BMW Alpina B5 GT Packs the Tuner’s Strongest Engine, Produces 634 HP

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The BMW Alpina B5 GT is the new limited production model from the tuner. The B5 GT, available as a sedan or wagon, also packs Alpina’s most powerful engine yet.

The B5 GT features BMW’s 4.4-liter twin-turbocharged V8 engine that produces 634 horsepower (466 kilowatts) and 626 pound-feet (850 Newton-meters) of torque in the tuned sample. Alpina added flow-optimized air intake ducks and air intake dampers while updating the engine software and increasing pressure. That makes 13 hp (9 kW) and 36 lb-ft (50 Nm) more than the engine’s stock output.

A tuned 5 Series sedan can reach 62 miles per hour (100 kilometers per hour) in less than 3.4 seconds while heading for a 205-mph (330-kph) top speed. The wagon takes less than 3.6 seconds to complete the sprint and can accelerate to more than 200 mph (322 kph). Alpina directs power through an updated eight-speed automatic transmission, with four-piston Brembo brakes and 15.5-inch front rotors, and a 15.7-inch rear rotor providing braking power.

Two twin tailpipes extend back, coated in titanium nitride for a black finish. Alpina offers the B5 GT with a 20-inch 20-spoke Classic wheel design finished exclusively on Marron Volciano.

Alpina will offer the B5 GT in standard blue or green exterior colors. However, the tuner will also be stocking six special ones: Arctic Race Blue, Petrol Mica, Verde British Racing, Chalk, Imola Red and Daytona Violet. Inside, Nappa leather is standard, but full Merino leather is available, along with many other trim options and interior upgrades, such as Alpina’s Walnut Anthracite fine wood trim.

The tuner is also offering a bespoke seat model available in limited quantities and adding better cushioned sports seats covered in black Dakota leather with black Alcantara seat inserts, blue accents, and Alpina branding.

The BMW Alpina B5 GT is available to order now. Shipping starts this July. The sedan starts at 145,500 euros ($157,889 at today’s exchange rates), while the wagon commands 148,500 euros ($161,144) to start (All prices include 19% VAT, and reflect only the German market).

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