Car comparison

BMW M3 Coupe (E92) 4.0 V8vsRolls-Royce Phantom Coupe 6.75 i V12

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

New comparison

BMW M3 Coupe (E92)

4.0 V8

420 hp3999 ccGasolineRWDDual-clutchNaturally aspiratedCoupe2008-2010
VS

Rolls-Royce Phantom Coupe

6.75 i V12

460 hp6749 ccGasolineRWDAutomaticNaturally aspiratedCoupe2008-2012

Comparison overview

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

Best choices

BMW M3 Coupe (E92) 4.0 V8

  • Quickest 0-100 km/h
    4.6 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,600 kg
    3,527 lb
  • Best power-to-weight
    263 hp/t
    196 kW/t
    3.8 kg/hp
  • Lowest combined fuel consumption
    11.9 L/100 km
    19.8 mpg US
    23.7 mpg UK
  • Lowest city consumption
    17.0 L/100 km
    13.8 mpg US
    16.6 mpg UK
  • Lowest highway consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Largest trunk
    430 L
  • Best economy score
    75/100

Rolls-Royce Phantom Coupe 6.75 i V12

  • Most powerful
    460 hp
    343 kW
  • Highest torque
    720 Nm
    531 lb-ft
  • Best estimated range
    637 km
    396 mi
  • Best overall score
    70/100
  • Best performance score
    75/100
  • Best practicality score
    58/100

Specification comparison

Specification comparison
ModelBMWM3 Coupe (E92)4.0 V8Rolls-RoycePhantom Coupe6.75 i V12
Power
420hp313kW
460hp343kW
Torque
400Nm295lb-ft
720Nm531lb-ft
Curb weight
1,600kg3,527lb
2,590kg5,710lb
Gross weight
2,080kg4,586lb
3,050kg6,724lb
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
53.7s99% target: 262 km/h / 163 mph
Calculated
104.7s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.6s
5.8s
0-200 km/h
14.9s
23.1s
Calculated
0-60 mph
4.4s
Calculated
5.5s
Calculated
Fuel consumption
11.9L/100 km19.8mpg US23.7mpg UK
15.7L/100 km15mpg US18.0mpg UK
Fuel consumption city
17L/100 km13.8mpg US16.6mpg UK
23.2L/100 km10.1mpg US12.2mpg UK
Fuel consumption highway
9L/100 km26.1mpg US31.4mpg UK
11.3L/100 km20.8mpg US25.0mpg UK
Quarter mile
12.6s
Calculated
14.0s
Calculated
Power-to-weight
263hp/t196kW/t119hp/1000 lb
Calculated
178hp/t132kW/t81hp/1000 lb
Calculated
Torque-to-weight
250Nm/t167lb-ft/ton
Calculated
278Nm/t186lb-ft/ton
Calculated
Estimated range
529km329mi
Calculated
637km396mi
Calculated
Displacement
3,999cc244cu in
6,749cc412cu in
Length
4,615mm182in
5,609mm221in
Width
1,804mm71in
1,987mm78in
Height
1,418mm56in
1,592mm63in
Wheelbase
2,761mm109in
3,320mm131in
Front track
1,540mm61in
1,685mm66in
Rear track
1,539mm61in
1,670mm66in
Trunk volume
430L
395L
Doors
2
2
Seats
4
5
Fuel tank
63L
100L

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 M3 Coupe (E92) 4.0 V8Rolls-Royce Phantom Coupe 6.75 i V12PowerTorque
  • BMW M3 Coupe (E92) 4.0 V8: Power / Torque
  • Rolls-Royce Phantom Coupe 6.75 i V12: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWM3 Coupe (E92)4.0 V88,300 rpm3,900 rpm8,550 rpm
Rolls-RoycePhantom Coupe6.75 i V125,350 rpm3,500 rpm5,600 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWM3 Coupe (E92)4.0 V8Rolls-RoycePhantom Coupe6.75 i V12
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
5.5 s
0-100 km/h
0-62 mph
4.6 s
5.8 s
0-200 km/h
0-124 mph
14.9 s
23.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.6 s
5.9 s
1/8 mile
201 m
8.3 s
9.0 s
1000 ft
305 m
10.7 s
11.7 s
1/4 mile
402 m
12.6 s
14.0 s
Trap speed
1/4 mile
402 m
186 km/h
115 mph
162 km/h
101 mph

Power comparison

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

Chart data table
VehicleValue
BMWM3 Coupe (E92)4.0 V8
420 hp
313 kW
Rolls-RoycePhantom Coupe6.75 i V12
460 hp
343 kW

Rolls-Royce Phantom Coupe 6.75 i V12 has 40 hp more than BMW M3 Coupe (E92) 4.0 V8.

The biggest power difference is between BMW M3 Coupe (E92) 4.0 V8 and Rolls-Royce Phantom Coupe 6.75 i V12: 40 hp (30 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWM3 Coupe (E92)4.0 V8
400 Nm
295 lb-ft
Rolls-RoycePhantom Coupe6.75 i V12
720 Nm
531 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWM3 Coupe (E92)4.0 V8
1,600 kg
3,527 lb
Rolls-RoycePhantom Coupe6.75 i V12
2,590 kg
5,710 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWM3 Coupe (E92)4.0 V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Rolls-RoycePhantom Coupe6.75 i V12
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
VehicleValue
BMWM3 Coupe (E92)4.0 V84.6 s
Rolls-RoycePhantom Coupe6.75 i V125.8 s

Although Rolls-Royce Phantom Coupe 6.75 i V12 has more power, BMW M3 Coupe (E92) 4.0 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW M3 Coupe (E92) 4.0 V8 and Rolls-Royce Phantom Coupe 6.75 i V12: 1.2 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
BMWM3 Coupe (E92)4.0 V8
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Rolls-RoycePhantom Coupe6.75 i V12
15.7 L/100 km
15.0 mpg US
18.0 mpg UK

The biggest fuel consumption difference is between BMW M3 Coupe (E92) 4.0 V8 and Rolls-Royce Phantom Coupe 6.75 i V12: 3.8 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
BMWM3 Coupe (E92)4.0 V8
263 hp/t
196 kW/t
3.8 kg/hp
Rolls-RoycePhantom Coupe6.75 i V12
178 hp/t
132 kW/t
5.6 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
BMWM3 Coupe (E92)4.0 V8
529 km
329 mi
Rolls-RoycePhantom Coupe6.75 i V12
637 km
396 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWM3 Coupe (E92)4.0 V8
420 hp
313 kW
4.6 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Rolls-RoycePhantom Coupe6.75 i V12
460 hp
343 kW
5.8 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.

Chart data table
VehiclePerformance scorePracticality score
BMWM3 Coupe (E92)4.0 V8
Power
420 hp
313 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
430 L
15.2 cu ft
Length
4,615 mm
181.7 in
Height
1,418 mm
55.8 in
Rolls-RoycePhantom Coupe6.75 i V12
Power
460 hp
343 kW
0-100 km/h5.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
5 seats
Trunk
395 L
13.9 cu ft
Length
5,609 mm
220.8 in
Height
1,592 mm
62.7 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
BMWM3 Coupe (E92)4.0 V8
Power
420 hp
313 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Rolls-RoycePhantom Coupe6.75 i V12
Power
460 hp
343 kW
0-100 km/h5.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
15.7 L/100 km
15.0 mpg US
18.0 mpg UK

BMW M3 Coupe (E92) 4.0 V8 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
BMWM3 Coupe (E92)4.0 V8
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
4.6 s
Rolls-RoycePhantom Coupe6.75 i V12
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
5.8 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
BMWM3 Coupe (E92)4.0 V8
263 hp/t
196 kW/t
3.8 kg/hp
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Rolls-RoycePhantom Coupe6.75 i V12
178 hp/t
132 kW/t
5.6 kg/hp
15.7 L/100 km
15.0 mpg US
18.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWM3 Coupe (E92)4.0 V8Rolls-RoycePhantom Coupe6.75 i V12
Power
420 hp
313 kW
460 hp
343 kW
Torque
400 Nm
295 lb-ft
720 Nm
531 lb-ft
Acceleration
4.6 s
5.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,600 kg
3,527 lb
2,590 kg
5,710 lb
Fuel consumption
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
430 L
15.2 cu ft
Length
4,615 mm
181.7 in
Height
1,418 mm
55.8 in
Doors/seats
2 doors
5 seats
Trunk
395 L
13.9 cu ft
Length
5,609 mm
220.8 in
Height
1,592 mm
62.7 in
Range score
529 km
329 mi
637 km
396 mi
Trunk score
430 L
15.2 cu ft
395 L
13.9 cu ft
Power-to-weight score
263 hp/t
196 kW/t
3.8 kg/hp
178 hp/t
132 kW/t
5.6 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 M3 Coupe (E92) 4.0 V8Rolls-Royce Phantom Coupe 6.75 i V12
Consumption11.9 L/100 km19.8 mpg US23.7 mpg UK15.7 L/100 km15 mpg US18 mpg UK
Cost / 100 km20.83 LC100 km27.47 LC100 km
Cost / 100 mi33.51 LC100 mi44.22 LC100 mi
Annual fuel used1,785 L472 US gal393 UK gal2,355 L622 US gal518 UK gal
Annual fuel cost3,124 LC/year4,121 LC/year

Head-to-head comparisons

BMW M3 Coupe (E92) 4.0 V8

  • Is 990 kg lighter
  • Is 1.2 s quicker from 0-100 km/h
  • Uses 3.8 L/100 km less fuel
  • Has 85 hp/t better power-to-weight
  • Has 35 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest power

Rolls-Royce Phantom Coupe 6.75 i V12

  • Has 40 hp more
  • Has 320 Nm more
  • Has 108 km (67 mi) more estimated range

Pros

  • Most powerful
  • Highest torque
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW M3 Coupe (E92) 4.0 V8
Rolls-Royce Phantom Coupe 6.75 i V12
Compare selected cars
2 vehicles selected

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