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Compare BMW M4 F83 Convertible vs Alpina B3 E46 Convertible vs BMW 4 Series F33 LCI Convertible

Variants
M4
M4 DCT
M4 Competition
M4 Competition DCT
B3 3.3
B3 3.3 AT
B3 S
B3 S AT
420d
420d AT
420i
420i AT
430d AT
430i
430i AT
430i xDrive AT
435d xDrive AT
440i AT
440i xDrive AT

Capacity

Cargo Capacity
220 L / 7.8 cu-ft ~ 370 L / 13.1 cu-ft
300 L / 10.6 cu-ft
370 L / 13.1 cu-ft
Coolant Capacity
13.9 L / 14.7 qt
Engine Oil Capacity
6.5 L / 6.9 qt
Fuel Capacity
60.0 L / 15.9 gal
63.0 L / 16.6 gal
Passengers
4
4
4
Payload
420 kg / 926 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
MacPherson strut
MacPherson strut
Suspension | Rear
Multi-link
Multi-link
Multi-link
Tire Size
225/50 R17, 225/45 R18, 255/40 R18, 225/40 R19, 255/35 R19
Turning Circle
12.2 m / 40.0 ft

Construction

Body Style
2-door Convertible
2-door Convertible
2-door Convertible

Dimensions

Size | Height
1352 mm / 53.2 in
Size | Length
4671 mm / 183.9 in
4488 mm / 176.7 in
4640 mm / 182.7 in
Size | Width
1757 mm / 69.2 in
1825 mm / 71.9 in
Track Width | Front
1579.0 mm / 62.2 in
1471.0 mm / 57.9 in
Track Width | Rear
1472.0 mm / 58.0 in
1593.0 mm / 62.7 in
Weight
1620.0 kg / 3571.5 lbs
Wheel Size
7.5J x 17, 8J x 18, 8.5J x 18, 8J x 19, 8.5J x 19
Wheelbase
2812 mm / 110.7 in
2725 mm / 107.3 in
2810 mm / 110.6 in

Performance

Coefficient Of Drag
0.34
Top Speed
250.0 km/h / 155.3 mph

Powertrain

Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Emission Standard
Euro 6
Euro 6
Engine
S55B30
Engine | Bore
84.0 mm / 3.3 in
Engine | Compression Ratio
10.2:1
10.2:1
Engine | Displacement
3.0 L / 181.8 cu-in / 2979.0 cc
Engine | Stroke
89.6 mm / 3.5 in
93.8 mm / 3.7 in
Engine | Torque
550 Nm / 405.7 lb-ft @ 1850-5500 rpm
Engine | Type
Twin-scroll turbocharged direct-injected petrol inline-6 engine with 4 values per cylinder
Naturally-aspirated multi-port injected petrol inline-6 DOHC engine with 4 values per cylinder

Production

Availability
2017 ~ 2020

Reviews

Neofiliac score
90%
71%
77%
Pros
  • Exceptionally gorgeous top up or down
  • Great S55 engine
  • Good manual transmission and decent DCT
  • Classic Alpina styling
  • Decent reliability
  • As reliable a drivetrain as BMW gets
  • Good 0.28 drag coefficient
  • Good ZF 8HP transmission
  • Good looks with top up or down
Cons
  • Quite heavy
  • Does not handle all that well
  • Horrible ZF 5HP automatic transmission
  • Not the best soft-top for its price
  • Complex and unreliable top
  • Engine reliability concerns

Price

Offers (incl. referral links)
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