Compare BMW Z3 M Roadster vs BMW 4 Series G23 Convertible

Variants
S50
S54
420d
420i
430d
430i
M440i xDrive

Capacity

Cargo Capacity
165 L / 5.8 cu-ft
Coolant Capacity
10.8 L / 11.4 qt
Engine Oil Capacity
5.5 L / 5.8 qt
Fuel Capacity
51.0 L / 13.5 gal
59.0 L / 15.6 gal
Passengers
2
4

Chassis

Brakes | Front
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
single-piston floating calipers
Power Steering
Hydraulic Steering
Electric Steering
Steering Ratio
14.1
Suspension | Front
MacPherson strut
MacPherson
Suspension | Rear
Multi-link
Multi-link (five-link)

Construction

Battery | Capacity
0.5 kWh (gross)
Body Style
2-door Convertible

Dimensions

Size | Length
4025 mm / 158.5 in
Size | Width
1740 mm / 68.5 in
Track Width | Front
1422.0 mm / 56.0 in
Track Width | Rear
1492.0 mm / 58.7 in
Wheel Size
17 in
Wheelbase
2851 mm / 112.2 in

Performance

Fuel Economy
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

Powertrain

Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
Emission Standard
Euro 6d
Engine | Stroke
91.0 mm / 3.6 in
Engine | Type
Naturally-aspirated multi-port injected petrol inline-6 DOHC engine with 4 values per cylinder
Transmission | Gears
5-speed
8-speed
Transmission | Type
Manual
Automatic Steptronic

Production

Availability
2021-03
Debut
2020-09-30
Made In
Germany

Reviews

Neofiliac score
66%
74%
Pros
  • Good engines
  • Simple to work on
  • No BS driving experience
  • Good 0.27 drag coefficient
  • Still RWD-oriented
Cons
  • Stuck with MacPherson struts in the front
  • Very little cargo space
  • Heavier than the MX-5 and handles worse (but much more expensive)
  • B58 tied to AWD
  • Engines too small
  • Lost hard top
  • No manual transmission
  • Ugly
  • MacPherson front suspension

Price

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