2021 BMW M5 CS (F90) vs 2023 Alpina B5 GT (G30)

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SummaryPerformanceEngineDrivetrainPracticality

BMW M5 CS

(2021 - 2022)

...M5 CS

Alpina B5 GT

(2023 - 2024)

...B5 GT

Engine
4.4 L V8 Bi-Turbo	4.4 L V8 Bi-Turbo
Drivetrain
Front - 4WD	Front - AWD
Top Speed
190 mph	205 mph
Acceleration
3.0 sec	3.4 sec
Total Power
626 BHP	625 BHP
Economy
25.9 mpg	24.4 mpg
Kerb Weight
1,825 kg	1,980 kg
Luggage
530 L	530 L
Top Speed
190 mph / 306 Km/h	205 mph / 330 Km/h
0-62 mph
3.0 seconds	3.4 seconds
Power-to-Weight
343 BHP/Tonne / 2.92 kg/BHP	316 BHP/Tonne / 3.17 kg/BHP
Total Power
626 BHP / 635 ps	625 BHP / 634 ps
Total Torque
553 lb·ft / 750 N·m	627 lb·ft / 850 N·m
Economy
25.9 mpg	24.4 mpg
Total Range
387 Miles	364 Miles
CO₂ Emissions
253 g/Km	263 g/Km
UK Tax Cost
£200	£200
Model Platform
5 Series (17-24)	5 Series (17-24)
Doors
4	4
Seats
4	5
Cargo Space
530 L	530 L
Turning Circle
12.6 m	12.2 m
Kerb Weight
1,825 kg	1,980 kg
Gross Weight
2,290 kg	2,520 kg
Tow Capacity
	750-2,000 kg
Length
5,001 mm	4,978 mm
Width
1,903 mm	1,868 mm
Height
1,468 mm	1,466 mm
Wheelbase
2,982 mm	2,975 mm
Front Track
1,625 mm	1,611 mm
Rear Track
1,594 mm	1,596 mm
Engine Name
S63B44	N63B44
Configuration
V8	V8
Displacement
4.4 Litre / 4,395 cc	4.4 Litre / 4,395 cc
Peak Power
626 BHP / 635 ps	625 BHP / 634 ps
Peak Torque
553 lb·ft / 750 N·m	627 lb·ft / 850 N·m
Specific Output
142 BHP/L	142 BHP/L
Aspiration
Bi-Turbo	Bi-Turbo
Valvetrain
DOHC	DOHC
Valves/Cylinder
4 (32v Total)	4 (32v Total)
Fuel
Petrol	Petrol
Compression
10:1	10.5:1
Bore x Stroke
89 x 88.3 mm	89 x 88.3 mm
Fuel Delivery
Direct Injection	Direct Injection
Position
Front	Front
Orientation
Longitudinal	Longitudinal
Fuel Tank
68 L	68 L
Driven Wheels
Rear-biased Part-time All (4WD)	All (AWD)
Front Tyres
275/35R20 Y	255/35 ZR20
Rear Tyres
285/35R20 Y	295/30 ZR20
Gearbox (AT)
8 Gears	8 Gears
Front Brakes
Vented Disc	Vented Disc
Rear Brakes
Vented Disc	Vented Disc
Front Suspension
Double Wishbone	Double Wishbone
Rear Suspension
Multi-Link	Multi-Link