Car comparison

BMW 6 Series Gran Turismo (G32) 640ivsBMW X5 (G05) 40i

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

New comparison

BMW 6 Series Gran Turismo (G32)

640i

340 hp2998 ccGasolineAWDAutomaticTurbocharged2017-2020

BMW X5 (G05)

40i

340 hp2998 ccGasolineAWDAutomaticTurbocharged2018-2020

Comparison overview

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

BMW 6 Series Gran Turismo (G32) 640i

Quickest 0-100 km/h
5.3 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
1,835 kg
4,045 lb
Best power-to-weight
185 hp/t
138 kW/t
5.4 kg/hp
Lowest combined fuel consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Lowest CO2 emissions
187 g/km
Best overall score
72/100
Best performance score
68/100
Best economy score
85/100

BMW X5 (G05) 40i

Best estimated range
943 km
586 mi
Largest trunk
645 L
Best practicality score
81/100

Specification comparison

Specification comparison
Model	BMW6 Series Gran Turismo (G32)640i	BMWX5 (G05)40i
Power	340hp254kW	340hp254kW
Torque	450Nm332lb-ft	450Nm332lb-ft
Curb weight	1,835kg4,045lb	2,135kg4,707lb
Gross weight	2,515kg5,545lb	3,010kg6,636lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	243 km/h 151 mph
To 99% top speed	71.6s99% target: 257 km/h / 160 mph Calculated	87.7s99% target: 241 km/h / 149 mph Calculated
0-100 km/h	5.3s	5.5s
0-200 km/h	19.1s Calculated	25.1s Calculated
0-60 mph	5.0s Calculated	5.2s Calculated
Fuel consumption	8.2L/100 km28.7mpg US34.4mpg UK	8.8L/100 km26.7mpg US32.1mpg UK
Fuel consumption city	11.1L/100 km21.2mpg US25.4mpg UK	-
Fuel consumption highway	6.5L/100 km36.2mpg US43.5mpg UK	-
Quarter mile	13.4s Calculated	13.8s Calculated
Power-to-weight	185hp/t138kW/t84hp/1000 lb Calculated	159hp/t119kW/t72hp/1000 lb Calculated
Torque-to-weight	245Nm/t164lb-ft/ton Calculated	211Nm/t141lb-ft/ton Calculated
Estimated range	829km515mi Calculated	943km586mi Calculated
Displacement	2,998cc183cu in	2,998cc183cu in
Length	5,091mm200in	4,922mm194in
Width	1,902mm75in	2,004mm79in
Height	1,540mm61in	1,745mm69in
Wheelbase	3,070mm121in	2,975mm117in
Front track	1,615mm64in	1,666mm66in
Rear track	1,647mm65in	1,685mm66in
Ground clearance	138mm5in	214mm8in
Trunk volume	610L	645L
Max trunk volume	1,800L	1,860L
Doors	5	5
Seats	5	7
Fuel tank	68L	83L
CO2 emissions	187g/km	200g/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 Gran Turismo (G32) 640iBMW X5 (G05) 40iPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW6 Series Gran Turismo (G32)640i	5,500-6,500 rpm	1,380-5,200 rpm	6,750 rpm
BMWX5 (G05)40i	5,500-6,500 rpm	1,500-5,200 rpm	6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW6 Series Gran Turismo (G32)640i	BMWX5 (G05)40i
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.0 s	5.2 s
0-100 km/h 0-62 mph	5.3 s	5.5 s
0-200 km/h 0-124 mph	19.1 s	25.1 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited	243 km/h 151 mph
	Drag race simulation
60 ft 18 m	2.2 s	2.1 s
330 ft 101 m	5.8 s	5.8 s
1/8 mile 201 m	8.8 s	8.9 s
1000 ft 305 m	11.3 s	11.5 s
1/4 mile 402 m	13.4 s	13.8 s
Trap speed 1/4 mile 402 m	172 km/h 107 mph	161 km/h 100 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW6 Series Gran Turismo (G32)640i	340 hp 254 kW
BMWX5 (G05)40i	340 hp 254 kW

Torque comparison

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

Chart data table
Vehicle	Value
BMW6 Series Gran Turismo (G32)640i	450 Nm 332 lb-ft
BMWX5 (G05)40i	450 Nm 332 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW6 Series Gran Turismo (G32)640i	1,835 kg 4,045 lb
BMWX5 (G05)40i	2,135 kg 4,707 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 Gran Turismo (G32)640i	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
BMWX5 (G05)40i	243 km/h 151 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 Gran Turismo (G32)640i	5.3 s
BMWX5 (G05)40i	5.5 s

The biggest 0-100 km/h difference is between BMW 6 Series Gran Turismo (G32) 640i and BMW X5 (G05) 40i: 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 Gran Turismo (G32)640i	8.2 L/100 km 28.7 mpg US 34.4 mpg UK
BMWX5 (G05)40i	8.8 L/100 km 26.7 mpg US 32.1 mpg UK

The biggest fuel consumption difference is between BMW 6 Series Gran Turismo (G32) 640i and BMW X5 (G05) 40i: 0.6 L/100 km.

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 Gran Turismo (G32)640i	185 hp/t 138 kW/t 5.4 kg/hp
BMWX5 (G05)40i	159 hp/t 119 kW/t 6.3 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BMW6 Series Gran Turismo (G32)640i	829 km 515 mi
BMWX5 (G05)40i	943 km 586 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW6 Series Gran Turismo (G32)640i	340 hp 254 kW	5.3 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
BMWX5 (G05)40i	340 hp 254 kW	5.5 s	243 km/h 151 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 Gran Turismo (G32)640i

Power	340 hp 254 kW
0-100 km/h	5.3 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

BMWX5 (G05)40i

Power	340 hp 254 kW
0-100 km/h	5.5 s
Top speed 243 km/h 151 mph

Doors/seats	5 doors 7 seats
Trunk	645 L 22.8 cu ft
Length	4,922 mm 193.8 in
Height	1,745 mm 68.7 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 Gran Turismo (G32)640i

Power	340 hp 254 kW
0-100 km/h	5.3 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

BMWX5 (G05)40i

Power	340 hp 254 kW
0-100 km/h	5.5 s
Top speed 243 km/h 151 mph

8.8 L/100 km

26.7 mpg US

32.1 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BMW6 Series Gran Turismo (G32)640i	8.2 L/100 km 28.7 mpg US 34.4 mpg UK	5.3 s
BMWX5 (G05)40i	8.8 L/100 km 26.7 mpg US 32.1 mpg UK	5.5 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 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
BMWX5 (G05)40i	159 hp/t 119 kW/t 6.3 kg/hp	8.8 L/100 km 26.7 mpg US 32.1 mpg UK

Detailed score breakdown

Vehicle

BMW6 Series Gran Turismo (G32)640i

BMWX5 (G05)40i

Power

340 hp

254 kW

340 hp

254 kW

Torque

450 Nm

332 lb-ft

450 Nm

332 lb-ft

Acceleration

5.3 s

5.5 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

243 km/h

151 mph

Lightness

1,835 kg

4,045 lb

2,135 kg

4,707 lb

Fuel consumption

8.2 L/100 km

28.7 mpg US

34.4 mpg UK

8.8 L/100 km

26.7 mpg US

32.1 mpg UK

Practicality

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

Doors/seats	5 doors 7 seats
Trunk	645 L 22.8 cu ft
Length	4,922 mm 193.8 in
Height	1,745 mm 68.7 in

Range score

829 km

515 mi

943 km

586 mi

CO2 score

187 g/km

200 g/km

Trunk score

610 L

21.5 cu ft

645 L

22.8 cu ft

Power-to-weight score

185 hp/t

138 kW/t

5.4 kg/hp

159 hp/t

119 kW/t

6.3 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 Gran Turismo (G32) 640i	BMW X5 (G05) 40i
Consumption	8.2 L/100 km28.7 mpg US34.4 mpg UK	8.8 L/100 km26.7 mpg US32.1 mpg UK
Cost / 100 km	14.35 LC100 km	15.40 LC100 km
Cost / 100 mi	23.09 LC100 mi	24.78 LC100 mi
Annual fuel used	1,230 L325 US gal271 UK gal	1,320 L349 US gal290 UK gal
Annual fuel cost	2,153 LC/year	2,310 LC/year