Specification comparison
Model	BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 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	1,980kg4,365lb	1,980kg4,365lb	1,980kg4,365lb	1,980kg4,365lb
Gross weight	2,480kg5,467lb	2,480kg5,467lb	2,480kg5,467lb	2,480kg5,467lb
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	47.1s99% target: 289 km/h / 180 mph-14.5 s Calculated	54.8s99% target: 287 km/h / 178 mph-6.8 s Calculated	55.9s99% target: 270 km/h / 168 mph-5.7 s Calculated	61.6s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	3.5s-1.0 s	3.8s-0.7 s	4.1s-0.4 s	4.5s
0-200 km/h	10.5s-5.8 s Calculated	11.9s-4.4 s Calculated	13.5s-2.7 s Calculated	16.3s Calculated
0-60 mph	3.3s-0.9 s Calculated	3.6s-0.6 s Calculated	3.9s-0.4 s Calculated	4.3s Calculated
Fuel consumption	9.5L/100 km24.8mpg US29.7mpg UK	9.5L/100 km24.8mpg US29.7mpg UK	9.5L/100 km24.8mpg US29.7mpg UK	9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption city	13.2L/100 km17.8mpg US21.4mpg UK	13.2L/100 km17.8mpg US21.4mpg UK	13.2L/100 km17.8mpg US21.4mpg UK	13.2L/100 km17.8mpg US21.4mpg UK
Fuel consumption highway	7.3L/100 km32.2mpg US38.7mpg UK	7.3L/100 km32.2mpg US38.7mpg UK	7.3L/100 km32.2mpg US38.7mpg UK	7.3L/100 km32.2mpg US38.7mpg UK
Quarter mile	11.3s-1.4 s Calculated	11.7s-0.9 s Calculated	12.1s-0.6 s Calculated	12.7s Calculated
Power-to-weight	341hp/t254kW/t155hp/1000 lb Calculated	295hp/t220kW/t134hp/1000 lb Calculated	268hp/t200kW/t122hp/1000 lb Calculated	227hp/t169kW/t103hp/1000 lb Calculated
Torque-to-weight	509Nm/t340lb-ft/ton Calculated	443Nm/t297lb-ft/ton Calculated	401Nm/t268lb-ft/ton Calculated	328Nm/t220lb-ft/ton Calculated
Estimated range	737km458mi Calculated	737km458mi Calculated	737km458mi Calculated	737km458mi 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	221g/km	221g/km	221g/km	221g/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 LCI) Facelift 2015 650i (Stage 3) 675 hpBMW 6 Series Convertible (F12 LCI) Facelift 2015 650i (Stage 2) 585 hpBMW 6 Series Convertible (F12 LCI) Facelift 2015 650i (Stage 1) 531 hpBMW 6 Series Convertible (F12 LCI) Facelift 2015 650i 450 hpPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	5,500-6,000 rpm	2,000-4,500 rpm	6,250 rpm
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	5,500-6,000 rpm	2,000-4,500 rpm	6,250 rpm
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	5,500-6,000 rpm	2,000-4,500 rpm	6,250 rpm
BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp	5,500-6,000 rpm	2,000-4,500 rpm	6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp
	Acceleration checkpoints
0-60 mph 0-97 km/h	3.3 s	3.6 s	3.9 s	4.3 s
0-100 km/h 0-62 mph	3.5 s	3.8 s	4.1 s	4.5 s
0-200 km/h 0-124 mph	10.5 s	11.9 s	13.5 s	16.3 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	1.9 s	2.0 s	2.0 s	2.1 s
330 ft 101 m	5.0 s	5.1 s	5.3 s	5.5 s
1/8 mile 201 m	7.4 s	7.7 s	7.9 s	8.2 s
1000 ft 305 m	9.5 s	9.9 s	10.2 s	10.6 s
1/4 mile 402 m	11.3 s	11.7 s	12.1 s	12.7 s
Trap speed 1/4 mile 402 m	207 km/h 129 mph	199 km/h 123 mph	190 km/h 118 mph	180 km/h 112 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	675 hp 503 kW
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	585 hp 436 kW
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	531 hp 396 kW
BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp	450 hp 336 kW

BMW 6 Series Convertible (F12 LCI) Facelift 2015 650i (Stage 3) 675 hp has 225 hp more than BMW 6 Series Convertible (F12 LCI) Facelift 2015 650i 450 hp.

The biggest power difference is between BMW 6 Series Convertible (F12 LCI) Facelift 2015 650i 450 hp and BMW 6 Series Convertible (F12 LCI) Facelift 2015 650i (Stage 3) 675 hp: 225 hp (168 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	1,008 Nm 743 lb-ft
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	878 Nm 647 lb-ft
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	793 Nm 585 lb-ft
BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp	650 Nm 479 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	1,980 kg 4,365 lb
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	1,980 kg 4,365 lb
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	1,980 kg 4,365 lb
BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp	1,980 kg 4,365 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
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	292 km/h 181 mph
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	273 km/h 170 mph
BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 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

Chart data table
Vehicle	Value
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	3.5 s
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	3.8 s
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	4.1 s
BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp	4.5 s

The biggest 0-100 km/h difference is between BMW 6 Series Convertible (F12 LCI) Facelift 2015 650i (Stage 3) 675 hp and BMW 6 Series Convertible (F12 LCI) Facelift 2015 650i 450 hp: 1.0 s.

The closest cars by acceleration are BMW 6 Series Convertible (F12 LCI) Facelift 2015 650i (Stage 2) 585 hp and BMW 6 Series Convertible (F12 LCI) Facelift 2015 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
Vehicle	Value
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	9.5 L/100 km 24.8 mpg US 29.7 mpg UK
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	9.5 L/100 km 24.8 mpg US 29.7 mpg UK
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	9.5 L/100 km 24.8 mpg US 29.7 mpg UK
BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp	9.5 L/100 km 24.8 mpg US 29.7 mpg UK

Power-to-weight comparison

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

Chart data table
Vehicle	Value
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	341 hp/t 254 kW/t 2.9 kg/hp
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	295 hp/t 220 kW/t 3.4 kg/hp
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	268 hp/t 200 kW/t 3.7 kg/hp
BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp	227 hp/t 169 kW/t 4.4 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	737 km 458 mi
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	737 km 458 mi
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	737 km 458 mi
BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp	737 km 458 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	675 hp 503 kW	3.5 s	292 km/h 181 mph
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	585 hp 436 kW	3.8 s	Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	531 hp 396 kW	4.1 s	273 km/h 170 mph
BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp	450 hp 336 kW	4.5 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

BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp

Power	675 hp 503 kW
0-100 km/h	3.5 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 LCI)Facelift 2015650i (Stage 2)585 hp

Power	585 hp 436 kW
0-100 km/h	3.8 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 LCI)Facelift 2015650i (Stage 1)531 hp

Power	531 hp 396 kW
0-100 km/h	4.1 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 LCI)Facelift 2015650i450 hp

Power	450 hp 336 kW
0-100 km/h	4.5 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

BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp

Power	675 hp 503 kW
0-100 km/h	3.5 s
Top speed 292 km/h 181 mph

9.5 L/100 km

24.8 mpg US

29.7 mpg UK

BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp

Power	585 hp 436 kW
0-100 km/h	3.8 s
Top speed Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph

9.5 L/100 km

24.8 mpg US

29.7 mpg UK

BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp

Power	531 hp 396 kW
0-100 km/h	4.1 s
Top speed 273 km/h 170 mph

9.5 L/100 km

24.8 mpg US

29.7 mpg UK

BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp

Power	450 hp 336 kW
0-100 km/h	4.5 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

9.5 L/100 km

24.8 mpg US

29.7 mpg UK

BMW 6 Series Convertible (F12 LCI) Facelift 2015 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	9.5 L/100 km 24.8 mpg US 29.7 mpg UK	3.5 s
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	9.5 L/100 km 24.8 mpg US 29.7 mpg UK	3.8 s
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	9.5 L/100 km 24.8 mpg US 29.7 mpg UK	4.1 s
BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp	9.5 L/100 km 24.8 mpg US 29.7 mpg UK	4.5 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
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp	341 hp/t 254 kW/t 2.9 kg/hp	9.5 L/100 km 24.8 mpg US 29.7 mpg UK
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp	295 hp/t 220 kW/t 3.4 kg/hp	9.5 L/100 km 24.8 mpg US 29.7 mpg UK
BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp	268 hp/t 200 kW/t 3.7 kg/hp	9.5 L/100 km 24.8 mpg US 29.7 mpg UK
BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 hp	227 hp/t 169 kW/t 4.4 kg/hp	9.5 L/100 km 24.8 mpg US 29.7 mpg UK

Detailed score breakdown

Vehicle

BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 3)675 hp

BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 2)585 hp

BMW6 Series Convertible (F12 LCI)Facelift 2015650i (Stage 1)531 hp

BMW6 Series Convertible (F12 LCI)Facelift 2015650i450 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

3.5 s

3.8 s

4.1 s

4.5 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

1,980 kg

4,365 lb

1,980 kg

4,365 lb

1,980 kg

4,365 lb

1,980 kg

4,365 lb

Fuel consumption

9.5 L/100 km

24.8 mpg US

29.7 mpg UK

9.5 L/100 km

24.8 mpg US

29.7 mpg UK

9.5 L/100 km

24.8 mpg US

29.7 mpg UK

9.5 L/100 km

24.8 mpg US

29.7 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

737 km

458 mi

737 km

458 mi

737 km

458 mi

737 km

458 mi

CO2 score

221 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

341 hp/t

254 kW/t

2.9 kg/hp

295 hp/t

220 kW/t

3.4 kg/hp

268 hp/t

200 kW/t

3.7 kg/hp

227 hp/t

169 kW/t

4.4 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	BMW 6 Series Convertible (F12 LCI) Facelift 2015 650i (Stage 3) 675 hp	BMW 6 Series Convertible (F12 LCI) Facelift 2015 650i (Stage 2) 585 hp	BMW 6 Series Convertible (F12 LCI) Facelift 2015 650i (Stage 1) 531 hp	BMW 6 Series Convertible (F12 LCI) Facelift 2015 650i 450 hp
Consumption	9.5 L/100 km24.8 mpg US29.7 mpg UK	9.5 L/100 km24.8 mpg US29.7 mpg UK	9.5 L/100 km24.8 mpg US29.7 mpg UK	9.5 L/100 km24.8 mpg US29.7 mpg UK
Cost / 100 km	16.63 LC100 km	16.63 LC100 km	16.63 LC100 km	16.63 LC100 km
Cost / 100 mi	26.76 LC100 mi	26.76 LC100 mi	26.76 LC100 mi	26.76 LC100 mi
Annual fuel used	1,425 L376 US gal313 UK gal	1,425 L376 US gal313 UK gal	1,425 L376 US gal313 UK gal	1,425 L376 US gal313 UK gal
Annual fuel cost	2,494 LC/year	2,494 LC/year	2,494 LC/year	2,494 LC/year