Compare Alpina Roadster V8 vs Alpina B3 E46 Convertible vs BMW 3 Series E93 LCI Convertible
Variants
B3 3.3
B3 3.3 AT
B3 S
B3 S AT
318i
320d
320d AT
320i
320i AT
325d
325d AT
325i
325i AT
330d
330d AT
330i
330i AT
335i
335i AT
Capacity
Cargo Capacity
300 L / 10.6 cu-ft
210 L / 7.4 cu-ft ~ 350 L / 12.4 cu-ft
Fuel Capacity
73.0 L / 19.3 gal
63.0 L / 16.6 gal
Passengers
2
4
4
Payload
335 kg / 739 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
Hydraulic Steering
Electric Steering
Suspension | Front
Double-wishbone
MacPherson strut
MacPherson strut
Suspension | Rear
Double-wishbone
Multi-link
Multi-link
Tire Size
255/35 R20
Turning Circle
11.0 m / 36.1 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Convertible
Dimensions
Ground Clearance
138 mm / 5.4 in
Size | Height
1320 mm / 52.0 in
1352 mm / 53.2 in
1384 mm / 54.5 in
Size | Length
4400 mm / 173.2 in
4488 mm / 176.7 in
4612 mm / 181.6 in
Size | Width
1830 mm / 72.0 in
1757 mm / 69.2 in
1782 mm / 70.2 in
Track Width | Front
1550.0 mm / 61.0 in
1471.0 mm / 57.9 in
Track Width | Rear
1570.0 mm / 61.8 in
1472.0 mm / 58.0 in
Weight
1615.0 kg / 3560.5 lbs
1620.0 kg / 3571.5 lbs
Wheelbase
2505 mm / 98.6 in
2725 mm / 107.3 in
2760 mm / 108.7 in
Performance
Acceleration | 0 - 100 km/h
5.3 sec
Acceleration | 0 - 60 mph
5.0 sec
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)
Top Speed
260.0 km/h / 161.6 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
Engine | Compression Ratio
10.5:1
10.2:1
Engine | Displacement
4.8 L / 295.2 cu-in / 4837.0 cc
Engine | Power
381.0 hp / 284.1 kW @ 5800 rpm
Engine | Specific Output
78.8 hp/L / 1.3 hp/cu-in
Engine | Stroke
89.0 mm / 3.5 in
93.8 mm / 3.7 in
Engine | Torque
520 Nm / 383.5 lb-ft @ 3800 rpm
Engine | Type
Naturally-aspirated multi-port injected petrol V8 DOHC engine with 4 values per cylinder
Naturally-aspirated multi-port injected petrol inline-6 DOHC engine with 4 values per cylinder
Transmission | Gears
5-speed
Transmission | Type
Manual
Production
Availability
2002 ~ 2006
2010 ~ 2013
Reviews
Neofiliac score
83%
71%
65%
Pros
- Superb styling (but not better than the Z8)
- Good handling (but not better than the Z8)
- Classic Alpina styling
- Decent reliability
- Supposedly more reliable, though still unreliable, engines
- Good 0.27 drag coefficient
Cons
- A downgrade from the standard E52 Z8
- Horrible ZF 5HP automatic transmission
- Not the best soft-top for its price
- Complex and unreliable top
- Weight
- Engine reliability issues
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