2023 BMW Alpina B5 GT vs BMW M5 Competition Comparison

2023 BMW Alpina B5 GT vs BMW M5 Competition: Which is Better?

The renowned German tuner, Alpina, has recently announced its full integration into the BMW family by 2025, bidding farewell with the exclusive 2023 BMW Alpina B5 GT—a limited edition model available in Europe and Asia, but unfortunately not in the U.S. Alpina’s close-knit partnership with BMW goes beyond the typical tuner relationship, despite being an independent automaker based in Germany. On the other hand, the BMW M5 impresses with its 600-horsepower twin-turbo V8 engine and all-wheel drive, offering an even more thrilling experience with the optional Competition package. Although the Cadillac CT5-V Blackwing boasts a louder exhaust, the M5 stands out for its refined comfort and exceptional performance, making it a top competitor in the premium sports sedan segment.

BMW Alpina B5 GTBMW M5 Competition
Dimensions196.0 in x 73.5 in x 57.7 in196.4 in x 74.9 in x 57.8 in
Enginetwin-turbo 4.4L V8twin-turbo 4.4L V8
Horsepower625 hp627 hp
Torque627 lb-ft553 lb-ft
0-60 MPH2.9-3.1 sec2.6 sec
0-100 MPHNA6.2 sec
Top-Speed204-205 mph190 mph
Specs

BMW Alpina B5 GT

2023 BMW Alpina B5 GT vs BMW M5 Competition

Engine, Power & Performance

The 2023 BMW Alpina B5 GT represents an impressive evolution of the B5, which has been available since 2018. It shares its foundation with the M550i and employs the formidable N63-generation twin-turbo 4.4-liter V-8, also found in the M5’s S63. However, the GT surpasses the regular B5 and standard M5 in power. Boasting a remarkable 625 horsepower achieved through a revised intake system and a new ECU. It falls just two horsepower short of the formidable BMW M5 CS. What truly sets the GT apart is its outstanding torque, boasting a substantial 627 pound-feet, a staggering 74 pound-feet more than the M5. The GT also boasts a center exhaust section, lending it a more robust and muscular sound. While the M5 exhibits a revvy and aggressive character, the Alpina B5 GT prioritizes low-down muscle. With peak torque readily available at 3500 rpm and minimal discernible lag.

Price & Features

The GT boasts additional “dive plane” wings integrated into its front bumper, enhancing stability at high speeds. It comes in both sedan and Touring station wagon versions. But with a limited production run—only 180 Tourings and a mere 70 sedans will be available. Surprisingly, the entire allocation is already sold-out, even with a starting price in Germany of $137,500 at the current exchange rates. In contrast to the standard B5, the GT variant boasts significant upgrades to enhance its performance. It features a newly added reinforcement piece on the front bulkhead, ensuring improved steering precision. The stiffer bump-stop rubbers and new brake pads further contribute to its enhanced driving experience.

BMW M5 Competition

2023 BMW Alpina B5 GT vs BMW M5 Competition

Engine, Power & Performance

The M5 commands respect with its impressive power, delivering a staggering 600 horsepower from its twin-turbo 4.4-liter V8 engine. Opt for the Competition model, and that number jumps even higher to 617 horses. On testing the Competition on a dynamometer, our suspicions were confirmed—it exceeded expectations. Both the standard M5 and the Competition model exceeded our expectations during rigorous testing. They showcased impressive acceleration, exceptional cornering grip, and formidable stopping power. The Competition model even outperformed the regular M5 at the Virginia International Raceway’s Grand Course. While some may bemoan the absence of a manual gearbox and the shift to all-wheel drive, this BMW showcases advanced technology that allows for 100 percent of torque to be sent to the rear wheels, inviting thrilling moments of tail-wagging fun.

Price & Features

The M5 serves as the solid base for crafting a full-size luxury sedan that exudes exhilarating power. If we were to personalize our own, we would opt for the striking Tanzanite Blue II metallic paint. With the Competition package, you have the freedom to select from three different 20-inch wheels adorned with non-run-flat tires, along with the enticing M Sport exhaust system, extended dark exterior trim pieces, and captivating M Shadowline headlights. Pricing for the M5 begins at $111,895 and extends up to $117,495 for the M5 Competition.

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