Car comparison

BMW X4 (G02 LCI) · Facelift 2021 M40dvsBMW X4 (F26) M40i

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

New comparison

BMW X4 (G02 LCI) · Facelift 2021

M40d

340 hp2993 ccDieselAWDAutomaticTurbocharged2021-2025
VS

BMW X4 (F26)

M40i

360 hp2979 ccGasolineAWDAutomaticTurbocharged2015-2018

Comparison overview

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

Best choices

BMW X4 (G02 LCI) Facelift 2021 M40d

  • Quickest 0-100 km/h
    4.9 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    700 Nm
    516 lb-ft
  • Lowest combined fuel consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Best estimated range
    932 km
    579 mi
  • Largest trunk
    525 L
  • Best overall score
    74/100
  • Best performance score
    73/100
  • Best economy score
    87/100
  • Best practicality score
    76/100

BMW X4 (F26) M40i

  • Most powerful
    360 hp
    268 kW
  • Lightest
    1,765 kg
    3,891 lb
  • Best power-to-weight
    204 hp/t
    152 kW/t
    4.9 kg/hp

Specification comparison

Specification comparison
ModelBMWX4 (G02 LCI)Facelift 2021M40dBMWX4 (F26)M40i
Power
340hp254kW
360hp268kW
Torque
700Nm516lb-ft
465Nm343lb-ft
Curb weight
2,020kg4,453lb
1,765kg3,891lb
Gross weight
2,560kg5,644lb
2,430kg5,357lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
250 km/h
155 mph
To 99% top speed
80.4s99% target: 257 km/h / 160 mph
Calculated
72.2s99% target: 248 km/h / 154 mph
Calculated
0-100 km/h
4.9s
4.9s
0-200 km/h
19.4s
Calculated
20.0s
Calculated
0-60 mph
4.6s
Calculated
4.6s
Calculated
Fuel consumption
7.3L/100 km32.2mpg US38.7mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Fuel consumption city-
11.3L/100 km20.8mpg US25.0mpg UK
Fuel consumption highway-
7L/100 km33.6mpg US40.4mpg UK
Quarter mile
13.1s
Calculated
13.2s
Calculated
Power-to-weight
168hp/t126kW/t76hp/1000 lb
Calculated
204hp/t152kW/t93hp/1000 lb
Calculated
Torque-to-weight
347Nm/t232lb-ft/ton
Calculated
263Nm/t176lb-ft/ton
Calculated
Estimated range
932km579mi
Calculated
779km484mi
Calculated
Displacement
2,993cc183cu in
2,979cc182cu in
Length
4,752mm187in
4,671mm184in
Width
1,938mm76in
1,901mm75in
Height
1,621mm64in
1,624mm64in
Wheelbase
2,864mm113in
2,810mm111in
Front track
1,615mm64in
1,610mm63in
Rear track
1,624mm64in
1,600mm63in
Ground clearance
204mm8in
204mm8in
Trunk volume
525L
500L
Max trunk volume
1,430L
1,400L
Doors
5
5
Seats
5
5
Fuel tank
68L
67L
CO2 emissions-
199g/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 X4 (G02 LCI) Facelift 2021 M40dBMW X4 (F26) M40iPowerTorque
  • BMW X4 (G02 LCI) Facelift 2021 M40d: Power / Torque
  • BMW X4 (F26) M40i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX4 (G02 LCI)Facelift 2021M40d4,400 rpm1,750-2,250 rpm4,650 rpm
BMWX4 (F26)M40i5,800-6,000 rpm1,350-5,250 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWX4 (G02 LCI)Facelift 2021M40dBMWX4 (F26)M40i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.6 s
4.6 s
0-100 km/h
0-62 mph
4.9 s
4.9 s
0-200 km/h
0-124 mph
19.4 s
20.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
250 km/h
155 mph
Drag race simulation
60 ft
18 m
2.0 s
2.1 s
330 ft
101 m
5.6 s
5.6 s
1/8 mile
201 m
8.5 s
8.5 s
1000 ft
305 m
11.0 s
11.0 s
1/4 mile
402 m
13.1 s
13.2 s
Trap speed
1/4 mile
402 m
171 km/h
106 mph
171 km/h
106 mph

Power comparison

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

Chart data table
VehicleValue
BMWX4 (G02 LCI)Facelift 2021M40d
340 hp
254 kW
BMWX4 (F26)M40i
360 hp
268 kW

BMW X4 (F26) M40i has 20 hp more than BMW X4 (G02 LCI) Facelift 2021 M40d.

The biggest power difference is between BMW X4 (G02 LCI) Facelift 2021 M40d and BMW X4 (F26) M40i: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWX4 (G02 LCI)Facelift 2021M40d
700 Nm
516 lb-ft
BMWX4 (F26)M40i
465 Nm
343 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWX4 (G02 LCI)Facelift 2021M40d
2,020 kg
4,453 lb
BMWX4 (F26)M40i
1,765 kg
3,891 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWX4 (G02 LCI)Facelift 2021M40d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX4 (F26)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
BMWX4 (G02 LCI)Facelift 2021M40d4.9 s
BMWX4 (F26)M40i4.9 s

Although BMW X4 (F26) M40i has more power, BMW X4 (G02 LCI) Facelift 2021 M40d is quicker from 0-100 km/h.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMWX4 (G02 LCI)Facelift 2021M40d
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMWX4 (F26)M40i
8.6 L/100 km
27.4 mpg US
32.8 mpg UK

The biggest fuel consumption difference is between BMW X4 (G02 LCI) Facelift 2021 M40d and BMW X4 (F26) M40i: 1.3 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
BMWX4 (G02 LCI)Facelift 2021M40d
168 hp/t
126 kW/t
5.9 kg/hp
BMWX4 (F26)M40i
204 hp/t
152 kW/t
4.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWX4 (G02 LCI)Facelift 2021M40d
932 km
579 mi
BMWX4 (F26)M40i
779 km
484 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWX4 (G02 LCI)Facelift 2021M40d
340 hp
254 kW
4.9 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX4 (F26)M40i
360 hp
268 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
BMWX4 (G02 LCI)Facelift 2021M40d
Power
340 hp
254 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
525 L
18.5 cu ft
Length
4,752 mm
187.1 in
Height
1,621 mm
63.8 in
BMWX4 (F26)M40i
Power
360 hp
268 kW
0-100 km/h4.9 s
Top speed
250 km/h
155 mph
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,671 mm
183.9 in
Height
1,624 mm
63.9 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
BMWX4 (G02 LCI)Facelift 2021M40d
Power
340 hp
254 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMWX4 (F26)M40i
Power
360 hp
268 kW
0-100 km/h4.9 s
Top speed
250 km/h
155 mph
8.6 L/100 km
27.4 mpg US
32.8 mpg UK

BMW X4 (G02 LCI) Facelift 2021 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
BMWX4 (G02 LCI)Facelift 2021M40d
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
4.9 s
BMWX4 (F26)M40i
8.6 L/100 km
27.4 mpg US
32.8 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
BMWX4 (G02 LCI)Facelift 2021M40d
168 hp/t
126 kW/t
5.9 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMWX4 (F26)M40i
204 hp/t
152 kW/t
4.9 kg/hp
8.6 L/100 km
27.4 mpg US
32.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWX4 (G02 LCI)Facelift 2021M40dBMWX4 (F26)M40i
Power
340 hp
254 kW
360 hp
268 kW
Torque
700 Nm
516 lb-ft
465 Nm
343 lb-ft
Acceleration
4.9 s
4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
250 km/h
155 mph
Lightness
2,020 kg
4,453 lb
1,765 kg
3,891 lb
Fuel consumption
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
525 L
18.5 cu ft
Length
4,752 mm
187.1 in
Height
1,621 mm
63.8 in
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,671 mm
183.9 in
Height
1,624 mm
63.9 in
Range score
932 km
579 mi
779 km
484 mi
CO2 score
-
199 g/km
Trunk score
525 L
18.5 cu ft
500 L
17.7 cu ft
Power-to-weight score
168 hp/t
126 kW/t
5.9 kg/hp
204 hp/t
152 kW/t
4.9 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 X4 (G02 LCI) Facelift 2021 M40dBMW X4 (F26) M40i
Consumption7.3 L/100 km32.2 mpg US38.7 mpg UK8.6 L/100 km27.4 mpg US32.8 mpg UK
Cost / 100 km12.78 LC100 km15.05 LC100 km
Cost / 100 mi20.56 LC100 mi24.22 LC100 mi
Annual fuel used1,095 L289 US gal241 UK gal1,290 L341 US gal284 UK gal
Annual fuel cost1,916 LC/year2,258 LC/year

Head-to-head comparisons

BMW X4 (G02 LCI) Facelift 2021 M40d

  • Has 235 Nm more
  • Has 10 km/h (6 mph) higher top speed
  • Uses 1.3 L/100 km less fuel
  • Has 152 km (95 mi) more estimated range
  • Has 25 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power
  • Heaviest

BMW X4 (F26) M40i

  • Has 20 hp more
  • Is 255 kg lighter
  • Has 36 hp/t better power-to-weight

Pros

  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW X4 (G02 LCI) M40d
BMW X4 (F26) M40i
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