Car comparison

BMW X6 (G06) M50dvsBMW X3 (G01) M40i

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

New comparison

BMW X6 (G06)

M50d

400 hp2993 ccDieselAWDAutomaticTurbocharged2019-2020
VS

BMW X3 (G01)

M40i

360 hp2998 ccGasolineAWDAutomaticTurbocharged2019-2021

Comparison overview

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

Best choices

BMW X6 (G06) M50d

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    400 hp
    298 kW
  • Highest torque
    760 Nm
    561 lb-ft
  • Lowest combined fuel consumption
    7.2 L/100 km
    32.7 mpg US
    39.2 mpg UK
  • Lowest city consumption
    8.1 L/100 km
    29.0 mpg US
    34.9 mpg UK
  • Lowest highway consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Best estimated range
    1,111 km
    690 mi
  • Largest trunk
    580 L
  • Best overall score
    76/100
  • Best performance score
    75/100
  • Best economy score
    87/100
  • Best practicality score
    79/100

BMW X3 (G01) M40i

  • Quickest 0-100 km/h
    4.8 s
  • Lightest
    1,845 kg
    4,068 lb
  • Best power-to-weight
    195 hp/t
    146 kW/t
    5.1 kg/hp
  • Lowest CO2 emissions
    187 g/km

Specification comparison

Specification comparison
ModelBMWX6 (G06)M50dBMWX3 (G01)M40i
Power
400hp298kW
360hp268kW
Torque
760Nm561lb-ft
500Nm369lb-ft
Curb weight
2,260kg4,982lb
1,845kg4,068lb
Gross weight
3,010kg6,636lb
2,455kg5,412lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
250 km/h
155 mph
To 99% top speed
97.3s99% target: 257 km/h / 160 mph
Calculated
69.7s99% target: 248 km/h / 154 mph
Calculated
0-100 km/h
5.2s
4.8s
0-200 km/h
21.9s
Calculated
19.4s
Calculated
0-60 mph
4.9s
Calculated
4.5s
Calculated
Fuel consumption
7.2L/100 km32.7mpg US39.2mpg UK
8.2L/100 km28.7mpg US34.4mpg UK
Fuel consumption city
8.1L/100 km29mpg US34.9mpg UK
10.1L/100 km23.3mpg US28.0mpg UK
Fuel consumption highway
6.8L/100 km34.6mpg US41.5mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
Quarter mile
13.5s
Calculated
13.1s
Calculated
Power-to-weight
177hp/t132kW/t80hp/1000 lb
Calculated
195hp/t146kW/t89hp/1000 lb
Calculated
Torque-to-weight
336Nm/t225lb-ft/ton
Calculated
271Nm/t181lb-ft/ton
Calculated
Estimated range
1,111km690mi
Calculated
793km493mi
Calculated
Displacement
2,993cc183cu in
2,998cc183cu 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
80L
65L
CO2 emissions
190g/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 X6 (G06) M50dBMW X3 (G01) M40iPowerTorque
  • BMW X6 (G06) M50d: Power / Torque
  • BMW X3 (G01) M40i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX6 (G06)M50d4,400 rpm2,000-3,000 rpm4,650 rpm
BMWX3 (G01)M40i5,200-6,500 rpm1,850-5,000 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWX6 (G06)M50dBMWX3 (G01)M40i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
4.5 s
0-100 km/h
0-62 mph
5.2 s
4.8 s
0-200 km/h
0-124 mph
21.9 s
19.4 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
2.0 s
2.0 s
330 ft
101 m
5.7 s
5.5 s
1/8 mile
201 m
8.7 s
8.4 s
1000 ft
305 m
11.3 s
10.9 s
1/4 mile
402 m
13.5 s
13.1 s
Trap speed
1/4 mile
402 m
165 km/h
103 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
BMWX6 (G06)M50d
400 hp
298 kW
BMWX3 (G01)M40i
360 hp
268 kW

BMW X6 (G06) M50d has 40 hp more than BMW X3 (G01) M40i.

The biggest power difference is between BMW X3 (G01) M40i and BMW X6 (G06) M50d: 40 hp (30 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWX6 (G06)M50d
760 Nm
561 lb-ft
BMWX3 (G01)M40i
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWX6 (G06)M50d
2,260 kg
4,982 lb
BMWX3 (G01)M40i
1,845 kg
4,068 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)M50d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX3 (G01)M40i
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)M50d5.2 s
BMWX3 (G01)M40i4.8 s

Although BMW X6 (G06) M50d has more power, BMW X3 (G01) M40i is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW X3 (G01) M40i and BMW X6 (G06) M50d: 0.4 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)M50d
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
BMWX3 (G01)M40i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

The biggest fuel consumption difference is between BMW X6 (G06) M50d and BMW X3 (G01) M40i: 1.0 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)M50d
177 hp/t
132 kW/t
5.6 kg/hp
BMWX3 (G01)M40i
195 hp/t
146 kW/t
5.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWX6 (G06)M50d
1,111 km
690 mi
BMWX3 (G01)M40i
793 km
493 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWX6 (G06)M50d
400 hp
298 kW
5.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX3 (G01)M40i
360 hp
268 kW
4.8 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)M50d
Power
400 hp
298 kW
0-100 km/h5.2 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)M40i
Power
360 hp
268 kW
0-100 km/h4.8 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)M50d
Power
400 hp
298 kW
0-100 km/h5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
BMWX3 (G01)M40i
Power
360 hp
268 kW
0-100 km/h4.8 s
Top speed
250 km/h
155 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

BMW X6 (G06) M50d 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)M50d
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
5.2 s
BMWX3 (G01)M40i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
4.8 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)M50d
177 hp/t
132 kW/t
5.7 kg/hp
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
BMWX3 (G01)M40i
195 hp/t
146 kW/t
5.1 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWX6 (G06)M50dBMWX3 (G01)M40i
Power
400 hp
298 kW
360 hp
268 kW
Torque
760 Nm
561 lb-ft
500 Nm
369 lb-ft
Acceleration
5.2 s
4.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
250 km/h
155 mph
Lightness
2,260 kg
4,982 lb
1,845 kg
4,068 lb
Fuel consumption
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
8.2 L/100 km
28.7 mpg US
34.4 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
1,111 km
690 mi
793 km
493 mi
CO2 score
190 g/km
187 g/km
Trunk score
580 L
20.5 cu ft
550 L
19.4 cu ft
Power-to-weight score
177 hp/t
132 kW/t
5.7 kg/hp
195 hp/t
146 kW/t
5.1 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) M50dBMW X3 (G01) M40i
Consumption7.2 L/100 km32.7 mpg US39.2 mpg UK8.2 L/100 km28.7 mpg US34.4 mpg UK
Cost / 100 km12.60 LC100 km14.35 LC100 km
Cost / 100 mi20.28 LC100 mi23.09 LC100 mi
Annual fuel used1,080 L285 US gal238 UK gal1,230 L325 US gal271 UK gal
Annual fuel cost1,890 LC/year2,153 LC/year

Head-to-head comparisons

BMW X6 (G06) M50d

  • Has 40 hp more
  • Has 260 Nm more
  • Has 10 km/h (6 mph) higher top speed
  • Uses 1.0 L/100 km less fuel
  • Has 318 km (198 mi) more estimated range
  • Has 30 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Highest CO2 emissions

BMW X3 (G01) M40i

  • Is 415 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 18 hp/t better power-to-weight
  • Emits 3 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW X6 (G06) M50d
BMW X3 (G01) M40i
Compare selected cars
2 vehicles selected

Popular comparisons

M50d
M50d
VS
BMWX6 (G06)M50dvsBMWX6 (F16)M50d
M40i
M40i
VS
BMWX3 (G01)M40ivsBMWX3 (G01 LCI)Facelift 2021M40i
M50d
40i
VS
BMWX6 (G06)M50dvsBMWX6 (G06 LCI)Facelift 202340i
M40i
M50
VS
BMWX3 (G01)M40ivsBMWX3 (G45)M50
M50d
50i
VS
BMWX6 (G06)M50dvsBMWX6 (E71)50i
M40i
35d
VS
BMWX3 (G01)M40ivsBMWX3 (F25 LCI)Facelift 201435d
M50d
M50d
VS
BMWX6 (G06)M50dvsBMWX5 (G05)M50d
M40i
35d
VS
BMWX3 (G01)M40ivsBMWX3 (F25)35d
M50d
M50d
VS
BMWX6 (G06)M50dvsBMWX7 (G07)M50d
M40i
35d
VS
BMWX3 (G01)M40ivsBMWX3 (E83)Facelift 200635d
M50d
750d
VS
BMWX6 (G06)M50dvsBMW7 Series (G11 LCI)Facelift 2019750d
M40i
3.0i
VS
BMWX3 (G01)M40ivsBMWX3 (E83)3.0i
BMW X6 (G06) M50d vs BMW X3 (G01) M40i - car comparison - FastVsFaster