Car comparison

BMW 5 Series Touring (G31) 540ivsBMW 6 Series Gran Turismo (G32) 640i

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

New comparison

BMW 5 Series Touring (G31)

540i

340 hp2998 ccGasolineAWDAutomaticTurbochargedWagon / estate2017-2020
VS

BMW 6 Series Gran Turismo (G32)

640i

340 hp2998 ccGasolineAWDAutomaticTurbocharged2017-2020

Comparison overview

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

Best choices

BMW 5 Series Touring (G31) 540i

  • Quickest 0-100 km/h
    5.1 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    340 hp
    254 kW
  • Highest torque
    450 Nm
    332 lb-ft
  • Lightest
    1,765 kg
    3,891 lb
  • Best power-to-weight
    193 hp/t
    144 kW/t
    5.2 kg/hp
  • Lowest combined fuel consumption
    7.7 L/100 km
    30.5 mpg US
    36.7 mpg UK
  • Lowest city consumption
    9.9 L/100 km
    23.8 mpg US
    28.5 mpg UK
  • Lowest highway consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Lowest CO2 emissions
    177 g/km
  • Best estimated range
    883 km
    549 mi
  • Best overall score
    75/100
  • Best performance score
    69/100
  • Best economy score
    86/100
  • Best practicality score
    87/100

Specification comparison

Specification comparison
ModelBMW5 Series Touring (G31)540iBMW6 Series Gran Turismo (G32)640i
Power
340hp254kW
340hp254kW
Torque
450Nm332lb-ft
450Nm332lb-ft
Curb weight
1,765kg3,891lb
1,835kg4,045lb
Gross weight
2,495kg5,501lb
2,515kg5,545lb
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
52.8s99% target: 257 km/h / 160 mph
Calculated
71.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.1s
5.3s
0-200 km/h
16.1s
Calculated
19.1s
Calculated
0-60 mph
4.9s
Calculated
5.0s
Calculated
Fuel consumption
7.7L/100 km30.5mpg US36.7mpg UK
8.2L/100 km28.7mpg US34.4mpg UK
Fuel consumption city
9.9L/100 km23.8mpg US28.5mpg UK
11.1L/100 km21.2mpg US25.4mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Quarter mile
13.1s
Calculated
13.4s
Calculated
Power-to-weight
193hp/t144kW/t87hp/1000 lb
Calculated
185hp/t138kW/t84hp/1000 lb
Calculated
Torque-to-weight
255Nm/t171lb-ft/ton
Calculated
245Nm/t164lb-ft/ton
Calculated
Estimated range
883km549mi
Calculated
829km515mi
Calculated
Displacement
2,998cc183cu in
2,998cc183cu in
Length
4,942mm195in
5,091mm200in
Width
1,868mm74in
1,902mm75in
Height
1,498mm59in
1,540mm61in
Wheelbase
2,975mm117in
3,070mm121in
Front track
1,605mm63in
1,615mm64in
Rear track
1,630mm64in
1,647mm65in
Ground clearance
140mm6in
138mm5in
Trunk volume
570L
610L
Max trunk volume
1,700L
1,800L
Doors
5
5
Seats
5
5
Fuel tank
68L
68L
CO2 emissions
177g/km
187g/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 5 Series Touring (G31) 540iBMW 6 Series Gran Turismo (G32) 640iPowerTorque
  • BMW 5 Series Touring (G31) 540i: Power / Torque
  • BMW 6 Series Gran Turismo (G32) 640i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW5 Series Touring (G31)540i5,500-6,500 rpm1,380-5,200 rpm6,750 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
MetricBMW5 Series Touring (G31)540iBMW6 Series Gran Turismo (G32)640i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
5.0 s
0-100 km/h
0-62 mph
5.1 s
5.3 s
0-200 km/h
0-124 mph
16.1 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
2.3 s
2.2 s
330 ft
101 m
5.9 s
5.8 s
1/8 mile
201 m
8.7 s
8.8 s
1000 ft
305 m
11.1 s
11.3 s
1/4 mile
402 m
13.1 s
13.4 s
Trap speed
1/4 mile
402 m
182 km/h
113 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
BMW5 Series Touring (G31)540i
340 hp
254 kW
BMW6 Series Gran Turismo (G32)640i
340 hp
254 kW

Torque comparison

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

Chart data table
VehicleValue
BMW5 Series Touring (G31)540i
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
BMW5 Series Touring (G31)540i
1,765 kg
3,891 lb
BMW6 Series Gran Turismo (G32)640i
1,835 kg
4,045 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW5 Series Touring (G31)540i
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
BMW5 Series Touring (G31)540i5.1 s
BMW6 Series Gran Turismo (G32)640i5.3 s

The biggest 0-100 km/h difference is between BMW 5 Series Touring (G31) 540i 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
BMW5 Series Touring (G31)540i
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
BMW6 Series Gran Turismo (G32)640i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
BMW5 Series Touring (G31)540i
193 hp/t
144 kW/t
5.2 kg/hp
BMW6 Series Gran Turismo (G32)640i
185 hp/t
138 kW/t
5.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW5 Series Touring (G31)540i
883 km
549 mi
BMW6 Series Gran Turismo (G32)640i
829 km
515 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW5 Series Touring (G31)540i
340 hp
254 kW
5.1 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW6 Series Gran Turismo (G32)640i
340 hp
254 kW
5.3 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
BMW5 Series Touring (G31)540i
Power
340 hp
254 kW
0-100 km/h5.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
570 L
20.1 cu ft
Length
4,942 mm
194.6 in
Height
1,498 mm
59.0 in
BMW6 Series Gran Turismo (G32)640i
Power
340 hp
254 kW
0-100 km/h5.3 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
1,540 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
BMW5 Series Touring (G31)540i
Power
340 hp
254 kW
0-100 km/h5.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
BMW6 Series Gran Turismo (G32)640i
Power
340 hp
254 kW
0-100 km/h5.3 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

BMW 5 Series Touring (G31) 540i 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
BMW5 Series Touring (G31)540i
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
5.1 s
BMW6 Series Gran Turismo (G32)640i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
5.3 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
BMW5 Series Touring (G31)540i
193 hp/t
144 kW/t
5.2 kg/hp
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
BMW6 Series Gran Turismo (G32)640i
185 hp/t
138 kW/t
5.4 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW5 Series Touring (G31)540iBMW6 Series Gran Turismo (G32)640i
Power
340 hp
254 kW
340 hp
254 kW
Torque
450 Nm
332 lb-ft
450 Nm
332 lb-ft
Acceleration
5.1 s
5.3 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
1,835 kg
4,045 lb
Fuel consumption
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
570 L
20.1 cu ft
Length
4,942 mm
194.6 in
Height
1,498 mm
59.0 in
Doors/seats
5 doors
5 seats
Trunk
610 L
21.5 cu ft
Length
5,091 mm
200.4 in
Height
1,540 mm
60.6 in
Range score
883 km
549 mi
829 km
515 mi
CO2 score
177 g/km
187 g/km
Trunk score
570 L
20.1 cu ft
610 L
21.5 cu ft
Power-to-weight score
193 hp/t
144 kW/t
5.2 kg/hp
185 hp/t
138 kW/t
5.4 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 5 Series Touring (G31) 540iBMW 6 Series Gran Turismo (G32) 640i
Consumption7.7 L/100 km30.5 mpg US36.7 mpg UK8.2 L/100 km28.7 mpg US34.4 mpg UK
Cost / 100 km13.48 LC100 km14.35 LC100 km
Cost / 100 mi21.69 LC100 mi23.09 LC100 mi
Annual fuel used1,155 L305 US gal254 UK gal1,230 L325 US gal271 UK gal
Annual fuel cost2,021 LC/year2,153 LC/year

Head-to-head comparisons

BMW 5 Series Touring (G31) 540i

  • Is 70 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 0.5 L/100 km less fuel
  • Has 7 hp/t better power-to-weight
  • Has 54 km (33 mi) more estimated range
  • Emits 10 g/km less CO2

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

Cons

  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 5 Series Touring (G31) 540i
BMW 6 Series Gran Turismo (G32) 640i
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BMW 5 Series Touring (G31) 540i vs BMW 6 Series Gran Turismo (G32) 640i - car comparison - FastVsFaster