Car comparison

BMW X4 (G02 LCI) · Facelift 2021 M40ivsBMW X4 (G02) M40d

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

New comparison

BMW X4 (G02 LCI) · Facelift 2021

M40i

360 hp2998 ccGasolineAWDAutomaticTurbocharged2021-2025
VS

BMW X4 (G02)

M40d

326 hp2993 ccDieselAWDAutomaticTurbocharged2018-2020

Comparison overview

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

Best choices

BMW X4 (G02) M40d

  • Highest torque
    680 Nm
    502 lb-ft
  • Lightest
    1,895 kg
    4,178 lb
  • Lowest combined fuel consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Best estimated range
    1,030 km
    640 mi
  • Best overall score
    73/100
  • Best performance score
    72/100
  • Best economy score
    89/100

BMW X4 (G02 LCI) Facelift 2021 M40i

  • Quickest 0-100 km/h
    4.9 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    360 hp
    268 kW
  • Best power-to-weight
    188 hp/t
    140 kW/t
    5.3 kg/hp
  • Largest trunk
    525 L
  • Best practicality score
    76/100

Specification comparison

Specification comparison
ModelBMWX4 (G02 LCI)Facelift 2021M40iBMWX4 (G02)M40d
Power
360hp268kW
326hp243kW
Torque
500Nm369lb-ft
680Nm502lb-ft
Curb weight
1,920kg4,233lb
1,895kg4,178lb
Gross weight
2,500kg5,512lb
2,525kg5,567lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
250 km/h
155 mph
To 99% top speed
76.8s99% target: 257 km/h / 160 mph
Calculated
72.7s99% target: 248 km/h / 154 mph
Calculated
0-100 km/h
4.9s
4.9s
0-200 km/h
18.9s
Calculated
20.0s
Calculated
0-60 mph
4.6s
Calculated
4.6s
Calculated
Fuel consumption
9.5L/100 km24.8mpg US29.7mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
Fuel consumption city-
7.3L/100 km32.2mpg US38.7mpg UK
Fuel consumption highway-
6.3L/100 km37.3mpg US44.8mpg UK
Quarter mile
13.1s
Calculated
13.2s
Calculated
Power-to-weight
188hp/t140kW/t85hp/1000 lb
Calculated
172hp/t128kW/t78hp/1000 lb
Calculated
Torque-to-weight
260Nm/t174lb-ft/ton
Calculated
359Nm/t240lb-ft/ton
Calculated
Estimated range
684km425mi
Calculated
1,030km640mi
Calculated
Displacement
2,998cc183cu in
2,993cc183cu in
Length
4,752mm187in
4,752mm187in
Width
1,938mm76in
1,938mm76in
Height
1,621mm64in
1,621mm64in
Wheelbase
2,864mm113in
2,864mm113in
Front track
1,615mm64in
1,615mm64in
Rear track
1,624mm64in
1,624mm64in
Ground clearance
204mm8in
204mm8in
Trunk volume
525L
525L
Max trunk volume
1,430L
1,430L
Doors
5
5
Seats
5
5
Fuel tank
65L
68L
CO2 emissions-
173g/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 M40iBMW X4 (G02) M40dPowerTorque
  • BMW X4 (G02 LCI) Facelift 2021 M40i: Power / Torque
  • BMW X4 (G02) M40d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX4 (G02 LCI)Facelift 2021M40i5,200-6,500 rpm1,900-5,000 rpm6,750 rpm
BMWX4 (G02)M40d4,400 rpm1,750-2,750 rpm4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWX4 (G02 LCI)Facelift 2021M40iBMWX4 (G02)M40d
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
18.9 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
2.1 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
172 km/h
107 mph
170 km/h
106 mph

Power comparison

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

Chart data table
VehicleValue
BMWX4 (G02 LCI)Facelift 2021M40i
360 hp
268 kW
BMWX4 (G02)M40d
326 hp
243 kW

BMW X4 (G02 LCI) Facelift 2021 M40i has 34 hp more than BMW X4 (G02) M40d.

The biggest power difference is between BMW X4 (G02) M40d and BMW X4 (G02 LCI) Facelift 2021 M40i: 34 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWX4 (G02 LCI)Facelift 2021M40i
500 Nm
369 lb-ft
BMWX4 (G02)M40d
680 Nm
502 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWX4 (G02 LCI)Facelift 2021M40i
1,920 kg
4,233 lb
BMWX4 (G02)M40d
1,895 kg
4,178 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 2021M40i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX4 (G02)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
BMWX4 (G02 LCI)Facelift 2021M40i4.9 s
BMWX4 (G02)M40d4.9 s

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 2021M40i
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
BMWX4 (G02)M40d
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

The biggest fuel consumption difference is between BMW X4 (G02) M40d and BMW X4 (G02 LCI) Facelift 2021 M40i: 2.9 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 2021M40i
188 hp/t
140 kW/t
5.3 kg/hp
BMWX4 (G02)M40d
172 hp/t
128 kW/t
5.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWX4 (G02 LCI)Facelift 2021M40i
684 km
425 mi
BMWX4 (G02)M40d
1,030 km
640 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWX4 (G02 LCI)Facelift 2021M40i
360 hp
268 kW
4.9 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX4 (G02)M40d
326 hp
243 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 2021M40i
Power
360 hp
268 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 (G02)M40d
Power
326 hp
243 kW
0-100 km/h4.9 s
Top speed
250 km/h
155 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

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 2021M40i
Power
360 hp
268 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
BMWX4 (G02)M40d
Power
326 hp
243 kW
0-100 km/h4.9 s
Top speed
250 km/h
155 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

BMW X4 (G02) 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 2021M40i
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
4.9 s
BMWX4 (G02)M40d
6.6 L/100 km
35.6 mpg US
42.8 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 2021M40i
188 hp/t
140 kW/t
5.3 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
BMWX4 (G02)M40d
172 hp/t
128 kW/t
5.8 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWX4 (G02 LCI)Facelift 2021M40iBMWX4 (G02)M40d
Power
360 hp
268 kW
326 hp
243 kW
Torque
500 Nm
369 lb-ft
680 Nm
502 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
1,920 kg
4,233 lb
1,895 kg
4,178 lb
Fuel consumption
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
6.6 L/100 km
35.6 mpg US
42.8 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
525 L
18.5 cu ft
Length
4,752 mm
187.1 in
Height
1,621 mm
63.8 in
Range score
684 km
425 mi
1,030 km
640 mi
CO2 score
-
173 g/km
Trunk score
525 L
18.5 cu ft
525 L
18.5 cu ft
Power-to-weight score
188 hp/t
140 kW/t
5.3 kg/hp
172 hp/t
128 kW/t
5.8 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 M40iBMW X4 (G02) M40d
Consumption9.5 L/100 km24.8 mpg US29.7 mpg UK6.6 L/100 km35.6 mpg US42.8 mpg UK
Cost / 100 km16.63 LC100 km11.55 LC100 km
Cost / 100 mi26.76 LC100 mi18.59 LC100 mi
Annual fuel used1,425 L376 US gal313 UK gal990 L262 US gal218 UK gal
Annual fuel cost2,494 LC/year1,733 LC/year

Head-to-head comparisons

BMW X4 (G02 LCI) Facelift 2021 M40i

  • Has 34 hp more
  • Has 10 km/h (6 mph) higher top speed
  • Has 15 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest

BMW X4 (G02) M40d

  • Has 180 Nm more
  • Is 25 kg lighter
  • Uses 2.9 L/100 km less fuel
  • Has 346 km (215 mi) more estimated range

Pros

  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

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