2020 (G14) BMW 840i xDrive Convertible Specs & Performance
2020 - present (G14)
Tech Specs Summary
- 
- 3 L Inline 6 Turbo
- 
- 155 mph
- 
- 4.9 seconds
- 
- 335 hp
- 
- 31 mpg
- 
- 2 Doors
- 
- 4 Seats
- 
- 12.4 ft3
- 
- 4,145 lbs
- Front - 4WD
Performance
- Top Speed
- 155 mph
- 0-62 mph
- 4.9 seconds
- 0-60 mph
- 4.7 seconds
- Power-to-Weight
- 12.37 lb/hp
- Power
- 335 hp
- Torque
- 369 lb·ft
Gas Mileage
- Combined
- 31 mpg
- City
- 24.5 mpg
- Highway
- 36.7 mpg
- Total Range
- 556 Miles
- Tailpipe CO2
- 278 g/Mile
Gasoline Engine
- Capacity
- 3 Liter
- 183 in3
- Layout
- Inline 6
- Aspiration
- Turbo
- Peak Power
- 335 hp @ 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
- Gasoline
- Fuel Tank Capacity
- 18 Gallons
More Engine Specs
- Engine Name
- B58B30
- Compression Ratio
- 11:1
- Bore x Stroke
- 3.228 x 3.724 in
- Bore-Stroke Ratio
- 0.87:1
- Under-Square
- Specific Output
- 1.84 hp/in3
- Power/Cylinder
- 56 hp
- Cylinder Volume
- 30.5 in3
- BMEP
- 304 PSI
- 21 Bar
Drivetrain & Chassis
- Driven Wheels
- 4WD
- Rear-biased Four-wheel Drive
- Transmission (AT)
- 8 Speeds
- 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
- Luxury Sports Convertible
- Door Count
- 2
- Seat Count
- 4
- Luggage Space
- 12.4 ft3
- Turning Radius
- 39 ft
- Curb Weight
- 4,145 lbs
- Gross Weight
- 5,291 lbs
- Maximum Payload
- 1,146 lbs
- Length
- 190.7 in
- Width
- 74.9 in
- Height
- 52.7 in
- Wheelbase
- 111.1 in
- Front Track
- 64.1 in
- Rear Track
- 64.6 in
★★★★★
★★★★★
3.4
Pros & Cons vs Rivals
Performance
Environment
Practicality
Luggage
City Driving
Road Trips
Similar Cars
✚ Show More


2020 840i xDrive Convertible Specs










































