Car comparison

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

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

New comparison

BMW 8 Series (E31)

850Ci 5.4

326 hp5379 ccGasolineRWDAutomaticNaturally aspiratedCoupe1994-1999
VS

BMW 8 Series Gran Coupe (G16)

840d

320 hp2993 ccDieselAWDAutomaticTurbochargedCoupe2019-2020

Comparison overview

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

Best choices

BMW 8 Series Gran Coupe (G16) 840d

  • Quickest 0-100 km/h
    5.1 s
  • Highest torque
    680 Nm
    502 lb-ft
  • Lowest city consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Lowest highway consumption
    5.7 L/100 km
    41.3 mpg US
    49.6 mpg UK
  • Largest trunk
    440 L
  • Best overall score
    70/100
  • Best performance score
    72/100
  • Best economy score
    90/100
  • Best practicality score
    67/100

BMW 8 Series (E31) 850Ci 5.4

  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    326 hp
    243 kW
  • Lightest
    1,880 kg
    4,145 lb
  • Best power-to-weight
    173 hp/t
    129 kW/t
    5.8 kg/hp

Specification comparison

Specification comparison
ModelBMW8 Series (E31)850Ci 5.4BMW8 Series Gran Coupe (G16)840d
Power
326hp243kW
320hp239kW
Torque
490Nm361lb-ft
680Nm502lb-ft
Curb weight
1,880kg4,145lb
1,925kg4,244lb
Gross weight
2,300kg5,071lb
2,560kg5,644lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
90.9s99% target: 262 km/h / 163 mph
Calculated
74.9s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
6.3s
5.1s
0-200 km/h
22.6s
Calculated
19.1s
Calculated
0-60 mph
6.0s
Calculated
4.8s
Calculated
Fuel consumption-
6.3L/100 km37.3mpg US44.8mpg UK
Fuel consumption city
21.1L/100 km11.1mpg US13.4mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Fuel consumption highway
9.9L/100 km23.8mpg US28.5mpg UK
5.7L/100 km41.3mpg US49.6mpg UK
Quarter mile
14.3s
Calculated
13.3s
Calculated
Power-to-weight
173hp/t129kW/t79hp/1000 lb
Calculated
166hp/t124kW/t75hp/1000 lb
Calculated
Torque-to-weight
261Nm/t174lb-ft/ton
Calculated
353Nm/t236lb-ft/ton
Calculated
Estimated range-
1,079km671mi
Calculated
Displacement
5,379cc328cu in
2,993cc183cu in
Length
4,780mm188in
5,082mm200in
Width
1,855mm73in
1,932mm76in
Height
1,340mm53in
1,407mm55in
Wheelbase
2,684mm106in
3,023mm119in
Front track
1,554mm61in
1,627mm64in
Rear track
1,562mm61in
1,671mm66in
Trunk volume
320L
-
Max trunk volume-
440L
Doors
2
4
Seats
4
5
Fuel tank
90L
68L
CO2 emissions-
166g/km

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 (E31) 850Ci 5.4BMW 8 Series Gran Coupe (G16) 840dPowerTorque
  • BMW 8 Series (E31) 850Ci 5.4: Power / Torque
  • BMW 8 Series Gran Coupe (G16) 840d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW8 Series (E31)850Ci 5.45,000 rpm3,900 rpm5,250 rpm
BMW8 Series Gran Coupe (G16)840d4,400 rpm1,750-2,250 rpm4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW8 Series (E31)850Ci 5.4BMW8 Series Gran Coupe (G16)840d
Acceleration checkpoints
0-60 mph
0-97 km/h
6.0 s
4.8 s
0-100 km/h
0-62 mph
6.3 s
5.1 s
0-200 km/h
0-124 mph
22.6 s
19.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.4 s
2.1 s
330 ft
101 m
6.3 s
5.7 s
1/8 mile
201 m
9.4 s
8.6 s
1000 ft
305 m
12.1 s
11.2 s
1/4 mile
402 m
14.3 s
13.3 s
Trap speed
1/4 mile
402 m
163 km/h
101 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
BMW8 Series (E31)850Ci 5.4
326 hp
243 kW
BMW8 Series Gran Coupe (G16)840d
320 hp
239 kW

BMW 8 Series (E31) 850Ci 5.4 has 6 hp more than BMW 8 Series Gran Coupe (G16) 840d.

The biggest power difference is between BMW 8 Series Gran Coupe (G16) 840d and BMW 8 Series (E31) 850Ci 5.4: 6 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW8 Series (E31)850Ci 5.4
490 Nm
361 lb-ft
BMW8 Series Gran Coupe (G16)840d
680 Nm
502 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW8 Series (E31)850Ci 5.4
1,880 kg
4,145 lb
BMW8 Series Gran Coupe (G16)840d
1,925 kg
4,244 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW8 Series (E31)850Ci 5.4
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW8 Series Gran Coupe (G16)840d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

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

Although BMW 8 Series (E31) 850Ci 5.4 has more power, BMW 8 Series Gran Coupe (G16) 840d is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 8 Series Gran Coupe (G16) 840d and BMW 8 Series (E31) 850Ci 5.4: 1.2 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
BMW8 Series (E31)850Ci 5.4
173 hp/t
129 kW/t
5.8 kg/hp
BMW8 Series Gran Coupe (G16)840d
166 hp/t
124 kW/t
6.0 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW8 Series (E31)850Ci 5.4
326 hp
243 kW
6.3 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW8 Series Gran Coupe (G16)840d
320 hp
239 kW
5.1 s
Unrestricted
260 km/h162 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.

Chart data table
VehiclePerformance scorePracticality score
BMW8 Series (E31)850Ci 5.4
Power
326 hp
243 kW
0-100 km/h6.3 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
BMW8 Series Gran Coupe (G16)840d
Power
320 hp
239 kW
0-100 km/h5.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
440 L
15.5 cu ft
Length
5,082 mm
200.1 in
Height
1,407 mm
55.4 in

Detailed score breakdown

Detailed score breakdown
VehicleBMW8 Series (E31)850Ci 5.4BMW8 Series Gran Coupe (G16)840d
Power
326 hp
243 kW
320 hp
239 kW
Torque
490 Nm
361 lb-ft
680 Nm
502 lb-ft
Acceleration
6.3 s
5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,880 kg
4,145 lb
1,925 kg
4,244 lb
Fuel consumption
-
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
Practicality
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
Doors/seats
4 doors
5 seats
Trunk
440 L
15.5 cu ft
Length
5,082 mm
200.1 in
Height
1,407 mm
55.4 in
Range score
-
1,079 km
671 mi
CO2 score
-
166 g/km
Trunk score
320 L
11.3 cu ft
440 L
15.5 cu ft
Power-to-weight score
173 hp/t
129 kW/t
5.8 kg/hp
166 hp/t
124 kW/t
6.0 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

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

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
VehicleBMW 8 Series Gran Coupe (G16) 840d
Consumption6.3 L/100 km37.3 mpg US44.8 mpg UK
Cost / 100 km11.03 LC100 km
Cost / 100 mi17.74 LC100 mi
Annual fuel used945 L250 US gal208 UK gal
Annual fuel cost1,654 LC/year

Head-to-head comparisons

BMW 8 Series (E31) 850Ci 5.4

  • Has 6 hp more
  • Is 45 kg lighter
  • Has 5 km/h (3 mph) higher top speed
  • Has 7 hp/t better power-to-weight

Pros

  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Smallest trunk

BMW 8 Series Gran Coupe (G16) 840d

  • Has 190 Nm more
  • Is 1.2 s quicker from 0-100 km/h
  • Has 120 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest torque
  • Largest trunk

Cons

  • Lowest power
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 8 Series (E31) 850Ci 5.4
BMW 8 Series Gran Coupe (G16) 840d
Compare selected cars
2 vehicles selected

Popular comparisons

BMW 8 Series (E31) 850Ci 5.4 vs BMW 8 Series Gran Coupe (G16) 840d - car comparison - FastVsFaster