly modified it with larger turbochargers, revised engine mapping, and a unique cooling system. The engine utilizes a diesel commonrail fuel injection system, delivering precise fuel metering for optimal combustion. The engine produces 388 horsepower at 4000-5000 rpm and a substantial 800 Nm (590 lb-ft) of torque between 1750 and 2650 rpm. A key component is the twin-turbocharger setup, providing both rapid response and high peak power. The engine also incorporates a particulate filter to meet stringent emissions standards. The power is transferred to all four wheels via a ZF 8-speed automatic transmission, specifically tuned by Alpina with their “Switch-Tronic” system. This system allows for manual gear selection via steering wheel-mounted paddles, offering a more engaging driving experience.
Driving Characteristics
The D5 S 3.0 delivers a remarkably smooth and refined driving experience. The high torque output ensures effortless acceleration in virtually any situation. The 0-60 mph sprint is dispatched in around 4.2 seconds, making it genuinely quick for a diesel sedan. The Switch-Tronic transmission provides seamless gear changes, whether in automatic or manual mode. Compared to the standard BMW 5 Series diesel models, the Alpina D5 offers a more responsive throttle and a more engaging overall feel. While not as overtly sporty as the M5, the D5 provides a confident and stable platform for spirited driving. The all-wheel-drive system provides excellent traction, particularly in adverse weather conditions. The suspension is tuned for comfort, but still offers good body control.
Equipment & Trim Levels
The Alpina D5 Sedan came generously equipped as standard. Interior features included premium leather upholstery, Alpina-specific interior trim (often featuring wood or carbon fiber), sport seats, and a comprehensive infotainment system. Standard exterior features included Alpina aerodynamic enhancements, unique alloy wheels, and a stainless steel exhaust system. Optional extras included a panoramic sunroof, upgraded sound system, and various driver assistance systems. The interior trim was generally more luxurious than the standard 5 Series, with a focus on high-quality materials and craftsmanship.
Chassis & Braking
The D5 Sedan utilizes a modified version of the BMW 5 Series chassis, with Alpina-tuned suspension components. The suspension features stiffer springs and dampers, along with a larger stabilizer bars, to improve handling and reduce body roll. The braking system consists of ventilated discs all around, providing ample stopping power. The Alpina D5 S typically featured larger brake rotors and calipers compared to the standard 5 Series models.
Market Reception & Comparison
The Alpina D5 Sedan was generally well-received by automotive critics. It was praised for its blend of performance, luxury, and efficiency. Compared to the BMW 540i, the D5 offered comparable acceleration but with significantly better fuel economy. Compared to other high-performance diesel sedans, such as the Audi SQ7, the D5 offered a more refined and luxurious driving experience. The D5’s higher price tag reflected its exclusivity and the extensive modifications made by Alpina.
Legacy
The Alpina D5 Sedan (G30) represents a high point in the development of high-performance diesel sedans. The powertrain has proven to be robust and reliable, with many examples still in active service today. On the used car market, the D5 S 3.0 commands a premium price due to its rarity, performance, and exclusivity. It remains a desirable option for buyers seeking a unique and refined grand tourer with impressive diesel efficiency.
