Car comparison

BMW 3 Series Sedan (G20) M340ivsBMW 3 Series Touring (G21) M340d

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

New comparison

BMW 3 Series Sedan (G20)

M340i

374 hp2998 ccGasolineAWDAutomaticTurbochargedSedan2019-2022
VS

BMW 3 Series Touring (G21)

M340d

340 hp2993 ccDieselAWDAutomaticTurbochargedWagon / estate2020-2022

Comparison overview

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

Best choices

BMW 3 Series Touring (G21) M340d

  • Highest torque
    700 Nm
    516 lb-ft
  • Lowest combined fuel consumption
    5.8 L/100 km
    40.6 mpg US
    48.7 mpg UK
  • Lowest city consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Lowest highway consumption
    4.7 L/100 km
    50.0 mpg US
    60.1 mpg UK
  • Best estimated range
    1,017 km
    632 mi
  • Largest trunk
    500 L
  • Best overall score
    78/100
  • Best economy score
    91/100
  • Best practicality score
    84/100

BMW 3 Series Sedan (G20) M340i

  • Quickest 0-100 km/h
    4.4 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    374 hp
    279 kW
  • Lightest
    1,670 kg
    3,682 lb
  • Best power-to-weight
    224 hp/t
    167 kW/t
    4.5 kg/hp
  • Best performance score
    75/100

Specification comparison

Specification comparison
ModelBMW3 Series Sedan (G20)M340iBMW3 Series Touring (G21)M340d
Power
374hp279kW
340hp254kW
Torque
500Nm369lb-ft
700Nm516lb-ft
Curb weight
1,670kg3,682lb
1,880kg4,145lb
Gross weight
2,245kg4,949lb
2,415kg5,324lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
40.8s99% target: 262 km/h / 163 mph
Calculated
49.5s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.4s
4.8s
0-200 km/h
12.8s
Calculated
15.1s
Calculated
0-60 mph
4.2s
Calculated
4.6s
Calculated
Fuel consumption
7.4L/100 km31.8mpg US38.2mpg UK
5.8L/100 km40.6mpg US48.7mpg UK
Fuel consumption city
9.6L/100 km24.5mpg US29.4mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Fuel consumption highway
6.1L/100 km38.6mpg US46.3mpg UK
4.7L/100 km50mpg US60.1mpg UK
Quarter mile
12.2s
Calculated
12.8s
Calculated
Power-to-weight
224hp/t167kW/t102hp/1000 lb
Calculated
181hp/t135kW/t82hp/1000 lb
Calculated
Torque-to-weight
299Nm/t200lb-ft/ton
Calculated
372Nm/t249lb-ft/ton
Calculated
Estimated range
797km495mi
Calculated
1,017km632mi
Calculated
Displacement
2,998cc183cu in
2,993cc183cu in
Length
4,713mm186in
4,713mm186in
Width
1,827mm72in
1,827mm72in
Height
1,440mm57in
1,440mm57in
Wheelbase
2,851mm112in
2,851mm112in
Front track
1,583mm62in
1,583mm62in
Rear track
1,567mm62in
1,567mm62in
Ground clearance
130mm5in
130mm5in
Trunk volume
480L
500L
Max trunk volume-
1,510L
Doors
4
5
Seats
5
5
Fuel tank
59L
59L
CO2 emissions
168g/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 3 Series Sedan (G20) M340iBMW 3 Series Touring (G21) M340dPowerTorque
  • BMW 3 Series Sedan (G20) M340i: Power / Torque
  • BMW 3 Series Touring (G21) M340d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW3 Series Sedan (G20)M340i5,500-6,500 rpm1,850-5,000 rpm6,750 rpm
BMW3 Series Touring (G21)M340d4,400 rpm1,750-2,250 rpm4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW3 Series Sedan (G20)M340iBMW3 Series Touring (G21)M340d
Acceleration checkpoints
0-60 mph
0-97 km/h
4.2 s
4.6 s
0-100 km/h
0-62 mph
4.4 s
4.8 s
0-200 km/h
0-124 mph
12.8 s
15.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
330 ft
101 m
5.6 s
5.7 s
1/8 mile
201 m
8.2 s
8.5 s
1000 ft
305 m
10.4 s
10.8 s
1/4 mile
402 m
12.2 s
12.8 s
Trap speed
1/4 mile
402 m
196 km/h
122 mph
185 km/h
115 mph

Power comparison

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

Chart data table
VehicleValue
BMW3 Series Sedan (G20)M340i
374 hp
279 kW
BMW3 Series Touring (G21)M340d
340 hp
254 kW

BMW 3 Series Sedan (G20) M340i has 34 hp more than BMW 3 Series Touring (G21) M340d.

The biggest power difference is between BMW 3 Series Touring (G21) M340d and BMW 3 Series Sedan (G20) M340i: 34 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW3 Series Sedan (G20)M340i
500 Nm
369 lb-ft
BMW3 Series Touring (G21)M340d
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW3 Series Sedan (G20)M340i
1,670 kg
3,682 lb
BMW3 Series Touring (G21)M340d
1,880 kg
4,145 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW3 Series Sedan (G20)M340i
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW3 Series Touring (G21)M340d
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
BMW3 Series Sedan (G20)M340i4.4 s
BMW3 Series Touring (G21)M340d4.8 s

The biggest 0-100 km/h difference is between BMW 3 Series Sedan (G20) M340i and BMW 3 Series Touring (G21) M340d: 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
BMW3 Series Sedan (G20)M340i
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMW3 Series Touring (G21)M340d
5.8 L/100 km
40.6 mpg US
48.7 mpg UK

The biggest fuel consumption difference is between BMW 3 Series Touring (G21) M340d and BMW 3 Series Sedan (G20) M340i: 1.6 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
BMW3 Series Sedan (G20)M340i
224 hp/t
167 kW/t
4.5 kg/hp
BMW3 Series Touring (G21)M340d
181 hp/t
135 kW/t
5.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW3 Series Sedan (G20)M340i
797 km
495 mi
BMW3 Series Touring (G21)M340d
1,017 km
632 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW3 Series Sedan (G20)M340i
374 hp
279 kW
4.4 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW3 Series Touring (G21)M340d
340 hp
254 kW
4.8 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
BMW3 Series Sedan (G20)M340i
Power
374 hp
279 kW
0-100 km/h4.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,713 mm
185.6 in
Height
1,440 mm
56.7 in
BMW3 Series Touring (G21)M340d
Power
340 hp
254 kW
0-100 km/h4.8 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

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
BMW3 Series Sedan (G20)M340i
Power
374 hp
279 kW
0-100 km/h4.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMW3 Series Touring (G21)M340d
Power
340 hp
254 kW
0-100 km/h4.8 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

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
VehicleFuel consumption, L/100 km0-100 km/h, s
BMW3 Series Sedan (G20)M340i
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
4.4 s
BMW3 Series Touring (G21)M340d
5.8 L/100 km
40.6 mpg US
48.7 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
BMW3 Series Sedan (G20)M340i
224 hp/t
167 kW/t
4.5 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleBMW3 Series Sedan (G20)M340iBMW3 Series Touring (G21)M340d
Power
374 hp
279 kW
340 hp
254 kW
Torque
500 Nm
369 lb-ft
700 Nm
516 lb-ft
Acceleration
4.4 s
4.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,670 kg
3,682 lb
1,880 kg
4,145 lb
Fuel consumption
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,713 mm
185.6 in
Height
1,440 mm
56.7 in
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
Range score
797 km
495 mi
1,017 km
632 mi
CO2 score
168 g/km
-
Trunk score
480 L
17.0 cu ft
500 L
17.7 cu ft
Power-to-weight score
224 hp/t
167 kW/t
4.5 kg/hp
181 hp/t
135 kW/t
5.5 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 3 Series Sedan (G20) M340iBMW 3 Series Touring (G21) M340d
Consumption7.4 L/100 km31.8 mpg US38.2 mpg UK5.8 L/100 km40.6 mpg US48.7 mpg UK
Cost / 100 km12.95 LC100 km10.15 LC100 km
Cost / 100 mi20.84 LC100 mi16.33 LC100 mi
Annual fuel used1,110 L293 US gal244 UK gal870 L230 US gal191 UK gal
Annual fuel cost1,943 LC/year1,523 LC/year

Head-to-head comparisons

BMW 3 Series Sedan (G20) M340i

  • Has 34 hp more
  • Is 210 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Has 43 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk

BMW 3 Series Touring (G21) M340d

  • Has 200 Nm more
  • Uses 1.6 L/100 km less fuel
  • Has 220 km (137 mi) more estimated range
  • Has 20 L more trunk volume

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Lowest top speed

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Model
Generation
Engine or modification
BMW 3 Series Sedan (G20) M340i
BMW 3 Series Touring (G21) M340d
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