Home/Alpina/4 Series/2025–2026 Alpina 4 Series B4 GT Gran Coupé

2025–2026 Alpina 4 Series B4 GT Gran Coupé Specs & Performance

2nd Gen

2025, 2026

Medium CoupeGasolineall-wheel-drive-awddiscontinued

Compare with other trims

Tech Specs Summary

MSRP:$115,000 – $130,000

Power: 522 hp
0-60 mph: 3.4s
Top Speed: 190 mph
Economy: 22.1 mpg
Drivetrain: AWD
Seats: 5
Doors: 4
Luggage: 16.6-45.6 ft³
Weight: 4,167 lbs

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Performance & Efficiency

Speed & Power

Top Speed: 190 mph
Power: 522 hp
Torque: 538 lb·ft
0-60 mph: 3.4s
0-62 mph: 3.5 seconds
0-124 mph: 11.6 seconds
Power-to-Weight: 7.98 lb/hp

Efficiency & Range

Combined: 22.1 mpg
Total Range: 345 Miles
WLTP Low: 13.2 mpg
WLTP Medium: 22.1 mpg
WLTP High: 26.7 mpg
WLTP Extra-High: 25.8 mpg
Tailpipe CO₂: 388 g/Mile

Engine & Powertrain

Gasoline Engine

Capacity: 3 Liter
Layout: Inline 6
Aspiration: Bi-Turbo
Peak Power: 522 hp @ 6,250 RPM
Peak Torque: 538 lb·ft @ 2,500 RPM
Valvetrain: DOHC
Valves/Cylinder: 4 (24v Total)
Fuel Delivery: Direct Injection
Fuel: Gasoline
Position: Front Engine
Orientation: Longitudinal
Fuel Tank Capacity: 15.6 Gallons

Engine Details

Engine Name: BMW S58B30
Specific Output: 2.85 hp/in³
Power/Cylinder: 87 hp
Cylinder Volume: 30.5 in³
Bore x Stroke: 3.307 x 3.543 in
Bore-Stroke Ratio: 0.93:1
Compression Ratio: 9.3:1
BMEP: 444.5 PSI

Drivetrain & Chassis

Drivetrain

Driven Wheels: AWD = All-Wheel Drive
Transmission (AT): 8 Speeds

Suspension, Brakes & Tyres

Front Suspension: MacPherson Strut
Rear Suspension: Multi-Link
Front Brakes: Vented Disc
Rear Brakes: Vented Disc
Front Tyre Size: 255/35 ZR20
Rear Tyre Size: 285/30 ZR20

Dimensions & Practicality

Outline is illustrative, not to scale.

Size

Length: 189 in
Width: 72.8 in
Height: 56.7 in
Wheelbase: 112.4 in
Front Track: 62.7 in
Rear Track: 62.5 in

Capacity & Seating

Body: Medium Coupe
Door Count: 4
Seat Count: 5
Luggage Space: 16.6-45.6 ft³

Weight & Towing

Curb Weight: 4,167 lbs
Gross Weight: 5,291 lbs
Maximum Payload: 1,124 lbs
Towing Capacity: 1,653-3,968 lbs

Other Alpina 4 Series Trims & Years

Compare with other trims

2nd Gen · 2022–2026 · this generation

Generation overview

2025–2026 D4 S Gran CoupéDiesel · all-wheel-drive-awd · 350 hp$100,000 – $115,000
2025–2026 B4 GT Gran CoupéGasoline · all-wheel-drive-awd · 522 hpViewing
2022–2024 D4 S Gran Coupé AWDDiesel · all-wheel-drive-awd · 350 hp$95,000 – $110,000
2022–2024 B4 Gran Coupé AWDGasoline · all-wheel-drive-awd · 488 hp$105,000 – $120,000

1st Gen · 2014–2019 · 8 cars

1st Gen overview

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Home/Alpina/4 Series/2025–2026 Alpina 4 Series B4 GT Gran Coupé

2025–2026 Alpina 4 Series B4 GT Gran Coupé Specs & Performance

2nd Gen

2025, 2026

Medium CoupeGasolineall-wheel-drive-awddiscontinued

Compare with other trims

Tech Specs Summary

MSRP:$115,000 – $130,000

Power: 522 hp
0-60 mph: 3.4s
Top Speed: 190 mph
Economy: 22.1 mpg
Drivetrain: AWD
Seats: 5
Doors: 4
Luggage: 16.6-45.6 ft³
Weight: 4,167 lbs

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