Car comparison

BMW X3 (G01 LCI) · Facelift 2021 M40dvsBMW X4 (G02 LCI) · Facelift 2021 M40d

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

New comparison

BMW X3 (G01 LCI) · Facelift 2021

M40d

340 hp2993 ccDieselAWDAutomaticTurbocharged2021-2024
VS

BMW X4 (G02 LCI) · Facelift 2021

M40d

340 hp2993 ccDieselAWDAutomaticTurbocharged2021-2025

Comparison overview

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

Best choices

BMW X3 (G01 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
  • Most powerful
    340 hp
    254 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    2,005 kg
    4,420 lb
  • Best power-to-weight
    170 hp/t
    126 kW/t
    5.9 kg/hp
  • 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
    550 L
  • Best overall score
    74/100
  • Best performance score
    73/100
  • Best economy score
    87/100
  • Best practicality score
    77/100

Specification comparison

Specification comparison
ModelBMWX3 (G01 LCI)Facelift 2021M40dBMWX4 (G02 LCI)Facelift 2021M40d
Power
340hp254kW
340hp254kW
Torque
700Nm516lb-ft
700Nm516lb-ft
Curb weight
2,005kg4,420lb
2,020kg4,453lb
Gross weight
2,580kg5,688lb
2,560kg5,644lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
77.6s99% target: 257 km/h / 160 mph
Calculated
80.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.9s
4.9s
0-200 km/h
19.0s
Calculated
19.4s
Calculated
0-60 mph
4.6s
Calculated
4.6s
Calculated
Fuel consumption
7.3L/100 km32.2mpg US38.7mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
Quarter mile
13.1s
Calculated
13.1s
Calculated
Power-to-weight
170hp/t126kW/t77hp/1000 lb
Calculated
168hp/t126kW/t76hp/1000 lb
Calculated
Torque-to-weight
349Nm/t234lb-ft/ton
Calculated
347Nm/t232lb-ft/ton
Calculated
Estimated range
932km579mi
Calculated
932km579mi
Calculated
Displacement
2,993cc183cu in
2,993cc183cu in
Length
4,713mm186in
4,752mm187in
Width
1,897mm75in
1,938mm76in
Height
1,676mm66in
1,621mm64in
Wheelbase
2,864mm113in
2,864mm113in
Front track
1,615mm64in
1,615mm64in
Rear track
1,594mm63in
1,624mm64in
Ground clearance
204mm8in
204mm8in
Trunk volume
550L
525L
Max trunk volume
1,600L
1,430L
Doors
5
5
Seats
5
5
Fuel tank
68L
68L

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 X3 (G01 LCI) Facelift 2021 M40dBMW X4 (G02 LCI) Facelift 2021 M40dPowerTorque
  • BMW X3 (G01 LCI) Facelift 2021 M40d: Power / Torque
  • BMW X4 (G02 LCI) Facelift 2021 M40d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX3 (G01 LCI)Facelift 2021M40d4,400 rpm1,750-2,250 rpm4,650 rpm
BMWX4 (G02 LCI)Facelift 2021M40d4,400 rpm1,750-2,250 rpm4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWX3 (G01 LCI)Facelift 2021M40dBMWX4 (G02 LCI)Facelift 2021M40d
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
19.0 s
19.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.0 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
13.1 s
Trap speed
1/4 mile
402 m
172 km/h
107 mph
171 km/h
106 mph

Power comparison

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

Chart data table
VehicleValue
BMWX3 (G01 LCI)Facelift 2021M40d
340 hp
254 kW
BMWX4 (G02 LCI)Facelift 2021M40d
340 hp
254 kW

Torque comparison

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

Chart data table
VehicleValue
BMWX3 (G01 LCI)Facelift 2021M40d
700 Nm
516 lb-ft
BMWX4 (G02 LCI)Facelift 2021M40d
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWX3 (G01 LCI)Facelift 2021M40d
2,005 kg
4,420 lb
BMWX4 (G02 LCI)Facelift 2021M40d
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
BMWX3 (G01 LCI)Facelift 2021M40d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX4 (G02 LCI)Facelift 2021M40d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMWX3 (G01 LCI)Facelift 2021M40d4.9 s
BMWX4 (G02 LCI)Facelift 2021M40d4.9 s

Fuel consumption comparison

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

Chart data table
VehicleValue
BMWX3 (G01 LCI)Facelift 2021M40d
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMWX4 (G02 LCI)Facelift 2021M40d
7.3 L/100 km
32.2 mpg US
38.7 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
BMWX3 (G01 LCI)Facelift 2021M40d
170 hp/t
126 kW/t
5.9 kg/hp
BMWX4 (G02 LCI)Facelift 2021M40d
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
BMWX3 (G01 LCI)Facelift 2021M40d
932 km
579 mi
BMWX4 (G02 LCI)Facelift 2021M40d
932 km
579 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWX3 (G01 LCI)Facelift 2021M40d
340 hp
254 kW
4.9 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX4 (G02 LCI)Facelift 2021M40d
340 hp
254 kW
4.9 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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
BMWX3 (G01 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
550 L
19.4 cu ft
Length
4,713 mm
185.6 in
Height
1,676 mm
66.0 in
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

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
BMWX3 (G01 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 (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

BMW X3 (G01 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
BMWX3 (G01 LCI)Facelift 2021M40d
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
4.9 s
BMWX4 (G02 LCI)Facelift 2021M40d
7.3 L/100 km
32.2 mpg US
38.7 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
BMWX3 (G01 LCI)Facelift 2021M40d
170 hp/t
126 kW/t
5.9 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleBMWX3 (G01 LCI)Facelift 2021M40dBMWX4 (G02 LCI)Facelift 2021M40d
Power
340 hp
254 kW
340 hp
254 kW
Torque
700 Nm
516 lb-ft
700 Nm
516 lb-ft
Acceleration
4.9 s
4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,005 kg
4,420 lb
2,020 kg
4,453 lb
Fuel consumption
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,713 mm
185.6 in
Height
1,676 mm
66.0 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
932 km
579 mi
932 km
579 mi
Trunk score
550 L
19.4 cu ft
525 L
18.5 cu ft
Power-to-weight score
170 hp/t
126 kW/t
5.9 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 X3 (G01 LCI) Facelift 2021 M40dBMW X4 (G02 LCI) Facelift 2021 M40d
Consumption7.3 L/100 km32.2 mpg US38.7 mpg UK7.3 L/100 km32.2 mpg US38.7 mpg UK
Cost / 100 km12.78 LC100 km12.78 LC100 km
Cost / 100 mi20.56 LC100 mi20.56 LC100 mi
Annual fuel used1,095 L289 US gal241 UK gal1,095 L289 US gal241 UK gal
Annual fuel cost1,916 LC/year1,916 LC/year

Head-to-head comparisons

BMW X3 (G01 LCI) Facelift 2021 M40d

  • Is 15 kg lighter
  • Has 1 hp/t better power-to-weight
  • Has 25 L more trunk volume

Pros

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW X3 (G01 LCI) M40d
BMW X4 (G02 LCI) M40d
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2 vehicles selected

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BMW X3 (G01 LCI) · Facelift 2021 M40d vs BMW X4 (G02 LCI) · Facelift 2021 M40d - car comparison - FastVsFaster