Compare BMW 8 Series G14 Convertible vs BMW M4 G83 Convertible
Variants
840d MHEV xDrive
840d xDrive
840i
840i Euro6d
840i Euro6d xDrive
840i xDrive
M850i Euro6d xDrive
M850i xDrive
Capacity
Cargo Capacity
300 L / 10.6 cu-ft ~ 385 L / 13.6 cu-ft
Coolant Capacity
9.5 L / 10.0 qt
Engine Oil Capacity
7.0 L / 7.4 qt
Fuel Capacity
59.0 L / 15.6 gal
Passengers
4
4
Payload
425 kg / 937 lbs
Chassis
Brakes | Front
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
Ventilated discs
Power Steering
Electric Steering
Electric Steering
Steering Ratio
14.6
Suspension | Front
Double-wishbone
MacPherson strut
Suspension | Rear
Multi-link
Multi-link
Tire Size
Front wheel tires: 275/35 R19 Rear wheel tires: 285/30 R20
Tire Size | Front
275/35 ZR19 100Y XL
Tire Size | Rear
285/30 ZR20 99Y XL
Turning Circle
11.9 m
12.6 m / 41.3 ft
Construction
Body Style
2-door Convertible
Dimensions
Ground Clearance
121 mm / 4.8 in
Size | Height
1395 mm / 54.9 in
Size | Length
4794 mm / 188.7 in
Size | Width
1887 mm / 74.3 in
Track Width | Front
1617.0 mm / 63.7 in
Track Width | Rear
1642.0 mm / 64.6 in
1605.0 mm / 63.2 in
Weight
1920.0 kg / 4232.9 lbs
Wheel Size
Front wheel rims: 9.5J x 19 Rear wheel rims: 10.5J x 20
Wheel Size | Front
9.5J x 19
Wheel Size | Rear
10.5J x 20
Wheelbase
2822 mm / 111.1 in
2857 mm / 112.5 in
Performance
Acceleration | 0 - 100 km/h
3.7 sec
Acceleration | 0 - 60 mph
3.5 sec
CO2 Emission
231 ~ 233 g/km
Coefficient Of Drag
0.34
Fuel Economy
10.2 L/100km / 23.1 MPG (combined)
Top Speed
250.0 km/h / 155.3 mph
250.0 km/h / 155.3 mph
Powertrain
Drivetrain Layout
Front-engine (longitudinal), All-wheel drive
Emission Standard
Euro 6d
Engine
S58B30T0
Engine | Bore
84.0 mm / 3.3 in
Engine | Compression Ratio
9.3:1
Engine | Displacement
3.0 L / 182.6 cu-in / 2993.0 cc
Engine | Power
510.0 hp / 380.3 kW @ 6250 rpm
Engine | Redline
7200 rpm
Engine | Specific Output
170.4 hp/L / 2.8 hp/cu-in
Engine | Stroke
90.0 mm / 3.5 in
Engine | Torque
650 Nm / 479.4 lb-ft @ 2750-5500 rpm
Engine | Type
Twin-scroll turbocharged direct-injected petrol inline-6 engine with 4 values per cylinder
Fuel Capacity
59 L
Transmission | Gears
8-speed
8-speed
Transmission | Type
Automatic Steptronic
Automatic M Steptronic
Production
Availability
2021
Debut
2018-11
2021-05
Made In
Germany
Germany
Reviews
Neofiliac score
85%
78%
Pros
- Rather good styling
- Luxurious interior
- Decent performanceGood 0.28 drag coefficient
- Good suspension setup
- Decent performance
- OK-ish styling with the top down
- Solid S58 engine
- Enjoyable 7200rpm redline
Cons
- Diesel in a luxury convertible?
- Only soft top
- Poor reliability
- Obsession with AWD
- Ugly front-end
- Stuck with MacPherson struts in the front
- AWD-only
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