Car comparison

BMW 6 Series Convertible (F12) 650ivsBMW M6 Convertible (E64) 5.0 V10

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

New comparison

BMW 6 Series Convertible (F12)

650i

450 hp4395 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2012-2015
VS

BMW M6 Convertible (E64)

5.0 V10

507 hp4999 ccGasolineRWDAutomaticNaturally aspiratedCabriolet / convertible2006-2007

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
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    650 Nm
    479 lb-ft
  • 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
  • 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
ModelBMW6 Series Convertible (F12)650iBMWM6 Convertible (E64)5.0 V10
Power
450hp336kW
507hp378kW
Torque
650Nm479lb-ft
520Nm384lb-ft
Curb weight
1,940kg4,277lb
1,930kg4,255lb
Gross weight
2,420kg5,335lb
2,380kg5,247lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
62.2s99% target: 257 km/h / 160 mph
Calculated
62.7s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.6s
4.8s
0-200 km/h
16.6s
Calculated
17.0s
Calculated
0-60 mph
4.4s
Calculated
4.6s
Calculated
Fuel consumption
9.2L/100 km25.6mpg US30.7mpg UK
15.2L/100 km15.5mpg US18.6mpg UK
Fuel consumption city
12.8L/100 km18.4mpg US22.1mpg UK
22.8L/100 km10.3mpg US12.4mpg UK
Fuel consumption highway
7.1L/100 km33.1mpg US39.8mpg UK
10.7L/100 km22mpg US26.4mpg UK
Quarter mile
12.7s
Calculated
12.9s
Calculated
Power-to-weight
232hp/t173kW/t105hp/1000 lb
Calculated
263hp/t196kW/t119hp/1000 lb
Calculated
Torque-to-weight
335Nm/t224lb-ft/ton
Calculated
269Nm/t180lb-ft/ton
Calculated
Estimated range
761km473mi
Calculated
461km286mi
Calculated
Displacement
4,395cc268cu in
4,999cc305cu in
Length
4,894mm193in
4,871mm192in
Width
1,894mm75in
1,855mm73in
Height
1,365mm54in
1,377mm54in
Wheelbase
2,855mm112in
2,781mm109in
Front track
1,600mm63in
1,567mm62in
Rear track
1,665mm66in
1,584mm62in
Ground clearance
123mm5in
-
Trunk volume
300L
300L
Max trunk volume
350L
350L
Doors
2
2
Seats
4
4
Fuel tank
70L
70L
CO2 emissions
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.

BMW 6 Series Convertible (F12) 650iBMW M6 Convertible (E64) 5.0 V10PowerTorque
  • BMW 6 Series Convertible (F12) 650i: Power / Torque
  • BMW M6 Convertible (E64) 5.0 V10: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW6 Series Convertible (F12)650i5,500 rpm2,000-4,500 rpm5,750 rpm
BMWM6 Convertible (E64)5.0 V107,750 rpm6,100 rpm8,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW6 Series Convertible (F12)650iBMWM6 Convertible (E64)5.0 V10
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.6 s
0-100 km/h
0-62 mph
4.6 s
4.8 s
0-200 km/h
0-124 mph
16.6 s
17.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.5 s
5.6 s
1/8 mile
201 m
8.3 s
8.4 s
1000 ft
305 m
10.7 s
10.9 s
1/4 mile
402 m
12.7 s
12.9 s
Trap speed
1/4 mile
402 m
179 km/h
111 mph
178 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
BMW6 Series Convertible (F12)650i
450 hp
336 kW
BMWM6 Convertible (E64)5.0 V10
507 hp
378 kW

BMW M6 Convertible (E64) 5.0 V10 has 57 hp more than BMW 6 Series Convertible (F12) 650i.

The biggest power difference is between BMW 6 Series Convertible (F12) 650i and BMW M6 Convertible (E64) 5.0 V10: 57 hp (43 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW6 Series Convertible (F12)650i
650 Nm
479 lb-ft
BMWM6 Convertible (E64)5.0 V10
520 Nm
384 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW6 Series Convertible (F12)650i
1,940 kg
4,277 lb
BMWM6 Convertible (E64)5.0 V10
1,930 kg
4,255 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW6 Series Convertible (F12)650i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWM6 Convertible (E64)5.0 V10
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
BMW6 Series Convertible (F12)650i4.6 s
BMWM6 Convertible (E64)5.0 V104.8 s

Although BMW M6 Convertible (E64) 5.0 V10 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 BMW M6 Convertible (E64) 5.0 V10: 0.2 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW6 Series Convertible (F12)650i
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
BMWM6 Convertible (E64)5.0 V10
15.2 L/100 km
15.5 mpg US
18.6 mpg UK

The biggest fuel consumption difference is between BMW 6 Series Convertible (F12) 650i and BMW M6 Convertible (E64) 5.0 V10: 6.0 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
BMW6 Series Convertible (F12)650i
232 hp/t
173 kW/t
4.3 kg/hp
BMWM6 Convertible (E64)5.0 V10
263 hp/t
196 kW/t
3.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW6 Series Convertible (F12)650i
761 km
473 mi
BMWM6 Convertible (E64)5.0 V10
461 km
286 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW6 Series Convertible (F12)650i
450 hp
336 kW
4.6 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWM6 Convertible (E64)5.0 V10
507 hp
378 kW
4.8 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
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
BMWM6 Convertible (E64)5.0 V10
Power
507 hp
378 kW
0-100 km/h4.8 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
4,871 mm
191.8 in
Height
1,377 mm
54.2 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
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
BMWM6 Convertible (E64)5.0 V10
Power
507 hp
378 kW
0-100 km/h4.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
15.2 L/100 km
15.5 mpg US
18.6 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
BMW6 Series Convertible (F12)650i
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
4.6 s
BMWM6 Convertible (E64)5.0 V10
15.2 L/100 km
15.5 mpg US
18.6 mpg UK
4.8 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
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
BMWM6 Convertible (E64)5.0 V10
263 hp/t
196 kW/t
3.8 kg/hp
15.2 L/100 km
15.5 mpg US
18.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW6 Series Convertible (F12)650iBMWM6 Convertible (E64)5.0 V10
Power
450 hp
336 kW
507 hp
378 kW
Torque
650 Nm
479 lb-ft
520 Nm
384 lb-ft
Acceleration
4.6 s
4.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,940 kg
4,277 lb
1,930 kg
4,255 lb
Fuel consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
15.2 L/100 km
15.5 mpg US
18.6 mpg UK
Practicality
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
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,871 mm
191.8 in
Height
1,377 mm
54.2 in
Range score
761 km
473 mi
461 km
286 mi
CO2 score
214 g/km
-
Trunk score
300 L
10.6 cu ft
300 L
10.6 cu ft
Power-to-weight score
232 hp/t
173 kW/t
4.3 kg/hp
263 hp/t
196 kW/t
3.8 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 6 Series Convertible (F12) 650iBMW M6 Convertible (E64) 5.0 V10
Consumption9.2 L/100 km25.6 mpg US30.7 mpg UK15.2 L/100 km15.5 mpg US18.6 mpg UK
Cost / 100 km16.10 LC100 km26.60 LC100 km
Cost / 100 mi25.91 LC100 mi42.81 LC100 mi
Annual fuel used1,380 L365 US gal304 UK gal2,280 L602 US gal502 UK gal
Annual fuel cost2,415 LC/year3,990 LC/year

Head-to-head comparisons

BMW 6 Series Convertible (F12) 650i

  • Has 130 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 6.0 L/100 km less fuel
  • Has 300 km (187 mi) more estimated range

Pros

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

Cons

  • Lowest power
  • Heaviest

BMW M6 Convertible (E64) 5.0 V10

  • Has 57 hp more
  • Is 10 kg lighter
  • Has 31 hp/t better power-to-weight

Pros

  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 6 Series Convertible (F12) 650i
BMW M6 Convertible (E64) 5.0 V10
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