Compare Alpina B6 E64 vs BMW M3 E93 Convertible vs BMW M3 E46 Convertible
Variants
B6
B6 S
MT
DCT
Capacity
Cargo Capacity
450 L / 15.9 cu-ft
210 L / 7.4 cu-ft ~ 350 L / 12.4 cu-ft
300 L / 10.6 cu-ft
Coolant Capacity
6.0 L / 6.3 qt
Engine Oil Capacity
8.8 L / 9.3 qt
5.5 L / 5.8 qt
Fuel Capacity
70.0 L / 18.5 gal
63.0 L / 16.6 gal
63.0 L / 16.6 gal
Passengers
4
4
4
Payload
260 kg / 573 lbs
445 kg / 981 lbs
Chassis
Brakes | Front
Ventilated discs
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
Disc
Power Steering
Electric Steering
Hydraulic Steering
Suspension | Front
MacPherson strut
MacPherson strut
MacPherson strut
Suspension | Rear
Multi-link
Multi-link
Multi-link
Tire Size
225/45 R18, 255/40 R18
Turning Circle
11.7 m / 38.4 ft
11.0 m / 36.1 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Convertible
Dimensions
Size | Height
1371 mm / 54.0 in
1392 mm / 54.8 in
1363 mm / 53.7 in
Size | Length
4820 mm / 189.8 in
4615 mm / 181.7 in
4492 mm / 176.9 in
Size | Width
1855 mm / 73.0 in
1804 mm / 71.0 in
1780 mm / 70.1 in
Track Width | Front
1558.0 mm / 61.3 in
1540.0 mm / 60.6 in
1508.0 mm / 59.4 in
Track Width | Rear
1598.0 mm / 62.9 in
1539.0 mm / 60.6 in
1525.0 mm / 60.0 in
Weight
1930.0 kg / 4254.9 lbs
1655.0 kg / 3648.7 lbs
Wheel Size
9.5J x 18
8J x 18, 9J x 18
Wheelbase
2780 mm / 109.4 in
2761 mm / 108.7 in
2731 mm / 107.5 in
Performance
Acceleration | 0 - 100 km/h
5.5 sec
Acceleration | 0 - 60 mph
5.2 sec
Coefficient Of Drag
0.32
0.35
Fuel Economy
18.9 L/100km / 12.4 MPG (combined) | 22.6 L/100km / 10.4 MPG (urban) | 9.3 L/100km / 25.3 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
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 4
Euro 5
Engine
S65B40
S54B32
Engine | Bore
92.0 mm / 3.6 in
92.0 mm / 3.6 in
87.0 mm / 3.4 in
Engine | Compression Ratio
9.0:1
12.0:1
11.5:1
Engine | Displacement
4.4 L / 268.4 cu-in / 4398.0 cc
4.0 L / 244.0 cu-in / 3999.0 cc
3.2 L / 198.1 cu-in / 3246.0 cc
Engine | Power
420.0 hp / 313.2 kW @ 8300 rpm
343.0 hp / 255.8 kW @ 7900 rpm
Engine | Specific Output
105.0 hp/L / 1.7 hp/cu-in
105.7 hp/L / 1.7 hp/cu-in
Engine | Stroke
82.7 mm / 3.3 in
75.2 mm / 3.0 in
91.0 mm / 3.6 in
Engine | Torque
400 Nm / 295.0 lb-ft @ 3900 rpm
365 Nm / 269.2 lb-ft @ 4900 rpm
Engine | Type
Supercharged multi-port injected petrol V8 DOHC engine with 4 values per cylinder
Naturally-aspirated multi-port injected petrol V8 engine with 4 values per cylinder
Naturally-aspirated multi-port injected petrol inline-6 DOHC engine with 4 values per cylinder
Transmission | Gears
6-speed
6-speed
Transmission | Type
Automatic
Manual
Production
Availability
2008 ~ 2013
2001 ~ 2006
Reviews
Neofiliac score
87%
77%
71%
Pros
- Superb elegance and styling
- Good performance
- Decent handling
- Convertible hard top
- Great styling with the top up or down
- Great S65 engine
- Good transmissions
- Good S54 engine
- Decent styling
- Good manual transmission
Cons
- Very high fuel consumption
- Stuck with MacPherson struts in the front
- Stuck with MacPherson struts in the front
- Much heavier than the Coupe
- Horrible SMG transmission
- Basic suspension setup
- Worse handling than the Coupe
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