The sedan Alpina B9 1981 - 1985 year modification 3.4 MT (240 hp)

Alpina B9: A Classic German Sedan with Performance Heritage

The Alpina B9, produced between 1981 and 1985, is a remarkable example of German engineering and performance tuning. Based on the BMW 5 Series (E28), this sedan combines luxury with sporty dynamics, making it a standout in its class. With its 3.4-liter inline-6 petrol engine and 5-speed manual transmission, the B9 delivers a driving experience that is both refined and exhilarating. Its rear-wheel-drive setup ensures a balanced and engaging ride, while its timeless design continues to turn heads even decades after its production ended.

Performance and Engineering

At the heart of the Alpina B9 lies a 3.4-liter inline-6 petrol engine, producing 240 horsepower at 5700 rpm and 310 Nm of torque at 4500 rpm. This powerplant, paired with a 5-speed manual transmission, allows the B9 to accelerate from 0 to 100 km/h in just 6.7 seconds, reaching a top speed of 240 km/h. The engine features a distributed injection system and 4 valves per cylinder, ensuring efficient fuel delivery and optimal performance. The rear-wheel-drive configuration enhances the car's handling, making it a joy to drive on both winding roads and highways.

Design and Dimensions

The Alpina B9 boasts a classic sedan design with dimensions that strike a perfect balance between elegance and practicality. Measuring 4620 mm in length, 1700 mm in width, and 1415 mm in height, the B9 offers ample space for passengers while maintaining a sleek profile. Its 2628 mm wheelbase contributes to a stable and comfortable ride. The car's timeless styling, characterized by clean lines and subtle Alpina branding, ensures that it remains a head-turner even in modern traffic.

Suspension and Braking

The Alpina B9 is equipped with an independent spring suspension system on both the front and rear axles, providing a smooth and controlled ride. The ventilated disc brakes at the front and standard disc brakes at the rear ensure reliable stopping power, even at high speeds. This combination of suspension and braking systems makes the B9 a capable performer, whether navigating city streets or tackling winding country roads.

Pros and Cons

The Alpina B9 offers a unique blend of performance, luxury, and heritage, but like any car, it has its strengths and weaknesses.

• Pros: The B9's powerful 3.4-liter engine and rear-wheel-drive setup deliver an engaging driving experience. Its timeless design and Alpina branding make it a collector's item. The independent suspension and ventilated disc brakes ensure excellent handling and safety.
• Cons: As a vintage car, maintenance and parts availability can be challenging. The fuel efficiency of the 3.4-liter engine may not meet modern standards. The lack of modern amenities like advanced infotainment systems could be a drawback for some buyers.

Historical Context and Legacy

The Alpina B9 was introduced during a time when performance sedans were gaining popularity among enthusiasts who sought both luxury and speed. Alpina, known for its high-performance modifications to BMW vehicles, created the B9 as a refined yet powerful alternative to standard models. Its limited production run from 1981 to 1985 adds to its exclusivity, making it a sought-after classic today. The B9's legacy lies in its ability to combine everyday usability with thrilling performance, a philosophy that continues to influence Alpina's modern offerings.

Conclusion

The Alpina B9 is more than just a car; it's a piece of automotive history. With its powerful engine, precise handling, and timeless design, it represents the pinnacle of 1980s German engineering. While it may lack some modern conveniences, its driving dynamics and heritage make it a compelling choice for collectors and enthusiasts alike. If you're looking for a classic sedan that offers both performance and prestige, the Alpina B9 is a worthy contender.