Compare BMW M3 E93 Convertible vs Alpina Roadster V8 vs Alpina D4 F33 Convertible
Variants
MT
DCT
LCI
Pre-LCI
Capacity
Cargo Capacity
210 L / 7.4 cu-ft ~ 350 L / 12.4 cu-ft
Engine Oil Capacity
8.8 L / 9.3 qt
Fuel Capacity
63.0 L / 16.6 gal
73.0 L / 19.3 gal
57.0 L / 15.1 gal
Passengers
4
2
4
Payload
335 kg / 739 lbs
450 kg / 992 lbs
Chassis
Brakes | Front
Ventilated discs
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
Ventilated discs
Ventilated discs
Power Steering
Electric Steering
Hydraulic Steering
Electric Steering
Suspension | Front
MacPherson strut
Double-wishbone
MacPherson strut
Suspension | Rear
Multi-link
Double-wishbone
Multi-link
Tire Size
255/35 R20
Turning Circle
11.7 m / 38.4 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Convertible
Dimensions
Size | Height
1392 mm / 54.8 in
1320 mm / 52.0 in
Size | Length
4615 mm / 181.7 in
4400 mm / 173.2 in
4640 mm / 182.7 in
Size | Width
1804 mm / 71.0 in
1830 mm / 72.0 in
1825 mm / 71.9 in
Track Width | Front
1540.0 mm / 60.6 in
1550.0 mm / 61.0 in
1552.0 mm / 61.1 in
Track Width | Rear
1539.0 mm / 60.6 in
1570.0 mm / 61.8 in
1576.0 mm / 62.0 in
Weight
1615.0 kg / 3560.5 lbs
1815.0 kg / 4001.4 lbs
Wheel Size
9.5J x 18
Wheelbase
2761 mm / 108.7 in
2505 mm / 98.6 in
2810 mm / 110.6 in
Performance
Acceleration | 0 - 100 km/h
5.3 sec
5.0 sec
Acceleration | 0 - 60 mph
5.0 sec
4.8 sec
CO2 Emission
155 g/km
Coefficient Of Drag
0.32
Fuel Economy
9.3 L/100km / 25.3 MPG (combined) | 15.0 L/100km / 15.7 MPG (urban) | 7.5 L/100km / 31.4 MPG (highway)
5.9 L/100km / 39.9 MPG (combined) | 6.6 L/100km / 35.6 MPG (urban) | 5.5 L/100km / 42.8 MPG (highway)
Top Speed
250.0 km/h / 155.3 mph
260.0 km/h / 161.6 mph
275.0 km/h / 170.9 mph
Towing Capacity
750 kg / 1653 lbs (w/o brakes) | 1800 kg / 3968 lbs (w/ brakes @ 12% gradient)
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
S65B40
Engine | Bore
92.0 mm / 3.6 in
84.0 mm / 3.3 in
Engine | Compression Ratio
12.0:1
10.5:1
16.5:1
Engine | Displacement
4.0 L / 244.0 cu-in / 3999.0 cc
4.8 L / 295.2 cu-in / 4837.0 cc
3.0 L / 182.6 cu-in / 2993.0 cc
Engine | Power
420.0 hp / 313.2 kW @ 8300 rpm
381.0 hp / 284.1 kW @ 5800 rpm
350.0 hp / 261.0 kW @ 4000 rpm
Engine | Specific Output
105.0 hp/L / 1.7 hp/cu-in
78.8 hp/L / 1.3 hp/cu-in
116.9 hp/L / 1.9 hp/cu-in
Engine | Stroke
75.2 mm / 3.0 in
89.0 mm / 3.5 in
90.0 mm / 3.5 in
Engine | Torque
400 Nm / 295.0 lb-ft @ 3900 rpm
520 Nm / 383.5 lb-ft @ 3800 rpm
700 Nm / 516.3 lb-ft @ 1500-3000 rpm
Engine | Type
Naturally-aspirated multi-port injected petrol V8 engine with 4 values per cylinder
Naturally-aspirated multi-port injected petrol V8 DOHC engine with 4 values per cylinder
Transmission | Gears
5-speed
8-speed
Transmission | Type
Manual
Automatic Switch Tronic
Production
Availability
2008 ~ 2013
2002 ~ 2006
Reviews
Neofiliac score
77%
83%
68%
Pros
- Convertible hard top
- Great styling with the top up or down
- Great S65 engine
- Good transmissions
- Superb styling (but not better than the Z8)
- Good handling (but not better than the Z8)
- Decent performance
- Same styling as the Alpina B4 F33
Cons
- Stuck with MacPherson struts in the front
- Much heavier than the Coupe
- A downgrade from the standard E52 Z8
- Not different than the base 4 Series with a body kit
- Diesel in a convertible
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