The 2025 Alpina B3 GT Touring arrives as a high‑performance estate that directly challenges the BMW M3 Touring, offering a top speed near 190 mph and a torque figure that exceeds its German rival.
Powertrain and performance
Alpina has placed the S58 3‑litre twin‑turbo straight‑six from the M3 into the B3 GT’s chassis, delivering 522 bhp and a remarkable 538 lb‑ft of torque. The torque advantage is notable; the M3 Touring’s CS version makes 479 lb‑ft, while the Alpina pushes well beyond that.
Fuel consumption sits in the mid‑20s mpg range, with a best‑case stretch toward 30 mpg on long runs.
Exterior and aerodynamics
Visually, the B3 GT sheds the M3’s aggressive kidney‑grille and swollen arches, opting for a more understated narrow‑body silhouette. A Porsche Brewster Green paint option (costing £4,260) and gold‑accented details add a subtle flair, while 20‑inch wheels and GT‑specific decals complete the look.
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Subtle aero devices differentiate the model: front canards, a deeper front splitter, and a rear diffuser aim to improve stability at speed. Under the bonnet, Alpina‑branded strut braces—finished in the same gold hue—highlight the engineering focus.
Interior quality and technology
The cabin emphasizes luxury with Nappa leather covering the instrument panel (£1,450 value) and Alpina‑branded floor mats. A central plaque confirms the special‑edition status, and carbon‑fibre trim carries the brand’s roundels.
Handling and ride comfort
On smoother roads, the chassis settles into a balanced ride, with spring and damper rates tuned for high‑speed stability. Grip remains strong even on modest tyre widths (265 mm rear, 255 mm front).
Braking is handled by perforated discs with unique pads and Alpina‑stamped calipers, delivering a linear pedal feel from start to finish. The system feels appropriately sized for the vehicle’s performance envelope.
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In comparison to earlier Alpina estates, this model leans more toward a true grand‑tourer character while still managing the everyday comfort expected of the brand. The blend of high output and a relatively soft suspension mirrors the approach seen in some high‑performance sedans from the early 2010s, where manufacturers aimed to combine long‑distance comfort with track‑ready capability.
Pricing and market position
Starting at £92,740, the B3 GT Touring sits just above the facelifted M3 Touring, which begins at £89,435. Options such as full Merino leather (£3,800), a panoramic sunroof (£1,550), and the Driving Assistant Professional package (£2,000) can quickly raise the price; a test vehicle equipped with these extras reached £105,315.
Alpina’s limited production numbers mean few of these estates will appear on the road, and with the brand’s uncertain future, the B3 GT could represent one of its final high‑performance offerings.
