Compare BMW M3 E93 Convertible vs BMW M6 E64 Convertible vs Alpina B6 E64
Variants
MT
DCT
M6
M6 DCT
B6
B6 S
Capacity
Cargo Capacity
210 L / 7.4 cu-ft ~ 350 L / 12.4 cu-ft
300 L / 10.6 cu-ft ~ 350 L / 12.4 cu-ft
450 L / 15.9 cu-ft
Coolant Capacity
15.0 L / 15.9 qt
Engine Oil Capacity
8.8 L / 9.3 qt
Fuel Capacity
63.0 L / 16.6 gal
70.0 L / 18.5 gal
70.0 L / 18.5 gal
Passengers
4
4
4
Payload
260 kg / 573 lbs
Chassis
Brakes | Front
Ventilated discs
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
Ventilated discs
Power Steering
Electric Steering
Hydraulic Steering
Suspension | Front
MacPherson strut
MacPherson strut
MacPherson strut
Suspension | Rear
Multi-link
Multi-link
Multi-link
Tire Size
255/40 R19, 285/35 R19
Turning Circle
11.7 m / 38.4 ft
12.5 m / 41.0 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Convertible
Dimensions
Size | Height
1392 mm / 54.8 in
1377 mm / 54.2 in
1371 mm / 54.0 in
Size | Length
4615 mm / 181.7 in
4871 mm / 191.8 in
4820 mm / 189.8 in
Size | Width
1804 mm / 71.0 in
1855 mm / 73.0 in
1855 mm / 73.0 in
Track Width | Front
1540.0 mm / 60.6 in
1567.0 mm / 61.7 in
1558.0 mm / 61.3 in
Track Width | Rear
1539.0 mm / 60.6 in
1584.0 mm / 62.4 in
1598.0 mm / 62.9 in
Weight
1930.0 kg / 4254.9 lbs
Wheel Size
9.5J x 18
8.5J x 19, 9.5J x 19
Wheelbase
2761 mm / 108.7 in
2781 mm / 109.5 in
2780 mm / 109.4 in
Performance
Acceleration | 0 - 100 km/h
4.8 sec
Acceleration | 0 - 60 mph
4.6 sec
CO2 Emission
366 g/km
Coefficient Of Drag
0.32
0.34
Fuel Economy
15.2 L/100km / 15.5 MPG (combined) | 22.8 L/100km / 10.3 MPG (urban) | 10.7 L/100km / 22.0 MPG (highway)
18.9 L/100km / 12.4 MPG (combined) | 22.6 L/100km / 10.4 MPG (urban) | 9.3 L/100km / 25.3 MPG (highway)
Top Speed
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 4
Euro 4
Engine
S65B40
S85B50
Engine | Bore
92.0 mm / 3.6 in
92.0 mm / 3.6 in
92.0 mm / 3.6 in
Engine | Compression Ratio
12.0:1
12.0:1
9.0:1
Engine | Displacement
4.0 L / 244.0 cu-in / 3999.0 cc
5.0 L / 305.1 cu-in / 4999.0 cc
4.4 L / 268.4 cu-in / 4398.0 cc
Engine | Power
420.0 hp / 313.2 kW @ 8300 rpm
507.0 hp / 378.1 kW @ 7750 rpm
Engine | Specific Output
105.0 hp/L / 1.7 hp/cu-in
101.4 hp/L / 1.7 hp/cu-in
Engine | Stroke
75.2 mm / 3.0 in
75.2 mm / 3.0 in
82.7 mm / 3.3 in
Engine | Torque
400 Nm / 295.0 lb-ft @ 3900 rpm
520 Nm / 383.5 lb-ft @ 6100 rpm
Engine | Type
Naturally-aspirated multi-port injected petrol V8 engine with 4 values per cylinder
Naturally-aspirated multi-port injected petrol V10 DOHC engine with 4 values per cylinder
Supercharged multi-port injected petrol V8 DOHC engine with 4 values per cylinder
Transmission | Gears
6-speed
Transmission | Type
Automatic
Production
Availability
2008 ~ 2013
2005 ~ 2010
Reviews
Neofiliac score
77%
85%
87%
Pros
- Convertible hard top
- Great styling with the top up or down
- Great S65 engine
- Good transmissions
- Characterful S85 engine
- Great looks with the top down
- Good power delivery
- Superb elegance and styling
- Good performance
- Decent handling
Cons
- Stuck with MacPherson struts in the front
- Much heavier than the Coupe
- Very high fuel consumption
- Horrible engine reliability
- Does not handle well
- Very high fuel consumption
- Stuck with MacPherson struts in the front
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