BMW 8 Series Convertible (G14)

840i (Stage 2)

Compare stock and tuned

433 hp2998 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2020-2022

0-100 km/h 4.4 s

Top speed

Unrestricted

290 km/h180 mph

Restricted

280 km/h174 mph

Performance

Performance
Power	333 hp / Stage 2: 433 hp 340 hp / Stage 2: 442 hp 530 hp / Stage 2: 689 hp
Torque	675Nm498lb-ft+175 Nm
Displacement	2,998cc183cu in
Curb weight	1,915kg4,222lb
Gross weight	2,400kg5,291lb
Power-to-weight	226hp/t169kW/t103hp/1000 lb Calculated
Torque-to-weight	352Nm/t236lb-ft/ton Calculated
0-100 km/h	4.4s-0.8 s
0-200 km/h	14.2s-5.1 s Calculated
0-60 mph	4.2s-0.7 s Calculated
Quarter mile	12.4s-0.9 s Calculated
Top speed	Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph +30 km/h Calculated
To 99% top speed	68.0s99% target: 287 km/h / 178 mph-6.4 s Calculated

Efficiency and range

Efficiency and range
Fuel consumption	8L/100 km29.4mpg US35.3mpg UK
Fuel consumption city	10.2L/100 km23.1mpg US27.7mpg UK
Fuel consumption highway	6.7L/100 km35.1mpg US42.2mpg UK
Fuel tank	68L
Estimated range	850km528mi Calculated

Engine and drivetrain

Engine and drivetrain
Fuel	Diesel Gasoline
Drive	RWD AWD
Engine	B58B30C
Body type	Cabriolet / convertible
Aspiration	Turbocharged
Transmission	Automatic
Gears	8-speed
Engine layout	Front, Longitudinal
Engine configuration	Inline
Cylinders	6
Valves per cylinder	4

Dimensions and space

Dimensions and space
Length	4,843mm191in
Width	1,902mm75in
Height	1,339mm53in
Wheelbase	2,822mm111in
Front track	1,627mm64in
Rear track	1,642mm65in
Ground clearance	118mm5in
Trunk volume	350L
Doors	2
Seats	4

Performance spider chart

Current vehicle compared with the precomputed median score across the database.

Power benchmark

Current vehicle compared with the database median for Power. Higher is better · hp / kW

Power benchmark
Vehicle	Value
BMW8 Series Convertible (G14)840i (Stage 2)	433 hp 323 kW
Database median	262 hp 195 kW

0-100 km/h benchmark

Current vehicle compared with the database median for 0-100 km/h. Lower is better · s

0-100 km/h benchmark
Vehicle	Value
BMW8 Series Convertible (G14)840i (Stage 2)	4.4 s
Database median	6.4 s

Top speed benchmark

Current vehicle compared with the database median for Top speed. Higher is better · km/h / mph

Top speed benchmark
Vehicle	Value
BMW8 Series Convertible (G14)840i (Stage 2)	290 km/h 180 mph Unrestricted 280 km/h 174 mph Restricted
Database median	242 km/h 150 mph

Fuel consumption benchmark

Current vehicle compared with the database median for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Fuel consumption benchmark
Vehicle	Value
BMW8 Series Convertible (G14)840i (Stage 2)	8.0 L/100 km 29.4 mpg US 35.3 mpg UK
Database median	7.4 L/100 km 31.8 mpg US 38.2 mpg UK

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
Vehicle	BMW 8 Series Convertible (G14) 840i (Stage 2)
Consumption	8 L/100 km29.4 mpg US35.3 mpg UK
Cost / 100 km	14.00 LC100 km
Cost / 100 mi	22.53 LC100 mi
Annual fuel used	1,200 L317 US gal264 UK gal
Annual fuel cost	2,100 LC/year

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

BMW 8 Series Convertible (G14) 840i (Stage 2)PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW8 Series Convertible (G14)840i (Stage 2)	5,500-6,250 rpm	1,700-4,000 rpm	6,500 rpm

Choose cars to compare

Brand

Model

Generation

Engine or modification

BMW 8 Series Convertible (G14) 840i

Compare selected cars

1 vehicle selected