Compare Alpina B3 E93 vs BMW M3 E46 Convertible vs BMW M4 F83 Convertible
Variants
M4
M4 DCT
M4 Competition
M4 Competition DCT
Capacity
Cargo Capacity
430 L / 15.2 cu-ft
300 L / 10.6 cu-ft
220 L / 7.8 cu-ft ~ 370 L / 13.1 cu-ft
Coolant Capacity
6.0 L / 6.3 qt
13.9 L / 14.7 qt
Engine Oil Capacity
5.5 L / 5.8 qt
6.5 L / 6.9 qt
Fuel Capacity
63.0 L / 16.6 gal
63.0 L / 16.6 gal
60.0 L / 15.9 gal
Passengers
4
4
4
Payload
355 kg / 783 lbs
445 kg / 981 lbs
Chassis
Brakes | Front
Ventilated discs
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
Disc
Ventilated discs
Power Steering
Hydraulic Steering
Electric Steering
Suspension | Front
MacPherson strut
MacPherson strut
MacPherson strut
Suspension | Rear
Multi-link
Multi-link
Multi-link
Tire Size
245/40 R18ZR, 265/40 R18ZR
225/45 R18, 255/40 R18
Turning Circle
11.0 m / 36.1 ft
12.2 m / 40.0 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Convertible
Dimensions
Size | Height
1395 mm / 54.9 in
1363 mm / 53.7 in
Size | Length
4580 mm / 180.3 in
4492 mm / 176.9 in
4671 mm / 183.9 in
Size | Width
1782 mm / 70.2 in
1780 mm / 70.1 in
Track Width | Front
1503.0 mm / 59.2 in
1508.0 mm / 59.4 in
1579.0 mm / 62.2 in
Track Width | Rear
1512.0 mm / 59.5 in
1525.0 mm / 60.0 in
Weight
1845.0 kg / 4067.5 lbs
1655.0 kg / 3648.7 lbs
Wheel Size
8J x 18, 9J x 18
Wheelbase
2760 mm / 108.7 in
2731 mm / 107.5 in
2812 mm / 110.7 in
Performance
Acceleration | 0 - 100 km/h
5.0 sec
5.5 sec
Acceleration | 0 - 60 mph
4.8 sec
5.2 sec
Coefficient Of Drag
0.35
0.34
Fuel Economy
9.7 L/100km / 24.2 MPG (combined) | 14.0 L/100km / 16.8 MPG (urban) | 7.2 L/100km / 32.7 MPG (highway)
12.1 L/100km / 19.4 MPG (combined) | 17.9 L/100km / 13.1 MPG (urban) | 8.8 L/100km / 26.7 MPG (highway)
Top Speed
280.0 km/h / 174.0 mph
250.0 km/h / 155.3 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 5
Euro 6
Engine
S54B32
S55B30
Engine | Bore
84.0 mm / 3.3 in
87.0 mm / 3.4 in
84.0 mm / 3.3 in
Engine | Compression Ratio
9.4:1
11.5:1
10.2:1
Engine | Displacement
3.0 L / 181.8 cu-in / 2979.0 cc
3.2 L / 198.1 cu-in / 3246.0 cc
3.0 L / 181.8 cu-in / 2979.0 cc
Engine | Power
360.0 hp / 268.5 kW @ 5500-6000 rpm
343.0 hp / 255.8 kW @ 7900 rpm
Engine | Specific Output
120.8 hp/L / 2.0 hp/cu-in
105.7 hp/L / 1.7 hp/cu-in
Engine | Stroke
89.6 mm / 3.5 in
91.0 mm / 3.6 in
89.6 mm / 3.5 in
Engine | Torque
500 Nm / 368.8 lb-ft @ 3800-5000 rpm
365 Nm / 269.2 lb-ft @ 4900 rpm
550 Nm / 405.7 lb-ft @ 1850-5500 rpm
Engine | Type
Turbocharged 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
6-speed
6-speed
Transmission | Type
Automatic
Manual
Production
Availability
2007 ~ 2012
2001 ~ 2006
Reviews
Neofiliac score
75%
71%
90%
Pros
- Hardtop convertible
- Great styling
- Good S54 engine
- Decent styling
- Good manual transmission
- Exceptionally gorgeous top up or down
- Great S55 engine
- Good manual transmission and decent DCT
Cons
- Stuck with MacPherson struts in the front
- Performance not very good
- Somewhat overstyled
- Horrible SMG transmission
- Basic suspension setup
- Worse handling than the Coupe
- Quite heavy
- Does not handle all that well
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