Car comparison

Maserati GranTurismo I S 4.7vsRolls-Royce Phantom Coupe 6.75 i V12

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

New comparison

Maserati GranTurismo I

S 4.7

440 hpGasolineRWDNaturally aspiratedCoupe2008-2012
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

Maserati GranTurismo I S 4.7

  • Quickest 0-100 km/h
    5.0 s
  • Fastest top speed
    295 km/h
    183 mph
  • Lightest
    1,880 kg
    4,145 lb
  • Best power-to-weight
    234 hp/t
    175 kW/t
    4.3 kg/hp
  • Lowest combined fuel consumption
    15.2 L/100 km
    15.4 mpg US
    18.5 mpg UK
  • Lowest highway consumption
    10.6 L/100 km
    22.3 mpg US
    26.8 mpg UK
  • Best performance score
    77/100
  • Best economy score
    66/100

Rolls-Royce Phantom Coupe 6.75 i V12

  • Most powerful
    460 hp
    343 kW
  • Highest torque
    720 Nm
    531 lb-ft
  • Lowest city consumption
    23.2 L/100 km
    10.1 mpg US
    12.2 mpg UK
  • Best estimated range
    637 km
    396 mi
  • Largest trunk
    395 L
  • Best overall score
    70/100
  • Best practicality score
    58/100

Specification comparison

Specification comparison
ModelMaseratiGranTurismo IS 4.7Rolls-RoycePhantom Coupe6.75 i V12
Power
440hp328kW
460hp343kW
Torque
490Nm361lb-ft
720Nm531lb-ft
Curb weight
1,880kg4,145lb
2,590kg5,710lb
Gross weight-
3,050kg6,724lb
Top speed
295 km/h
183 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
83.0s99% target: 292 km/h / 181 mph
Calculated
104.7s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.0s
5.8s
0-200 km/h
16.2s
Calculated
23.1s
Calculated
0-60 mph
4.8s
Calculated
5.5s
Calculated
Fuel consumption
15.2L/100 km15.4mpg US18.5mpg UK
15.7L/100 km15mpg US18.0mpg UK
Fuel consumption city
23.2L/100 km10.1mpg US12.2mpg UK
23.2L/100 km10.1mpg US12.2mpg UK
Fuel consumption highway
10.6L/100 km22.3mpg US26.8mpg UK
11.3L/100 km20.8mpg US25.0mpg UK
Quarter mile
13.0s
Calculated
14.0s
Calculated
Power-to-weight
234hp/t175kW/t106hp/1000 lb
Calculated
178hp/t132kW/t81hp/1000 lb
Calculated
Torque-to-weight
261Nm/t174lb-ft/ton
Calculated
278Nm/t186lb-ft/ton
Calculated
Estimated range
565km351mi
Calculated
637km396mi
Calculated
Displacement-
6,749cc412cu in
Length
4,881mm192in
5,609mm221in
Width
2,056mm81in
1,987mm78in
Height
1,353mm53in
1,592mm63in
Wheelbase
2,942mm116in
3,320mm131in
Front track-
1,685mm66in
Rear track-
1,670mm66in
Trunk volume
260L
395L
Doors
2
2
Seats
4
5
Fuel tank
86L
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.

Maserati GranTurismo I S 4.7Rolls-Royce Phantom Coupe 6.75 i V12PowerTorque
  • Maserati GranTurismo I S 4.7: Power / Torque
  • Rolls-Royce Phantom Coupe 6.75 i V12: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
MaseratiGranTurismo IS 4.77,000 rpm4,750 rpm7,250 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
MetricMaseratiGranTurismo IS 4.7Rolls-RoycePhantom Coupe6.75 i V12
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
5.5 s
0-100 km/h
0-62 mph
5.0 s
5.8 s
0-200 km/h
0-124 mph
16.2 s
23.1 s
Top speed
295 km/h
183 mph
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
5.7 s
5.9 s
1/8 mile
201 m
8.6 s
9.0 s
1000 ft
305 m
11.0 s
11.7 s
1/4 mile
402 m
13.0 s
14.0 s
Trap speed
1/4 mile
402 m
180 km/h
112 mph
162 km/h
101 mph

Power comparison

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

Chart data table
VehicleValue
MaseratiGranTurismo IS 4.7
440 hp
328 kW
Rolls-RoycePhantom Coupe6.75 i V12
460 hp
343 kW

Rolls-Royce Phantom Coupe 6.75 i V12 has 20 hp more than Maserati GranTurismo I S 4.7.

The biggest power difference is between Maserati GranTurismo I S 4.7 and Rolls-Royce Phantom Coupe 6.75 i V12: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
MaseratiGranTurismo IS 4.7
490 Nm
361 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
MaseratiGranTurismo IS 4.7
1,880 kg
4,145 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
MaseratiGranTurismo IS 4.7
295 km/h
183 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
MaseratiGranTurismo IS 4.75.0 s
Rolls-RoycePhantom Coupe6.75 i V125.8 s

Although Rolls-Royce Phantom Coupe 6.75 i V12 has more power, Maserati GranTurismo I S 4.7 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Maserati GranTurismo I S 4.7 and Rolls-Royce Phantom Coupe 6.75 i V12: 0.8 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
MaseratiGranTurismo IS 4.7
15.2 L/100 km
15.4 mpg US
18.5 mpg UK
Rolls-RoycePhantom Coupe6.75 i V12
15.7 L/100 km
15.0 mpg US
18.0 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
MaseratiGranTurismo IS 4.7
234 hp/t
175 kW/t
4.3 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
MaseratiGranTurismo IS 4.7
565 km
351 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
MaseratiGranTurismo IS 4.7
440 hp
328 kW
5.0 s
295 km/h
183 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
MaseratiGranTurismo IS 4.7
Power
440 hp
328 kW
0-100 km/h5.0 s
Top speed
295 km/h
183 mph
Doors/seats
2 doors
4 seats
Trunk
260 L
9.2 cu ft
Length
4,881 mm
192.2 in
Height
1,353 mm
53.3 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
MaseratiGranTurismo IS 4.7
Power
440 hp
328 kW
0-100 km/h5.0 s
Top speed
295 km/h
183 mph
15.2 L/100 km
15.4 mpg US
18.5 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

Maserati GranTurismo I S 4.7 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
MaseratiGranTurismo IS 4.7
15.2 L/100 km
15.4 mpg US
18.5 mpg UK
5.0 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
MaseratiGranTurismo IS 4.7
234 hp/t
175 kW/t
4.3 kg/hp
15.2 L/100 km
15.4 mpg US
18.5 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
VehicleMaseratiGranTurismo IS 4.7Rolls-RoycePhantom Coupe6.75 i V12
Power
440 hp
328 kW
460 hp
343 kW
Torque
490 Nm
361 lb-ft
720 Nm
531 lb-ft
Acceleration
5.0 s
5.8 s
Top speed
295 km/h
183 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,880 kg
4,145 lb
2,590 kg
5,710 lb
Fuel consumption
15.2 L/100 km
15.4 mpg US
18.5 mpg UK
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
260 L
9.2 cu ft
Length
4,881 mm
192.2 in
Height
1,353 mm
53.3 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
565 km
351 mi
637 km
396 mi
Trunk score
260 L
9.2 cu ft
395 L
13.9 cu ft
Power-to-weight score
234 hp/t
175 kW/t
4.3 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
VehicleMaserati GranTurismo I S 4.7Rolls-Royce Phantom Coupe 6.75 i V12
Consumption15.2 L/100 km15.4 mpg US18.5 mpg UK15.7 L/100 km15 mpg US18 mpg UK
Cost / 100 km26.65 LC100 km27.47 LC100 km
Cost / 100 mi42.89 LC100 mi44.22 LC100 mi
Annual fuel used2,285 L604 US gal503 UK gal2,355 L622 US gal518 UK gal
Annual fuel cost3,998 LC/year4,121 LC/year

Head-to-head comparisons

Maserati GranTurismo I S 4.7

  • Is 710 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 30 km/h (19 mph) higher top speed
  • Uses 0.5 L/100 km less fuel
  • Has 56 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power
  • Smallest trunk

Rolls-Royce Phantom Coupe 6.75 i V12

  • Has 20 hp more
  • Has 230 Nm more
  • Has 72 km (45 mi) more estimated range
  • Has 135 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Maserati GranTurismo I S 4.7
Rolls-Royce Phantom Coupe 6.75 i V12
Compare selected cars
2 vehicles selected

Popular comparisons

S 4.7
Sport 4.7 V8
VS
MaseratiGranTurismo IS 4.7vsMaseratiGranTurismo IFacelift 2017Sport 4.7 V8
6.75 i V12
4.2 FSI V8
VS
Rolls-RoycePhantom Coupe6.75 i V12vsAUDIRS5 Coupe (8T)4.2 FSI V8
S 4.7
3.0 V6
VS
MaseratiGranTurismo IS 4.7vsMaseratiGranTurismo IIFacelift 20263.0 V6
6.75 i V12
S 4.7 i V8 32V
VS
Rolls-RoycePhantom Coupe6.75 i V12vsMaseratiGranTurismo IS 4.7 i V8 32V
S 4.7
Modena 3.0 V6
VS
MaseratiGranTurismo IS 4.7vsMaseratiGranTurismo IIModena 3.0 V6
6.75 i V12
5.0 V8
VS
Rolls-RoycePhantom Coupe6.75 i V12vsJaguarXK Coupe (X150)Facelift 20095.0 V8
S 4.7
4.2 i V8 32V
VS
MaseratiGranTurismo IS 4.7vsMaseratiGranSport4.2 i V8 32V
6.75 i V12
E 500 V8
VS
Rolls-RoycePhantom Coupe6.75 i V12vsMercedes-BenzE-class Coupe (C207)E 500 V8
S 4.7
4200 GT 4.2i V8 32V
VS
MaseratiGranTurismo IS 4.7vsMaseratiCoupe4200 GT 4.2i V8 32V
6.75 i V12
V 4.4 i V8 32V
VS
Rolls-RoycePhantom Coupe6.75 i V12vsCadillacXLRV 4.4 i V8 32V
S 4.7
4.7 V8
VS
MaseratiGranTurismo IS 4.7vsAston MartinV8 VantageFacelift 20084.7 V8
6.75 i V12
650i
VS
Rolls-RoycePhantom Coupe6.75 i V12vsBMW6 Series Coupe (F13)650i
Maserati GranTurismo I S 4.7 vs Rolls-Royce Phantom Coupe 6.75 i V12 - car comparison - FastVsFaster