2020 840i xDrive Convertible Specs2020 (G14) BMW 840i xDrive Convertible Specifications & Performance
2020 - present (G14)
Tech Specs Summary
- 
- 3 L Inline 6 Turbo
- 
- 155 mph
- 
- 4.9 seconds
- 
- 335 BHP
- 
- 37.2 mpg
- 
- 2 Doors
- 
- 4 Seats
- 
- 350 L
- 
- 1,880 kg
- Front - 4WD
Performance
- Top Speed
- 155 mph
- 0-62 mph
- 4.9 seconds
- 0-60 mph
- 4.7 seconds
- Power-to-Weight
- 178 BHP/Tonne
- Power
- 335 BHP
- Torque
- 369 lb·ft
Fuel Economy
- Combined
- 37.2 mpg
- Urban
- 29.4 mpg
- Extra Urban
- 44.1 mpg
- Total Range
- 556 Miles
- CO2 Emissions
- 173 g/Km
Petrol Engine
- Displacement
- 3 Litre
- 2,998 cc
- Configuration
- Inline 6
- Aspiration
- Turbo
- Peak Power
- 335 BHP @ 5,000 RPM
- 340 ps @ 5,000 RPM
- Peak Torque
- 369 lb·ft @ 1,600 RPM
- 500 N·m @ 1,600 RPM
- Valvetrain
- DOHC
- Valves/Cylinder
- 4 (24v Total)
- Fuel Delivery
- Direct Injection
- Position
- Front Engine
- Orientation
- Longitudinal
- Fuel
- Petrol
- Fuel Tank Capacity
- 68 Litres
Extra Engine Specs
- Engine Name
- B58B30
- Compression Ratio
- 11:1
- Bore x Stroke
- 82 x 94.6 mm
- Bore-Stroke Ratio
- 0.87:1
- Under-Square
- Specific Output
- 112 BHP/L
- Power/Cylinder
- 56 BHP
- Unitary Capacity
- 500 cc
- BMEP
- 21 Bar
- 304 PSI
Drivetrain & Chassis
- Driven Wheels
- 4WD
- Rear-biased Four-wheel Drive
- Gearbox (AT)
- 8 Gears
- Front Tyre Size
- 245/45R18 Y
- Rear Tyre Size
- 275/40R18 Y
- Front Suspension
- Double Wishbone
- Rear Suspension
- Multi-Link
- Front Brakes
- Vented Disc
- Rear Brakes
- Vented Disc
Dimensions & Practicality
- Body Style
- Luxury Sports Convertible
- Doors
- 2
- Seats
- 4
- Cargo Space
- 350 L
- Turning Circle
- 11.9 m
- Kerb Weight
- 1,880 kg
- Gross Weight
- 2,400 kg
- Maximum Payload
- 520 kg
- Length
- 4,843 mm
- Width
- 1,902 mm
- Height
- 1,339 mm
- Wheelbase
- 2,822 mm
- Front Track
- 1,627 mm
- Rear Track
- 1,642 mm
UK Vehicle Tax Cost
Registered On / After 01/04/2017
First Year
£2270
Standard
£200
+
£440
For Years 2-6 If List Price (inc. options) is over £40k
★★★★★
★★★★★
3.4
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Performance
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