Compare Alpina Roadster S vs Alpina B3 E46 Convertible vs BMW M4 F83 Convertible
Variants
B3 3.3
B3 3.3 AT
B3 S
B3 S AT
M4
M4 DCT
M4 Competition
M4 Competition DCT
Capacity
Cargo Capacity
240 L / 8.5 cu-ft ~ 260 L / 9.2 cu-ft
300 L / 10.6 cu-ft
220 L / 7.8 cu-ft ~ 370 L / 13.1 cu-ft
Coolant Capacity
13.9 L / 14.7 qt
Engine Oil Capacity
6.5 L / 6.9 qt
Fuel Capacity
55.0 L / 14.5 gal
63.0 L / 16.6 gal
60.0 L / 15.9 gal
Passengers
2
4
4
Payload
300 kg / 661 lbs
420 kg / 926 lbs
Chassis
Brakes | Front
Ventilated discs
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
Ventilated discs
Ventilated discs
Power Steering
Hydraulic Steering
Electric Steering
Suspension | Front
MacPherson strut
MacPherson strut
MacPherson strut
Suspension | Rear
Double-wishbone
Multi-link
Multi-link
Tire Size
235/35 R19, 265/30 R19
Turning Circle
9.8 m / 32.1 ft
12.2 m / 40.0 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Convertible
Dimensions
Size | Height
1300 mm / 51.2 in
1352 mm / 53.2 in
Size | Length
4090 mm / 161.0 in
4488 mm / 176.7 in
4671 mm / 183.9 in
Size | Width
1780 mm / 70.1 in
1757 mm / 69.2 in
Track Width | Front
1470.0 mm / 57.9 in
1471.0 mm / 57.9 in
1579.0 mm / 62.2 in
Track Width | Rear
1520.0 mm / 59.8 in
1472.0 mm / 58.0 in
Weight
1320.0 kg / 2910.1 lbs
1620.0 kg / 3571.5 lbs
Wheel Size
8.5J-9.5J X 19
Wheelbase
2500 mm / 98.4 in
2725 mm / 107.3 in
2812 mm / 110.7 in
Performance
Acceleration | 0 - 100 km/h
5.3 sec
Acceleration | 0 - 60 mph
5.0 sec
Coefficient Of Drag
0.34
Fuel Economy
15.0 L/100km / 15.7 MPG (urban) | 7.0 L/100km / 33.6 MPG (highway)
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), Rear-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Emission Standard
Euro 6
Engine
S55B30
Engine | Bore
87.0 mm / 3.4 in
84.0 mm / 3.3 in
Engine | Compression Ratio
10.2:1
10.2:1
10.2:1
Engine | Displacement
3.3 L / 204.2 cu-in / 3346.0 cc
3.0 L / 181.8 cu-in / 2979.0 cc
Engine | Power
300.0 hp / 223.7 kW @ 6300 rpm
Engine | Specific Output
89.7 hp/L / 1.5 hp/cu-in
Engine | Stroke
93.8 mm / 3.7 in
93.8 mm / 3.7 in
89.6 mm / 3.5 in
Engine | Torque
362 Nm / 267.0 lb-ft @ 4800 rpm
550 Nm / 405.7 lb-ft @ 1850-5500 rpm
Engine | Type
Naturally-aspirated multi-port injected petrol inline-6 DOHC engine with 4 values per cylinder
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
Transmission | Gears
5-speed
Transmission | Type
Manual
Production
Availability
2003 ~ 2006
Reviews
Neofiliac score
87%
71%
90%
Pros
- Gorgeous styling
- Manual transmission
- Good performance
- Small turning circle
- Classic Alpina styling
- Decent reliability
- Exceptionally gorgeous top up or down
- Great S55 engine
- Good manual transmission and decent DCT
Cons
- Low cargo capacity
- Horrible ZF 5HP automatic transmission
- Not the best soft-top for its price
- Quite heavy
- Does not handle all that well
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