Car comparison

BMW 8 Series Gran Coupe (G16) 840ivsBMW 8 Series (E31) 850Ci 5.4

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

BMW 8 Series Gran Coupe (G16)

840i

333 hp2998 ccGasolineRWDAutomaticTurbochargedCoupe2020-2022

BMW 8 Series (E31)

850Ci 5.4

326 hp5379 ccGasolineRWDAutomaticNaturally aspiratedCoupe1994-1999

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

BMW 8 Series Gran Coupe (G16) 840i

Quickest 0-100 km/h
5.4 s
Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
333 hp
248 kW
Highest torque
500 Nm
369 lb-ft
Lightest
1,815 kg
4,001 lb
Best power-to-weight
183 hp/t
137 kW/t
5.5 kg/hp
Lowest city consumption
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
Lowest highway consumption
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
Largest trunk
440 L
Best overall score
68/100
Best performance score
69/100
Best economy score
87/100
Best practicality score
65/100

Specification comparison

Specification comparison
Model	BMW8 Series Gran Coupe (G16)840i	BMW8 Series (E31)850Ci 5.4
Power	333hp248kW	326hp243kW
Torque	500Nm369lb-ft	490Nm361lb-ft
Curb weight	1,815kg4,001lb	1,880kg4,145lb
Gross weight	2,435kg5,368lb	2,300kg5,071lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	78.5s99% target: 262 km/h / 163 mph Calculated	90.9s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	5.4s	6.3s
0-200 km/h	19.4s Calculated	22.6s Calculated
0-60 mph	5.1s Calculated	6.0s Calculated
Fuel consumption	7.4L/100 km31.8mpg US38.2mpg UK	-
Fuel consumption city	9.7L/100 km24.2mpg US29.1mpg UK	21.1L/100 km11.1mpg US13.4mpg UK
Fuel consumption highway	6.1L/100 km38.6mpg US46.3mpg UK	9.9L/100 km23.8mpg US28.5mpg UK
Quarter mile	13.5s Calculated	14.3s Calculated
Power-to-weight	183hp/t137kW/t83hp/1000 lb Calculated	173hp/t129kW/t79hp/1000 lb Calculated
Torque-to-weight	275Nm/t184lb-ft/ton Calculated	261Nm/t174lb-ft/ton Calculated
Estimated range	919km571mi Calculated	-
Displacement	2,998cc183cu in	5,379cc328cu in
Length	5,074mm200in	4,780mm188in
Width	1,932mm76in	1,855mm73in
Height	1,401mm55in	1,340mm53in
Wheelbase	3,023mm119in	2,684mm106in
Front track	1,627mm64in	1,554mm61in
Rear track	1,671mm66in	1,562mm61in
Ground clearance	121mm5in	-
Trunk volume	440L	320L
Doors	4	2
Seats	5	4
Fuel tank	68L	90L

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

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

BMW 8 Series Gran Coupe (G16) 840iBMW 8 Series (E31) 850Ci 5.4PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW8 Series Gran Coupe (G16)840i	5,500-6,250 rpm	1,700-4,000 rpm	6,500 rpm
BMW8 Series (E31)850Ci 5.4	5,000 rpm	3,900 rpm	5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW8 Series Gran Coupe (G16)840i	BMW8 Series (E31)850Ci 5.4
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.1 s	6.0 s
0-100 km/h 0-62 mph	5.4 s	6.3 s
0-200 km/h 0-124 mph	19.4 s	22.6 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.2 s	2.4 s
330 ft 101 m	5.9 s	6.3 s
1/8 mile 201 m	8.8 s	9.4 s
1000 ft 305 m	11.4 s	12.1 s
1/4 mile 402 m	13.5 s	14.3 s
Trap speed 1/4 mile 402 m	171 km/h 106 mph	163 km/h 101 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
BMW8 Series Gran Coupe (G16)840i	333 hp 248 kW
BMW8 Series (E31)850Ci 5.4	326 hp 243 kW

BMW 8 Series Gran Coupe (G16) 840i has 7 hp more than BMW 8 Series (E31) 850Ci 5.4.

The biggest power difference is between BMW 8 Series (E31) 850Ci 5.4 and BMW 8 Series Gran Coupe (G16) 840i: 7 hp (5 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
BMW8 Series Gran Coupe (G16)840i	500 Nm 369 lb-ft
BMW8 Series (E31)850Ci 5.4	490 Nm 361 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
BMW8 Series Gran Coupe (G16)840i	1,815 kg 4,001 lb
BMW8 Series (E31)850Ci 5.4	1,880 kg 4,145 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
BMW8 Series Gran Coupe (G16)840i	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
BMW8 Series (E31)850Ci 5.4	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
BMW8 Series Gran Coupe (G16)840i	5.4 s
BMW8 Series (E31)850Ci 5.4	6.3 s

The biggest 0-100 km/h difference is between BMW 8 Series Gran Coupe (G16) 840i and BMW 8 Series (E31) 850Ci 5.4: 0.9 s.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
BMW8 Series Gran Coupe (G16)840i	183 hp/t 137 kW/t 5.5 kg/hp
BMW8 Series (E31)850Ci 5.4	173 hp/t 129 kW/t 5.8 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW8 Series Gran Coupe (G16)840i	333 hp 248 kW	5.4 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
BMW8 Series (E31)850Ci 5.4	326 hp 243 kW	6.3 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

BMW8 Series Gran Coupe (G16)840i

Power	333 hp 248 kW
0-100 km/h	5.4 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	4 doors 5 seats
Trunk	440 L 15.5 cu ft
Length	5,074 mm 199.8 in
Height	1,401 mm 55.2 in

BMW8 Series (E31)850Ci 5.4

Power	326 hp 243 kW
0-100 km/h	6.3 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	320 L 11.3 cu ft
Length	4,780 mm 188.2 in
Height	1,340 mm 52.8 in

Detailed score breakdown

Vehicle

BMW8 Series Gran Coupe (G16)840i

BMW8 Series (E31)850Ci 5.4

Power

333 hp

248 kW

326 hp

243 kW

Torque

500 Nm

369 lb-ft

490 Nm

361 lb-ft

Acceleration

5.4 s

6.3 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

1,815 kg

4,001 lb

1,880 kg

4,145 lb

Fuel consumption

7.4 L/100 km

31.8 mpg US

38.2 mpg UK

Practicality

Doors/seats	4 doors 5 seats
Trunk	440 L 15.5 cu ft
Length	5,074 mm 199.8 in
Height	1,401 mm 55.2 in

Doors/seats	2 doors 4 seats
Trunk	320 L 11.3 cu ft
Length	4,780 mm 188.2 in
Height	1,340 mm 52.8 in

Range score

919 km

571 mi

Trunk score

440 L

15.5 cu ft

320 L

11.3 cu ft

Power-to-weight score

183 hp/t

137 kW/t

5.5 kg/hp

173 hp/t

129 kW/t

5.8 kg/hp

Overall

Fixed score

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 Gran Coupe (G16) 840i
Consumption	7.4 L/100 km31.8 mpg US38.2 mpg UK
Cost / 100 km	12.95 LC100 km
Cost / 100 mi	20.84 LC100 mi
Annual fuel used	1,110 L293 US gal244 UK gal
Annual fuel cost	1,943 LC/year