Car comparison

BMW 6 Series Coupe (F13) 640ivsBMW 6 Series Gran Turismo (G32) 640i

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

New comparison

BMW 6 Series Coupe (F13)

640i

320 hp2979 ccGasolineAWDAutomaticTurbochargedCoupe2013-2015
VS

BMW 6 Series Gran Turismo (G32)

640i

340 hp2998 ccGasolineRWDAutomaticTurbocharged2017-2020

Comparison overview

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

Best choices

BMW 6 Series Gran Turismo (G32) 640i

  • Most powerful
    340 hp
    254 kW
  • Best power-to-weight
    192 hp/t
    143 kW/t
    5.2 kg/hp
  • Lowest combined fuel consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Lowest city consumption
    9.8 L/100 km
    24.0 mpg US
    28.8 mpg UK
  • Lowest highway consumption
    6.0 L/100 km
    39.2 mpg US
    47.1 mpg UK
  • Lowest CO2 emissions
    169 g/km
  • Best estimated range
    919 km
    571 mi
  • Largest trunk
    610 L
  • Best overall score
    72/100
  • Best performance score
    69/100
  • Best economy score
    87/100
  • Best practicality score
    79/100

BMW 6 Series Coupe (F13) 640i

  • Quickest 0-100 km/h
    5.2 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    450 Nm
    332 lb-ft
  • Lightest
    1,765 kg
    3,891 lb

Specification comparison

Specification comparison
ModelBMW6 Series Coupe (F13)640iBMW6 Series Gran Turismo (G32)640i
Power
320hp239kW
340hp254kW
Torque
450Nm332lb-ft
450Nm332lb-ft
Curb weight
1,765kg3,891lb
1,770kg3,902lb
Gross weight
2,255kg4,971lb
2,450kg5,401lb
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
73.6s99% target: 257 km/h / 160 mph
Calculated
70.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.2s
5.4s
0-200 km/h
19.1s
Calculated
19.1s
Calculated
0-60 mph
4.9s
Calculated
5.1s
Calculated
Fuel consumption
8.2L/100 km28.7mpg US34.4mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Fuel consumption city
11.2L/100 km21mpg US25.2mpg UK
9.8L/100 km24mpg US28.8mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
6L/100 km39.2mpg US47.1mpg UK
Quarter mile
13.4s
Calculated
13.5s
Calculated
Power-to-weight
181hp/t135kW/t82hp/1000 lb
Calculated
192hp/t143kW/t87hp/1000 lb
Calculated
Torque-to-weight
255Nm/t171lb-ft/ton
Calculated
254Nm/t170lb-ft/ton
Calculated
Estimated range
854km530mi
Calculated
919km571mi
Calculated
Displacement
2,979cc182cu in
2,998cc183cu in
Length
4,894mm193in
5,091mm200in
Width
1,894mm75in
1,902mm75in
Height
1,369mm54in
1,538mm61in
Wheelbase
2,855mm112in
3,070mm121in
Front track
1,600mm63in
1,615mm64in
Rear track
1,665mm66in
1,649mm65in
Ground clearance
124mm5in
138mm5in
Trunk volume
460L
610L
Max trunk volume-
1,800L
Doors
2
5
Seats
4
5
Fuel tank
70L
68L
CO2 emissions
191g/km
169g/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 Coupe (F13) 640iBMW 6 Series Gran Turismo (G32) 640iPowerTorque
  • BMW 6 Series Coupe (F13) 640i: Power / Torque
  • BMW 6 Series Gran Turismo (G32) 640i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW6 Series Coupe (F13)640i5,800-6,000 rpm1,300-4,500 rpm6,250 rpm
BMW6 Series Gran Turismo (G32)640i5,500-6,500 rpm1,380-5,200 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW6 Series Coupe (F13)640iBMW6 Series Gran Turismo (G32)640i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
5.1 s
0-100 km/h
0-62 mph
5.2 s
5.4 s
0-200 km/h
0-124 mph
19.1 s
19.1 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
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.8 s
5.9 s
1/8 mile
201 m
8.7 s
8.9 s
1000 ft
305 m
11.2 s
11.4 s
1/4 mile
402 m
13.4 s
13.5 s
Trap speed
1/4 mile
402 m
172 km/h
107 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
BMW6 Series Coupe (F13)640i
320 hp
239 kW
BMW6 Series Gran Turismo (G32)640i
340 hp
254 kW

BMW 6 Series Gran Turismo (G32) 640i has 20 hp more than BMW 6 Series Coupe (F13) 640i.

The biggest power difference is between BMW 6 Series Coupe (F13) 640i and BMW 6 Series Gran Turismo (G32) 640i: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW6 Series Coupe (F13)640i
450 Nm
332 lb-ft
BMW6 Series Gran Turismo (G32)640i
450 Nm
332 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW6 Series Coupe (F13)640i
1,765 kg
3,891 lb
BMW6 Series Gran Turismo (G32)640i
1,770 kg
3,902 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 Coupe (F13)640i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW6 Series Gran Turismo (G32)640i
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 Coupe (F13)640i5.2 s
BMW6 Series Gran Turismo (G32)640i5.4 s

Although BMW 6 Series Gran Turismo (G32) 640i has more power, BMW 6 Series Coupe (F13) 640i is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 6 Series Coupe (F13) 640i and BMW 6 Series Gran Turismo (G32) 640i: 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 Coupe (F13)640i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
BMW6 Series Gran Turismo (G32)640i
7.4 L/100 km
31.8 mpg US
38.2 mpg UK

The biggest fuel consumption difference is between BMW 6 Series Gran Turismo (G32) 640i and BMW 6 Series Coupe (F13) 640i: 0.8 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 Coupe (F13)640i
181 hp/t
135 kW/t
5.5 kg/hp
BMW6 Series Gran Turismo (G32)640i
192 hp/t
143 kW/t
5.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW6 Series Coupe (F13)640i
854 km
530 mi
BMW6 Series Gran Turismo (G32)640i
919 km
571 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW6 Series Coupe (F13)640i
320 hp
239 kW
5.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW6 Series Gran Turismo (G32)640i
340 hp
254 kW
5.4 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 Coupe (F13)640i
Power
320 hp
239 kW
0-100 km/h5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
460 L
16.2 cu ft
Length
4,894 mm
192.7 in
Height
1,369 mm
53.9 in
BMW6 Series Gran Turismo (G32)640i
Power
340 hp
254 kW
0-100 km/h5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
610 L
21.5 cu ft
Length
5,091 mm
200.4 in
Height
1,538 mm
60.6 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 Coupe (F13)640i
Power
320 hp
239 kW
0-100 km/h5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
BMW6 Series Gran Turismo (G32)640i
Power
340 hp
254 kW
0-100 km/h5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.4 L/100 km
31.8 mpg US
38.2 mpg UK

BMW 6 Series Gran Turismo (G32) 640i 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 Coupe (F13)640i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
5.2 s
BMW6 Series Gran Turismo (G32)640i
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
5.4 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 Coupe (F13)640i
181 hp/t
135 kW/t
5.5 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
BMW6 Series Gran Turismo (G32)640i
192 hp/t
143 kW/t
5.2 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW6 Series Coupe (F13)640iBMW6 Series Gran Turismo (G32)640i
Power
320 hp
239 kW
340 hp
254 kW
Torque
450 Nm
332 lb-ft
450 Nm
332 lb-ft
Acceleration
5.2 s
5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,765 kg
3,891 lb
1,770 kg
3,902 lb
Fuel consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
460 L
16.2 cu ft
Length
4,894 mm
192.7 in
Height
1,369 mm
53.9 in
Doors/seats
5 doors
5 seats
Trunk
610 L
21.5 cu ft
Length
5,091 mm
200.4 in
Height
1,538 mm
60.6 in
Range score
854 km
530 mi
919 km
571 mi
CO2 score
191 g/km
169 g/km
Trunk score
460 L
16.2 cu ft
610 L
21.5 cu ft
Power-to-weight score
181 hp/t
135 kW/t
5.5 kg/hp
192 hp/t
143 kW/t
5.2 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 Coupe (F13) 640iBMW 6 Series Gran Turismo (G32) 640i
Consumption8.2 L/100 km28.7 mpg US34.4 mpg UK7.4 L/100 km31.8 mpg US38.2 mpg UK
Cost / 100 km14.35 LC100 km12.95 LC100 km
Cost / 100 mi23.09 LC100 mi20.84 LC100 mi
Annual fuel used1,230 L325 US gal271 UK gal1,110 L293 US gal244 UK gal
Annual fuel cost2,153 LC/year1,943 LC/year

Head-to-head comparisons

BMW 6 Series Coupe (F13) 640i

  • Is 5 kg lighter
  • Is 0.2 s quicker from 0-100 km/h

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lightest

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

BMW 6 Series Gran Turismo (G32) 640i

  • Has 20 hp more
  • Uses 0.8 L/100 km less fuel
  • Has 11 hp/t better power-to-weight
  • Has 65 km (41 mi) more estimated range
  • Has 150 L more trunk volume
  • Emits 22 g/km less CO2

Pros

  • Most powerful
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 6 Series Coupe (F13) 640i
BMW 6 Series Gran Turismo (G32) 640i
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