Car comparison

BMW 3 Series Touring (G21) M340dvsBMW X4 (G02 LCI) · Facelift 2021 M40d

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

New comparison

BMW 3 Series Touring (G21)

M340d

340 hp2993 ccDieselAWDAutomaticTurbochargedWagon / estate2020-2022

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.

BMW 3 Series Touring (G21) M340d

Quickest 0-100 km/h
4.8 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
1,880 kg
4,145 lb
Best power-to-weight
181 hp/t
135 kW/t
5.5 kg/hp
Lowest combined fuel consumption
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
Best estimated range
1,017 km
632 mi
Best overall score
78/100
Best performance score
75/100
Best economy score
91/100
Best practicality score
84/100

BMW X4 (G02 LCI) Facelift 2021 M40d

Largest trunk
525 L

Specification comparison

Specification comparison
Model	BMW3 Series Touring (G21)M340d	BMWX4 (G02 LCI)Facelift 2021M40d
Power	340hp254kW	340hp254kW
Torque	700Nm516lb-ft	700Nm516lb-ft
Curb weight	1,880kg4,145lb	2,020kg4,453lb
Gross weight	2,415kg5,324lb	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	49.4s99% target: 257 km/h / 160 mph Calculated	80.4s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	4.8s	4.9s
0-200 km/h	15.1s Calculated	19.4s Calculated
0-60 mph	4.6s Calculated	4.6s Calculated
Fuel consumption	5.8L/100 km40.6mpg US48.7mpg UK	7.3L/100 km32.2mpg US38.7mpg UK
Fuel consumption city	7.8L/100 km30.2mpg US36.2mpg UK	-
Fuel consumption highway	4.7L/100 km50mpg US60.1mpg UK	-
Quarter mile	12.8s Calculated	13.1s Calculated
Power-to-weight	181hp/t135kW/t82hp/1000 lb Calculated	168hp/t126kW/t76hp/1000 lb Calculated
Torque-to-weight	372Nm/t249lb-ft/ton Calculated	347Nm/t232lb-ft/ton Calculated
Estimated range	1,017km632mi Calculated	932km579mi Calculated
Displacement	2,993cc183cu in	2,993cc183cu in
Length	4,713mm186in	4,752mm187in
Width	1,827mm72in	1,938mm76in
Height	1,440mm57in	1,621mm64in
Wheelbase	2,851mm112in	2,864mm113in
Front track	1,583mm62in	1,615mm64in
Rear track	1,567mm62in	1,624mm64in
Ground clearance	130mm5in	204mm8in
Trunk volume	500L	525L
Max trunk volume	1,510L	1,430L
Doors	5	5
Seats	5	5
Fuel tank	59L	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 3 Series Touring (G21) M340dBMW X4 (G02 LCI) Facelift 2021 M40dPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW3 Series Touring (G21)M340d	4,400 rpm	1,750-2,250 rpm	4,650 rpm
BMWX4 (G02 LCI)Facelift 2021M40d	4,400 rpm	1,750-2,250 rpm	4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW3 Series Touring (G21)M340d	BMWX4 (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	4.8 s	4.9 s
0-200 km/h 0-124 mph	15.1 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	2.3 s	2.0 s
330 ft 101 m	5.7 s	5.6 s
1/8 mile 201 m	8.5 s	8.5 s
1000 ft 305 m	10.8 s	11.0 s
1/4 mile 402 m	12.8 s	13.1 s
Trap speed 1/4 mile 402 m	185 km/h 115 mph	171 km/h 106 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW3 Series Touring (G21)M340d	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
Vehicle	Value
BMW3 Series Touring (G21)M340d	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
Vehicle	Value
BMW3 Series Touring (G21)M340d	1,880 kg 4,145 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
Vehicle	Value
BMW3 Series Touring (G21)M340d	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
Vehicle	Value
BMW3 Series Touring (G21)M340d	4.8 s
BMWX4 (G02 LCI)Facelift 2021M40d	4.9 s

The biggest 0-100 km/h difference is between BMW 3 Series Touring (G21) M340d and BMW X4 (G02 LCI) Facelift 2021 M40d: 0.1 s.

Fuel consumption comparison

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

Chart data table
Vehicle	Value
BMW3 Series Touring (G21)M340d	5.8 L/100 km 40.6 mpg US 48.7 mpg UK
BMWX4 (G02 LCI)Facelift 2021M40d	7.3 L/100 km 32.2 mpg US 38.7 mpg UK

The biggest fuel consumption difference is between BMW 3 Series Touring (G21) M340d and BMW X4 (G02 LCI) Facelift 2021 M40d: 1.5 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
BMW3 Series Touring (G21)M340d	181 hp/t 135 kW/t 5.5 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
Vehicle	Value
BMW3 Series Touring (G21)M340d	1,017 km 632 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
Vehicle	Power	Acceleration	Top speed
BMW3 Series Touring (G21)M340d	340 hp 254 kW	4.8 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.

Vehicle

Performance score

Practicality score

BMW3 Series Touring (G21)M340d

Power	340 hp 254 kW
0-100 km/h	4.8 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	5 doors 5 seats
Trunk	500 L 17.7 cu ft
Length	4,713 mm 185.6 in
Height	1,440 mm 56.7 in

BMWX4 (G02 LCI)Facelift 2021M40d

Power	340 hp 254 kW
0-100 km/h	4.9 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.

Vehicle

Performance score

Fuel economy score

BMW3 Series Touring (G21)M340d

Power	340 hp 254 kW
0-100 km/h	4.8 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

5.8 L/100 km

40.6 mpg US

48.7 mpg UK

BMWX4 (G02 LCI)Facelift 2021M40d

Power	340 hp 254 kW
0-100 km/h	4.9 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 3 Series Touring (G21) M340d 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BMW3 Series Touring (G21)M340d	5.8 L/100 km 40.6 mpg US 48.7 mpg UK	4.8 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
BMW3 Series Touring (G21)M340d	181 hp/t 135 kW/t 5.5 kg/hp	5.8 L/100 km 40.6 mpg US 48.7 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

Vehicle

BMW3 Series Touring (G21)M340d

BMWX4 (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

4.8 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

1,880 kg

4,145 lb

2,020 kg

4,453 lb

Fuel consumption

5.8 L/100 km

40.6 mpg US

48.7 mpg UK

7.3 L/100 km

32.2 mpg US

38.7 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	500 L 17.7 cu ft
Length	4,713 mm 185.6 in
Height	1,440 mm 56.7 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

1,017 km

632 mi

932 km

579 mi

Trunk score

500 L

17.7 cu ft

525 L

18.5 cu ft

Power-to-weight score

181 hp/t

135 kW/t

5.5 kg/hp

168 hp/t

126 kW/t

5.9 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	BMW 3 Series Touring (G21) M340d	BMW X4 (G02 LCI) Facelift 2021 M40d
Consumption	5.8 L/100 km40.6 mpg US48.7 mpg UK	7.3 L/100 km32.2 mpg US38.7 mpg UK
Cost / 100 km	10.15 LC100 km	12.78 LC100 km
Cost / 100 mi	16.33 LC100 mi	20.56 LC100 mi
Annual fuel used	870 L230 US gal191 UK gal	1,095 L289 US gal241 UK gal
Annual fuel cost	1,523 LC/year	1,916 LC/year