Compare Alpina Roadster S vs BMW M4 G83 Convertible
Capacity
Cargo Capacity
240 L / 8.5 cu-ft ~ 260 L / 9.2 cu-ft
300 L / 10.6 cu-ft ~ 385 L / 13.6 cu-ft
Engine Oil Capacity
7.0 L / 7.4 qt
Fuel Capacity
55.0 L / 14.5 gal
59.0 L / 15.6 gal
Passengers
2
4
Payload
300 kg / 661 lbs
425 kg / 937 lbs
Chassis
Brakes | Front
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
Ventilated discs
Power Steering
Electric Steering
Steering Ratio
14.6
Suspension | Front
MacPherson strut
MacPherson strut
Suspension | Rear
Double-wishbone
Multi-link
Tire Size
235/35 R19, 265/30 R19
Front wheel tires: 275/35 R19 Rear wheel tires: 285/30 R20
Tire Size | Front
275/35 ZR19 100Y XL
Tire Size | Rear
285/30 ZR20 99Y XL
Turning Circle
9.8 m / 32.1 ft
12.6 m / 41.3 ft
Construction
Body Style
2-door Convertible
2-door Convertible
Dimensions
Ground Clearance
121 mm / 4.8 in
Size | Height
1300 mm / 51.2 in
1395 mm / 54.9 in
Size | Length
4090 mm / 161.0 in
4794 mm / 188.7 in
Size | Width
1780 mm / 70.1 in
1887 mm / 74.3 in
Track Width | Front
1470.0 mm / 57.9 in
1617.0 mm / 63.7 in
Track Width | Rear
1520.0 mm / 59.8 in
1605.0 mm / 63.2 in
Weight
1320.0 kg / 2910.1 lbs
1920.0 kg / 4232.9 lbs
Wheel Size
8.5J-9.5J X 19
Front wheel rims: 9.5J x 19 Rear wheel rims: 10.5J x 20
Wheel Size | Front
9.5J x 19
Wheel Size | Rear
10.5J x 20
Wheelbase
2500 mm / 98.4 in
2857 mm / 112.5 in
Performance
Acceleration | 0 - 100 km/h
5.3 sec
3.7 sec
Acceleration | 0 - 60 mph
5.0 sec
3.5 sec
CO2 Emission
231 ~ 233 g/km
Coefficient Of Drag
0.34
Fuel Economy
15.0 L/100km / 15.7 MPG (urban) | 7.0 L/100km / 33.6 MPG (highway)
10.2 L/100km / 23.1 MPG (combined)
Top Speed
265.0 km/h / 164.7 mph
250.0 km/h / 155.3 mph
Powertrain
Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
Front-engine (longitudinal), All-wheel drive
Emission Standard
Euro 6d
Engine
S58B30T0
Engine | Bore
87.0 mm / 3.4 in
84.0 mm / 3.3 in
Engine | Compression Ratio
10.2:1
9.3:1
Engine | Displacement
3.3 L / 204.2 cu-in / 3346.0 cc
3.0 L / 182.6 cu-in / 2993.0 cc
Engine | Power
300.0 hp / 223.7 kW @ 6300 rpm
510.0 hp / 380.3 kW @ 6250 rpm
Engine | Redline
7200 rpm
Engine | Specific Output
89.7 hp/L / 1.5 hp/cu-in
170.4 hp/L / 2.8 hp/cu-in
Engine | Stroke
93.8 mm / 3.7 in
90.0 mm / 3.5 in
Engine | Torque
362 Nm / 267.0 lb-ft @ 4800 rpm
650 Nm / 479.4 lb-ft @ 2750-5500 rpm
Engine | Type
Naturally-aspirated multi-port injected petrol inline-6 DOHC engine with 4 values per cylinder
Twin-scroll turbocharged direct-injected petrol inline-6 engine with 4 values per cylinder
Fuel Capacity
59 L
Transmission | Gears
5-speed
8-speed
Transmission | Type
Manual
Automatic M Steptronic
Production
Availability
2003 ~ 2006
2021
Debut
2021-05
Made In
Germany
Reviews
Neofiliac score
87%
78%
Pros
- Gorgeous styling
- Manual transmission
- Good performance
- Small turning circle
- Decent performance
- OK-ish styling with the top down
- Solid S58 engine
- Enjoyable 7200rpm redline
Cons
- Low cargo capacity
- Ugly front-end
- Stuck with MacPherson struts in the front
- AWD-only
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