The Alpina D5 Sedan (F10), produced between 2011 and 2013, represents a unique blend of luxury, performance, and diesel efficiency. Based on the BMW 5 Series (F10) chassis, the D5 was meticulously engineered by Alpina, a renowned German automotive engineering company, to deliver a distinctive driving experience. It occupied a niche position, offering a high-performance diesel sedan alternative to the standard BMW offerings and competitors like the Mercedes-Benz E-Class. This particular variant, equipped with the 3.0-liter biturbo diesel engine producing 350 horsepower, aimed to provide a compelling combination of power, refinement, and long-distance comfort. The D5 Sedan was primarily marketed in Europe, where demand for high-performance diesels remained strong, and a smaller number were imported privately into other markets.
Technical Specifications
| Brand | Alpina |
| Model | D5 |
| Generation | D5 Sedan (F10) |
| Type (Engine) | 3.0 (350 Hp) BITURBO |
| Start of production | 2011 |
| End of production | 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 7 l/100 km (33.6 US mpg, 40.4 UK mpg, 14.3 km/l) |
| Fuel consumption (extra urban) | 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg, 18.9 km/l) |
| Fuel consumption (combined) | 5.9 l/100 km (39.9 US mpg, 47.9 UK mpg, 16.9 km/l) |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 5.1 sec |
| Acceleration 0 – 62 mph | 5.1 sec |
| Acceleration 0 – 60 mph | 4.8 sec |
| Maximum speed | 275 km/h (170.88 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 5.3 kg/Hp, 187.7 Hp/tonne |
| Weight-to-torque ratio | 2.7 kg/Nm, 375.3 Nm/tonne |
| Power | 350 Hp @ 4000 rpm |
| Power per litre | 116.9 Hp/l |
| Torque | 700 Nm @ 1500-3000 rpm (516.29 lb.-ft. @ 1500-3000 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 | 16.5:1 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Twin-Turbo, Intercooler |
| Engine systems | Particulate filter |
| Kerb Weight | 1865 kg (4111.62 lbs.) |
| Max. weight | 2455 kg (5412.35 lbs.) |
| Max load | 590 kg (1300.73 lbs.) |
| Trunk (boot) space – minimum | 520 l (18.36 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4905 mm (193.11 in.) |
| Width | 1860 mm (73.23 in.) |
| Height | 1469 mm (57.83 in.) |
| Wheelbase | 2968 mm (116.85 in.) |
| Front track | 1599 mm (62.95 in.) |
| Rear (Back) track | 1599 mm (62.95 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 8 gears, automatic transmission |
Powertrain & Engine Architecture
The heart of the Alpina D5 Sedan is the 3.0-liter inline-six cylinder diesel engine, designated as the N57D30. However, Alpina significantly modified the engine from its standard BMW counterpart. The most notable change is the implementation of a twin-turbocharger system, utilizing two variable geometry turbochargers (VGTs) to deliver both rapid response and high peak power. The engine employs a Bosch common rail direct injection system, operating at extremely high pressures (2000 bar) to optimize fuel atomization and combustion efficiency. Alpina also revised the engine’s cooling system, intake and exhaust systems, and engine management software to handle the increased power output and ensure long-term reliability. The engine produces 350 horsepower at 4000 rpm and a substantial 700 Nm (516 lb-ft) of torque available from a low 1500 rpm, sustaining through 3000 rpm. This broad torque curve is a hallmark of the D5’s driving experience. The engine is paired with a ZF 8-speed automatic transmission, specifically tuned by Alpina for smooth and responsive shifts. This transmission features Alpina’s “Switch-Tronic” system, allowing for manual gear selection via steering wheel-mounted paddles.
Driving Characteristics
The D5 Sedan’s driving experience is characterized by effortless performance and refined comfort. The abundant torque allows for strong acceleration in any gear, making overtaking maneuvers easy and safe. The 0-60 mph sprint is dispatched in approximately 4.8 seconds, and the car boasts a top speed of 170.88 mph. The 8-speed automatic transmission contributes to a relaxed cruising experience, with well-chosen gear ratios that keep the engine operating within its optimal efficiency range. Compared to the standard BMW 5 Series diesel models, the D5 offers a noticeably more responsive throttle and a more engaging driving feel. While not as overtly sporty as the BMW 550i, the D5 provides a compelling balance between performance and luxury. The suspension is tuned for comfort, absorbing bumps and imperfections in the road with ease, yet still providing adequate body control during cornering.
Equipment & Trim Levels
The Alpina D5 Sedan came generously equipped as standard. Interior features typically included premium leather upholstery, Alpina-specific interior trim (often featuring wood or carbon fiber accents), heated and ventilated front seats, a high-end audio system, and a comprehensive suite of driver assistance systems. Standard exterior features included Alpina’s signature aerodynamic body kit, including a front spoiler, side skirts, and a rear spoiler. Unique Alpina 20-inch alloy wheels were also standard. Optional extras included a panoramic sunroof, upgraded leather options, and a rear-seat entertainment system. The overall interior ambiance was one of understated luxury and craftsmanship, reflecting Alpina’s commitment to detail.
Chassis & Braking
The D5 Sedan utilizes the BMW 5 Series’ chassis as a foundation, but with Alpina-specific modifications. The suspension features revised spring rates and dampers, optimized for both comfort and handling. The car is equipped with a multi-link rear suspension, providing excellent ride quality and stability. Braking duties are handled by high-performance brakes, typically featuring large ventilated discs at all four corners. The D5 also incorporates ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), and other electronic stability aids to enhance safety and control. Tire sizes are typically 255/35 ZR20 at the front and 285/30 ZR20 at the rear, providing ample grip.
Market Reception & Comparison
The Alpina D5 Sedan was generally well-received by automotive critics. It was praised for its powerful engine, refined ride, and luxurious interior. Critics noted that the D5 offered a unique alternative to the standard BMW 5 Series, providing a more exclusive and engaging driving experience. Compared to the BMW 535d, the D5 offered significantly more power and a more sophisticated driving experience. However, it also came at a higher price point. Fuel economy was also a strong point, with the D5 achieving around 39.9 US mpg on the combined cycle. Reliability was generally good, although the complex twin-turbocharger system required careful maintenance.
Legacy
The Alpina D5 Sedan (F10) remains a desirable vehicle in the used car market. Its combination of performance, luxury, and diesel efficiency continues to appeal to enthusiasts. The 3.0-liter biturbo diesel engine has proven to be relatively reliable, provided it has been properly maintained. However, potential buyers should be aware of the potential costs associated with maintaining the twin-turbocharger system and the common rail injection system. The D5 represents a high point in Alpina’s history, showcasing the company’s ability to create unique and compelling automobiles that blend performance, luxury, and German engineering excellence. It’s a testament to the enduring appeal of the high-performance diesel sedan.
