Compare BMW Z4 E85 LCI vs BMW M3 E46 Convertible vs BMW Z3 M Roadster
Variants
2.0i
2.5si
2.5si AT
2.5i
2.5i AT
3.0si
3.0si AT
S50
S54
Capacity
Cargo Capacity
300 L / 10.6 cu-ft
165 L / 5.8 cu-ft
Coolant Capacity
6.0 L / 6.3 qt
10.8 L / 11.4 qt
Engine Oil Capacity
5.5 L / 5.8 qt
5.5 L / 5.8 qt
Fuel Capacity
55.0 L / 14.5 gal
63.0 L / 16.6 gal
51.0 L / 13.5 gal
Passengers
2
4
2
Payload
445 kg / 981 lbs
Chassis
Brakes | Front
Ventilated discs
Ventilated discs
Brakes | Rear
Disc
Ventilated discs
Power Steering
Electric Steering
Hydraulic 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
9.8 m / 32.1 ft
11.0 m / 36.1 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Convertible
Dimensions
Size | Height
1363 mm / 53.7 in
Size | Length
4492 mm / 176.9 in
4025 mm / 158.5 in
Size | Width
1781 mm / 70.1 in
1780 mm / 70.1 in
1740 mm / 68.5 in
Track Width | Front
1508.0 mm / 59.4 in
1422.0 mm / 56.0 in
Track Width | Rear
1525.0 mm / 60.0 in
1492.0 mm / 58.7 in
Weight
1655.0 kg / 3648.7 lbs
Wheel Size
8J x 18, 9J x 18
17 in
Wheelbase
2731 mm / 107.5 in
Performance
Acceleration | 0 - 100 km/h
5.5 sec
Acceleration | 0 - 60 mph
5.2 sec
Coefficient Of Drag
0.36
0.35
Fuel Economy
12.1 L/100km / 19.4 MPG (combined) | 17.9 L/100km / 13.1 MPG (urban) | 8.8 L/100km / 26.7 MPG (highway)
16.6 L/100km / 14.2 MPG (urban) | 7.9 L/100km / 29.8 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
Engine
S54B32
Engine | Bore
87.0 mm / 3.4 in
Engine | Compression Ratio
11.5:1
Engine | Displacement
3.2 L / 198.1 cu-in / 3246.0 cc
Engine | Power
343.0 hp / 255.8 kW @ 7900 rpm
Engine | Specific Output
105.7 hp/L / 1.7 hp/cu-in
Engine | Stroke
91.0 mm / 3.6 in
91.0 mm / 3.6 in
Engine | Torque
365 Nm / 269.2 lb-ft @ 4900 rpm
Engine | Type
Naturally-aspirated 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
Transmission | Gears
6-speed
6-speed
5-speed
Transmission | Type
Manual
Manual
Production
Availability
2006 ~ 2008
2001 ~ 2006
Reviews
Neofiliac score
83%
71%
66%
Pros
- Good N52 engine
- New ZF 6HP autoamtic transmission
- Electric power steering problem fixed
- Small turning circle
- Good S54 engine
- Decent styling
- Good manual transmission
- Good engines
- Simple to work on
- No BS driving experience
Cons
- High 0.36 drag coefficient
- Stuck with MacPherson struts in the front
- Horrible SMG transmission
- Basic suspension setup
- Worse handling than the Coupe
- Stuck with MacPherson struts in the front
- Very little cargo space
- Heavier than the MX-5 and handles worse (but much more expensive)
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