BMW 8 Series Gran Coupe (G16)
Car comparison
BMW 8 Series Gran Coupe (G16) M850i V8vsRolls-Royce Spectre 102 kWh
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonRolls-Royce Spectre
102 kWh
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
BMW 8 Series Gran Coupe (G16) M850i V8
- Quickest 0-100 km/h3.9 s
- Fastest top speed265 km/h165 mph Unrestricted250 km/h155 mph Restricted
- Lightest2,010 kg4,431 lb
- Best power-to-weight264 hp/t197 kW/t3.8 kg/hp
- Best overall score79/100
- Best performance score86/100
- Best economy score79/100
- Best practicality score65/100
Rolls-Royce Spectre 102 kWh
- Most powerful584 hp435 kW
- Highest torque900 Nm664 lb-ft
Specification comparison
| Model | BMW8 Series Gran Coupe (G16)M850i V8 | Rolls-RoyceSpectre102 kWh |
|---|---|---|
| Power | 530hp395kW | 584hp435kW |
| Torque | 750Nm553lb-ft | 900Nm664lb-ft |
| Curb weight | 2,010kg4,431lb | 2,890kg6,371lb |
| Gross weight | 2,600kg5,732lb | - |
| 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 | 53.8s99% target: 262 km/h / 163 mph Calculated | 71.4s99% target: 262 km/h / 163 mph Calculated |
| 0-100 km/h | 3.9s | 4.5s |
| 0-200 km/h | 13.7s Calculated | 16.9s Calculated |
| 0-60 mph | 3.7s Calculated | 4.3s Calculated |
| Fuel consumption | 10.2L/100 km23.1mpg US27.7mpg UK | - |
| Fuel consumption city | 14.3L/100 km16.4mpg US19.8mpg UK | - |
| Fuel consumption highway | 7.8L/100 km30.2mpg US36.2mpg UK | - |
| Quarter mile | 12.0s Calculated | 12.7s Calculated |
| Power-to-weight | 264hp/t197kW/t120hp/1000 lb Calculated | 202hp/t151kW/t92hp/1000 lb Calculated |
| Torque-to-weight | 373Nm/t250lb-ft/ton Calculated | 311Nm/t208lb-ft/ton Calculated |
| Estimated range | 667km414mi Calculated | - |
| Displacement | 4,395cc268cu in | - |
| Length | 5,082mm200in | 5,475mm216in |
| Width | 1,932mm76in | 2,017mm79in |
| Height | 1,407mm55in | 1,573mm62in |
| Wheelbase | 3,023mm119in | 3,210mm126in |
| Front track | 1,627mm64in | - |
| Rear track | 1,671mm66in | - |
| Ground clearance | 128mm5in | - |
| Trunk volume | 440L | - |
| Doors | 4 | 2 |
| Seats | 5 | 4 |
| Fuel tank | 68L | - |
Performance charts
Use the estimates as comparison hints and verify exact figures before making decisions.
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | BMW8 Series Gran Coupe (G16)M850i V8 | Rolls-RoyceSpectre102 kWh |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 3.7 s | 4.3 s |
0-100 km/h 0-62 mph | 3.9 s | 4.5 s |
0-200 km/h 0-124 mph | 13.7 s | 16.9 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 | 1.9 s | 2.0 s |
330 ft 101 m | 5.2 s | 5.4 s |
1/8 mile 201 m | 7.8 s | 8.2 s |
1000 ft 305 m | 10.1 s | 10.7 s |
1/4 mile 402 m | 12.0 s | 12.7 s |
Trap speed 1/4 mile 402 m | 189 km/h 118 mph | 178 km/h 111 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| BMW8 Series Gran Coupe (G16)M850i V8 | 530 hp 395 kW |
| Rolls-RoyceSpectre102 kWh | 584 hp 435 kW |
Rolls-Royce Spectre 102 kWh has 54 hp more than BMW 8 Series Gran Coupe (G16) M850i V8.
The biggest power difference is between BMW 8 Series Gran Coupe (G16) M850i V8 and Rolls-Royce Spectre 102 kWh: 54 hp (40 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| BMW8 Series Gran Coupe (G16)M850i V8 | 750 Nm 553 lb-ft |
| Rolls-RoyceSpectre102 kWh | 900 Nm 664 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| BMW8 Series Gran Coupe (G16)M850i V8 | 2,010 kg 4,431 lb |
| Rolls-RoyceSpectre102 kWh | 2,890 kg 6,371 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| BMW8 Series Gran Coupe (G16)M850i V8 | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| Rolls-RoyceSpectre102 kWh | 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
| Vehicle | Value |
|---|---|
| BMW8 Series Gran Coupe (G16)M850i V8 | 3.9 s |
| Rolls-RoyceSpectre102 kWh | 4.5 s |
Although Rolls-Royce Spectre 102 kWh has more power, BMW 8 Series Gran Coupe (G16) M850i V8 is quicker from 0-100 km/h.
The biggest 0-100 km/h difference is between BMW 8 Series Gran Coupe (G16) M850i V8 and Rolls-Royce Spectre 102 kWh: 0.6 s.
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| BMW8 Series Gran Coupe (G16)M850i V8 | 264 hp/t 197 kW/t 3.8 kg/hp |
| Rolls-RoyceSpectre102 kWh | 202 hp/t 151 kW/t 4.9 kg/hp |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| BMW8 Series Gran Coupe (G16)M850i V8 | 530 hp 395 kW | 3.9 s | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| Rolls-RoyceSpectre102 kWh | 584 hp 435 kW | 4.5 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)M850i V8 |
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| Rolls-RoyceSpectre102 kWh |
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Detailed score breakdown
| Vehicle | BMW8 Series Gran Coupe (G16)M850i V8 | Rolls-RoyceSpectre102 kWh | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 530 hp 395 kW | 584 hp 435 kW | ||||||||||||||||
| Torque | 750 Nm 553 lb-ft | 900 Nm 664 lb-ft | ||||||||||||||||
| Acceleration | 3.9 s | 4.5 s | ||||||||||||||||
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph | ||||||||||||||||
| Lightness | 2,010 kg 4,431 lb | 2,890 kg 6,371 lb | ||||||||||||||||
| Fuel consumption | 10.2 L/100 km 23.1 mpg US 27.7 mpg UK | - | ||||||||||||||||
| Practicality |
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| Range score | 667 km 414 mi | - | ||||||||||||||||
| Trunk score | 440 L 15.5 cu ft | - | ||||||||||||||||
| Power-to-weight score | 264 hp/t 197 kW/t 3.8 kg/hp | 202 hp/t 151 kW/t 4.9 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
| Vehicle | BMW 8 Series Gran Coupe (G16) M850i V8 |
|---|---|
| Consumption | 10.2 L/100 km23.1 mpg US27.7 mpg UK |
| Cost / 100 km | 17.85 LC100 km |
| Cost / 100 mi | 28.73 LC100 mi |
| Annual fuel used | 1,530 L404 US gal337 UK gal |
| Annual fuel cost | 2,678 LC/year |
Head-to-head comparisons
BMW 8 Series Gran Coupe (G16) M850i V8
- Is 880 kg lighter
- Is 0.6 s quicker from 0-100 km/h
- Has 62 hp/t better power-to-weight
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Lightest
- Best power-to-weight ratio
Cons
- Lowest power
Rolls-Royce Spectre 102 kWh
- Has 54 hp more
- Has 150 Nm more
Pros
- Most powerful
- Highest torque
Cons
- Slowest 0-100 km/h
- Heaviest
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