Car comparison

BMW 3 Series Sedan (G20) 320ivsBMW 3 Series Touring (G21) 320i

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

New comparison

BMW 3 Series Sedan (G20)

320i

170 hp1597 ccGasolineRWDAutomaticTurbochargedSedan2019-2022
VS

BMW 3 Series Touring (G21)

320i

184 hp1998 ccGasolineRWDAutomaticTurbochargedWagon / estate2019-2022

Comparison overview

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

Best choices

BMW 3 Series Touring (G21) 320i

  • Quickest 0-100 km/h
    7.5 s
  • Most powerful
    184 hp
    137 kW
  • Highest torque
    300 Nm
    221 lb-ft
  • Lowest combined fuel consumption
    6.1 L/100 km
    38.6 mpg US
    46.3 mpg UK
  • Lowest city consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Best estimated range
    967 km
    601 mi
  • Largest trunk
    500 L
  • Best overall score
    61/100
  • Best performance score
    50/100
  • Best practicality score
    84/100

BMW 3 Series Sedan (G20) 320i

  • Fastest top speed
    232 km/h
    144 mph
  • Lightest
    1,450 kg
    3,197 lb
  • Best power-to-weight
    117 hp/t
    87 kW/t
    8.5 kg/hp
  • Lowest highway consumption
    5.6 L/100 km
    42.0 mpg US
    50.4 mpg UK
  • Best economy score
    90/100

Specification comparison

Specification comparison
ModelBMW3 Series Sedan (G20)320iBMW3 Series Touring (G21)320i
Power
170hp127kW
184hp137kW
Torque
250Nm184lb-ft
300Nm221lb-ft
Curb weight
1,450kg3,197lb
1,645kg3,627lb
Gross weight
2,050kg4,519lb
2,135kg4,707lb
Top speed
232 km/h
144 mph
230 km/h
143 mph
To 99% top speed
67.1s99% target: 230 km/h / 143 mph
Calculated
71.3s99% target: 228 km/h / 141 mph
Calculated
0-100 km/h
7.7s
7.5s
0-200 km/h
28.1s
Calculated
29.6s
Calculated
0-60 mph
7.3s
Calculated
7.1s
Calculated
Fuel consumption
6.4L/100 km36.8mpg US44.1mpg UK
6.1L/100 km38.6mpg US46.3mpg UK
Fuel consumption city
7.7L/100 km30.5mpg US36.7mpg UK
7L/100 km33.6mpg US40.4mpg UK
Fuel consumption highway
5.6L/100 km42mpg US50.4mpg UK
5.6L/100 km42mpg US50.4mpg UK
Quarter mile
15.5s
Calculated
15.4s
Calculated
Power-to-weight
117hp/t87kW/t53hp/1000 lb
Calculated
112hp/t83kW/t51hp/1000 lb
Calculated
Torque-to-weight
172Nm/t115lb-ft/ton
Calculated
182Nm/t122lb-ft/ton
Calculated
Estimated range
922km573mi
Calculated
967km601mi
Calculated
Displacement
1,597cc97cu in
1,998cc122cu in
Length
4,709mm185in
4,709mm185in
Width
1,827mm72in
1,827mm72in
Height
1,435mm56in
1,440mm57in
Wheelbase
2,851mm112in
2,851mm112in
Front track
1,589mm63in
1,579mm62in
Rear track
1,604mm63in
1,569mm62in
Trunk volume
480L
500L
Max trunk volume-
1,510L
Doors
4
5
Seats
5
5
Fuel tank
59L
59L
CO2 emissions-
138g/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) 320iBMW 3 Series Touring (G21) 320iPowerTorque
  • BMW 3 Series Sedan (G20) 320i: Power / Torque
  • BMW 3 Series Touring (G21) 320i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW3 Series Sedan (G20)320i5,000-6,000 rpm2,000-4,700 rpm6,250 rpm
BMW3 Series Touring (G21)320i5,000-6,500 rpm1,350-4,000 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW3 Series Sedan (G20)320iBMW3 Series Touring (G21)320i
Acceleration checkpoints
0-60 mph
0-97 km/h
7.3 s
7.1 s
0-100 km/h
0-62 mph
7.7 s
7.5 s
0-200 km/h
0-124 mph
28.1 s
29.6 s
Top speed
232 km/h
144 mph
230 km/h
143 mph
Drag race simulation
60 ft
18 m
2.8 s
2.7 s
330 ft
101 m
7.0 s
6.9 s
1/8 mile
201 m
10.4 s
10.2 s
1000 ft
305 m
13.2 s
13.0 s
1/4 mile
402 m
15.5 s
15.4 s
Trap speed
1/4 mile
402 m
156 km/h
97 mph
154 km/h
96 mph

Power comparison

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

Chart data table
VehicleValue
BMW3 Series Sedan (G20)320i
170 hp
127 kW
BMW3 Series Touring (G21)320i
184 hp
137 kW

BMW 3 Series Touring (G21) 320i has 14 hp more than BMW 3 Series Sedan (G20) 320i.

The biggest power difference is between BMW 3 Series Sedan (G20) 320i and BMW 3 Series Touring (G21) 320i: 14 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW3 Series Sedan (G20)320i
250 Nm
184 lb-ft
BMW3 Series Touring (G21)320i
300 Nm
221 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW3 Series Sedan (G20)320i
1,450 kg
3,197 lb
BMW3 Series Touring (G21)320i
1,645 kg
3,627 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)320i
232 km/h
144 mph
BMW3 Series Touring (G21)320i
230 km/h
143 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)320i7.7 s
BMW3 Series Touring (G21)320i7.5 s

The biggest 0-100 km/h difference is between BMW 3 Series Touring (G21) 320i and BMW 3 Series Sedan (G20) 320i: 0.2 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)320i
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
BMW3 Series Touring (G21)320i
6.1 L/100 km
38.6 mpg US
46.3 mpg UK

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)320i
117 hp/t
87 kW/t
8.5 kg/hp
BMW3 Series Touring (G21)320i
112 hp/t
83 kW/t
8.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW3 Series Sedan (G20)320i
922 km
573 mi
BMW3 Series Touring (G21)320i
967 km
601 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW3 Series Sedan (G20)320i
170 hp
127 kW
7.7 s
232 km/h
144 mph
BMW3 Series Touring (G21)320i
184 hp
137 kW
7.5 s
230 km/h
143 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)320i
Power
170 hp
127 kW
0-100 km/h7.7 s
Top speed
232 km/h
144 mph
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,709 mm
185.4 in
Height
1,435 mm
56.5 in
BMW3 Series Touring (G21)320i
Power
184 hp
137 kW
0-100 km/h7.5 s
Top speed
230 km/h
143 mph
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,709 mm
185.4 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)320i
Power
170 hp
127 kW
0-100 km/h7.7 s
Top speed
232 km/h
144 mph
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
BMW3 Series Touring (G21)320i
Power
184 hp
137 kW
0-100 km/h7.5 s
Top speed
230 km/h
143 mph
6.1 L/100 km
38.6 mpg US
46.3 mpg UK

BMW 3 Series Touring (G21) 320i 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)320i
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
7.7 s
BMW3 Series Touring (G21)320i
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
7.5 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)320i
117 hp/t
87 kW/t
8.5 kg/hp
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
BMW3 Series Touring (G21)320i
112 hp/t
83 kW/t
8.9 kg/hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW3 Series Sedan (G20)320iBMW3 Series Touring (G21)320i
Power
170 hp
127 kW
184 hp
137 kW
Torque
250 Nm
184 lb-ft
300 Nm
221 lb-ft
Acceleration
7.7 s
7.5 s
Top speed
232 km/h
144 mph
230 km/h
143 mph
Lightness
1,450 kg
3,197 lb
1,645 kg
3,627 lb
Fuel consumption
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,709 mm
185.4 in
Height
1,435 mm
56.5 in
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,709 mm
185.4 in
Height
1,440 mm
56.7 in
Range score
922 km
573 mi
967 km
601 mi
CO2 score
-
138 g/km
Trunk score
480 L
17.0 cu ft
500 L
17.7 cu ft
Power-to-weight score
117 hp/t
87 kW/t
8.5 kg/hp
112 hp/t
83 kW/t
8.9 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 3 Series Sedan (G20) 320iBMW 3 Series Touring (G21) 320i
Consumption6.4 L/100 km36.8 mpg US44.1 mpg UK6.1 L/100 km38.6 mpg US46.3 mpg UK
Cost / 100 km11.20 LC100 km10.67 LC100 km
Cost / 100 mi18.02 LC100 mi17.18 LC100 mi
Annual fuel used960 L254 US gal211 UK gal915 L242 US gal201 UK gal
Annual fuel cost1,680 LC/year1,601 LC/year

Head-to-head comparisons

BMW 3 Series Sedan (G20) 320i

  • Is 195 kg lighter
  • Has 2 km/h (1 mph) higher top speed
  • Has 5 hp/t better power-to-weight

Pros

  • Highest top speed
  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Smallest trunk

BMW 3 Series Touring (G21) 320i

  • Has 14 hp more
  • Has 50 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 0.3 L/100 km less fuel
  • Has 45 km (28 mi) more estimated range
  • Has 20 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 3 Series Sedan (G20) 320i
BMW 3 Series Touring (G21) 320i
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2 vehicles selected

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