Car comparison

BMW 3 Series Touring (G21) 320dvsBMW X4 (G02) 20i

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

New comparison

BMW 3 Series Touring (G21)

320d

190 hp1995 ccDieselAWDAutomaticTurbochargedWagon / estate2019-2020
VS

BMW X4 (G02)

20i

184 hp1998 ccGasolineAWDAutomaticTurbocharged2018-2021

Comparison overview

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

Best choices

BMW 3 Series Touring (G21) 320d

  • Quickest 0-100 km/h
    7.4 s
  • Fastest top speed
    235 km/h
    146 mph Unrestricted
    225 km/h
    140 mph Restricted
  • Most powerful
    190 hp
    142 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lightest
    1,640 kg
    3,616 lb
  • Best power-to-weight
    116 hp/t
    86 kW/t
    8.6 kg/hp
  • Lowest combined fuel consumption
    4.9 L/100 km
    48.0 mpg US
    57.6 mpg UK
  • Lowest city consumption
    5.4 L/100 km
    43.6 mpg US
    52.3 mpg UK
  • Lowest highway consumption
    4.7 L/100 km
    50.0 mpg US
    60.1 mpg UK
  • Lowest CO2 emissions
    129 g/km
  • Best overall score
    63/100
  • Best performance score
    53/100
  • Best economy score
    94/100
  • Best practicality score
    84/100

Specification comparison

Specification comparison
ModelBMW3 Series Touring (G21)320dBMWX4 (G02)20i
Power
190hp142kW
184hp137kW
Torque
400Nm295lb-ft
290Nm214lb-ft
Curb weight
1,640kg3,616lb
1,720kg3,792lb
Gross weight
2,255kg4,971lb
2,400kg5,291lb
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
Calculated
215 km/h
134 mph
To 99% top speed
72.1s99% target: 233 km/h / 145 mph
Calculated
101.8s99% target: 213 km/h / 132 mph
Calculated
0-100 km/h
7.4s
8.3s
0-200 km/h
27.9s
Calculated
51.2s
Calculated
0-60 mph
7.0s
Calculated
7.8s
Calculated
Fuel consumption
4.9L/100 km48mpg US57.6mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
Fuel consumption city
5.4L/100 km43.6mpg US52.3mpg UK
8.8L/100 km26.7mpg US32.1mpg UK
Fuel consumption highway
4.7L/100 km50mpg US60.1mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Quarter mile
15.3s
Calculated
16.0s
Calculated
Power-to-weight
116hp/t86kW/t53hp/1000 lb
Calculated
107hp/t80kW/t49hp/1000 lb
Calculated
Torque-to-weight
244Nm/t163lb-ft/ton
Calculated
169Nm/t113lb-ft/ton
Calculated
Estimated range
816km507mi
Calculated
890km553mi
Calculated
Displacement
1,995cc122cu in
1,998cc122cu in
Length
4,709mm185in
4,752mm187in
Width
1,827mm72in
1,918mm76in
Height
1,445mm57in
1,621mm64in
Wheelbase
2,851mm112in
2,864mm113in
Front track
1,573mm62in
1,620mm64in
Rear track
1,567mm62in
1,666mm66in
Ground clearance
135mm5in
204mm8in
Trunk volume
500L
525L
Max trunk volume
1,510L
1,430L
Doors
5
5
Seats
5
5
Fuel tank
40L
65L
CO2 emissions
129g/km
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 Touring (G21) 320dBMW X4 (G02) 20iPowerTorque
  • BMW 3 Series Touring (G21) 320d: Power / Torque
  • BMW X4 (G02) 20i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW3 Series Touring (G21)320d4,000 rpm1,750-2,500 rpm4,250 rpm
BMWX4 (G02)20i5,000-6,500 rpm1,350-4,250 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW3 Series Touring (G21)320dBMWX4 (G02)20i
Acceleration checkpoints
0-60 mph
0-97 km/h
7.0 s
7.8 s
0-100 km/h
0-62 mph
7.4 s
8.3 s
0-200 km/h
0-124 mph
27.9 s
51.2 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
Likely limited
215 km/h
134 mph
Drag race simulation
60 ft
18 m
2.7 s
2.5 s
330 ft
101 m
6.8 s
6.8 s
1/8 mile
201 m
10.1 s
10.3 s
1000 ft
305 m
12.9 s
13.4 s
1/4 mile
402 m
15.3 s
16.0 s
Trap speed
1/4 mile
402 m
156 km/h
97 mph
140 km/h
87 mph

Power comparison

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

Chart data table
VehicleValue
BMW3 Series Touring (G21)320d
190 hp
142 kW
BMWX4 (G02)20i
184 hp
137 kW

BMW 3 Series Touring (G21) 320d has 6 hp more than BMW X4 (G02) 20i.

The biggest power difference is between BMW X4 (G02) 20i and BMW 3 Series Touring (G21) 320d: 6 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW3 Series Touring (G21)320d
400 Nm
295 lb-ft
BMWX4 (G02)20i
290 Nm
214 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW3 Series Touring (G21)320d
1,640 kg
3,616 lb
BMWX4 (G02)20i
1,720 kg
3,792 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 Touring (G21)320d
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
BMWX4 (G02)20i
215 km/h
134 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW3 Series Touring (G21)320d7.4 s
BMWX4 (G02)20i8.3 s

The biggest 0-100 km/h difference is between BMW 3 Series Touring (G21) 320d and BMW X4 (G02) 20i: 0.9 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW3 Series Touring (G21)320d
4.9 L/100 km
48.0 mpg US
57.6 mpg UK
BMWX4 (G02)20i
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) 320d and BMW X4 (G02) 20i: 2.4 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 Touring (G21)320d
116 hp/t
86 kW/t
8.6 kg/hp
BMWX4 (G02)20i
107 hp/t
80 kW/t
9.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW3 Series Touring (G21)320d
816 km
507 mi
BMWX4 (G02)20i
890 km
553 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW3 Series Touring (G21)320d
190 hp
142 kW
7.4 s
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
BMWX4 (G02)20i
184 hp
137 kW
8.3 s
215 km/h
134 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 Touring (G21)320d
Power
190 hp
142 kW
0-100 km/h7.4 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,709 mm
185.4 in
Height
1,445 mm
56.9 in
BMWX4 (G02)20i
Power
184 hp
137 kW
0-100 km/h8.3 s
Top speed
215 km/h
134 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
BMW3 Series Touring (G21)320d
Power
190 hp
142 kW
0-100 km/h7.4 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
4.9 L/100 km
48.0 mpg US
57.6 mpg UK
BMWX4 (G02)20i
Power
184 hp
137 kW
0-100 km/h8.3 s
Top speed
215 km/h
134 mph
7.3 L/100 km
32.2 mpg US
38.7 mpg UK

BMW 3 Series Touring (G21) 320d 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 Touring (G21)320d
4.9 L/100 km
48.0 mpg US
57.6 mpg UK
7.4 s
BMWX4 (G02)20i
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
8.3 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 Touring (G21)320d
116 hp/t
86 kW/t
8.6 kg/hp
4.9 L/100 km
48.0 mpg US
57.6 mpg UK
BMWX4 (G02)20i
107 hp/t
80 kW/t
9.3 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW3 Series Touring (G21)320dBMWX4 (G02)20i
Power
190 hp
142 kW
184 hp
137 kW
Torque
400 Nm
295 lb-ft
290 Nm
214 lb-ft
Acceleration
7.4 s
8.3 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
215 km/h
134 mph
Lightness
1,640 kg
3,616 lb
1,720 kg
3,792 lb
Fuel consumption
4.9 L/100 km
48.0 mpg US
57.6 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
4,709 mm
185.4 in
Height
1,445 mm
56.9 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
816 km
507 mi
890 km
553 mi
CO2 score
129 g/km
168 g/km
Trunk score
500 L
17.7 cu ft
525 L
18.5 cu ft
Power-to-weight score
116 hp/t
86 kW/t
8.6 kg/hp
107 hp/t
80 kW/t
9.3 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 Touring (G21) 320dBMW X4 (G02) 20i
Consumption4.9 L/100 km48 mpg US57.6 mpg UK7.3 L/100 km32.2 mpg US38.7 mpg UK
Cost / 100 km8.58 LC100 km12.78 LC100 km
Cost / 100 mi13.80 LC100 mi20.56 LC100 mi
Annual fuel used735 L194 US gal162 UK gal1,095 L289 US gal241 UK gal
Annual fuel cost1,286 LC/year1,916 LC/year

Head-to-head comparisons

BMW 3 Series Touring (G21) 320d

  • Has 6 hp more
  • Has 110 Nm more
  • Is 80 kg lighter
  • Is 0.9 s quicker from 0-100 km/h
  • Has 20 km/h (12 mph) higher top speed
  • Uses 2.4 L/100 km less fuel
  • Has 9 hp/t better power-to-weight
  • Emits 39 g/km less CO2

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

Cons

  • Smallest trunk

BMW X4 (G02) 20i

  • Has 74 km (46 mi) more estimated range
  • Has 25 L more trunk volume

Pros

  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 3 Series Touring (G21) 320d
BMW X4 (G02) 20i
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