Car comparison

BMW 6 Series Convertible (F12) 650i · Stage 3vsBMW 6 Series Convertible (F12) 650i · Stage 2vsBMW 6 Series Convertible (F12) 650i · Stage 1vsBMW 6 Series Convertible (F12) 650i

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

New comparison

BMW 6 Series Convertible (F12)

650i (Stage 3)

675 hp4395 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2012-2015
VS

BMW 6 Series Convertible (F12)

650i (Stage 2)

585 hp4395 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2012-2015
VS

BMW 6 Series Convertible (F12)

650i (Stage 1)

531 hp4395 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2012-2015
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 (Stage 3) 675 hp

  • Quickest 0-100 km/h
    3.6 s
  • Fastest top speed
    292 km/h
    181 mph
  • Most powerful
    675 hp
    503 kW
  • Highest torque
    1,008 Nm
    743 lb-ft
  • Lightest
    1,940 kg
    4,277 lb
  • Best power-to-weight
    348 hp/t
    259 kW/t
    2.9 kg/hp
  • 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
    75/100
  • Best performance score
    89/100
  • Best economy score
    82/100
  • Best practicality score
    45/100

Specification comparison

Specification comparison
ModelBMW6 Series Convertible (F12)650i (Stage 3)675 hpBMW6 Series Convertible (F12)650i (Stage 2)585 hpBMW6 Series Convertible (F12)650i (Stage 1)531 hpBMW6 Series Convertible (F12)650i450 hp
Power
675hp503kW+225 hp
585hp436kW+135 hp
531hp396kW+81 hp
450hp336kW
Torque
1,008Nm743lb-ft+358 Nm
878Nm647lb-ft+228 Nm
793Nm585lb-ft+143 Nm
650Nm479lb-ft
Curb weight
1,940kg4,277lb
1,940kg4,277lb
1,940kg4,277lb
1,940kg4,277lb
Gross weight
2,420kg5,335lb
2,420kg5,335lb
2,420kg5,335lb
2,420kg5,335lb
Top speed
292 km/h
181 mph
+32 km/h
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
+30 km/h
Calculated
273 km/h
170 mph
+13 km/h
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
47.5s99% target: 289 km/h / 180 mph-14.8 s
Calculated
55.3s99% target: 287 km/h / 178 mph-6.9 s
Calculated
56.4s99% target: 270 km/h / 168 mph-5.9 s
Calculated
62.2s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.6s-1.0 s
3.9s-0.7 s
4.2s-0.4 s
4.6s
0-200 km/h
10.7s-5.9 s
Calculated
12.1s-4.4 s
Calculated
13.8s-2.8 s
Calculated
16.6s
Calculated
0-60 mph
3.4s-1.0 s
Calculated
3.7s-0.6 s
Calculated
4.0s-0.4 s
Calculated
4.4s
Calculated
Fuel consumption
9.2L/100 km25.6mpg US30.7mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption city
12.8L/100 km18.4mpg US22.1mpg UK
12.8L/100 km18.4mpg US22.1mpg UK
12.8L/100 km18.4mpg US22.1mpg UK
12.8L/100 km18.4mpg US22.1mpg UK
Fuel consumption highway
7.1L/100 km33.1mpg US39.8mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
11.3s-1.4 s
Calculated
11.8s-0.9 s
Calculated
12.2s-0.6 s
Calculated
12.7s
Calculated
Power-to-weight
348hp/t259kW/t158hp/1000 lb
Calculated
302hp/t225kW/t137hp/1000 lb
Calculated
274hp/t204kW/t124hp/1000 lb
Calculated
232hp/t173kW/t105hp/1000 lb
Calculated
Torque-to-weight
519Nm/t347lb-ft/ton
Calculated
452Nm/t303lb-ft/ton
Calculated
409Nm/t274lb-ft/ton
Calculated
335Nm/t224lb-ft/ton
Calculated
Estimated range
761km473mi
Calculated
761km473mi
Calculated
761km473mi
Calculated
761km473mi
Calculated
Displacement
4,395cc268cu in
4,395cc268cu in
4,395cc268cu in
4,395cc268cu in
Length
4,894mm193in
4,894mm193in
4,894mm193in
4,894mm193in
Width
1,894mm75in
1,894mm75in
1,894mm75in
1,894mm75in
Height
1,365mm54in
1,365mm54in
1,365mm54in
1,365mm54in
Wheelbase
2,855mm112in
2,855mm112in
2,855mm112in
2,855mm112in
Front track
1,600mm63in
1,600mm63in
1,600mm63in
1,600mm63in
Rear track
1,665mm66in
1,665mm66in
1,665mm66in
1,665mm66in
Ground clearance
123mm5in
123mm5in
123mm5in
123mm5in
Trunk volume
300L
300L
300L
300L
Max trunk volume
350L
350L
350L
350L
Doors
2
2
2
2
Seats
4
4
4
4
Fuel tank
70L
70L
70L
70L
CO2 emissions
214g/km
214g/km
214g/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.

BMW 6 Series Convertible (F12) 650i (Stage 3) 675 hpBMW 6 Series Convertible (F12) 650i (Stage 2) 585 hpBMW 6 Series Convertible (F12) 650i (Stage 1) 531 hpBMW 6 Series Convertible (F12) 650i 450 hpPowerTorque
  • BMW 6 Series Convertible (F12) 650i (Stage 3) 675 hp: Power / Torque
  • BMW 6 Series Convertible (F12) 650i (Stage 2) 585 hp: Power / Torque
  • BMW 6 Series Convertible (F12) 650i (Stage 1) 531 hp: Power / Torque
  • BMW 6 Series Convertible (F12) 650i 450 hp: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW6 Series Convertible (F12)650i (Stage 3)675 hp5,500 rpm2,000-4,500 rpm5,750 rpm
BMW6 Series Convertible (F12)650i (Stage 2)585 hp5,500 rpm2,000-4,500 rpm5,750 rpm
BMW6 Series Convertible (F12)650i (Stage 1)531 hp5,500 rpm2,000-4,500 rpm5,750 rpm
BMW6 Series Convertible (F12)650i450 hp5,500 rpm2,000-4,500 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW6 Series Convertible (F12)650i (Stage 3)675 hpBMW6 Series Convertible (F12)650i (Stage 2)585 hpBMW6 Series Convertible (F12)650i (Stage 1)531 hpBMW6 Series Convertible (F12)650i450 hp
Acceleration checkpoints
0-60 mph
0-97 km/h
3.4 s
3.7 s
4.0 s
4.4 s
0-100 km/h
0-62 mph
3.6 s
3.9 s
4.2 s
4.6 s
0-200 km/h
0-124 mph
10.7 s
12.1 s
13.8 s
16.6 s
Top speed
292 km/h
181 mph
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Likely limited
273 km/h
170 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.0 s
2.0 s
2.0 s
2.1 s
330 ft
101 m
5.0 s
5.2 s
5.3 s
5.5 s
1/8 mile
201 m
7.5 s
7.8 s
8.0 s
8.3 s
1000 ft
305 m
9.6 s
10.0 s
10.3 s
10.7 s
1/4 mile
402 m
11.3 s
11.8 s
12.2 s
12.7 s
Trap speed
1/4 mile
402 m
206 km/h
128 mph
198 km/h
123 mph
189 km/h
118 mph
179 km/h
111 mph

Power comparison

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

BMW 6 Series Convertible (F12) 650i (Stage 3) 675 hp has 225 hp more than BMW 6 Series Convertible (F12) 650i 450 hp.

The biggest power difference is between BMW 6 Series Convertible (F12) 650i 450 hp and BMW 6 Series Convertible (F12) 650i (Stage 3) 675 hp: 225 hp (168 kW).

Torque comparison

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

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / 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 (Stage 3)675 hp
292 km/h
181 mph
BMW6 Series Convertible (F12)650i (Stage 2)585 hp
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
BMW6 Series Convertible (F12)650i (Stage 1)531 hp
273 km/h
170 mph
BMW6 Series Convertible (F12)650i450 hp
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

The biggest 0-100 km/h difference is between BMW 6 Series Convertible (F12) 650i (Stage 3) 675 hp and BMW 6 Series Convertible (F12) 650i 450 hp: 1.0 s.

The closest cars by acceleration are BMW 6 Series Convertible (F12) 650i (Stage 2) 585 hp and BMW 6 Series Convertible (F12) 650i (Stage 1) 531 hp, separated by only 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 (Stage 3)675 hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
BMW6 Series Convertible (F12)650i (Stage 2)585 hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
BMW6 Series Convertible (F12)650i (Stage 1)531 hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
BMW6 Series Convertible (F12)650i450 hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

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 (Stage 3)675 hp
348 hp/t
259 kW/t
2.9 kg/hp
BMW6 Series Convertible (F12)650i (Stage 2)585 hp
302 hp/t
225 kW/t
3.3 kg/hp
BMW6 Series Convertible (F12)650i (Stage 1)531 hp
274 hp/t
204 kW/t
3.7 kg/hp
BMW6 Series Convertible (F12)650i450 hp
232 hp/t
173 kW/t
4.3 kg/hp

Estimated range comparison

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

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW6 Series Convertible (F12)650i (Stage 3)675 hp
675 hp
503 kW
3.6 s
292 km/h
181 mph
BMW6 Series Convertible (F12)650i (Stage 2)585 hp
585 hp
436 kW
3.9 s
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
BMW6 Series Convertible (F12)650i (Stage 1)531 hp
531 hp
396 kW
4.2 s
273 km/h
170 mph
BMW6 Series Convertible (F12)650i450 hp
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
BMW6 Series Convertible (F12)650i (Stage 3)675 hp
Power
675 hp
503 kW
0-100 km/h3.6 s
Top speed
292 km/h
181 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
BMW6 Series Convertible (F12)650i (Stage 2)585 hp
Power
585 hp
436 kW
0-100 km/h3.9 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 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
BMW6 Series Convertible (F12)650i (Stage 1)531 hp
Power
531 hp
396 kW
0-100 km/h4.2 s
Top speed
273 km/h
170 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
BMW6 Series Convertible (F12)650i450 hp
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
BMW6 Series Convertible (F12)650i (Stage 3)675 hp
Power
675 hp
503 kW
0-100 km/h3.6 s
Top speed
292 km/h
181 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
BMW6 Series Convertible (F12)650i (Stage 2)585 hp
Power
585 hp
436 kW
0-100 km/h3.9 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
BMW6 Series Convertible (F12)650i (Stage 1)531 hp
Power
531 hp
396 kW
0-100 km/h4.2 s
Top speed
273 km/h
170 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
BMW6 Series Convertible (F12)650i450 hp
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 (Stage 3) 675 hp 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 (Stage 3)675 hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
3.6 s
BMW6 Series Convertible (F12)650i (Stage 2)585 hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
3.9 s
BMW6 Series Convertible (F12)650i (Stage 1)531 hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
4.2 s
BMW6 Series Convertible (F12)650i450 hp
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
BMW6 Series Convertible (F12)650i (Stage 3)675 hp
348 hp/t
259 kW/t
2.9 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
BMW6 Series Convertible (F12)650i (Stage 2)585 hp
302 hp/t
225 kW/t
3.3 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
BMW6 Series Convertible (F12)650i (Stage 1)531 hp
274 hp/t
204 kW/t
3.7 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
BMW6 Series Convertible (F12)650i450 hp
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
VehicleBMW6 Series Convertible (F12)650i (Stage 3)675 hpBMW6 Series Convertible (F12)650i (Stage 2)585 hpBMW6 Series Convertible (F12)650i (Stage 1)531 hpBMW6 Series Convertible (F12)650i450 hp
Power
675 hp
503 kW
585 hp
436 kW
531 hp
396 kW
450 hp
336 kW
Torque
1,008 Nm
743 lb-ft
878 Nm
647 lb-ft
793 Nm
585 lb-ft
650 Nm
479 lb-ft
Acceleration
3.6 s
3.9 s
4.2 s
4.6 s
Top speed
292 km/h
181 mph
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
273 km/h
170 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,940 kg
4,277 lb
1,940 kg
4,277 lb
1,940 kg
4,277 lb
1,940 kg
4,277 lb
Fuel consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
9.2 L/100 km
25.6 mpg US
30.7 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
4,894 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
4,894 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
4,894 mm
192.7 in
Height
1,365 mm
53.7 in
Range score
761 km
473 mi
761 km
473 mi
761 km
473 mi
761 km
473 mi
CO2 score
214 g/km
214 g/km
214 g/km
214 g/km
Trunk score
300 L
10.6 cu ft
300 L
10.6 cu ft
300 L
10.6 cu ft
300 L
10.6 cu ft
Power-to-weight score
348 hp/t
259 kW/t
2.9 kg/hp
302 hp/t
225 kW/t
3.3 kg/hp
274 hp/t
204 kW/t
3.7 kg/hp
232 hp/t
173 kW/t
4.3 kg/hp
Overall
Fixed score
Fixed score
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) 650i (Stage 3) 675 hpBMW 6 Series Convertible (F12) 650i (Stage 2) 585 hpBMW 6 Series Convertible (F12) 650i (Stage 1) 531 hpBMW 6 Series Convertible (F12) 650i 450 hp
Consumption9.2 L/100 km25.6 mpg US30.7 mpg UK9.2 L/100 km25.6 mpg US30.7 mpg UK9.2 L/100 km25.6 mpg US30.7 mpg UK9.2 L/100 km25.6 mpg US30.7 mpg UK
Cost / 100 km16.10 LC100 km16.10 LC100 km16.10 LC100 km16.10 LC100 km
Cost / 100 mi25.91 LC100 mi25.91 LC100 mi25.91 LC100 mi25.91 LC100 mi
Annual fuel used1,380 L365 US gal304 UK gal1,380 L365 US gal304 UK gal1,380 L365 US gal304 UK gal1,380 L365 US gal304 UK gal
Annual fuel cost2,415 LC/year2,415 LC/year2,415 LC/year2,415 LC/year

Head-to-head comparisons

BMW 6 Series Convertible (F12) 650i (Stage 3) 675 hp

  • Has 90 hp more
  • Has 130 Nm more
  • Is 0.3 s quicker from 0-100 km/h
  • Has 2 km/h (1 mph) higher top speed
  • Has 46 hp/t better power-to-weight

Pros

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

Cons

  • Highest CO2 emissions

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BMW 6 Series Convertible (F12) 650i
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Popular comparisons

BMW 6 Series Convertible (F12) 650i · Stage 3 vs BMW 6 Series Convertible (F12) 650i · Stage 2 vs BMW 6 Series Convertible (F12) 650i · Stage 1 vs BMW 6 Series Convertible (F12) 650i - car comparison - FastVsFaster