Car comparison

Maserati GranCabrio I MC 4.7 V8vsBMW 6 Series Convertible (F12) 650i

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

New comparison

Maserati GranCabrio I

MC 4.7 V8

460 hp4691 ccGasolineRWDAutomaticNaturally aspiratedCabriolet / convertible2013-2017
VS

BMW 6 Series Convertible (F12)

650i

450 hp4395 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2012-2015

Comparison overview

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

Best choices

BMW 6 Series Convertible (F12) 650i

  • Quickest 0-100 km/h
    4.6 s
  • Highest torque
    650 Nm
    479 lb-ft
  • Lightest
    1,940 kg
    4,277 lb
  • Lowest combined fuel consumption
    9.2 L/100 km
    25.6 mpg US
    30.7 mpg UK
  • Lowest city consumption
    12.8 L/100 km
    18.4 mpg US
    22.1 mpg UK
  • Lowest highway consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Lowest CO2 emissions
    214 g/km
  • Best estimated range
    761 km
    473 mi
  • Largest trunk
    300 L
  • Best overall score
    68/100
  • Best performance score
    79/100
  • Best economy score
    82/100
  • Best practicality score
    45/100

Specification comparison

Specification comparison
ModelMaseratiGranCabrio IMC 4.7 V8BMW6 Series Convertible (F12)650i
Power
460hp343kW
450hp336kW
Torque
520Nm384lb-ft
650Nm479lb-ft
Curb weight
1,973kg4,350lb
1,940kg4,277lb
Gross weight-
2,420kg5,335lb
Top speed
289 km/h
180 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
77.0s99% target: 286 km/h / 178 mph
Calculated
62.2s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.9s
4.6s
0-200 km/h
15.9s
Calculated
16.6s
Calculated
0-60 mph
4.7s
Calculated
4.4s
Calculated
Fuel consumption
14.5L/100 km16.2mpg US19.5mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption city
22.5L/100 km10.5mpg US12.6mpg UK
12.8L/100 km18.4mpg US22.1mpg UK
Fuel consumption highway
9.8L/100 km24mpg US28.8mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
12.9s
Calculated
12.7s
Calculated
Power-to-weight
233hp/t174kW/t106hp/1000 lb
Calculated
232hp/t173kW/t105hp/1000 lb
Calculated
Torque-to-weight
264Nm/t176lb-ft/ton
Calculated
335Nm/t224lb-ft/ton
Calculated
Estimated range
517km321mi
Calculated
761km473mi
Calculated
Displacement
4,691cc286cu in
4,395cc268cu in
Length
4,933mm194in
4,894mm193in
Width
1,915mm75in
1,894mm75in
Height
1,343mm53in
1,365mm54in
Wheelbase
2,942mm116in
2,855mm112in
Front track
1,586mm62in
1,600mm63in
Rear track
1,590mm63in
1,665mm66in
Ground clearance-
123mm5in
Trunk volume
173L
300L
Max trunk volume-
350L
Doors
2
2
Seats
4
4
Fuel tank
75L
70L
CO2 emissions
337g/km
214g/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.

Maserati GranCabrio I MC 4.7 V8BMW 6 Series Convertible (F12) 650iPowerTorque
  • Maserati GranCabrio I MC 4.7 V8: Power / Torque
  • BMW 6 Series Convertible (F12) 650i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
MaseratiGranCabrio IMC 4.7 V87,000 rpm4,750 rpm7,250 rpm
BMW6 Series Convertible (F12)650i5,500 rpm2,000-4,500 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMaseratiGranCabrio IMC 4.7 V8BMW6 Series Convertible (F12)650i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
4.4 s
0-100 km/h
0-62 mph
4.9 s
4.6 s
0-200 km/h
0-124 mph
15.9 s
16.6 s
Top speed
289 km/h
180 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.1 s
330 ft
101 m
5.7 s
5.5 s
1/8 mile
201 m
8.5 s
8.3 s
1000 ft
305 m
10.9 s
10.7 s
1/4 mile
402 m
12.9 s
12.7 s
Trap speed
1/4 mile
402 m
181 km/h
112 mph
179 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
MaseratiGranCabrio IMC 4.7 V8
460 hp
343 kW
BMW6 Series Convertible (F12)650i
450 hp
336 kW

Maserati GranCabrio I MC 4.7 V8 has 10 hp more than BMW 6 Series Convertible (F12) 650i.

The biggest power difference is between BMW 6 Series Convertible (F12) 650i and Maserati GranCabrio I MC 4.7 V8: 10 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
MaseratiGranCabrio IMC 4.7 V8
520 Nm
384 lb-ft
BMW6 Series Convertible (F12)650i
650 Nm
479 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
MaseratiGranCabrio IMC 4.7 V8
1,973 kg
4,350 lb
BMW6 Series Convertible (F12)650i
1,940 kg
4,277 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
MaseratiGranCabrio IMC 4.7 V8
289 km/h
180 mph
BMW6 Series Convertible (F12)650i
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

Chart data table
VehicleValue
MaseratiGranCabrio IMC 4.7 V84.9 s
BMW6 Series Convertible (F12)650i4.6 s

Although Maserati GranCabrio I MC 4.7 V8 has more power, BMW 6 Series Convertible (F12) 650i is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 6 Series Convertible (F12) 650i and Maserati GranCabrio I MC 4.7 V8: 0.3 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
MaseratiGranCabrio IMC 4.7 V8
14.5 L/100 km
16.2 mpg US
19.5 mpg UK
BMW6 Series Convertible (F12)650i
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

The biggest fuel consumption difference is between BMW 6 Series Convertible (F12) 650i and Maserati GranCabrio I MC 4.7 V8: 5.3 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
MaseratiGranCabrio IMC 4.7 V8
233 hp/t
174 kW/t
4.3 kg/hp
BMW6 Series Convertible (F12)650i
232 hp/t
173 kW/t
4.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
MaseratiGranCabrio IMC 4.7 V8
517 km
321 mi
BMW6 Series Convertible (F12)650i
761 km
473 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
MaseratiGranCabrio IMC 4.7 V8
460 hp
343 kW
4.9 s
289 km/h
180 mph
BMW6 Series Convertible (F12)650i
450 hp
336 kW
4.6 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
MaseratiGranCabrio IMC 4.7 V8
Power
460 hp
343 kW
0-100 km/h4.9 s
Top speed
289 km/h
180 mph
Doors/seats
2 doors
4 seats
Trunk
173 L
6.1 cu ft
Length
4,933 mm
194.2 in
Height
1,343 mm
52.9 in
BMW6 Series Convertible (F12)650i
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,894 mm
192.7 in
Height
1,365 mm
53.7 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
MaseratiGranCabrio IMC 4.7 V8
Power
460 hp
343 kW
0-100 km/h4.9 s
Top speed
289 km/h
180 mph
14.5 L/100 km
16.2 mpg US
19.5 mpg UK
BMW6 Series Convertible (F12)650i
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

BMW 6 Series Convertible (F12) 650i 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
MaseratiGranCabrio IMC 4.7 V8
14.5 L/100 km
16.2 mpg US
19.5 mpg UK
4.9 s
BMW6 Series Convertible (F12)650i
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
4.6 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
MaseratiGranCabrio IMC 4.7 V8
233 hp/t
174 kW/t
4.3 kg/hp
14.5 L/100 km
16.2 mpg US
19.5 mpg UK
BMW6 Series Convertible (F12)650i
232 hp/t
173 kW/t
4.3 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMaseratiGranCabrio IMC 4.7 V8BMW6 Series Convertible (F12)650i
Power
460 hp
343 kW
450 hp
336 kW
Torque
520 Nm
384 lb-ft
650 Nm
479 lb-ft
Acceleration
4.9 s
4.6 s
Top speed
289 km/h
180 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,973 kg
4,350 lb
1,940 kg
4,277 lb
Fuel consumption
14.5 L/100 km
16.2 mpg US
19.5 mpg UK
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
173 L
6.1 cu ft
Length
4,933 mm
194.2 in
Height
1,343 mm
52.9 in
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,894 mm
192.7 in
Height
1,365 mm
53.7 in
Range score
517 km
321 mi
761 km
473 mi
CO2 score
337 g/km
214 g/km
Trunk score
173 L
6.1 cu ft
300 L
10.6 cu ft
Power-to-weight score
233 hp/t
174 kW/t
4.3 kg/hp
232 hp/t
173 kW/t
4.3 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 GranCabrio I MC 4.7 V8BMW 6 Series Convertible (F12) 650i
Consumption14.5 L/100 km16.2 mpg US19.5 mpg UK9.2 L/100 km25.6 mpg US30.7 mpg UK
Cost / 100 km25.38 LC100 km16.10 LC100 km
Cost / 100 mi40.84 LC100 mi25.91 LC100 mi
Annual fuel used2,175 L575 US gal478 UK gal1,380 L365 US gal304 UK gal
Annual fuel cost3,806 LC/year2,415 LC/year

Head-to-head comparisons

Maserati GranCabrio I MC 4.7 V8

  • Has 10 hp more
  • Has 29 km/h (18 mph) higher top speed
  • Has 1 hp/t better power-to-weight

Pros

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

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

BMW 6 Series Convertible (F12) 650i

  • Has 130 Nm more
  • Is 33 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 5.3 L/100 km less fuel
  • Has 244 km (151 mi) more estimated range
  • Has 127 L more trunk volume
  • Emits 123 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Maserati GranCabrio I MC 4.7 V8
BMW 6 Series Convertible (F12) 650i
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