Car comparison

BMW X6 (G06) 40ivsBMW X3 (G01) M40d

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

New comparison

BMW X6 (G06)

40i

340 hp2998 ccGasolineAWDAutomaticTurbocharged2019-2020
VS

BMW X3 (G01)

M40d

340 hp2993 ccDieselAWDAutomaticTurbocharged2020-2021

Comparison overview

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

Best choices

BMW X3 (G01) M40d

  • Quickest 0-100 km/h
    4.9 s
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    2,020 kg
    4,453 lb
  • Best power-to-weight
    168 hp/t
    126 kW/t
    5.9 kg/hp
  • Lowest combined fuel consumption
    6.0 L/100 km
    39.2 mpg US
    47.1 mpg UK
  • Lowest city consumption
    7.2 L/100 km
    32.7 mpg US
    39.2 mpg UK
  • Lowest highway consumption
    5.2 L/100 km
    45.2 mpg US
    54.3 mpg UK
  • Best estimated range
    1,133 km
    704 mi
  • Best overall score
    74/100
  • Best performance score
    72/100
  • Best economy score
    91/100

BMW X6 (G06) 40i

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    340 hp
    254 kW
  • Largest trunk
    580 L
  • Best practicality score
    79/100

Specification comparison

Specification comparison
ModelBMWX6 (G06)40iBMWX3 (G01)M40d
Power
340hp254kW
340hp254kW
Torque
450Nm332lb-ft
700Nm516lb-ft
Curb weight
2,235kg4,927lb
2,020kg4,453lb
Gross weight
2,975kg6,559lb
2,560kg5,644lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
250 km/h
155 mph
To 99% top speed
103.4s99% target: 257 km/h / 160 mph
Calculated
73.2s99% target: 248 km/h / 154 mph
Calculated
0-100 km/h
5.5s
4.9s
0-200 km/h
23.3s
Calculated
20.1s
Calculated
0-60 mph
5.2s
Calculated
4.6s
Calculated
Fuel consumption
8.6L/100 km27.4mpg US32.8mpg UK
6L/100 km39.2mpg US47.1mpg UK
Fuel consumption city
10.1L/100 km23.3mpg US28.0mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
Fuel consumption highway
7.8L/100 km30.2mpg US36.2mpg UK
5.2L/100 km45.2mpg US54.3mpg UK
Quarter mile
13.8s
Calculated
13.2s
Calculated
Power-to-weight
152hp/t113kW/t69hp/1000 lb
Calculated
168hp/t126kW/t76hp/1000 lb
Calculated
Torque-to-weight
201Nm/t135lb-ft/ton
Calculated
347Nm/t232lb-ft/ton
Calculated
Estimated range
965km600mi
Calculated
1,133km704mi
Calculated
Displacement
2,998cc183cu in
2,993cc183cu in
Length
4,935mm194in
4,716mm186in
Width
2,004mm79in
1,897mm75in
Height
1,696mm67in
1,676mm66in
Wheelbase
2,975mm117in
2,864mm113in
Front track
1,678mm66in
1,615mm64in
Rear track
1,698mm67in
1,594mm63in
Ground clearance
216mm9in
204mm8in
Trunk volume
580L
550L
Max trunk volume
1,530L
1,600L
Doors
5
5
Seats
5
5
Fuel tank
83L
68L
CO2 emissions
197g/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 X6 (G06) 40iBMW X3 (G01) M40dPowerTorque
  • BMW X6 (G06) 40i: Power / Torque
  • BMW X3 (G01) M40d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX6 (G06)40i5,500-6,500 rpm1,500-5,200 rpm6,750 rpm
BMWX3 (G01)M40d4,400 rpm1,750-2,250 rpm4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWX6 (G06)40iBMWX3 (G01)M40d
Acceleration checkpoints
0-60 mph
0-97 km/h
5.2 s
4.6 s
0-100 km/h
0-62 mph
5.5 s
4.9 s
0-200 km/h
0-124 mph
23.3 s
20.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
250 km/h
155 mph
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.8 s
5.6 s
1/8 mile
201 m
8.9 s
8.5 s
1000 ft
305 m
11.5 s
11.0 s
1/4 mile
402 m
13.8 s
13.2 s
Trap speed
1/4 mile
402 m
162 km/h
101 mph
170 km/h
106 mph

Power comparison

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

Chart data table
VehicleValue
BMWX6 (G06)40i
340 hp
254 kW
BMWX3 (G01)M40d
340 hp
254 kW

Torque comparison

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

Chart data table
VehicleValue
BMWX6 (G06)40i
450 Nm
332 lb-ft
BMWX3 (G01)M40d
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWX6 (G06)40i
2,235 kg
4,927 lb
BMWX3 (G01)M40d
2,020 kg
4,453 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWX6 (G06)40i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX3 (G01)M40d
250 km/h
155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
BMWX6 (G06)40i5.5 s
BMWX3 (G01)M40d4.9 s

The biggest 0-100 km/h difference is between BMW X3 (G01) M40d and BMW X6 (G06) 40i: 0.6 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
BMWX6 (G06)40i
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
BMWX3 (G01)M40d
6.0 L/100 km
39.2 mpg US
47.1 mpg UK

The biggest fuel consumption difference is between BMW X3 (G01) M40d and BMW X6 (G06) 40i: 2.6 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
BMWX6 (G06)40i
152 hp/t
113 kW/t
6.6 kg/hp
BMWX3 (G01)M40d
168 hp/t
126 kW/t
5.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWX6 (G06)40i
965 km
600 mi
BMWX3 (G01)M40d
1,133 km
704 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWX6 (G06)40i
340 hp
254 kW
5.5 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX3 (G01)M40d
340 hp
254 kW
4.9 s
250 km/h
155 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
BMWX6 (G06)40i
Power
340 hp
254 kW
0-100 km/h5.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
580 L
20.5 cu ft
Length
4,935 mm
194.3 in
Height
1,696 mm
66.8 in
BMWX3 (G01)M40d
Power
340 hp
254 kW
0-100 km/h4.9 s
Top speed
250 km/h
155 mph
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,716 mm
185.7 in
Height
1,676 mm
66.0 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
BMWX6 (G06)40i
Power
340 hp
254 kW
0-100 km/h5.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
BMWX3 (G01)M40d
Power
340 hp
254 kW
0-100 km/h4.9 s
Top speed
250 km/h
155 mph
6.0 L/100 km
39.2 mpg US
47.1 mpg UK

BMW X3 (G01) M40d 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
BMWX6 (G06)40i
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
5.5 s
BMWX3 (G01)M40d
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
4.9 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
BMWX6 (G06)40i
152 hp/t
113 kW/t
6.6 kg/hp
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
BMWX3 (G01)M40d
168 hp/t
126 kW/t
5.9 kg/hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWX6 (G06)40iBMWX3 (G01)M40d
Power
340 hp
254 kW
340 hp
254 kW
Torque
450 Nm
332 lb-ft
700 Nm
516 lb-ft
Acceleration
5.5 s
4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
250 km/h
155 mph
Lightness
2,235 kg
4,927 lb
2,020 kg
4,453 lb
Fuel consumption
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
580 L
20.5 cu ft
Length
4,935 mm
194.3 in
Height
1,696 mm
66.8 in
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,716 mm
185.7 in
Height
1,676 mm
66.0 in
Range score
965 km
600 mi
1,133 km
704 mi
CO2 score
197 g/km
-
Trunk score
580 L
20.5 cu ft
550 L
19.4 cu ft
Power-to-weight score
152 hp/t
113 kW/t
6.6 kg/hp
168 hp/t
126 kW/t
5.9 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 X6 (G06) 40iBMW X3 (G01) M40d
Consumption8.6 L/100 km27.4 mpg US32.8 mpg UK6 L/100 km39.2 mpg US47.1 mpg UK
Cost / 100 km15.05 LC100 km10.50 LC100 km
Cost / 100 mi24.22 LC100 mi16.90 LC100 mi
Annual fuel used1,290 L341 US gal284 UK gal900 L238 US gal198 UK gal
Annual fuel cost2,258 LC/year1,575 LC/year

Head-to-head comparisons

BMW X6 (G06) 40i

  • Has 10 km/h (6 mph) higher top speed
  • Has 30 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest

BMW X3 (G01) M40d

  • Has 250 Nm more
  • Is 215 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Uses 2.6 L/100 km less fuel
  • Has 16 hp/t better power-to-weight
  • Has 168 km (105 mi) more estimated range

Pros

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

Cons

  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW X6 (G06) 40i
BMW X3 (G01) M40d
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2 vehicles selected

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