Car comparison

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

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

New comparison

Maserati GranCabrio I

4.7

440 hp4691 ccGasolineRWDNaturally aspiratedCabriolet / convertible2010-2011

BMW 6 Series Convertible (F12)

650i

407 hp4395 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2011-2012

Comparison overview

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

BMW 6 Series Convertible (F12) 650i

Quickest 0-100 km/h
5.0 s
Highest torque
600 Nm
443 lb-ft
Lowest combined fuel consumption
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
Lowest city consumption
15.5 L/100 km
15.2 mpg US
18.2 mpg UK
Lowest highway consumption
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
Best estimated range
654 km
407 mi
Largest trunk
300 L
Best economy score
78/100
Best practicality score
45/100

Maserati GranCabrio I 4.7

Fastest top speed
283 km/h
176 mph
Most powerful
440 hp
328 kW
Lightest
1,887 kg
4,160 lb
Best power-to-weight
233 hp/t
174 kW/t
4.3 kg/hp
Best overall score
66/100
Best performance score
76/100

Specification comparison

Specification comparison
Model	MaseratiGranCabrio I4.7	BMW6 Series Convertible (F12)650i
Power	440hp328kW	407hp304kW
Torque	490Nm361lb-ft	600Nm443lb-ft
Curb weight	1,887kg4,160lb	1,940kg4,277lb
Gross weight	1,980kg4,365lb	2,390kg5,269lb
Top speed	283 km/h 176 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	80.0s99% target: 280 km/h / 174 mph Calculated	70.2s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	5.3s	5.0s
0-200 km/h	17.5s Calculated	18.3s Calculated
0-60 mph	5.0s Calculated	4.7s Calculated
Fuel consumption	15.2L/100 km15.4mpg US18.5mpg UK	10.7L/100 km22mpg US26.4mpg UK
Fuel consumption city	23.2L/100 km10.1mpg US12.2mpg UK	15.5L/100 km15.2mpg US18.2mpg UK
Fuel consumption highway	10.6L/100 km22.3mpg US26.8mpg UK	7.9L/100 km29.8mpg US35.8mpg UK
Quarter mile	13.4s Calculated	13.2s Calculated
Power-to-weight	233hp/t174kW/t106hp/1000 lb Calculated	210hp/t156kW/t95hp/1000 lb Calculated
Torque-to-weight	260Nm/t174lb-ft/ton Calculated	309Nm/t207lb-ft/ton Calculated
Estimated range	492km306mi Calculated	654km407mi Calculated
Displacement	4,691cc286cu in	4,395cc268cu in
Length	4,881mm192in	4,894mm193in
Width	1,915mm75in	1,894mm75in
Height	1,353mm53in	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	3	2
Seats	4	4
Fuel tank	75L	70L
CO2 emissions	-	249g/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 4.7BMW 6 Series Convertible (F12) 650iPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
MaseratiGranCabrio I4.7	7,000 rpm	4,750 rpm	7,250 rpm
BMW6 Series Convertible (F12)650i	5,500-6,400 rpm	1,750-4,500 rpm	6,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	MaseratiGranCabrio I4.7	BMW6 Series Convertible (F12)650i
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.0 s	4.7 s
0-100 km/h 0-62 mph	5.3 s	5.0 s
0-200 km/h 0-124 mph	17.5 s	18.3 s
Top speed	283 km/h 176 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	5.9 s	5.7 s
1/8 mile 201 m	8.8 s	8.6 s
1000 ft 305 m	11.3 s	11.1 s
1/4 mile 402 m	13.4 s	13.2 s
Trap speed 1/4 mile 402 m	176 km/h 109 mph	174 km/h 108 mph

Power comparison

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

Chart data table
Vehicle	Value
MaseratiGranCabrio I4.7	440 hp 328 kW
BMW6 Series Convertible (F12)650i	407 hp 304 kW

Maserati GranCabrio I 4.7 has 33 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 4.7: 33 hp (25 kW).

Torque comparison

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

Chart data table
Vehicle	Value
MaseratiGranCabrio I4.7	490 Nm 361 lb-ft
BMW6 Series Convertible (F12)650i	600 Nm 443 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
MaseratiGranCabrio I4.7	1,887 kg 4,160 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
Vehicle	Value
MaseratiGranCabrio I4.7	283 km/h 176 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
Vehicle	Value
MaseratiGranCabrio I4.7	5.3 s
BMW6 Series Convertible (F12)650i	5.0 s

Although Maserati GranCabrio I 4.7 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 4.7: 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
Vehicle	Value
MaseratiGranCabrio I4.7	15.2 L/100 km 15.4 mpg US 18.5 mpg UK
BMW6 Series Convertible (F12)650i	10.7 L/100 km 22.0 mpg US 26.4 mpg UK

The biggest fuel consumption difference is between BMW 6 Series Convertible (F12) 650i and Maserati GranCabrio I 4.7: 4.5 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
MaseratiGranCabrio I4.7	233 hp/t 174 kW/t 4.3 kg/hp
BMW6 Series Convertible (F12)650i	210 hp/t 156 kW/t 4.8 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
MaseratiGranCabrio I4.7	492 km 306 mi
BMW6 Series Convertible (F12)650i	654 km 407 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
MaseratiGranCabrio I4.7	440 hp 328 kW	5.3 s	283 km/h 176 mph
BMW6 Series Convertible (F12)650i	407 hp 304 kW	5.0 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.

Vehicle

Performance score

Practicality score

MaseratiGranCabrio I4.7

Power	440 hp 328 kW
0-100 km/h	5.3 s
Top speed 283 km/h 176 mph

Doors/seats	3 doors 4 seats
Trunk	173 L 6.1 cu ft
Length	4,881 mm 192.2 in
Height	1,353 mm 53.3 in

BMW6 Series Convertible (F12)650i

Power	407 hp 304 kW
0-100 km/h	5.0 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.

Vehicle

Performance score

Fuel economy score

MaseratiGranCabrio I4.7

Power	440 hp 328 kW
0-100 km/h	5.3 s
Top speed 283 km/h 176 mph

15.2 L/100 km

15.4 mpg US

18.5 mpg UK

BMW6 Series Convertible (F12)650i

Power	407 hp 304 kW
0-100 km/h	5.0 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

10.7 L/100 km

22.0 mpg US

26.4 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
MaseratiGranCabrio I4.7	15.2 L/100 km 15.4 mpg US 18.5 mpg UK	5.3 s
BMW6 Series Convertible (F12)650i	10.7 L/100 km 22.0 mpg US 26.4 mpg UK	5.0 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
MaseratiGranCabrio I4.7	233 hp/t 174 kW/t 4.3 kg/hp	15.2 L/100 km 15.4 mpg US 18.5 mpg UK
BMW6 Series Convertible (F12)650i	210 hp/t 156 kW/t 4.8 kg/hp	10.7 L/100 km 22.0 mpg US 26.4 mpg UK

Detailed score breakdown

Vehicle

MaseratiGranCabrio I4.7

BMW6 Series Convertible (F12)650i

Power

440 hp

328 kW

407 hp

304 kW

Torque

490 Nm

361 lb-ft

600 Nm

443 lb-ft

Acceleration

5.3 s

5.0 s

Top speed

283 km/h

176 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

1,887 kg

4,160 lb

1,940 kg

4,277 lb

Fuel consumption

15.2 L/100 km

15.4 mpg US

18.5 mpg UK

10.7 L/100 km

22.0 mpg US

26.4 mpg UK

Practicality

Doors/seats	3 doors 4 seats
Trunk	173 L 6.1 cu ft
Length	4,881 mm 192.2 in
Height	1,353 mm 53.3 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

492 km

306 mi

654 km

407 mi

CO2 score

249 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

210 hp/t

156 kW/t

4.8 kg/hp

Overall

Fixed score

Fuel cost and annual usage

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

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Maserati GranCabrio I 4.7	BMW 6 Series Convertible (F12) 650i
Consumption	15.2 L/100 km15.4 mpg US18.5 mpg UK	10.7 L/100 km22 mpg US26.4 mpg UK
Cost / 100 km	26.65 LC100 km	18.72 LC100 km
Cost / 100 mi	42.89 LC100 mi	30.13 LC100 mi
Annual fuel used	2,285 L604 US gal503 UK gal	1,605 L424 US gal353 UK gal
Annual fuel cost	3,998 LC/year	2,809 LC/year