Car comparison

BMW 3 Series Gran Turismo (F34) 320ivsBMW 3 Series Touring (G21) 318i

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

New comparison

BMW 3 Series Gran Turismo (F34)

320i

184 hp1997 ccGasolineAWDAutomaticTurbocharged2014-2016
VS

BMW 3 Series Touring (G21)

318i

156 hp1998 ccGasolineRWDAutomaticTurbochargedWagon / estate2020-2022

Comparison overview

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

Best choices

BMW 3 Series Gran Turismo (F34) 320i

  • Quickest 0-100 km/h
    8.3 s
  • Fastest top speed
    224 km/h
    139 mph
  • Most powerful
    184 hp
    137 kW
  • Highest torque
    270 Nm
    199 lb-ft
  • Best power-to-weight
    112 hp/t
    84 kW/t
    8.9 kg/hp
  • Lowest highway consumption
    5.4 L/100 km
    43.6 mpg US
    52.3 mpg UK
  • Largest trunk
    520 L
  • Best performance score
    46/100

BMW 3 Series Touring (G21) 318i

  • Lightest
    1,570 kg
    3,461 lb
  • Lowest combined fuel consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest city consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Best estimated range
    952 km
    591 mi
  • Best overall score
    57/100
  • Best economy score
    90/100
  • Best practicality score
    84/100

Specification comparison

Specification comparison
ModelBMW3 Series Gran Turismo (F34)320iBMW3 Series Touring (G21)318i
Power
184hp137kW
156hp116kW
Torque
270Nm199lb-ft
250Nm184lb-ft
Curb weight
1,640kg3,616lb
1,570kg3,461lb
Gross weight
2,210kg4,872lb
2,135kg4,707lb
Top speed
224 km/h
139 mph
220 km/h
137 mph
To 99% top speed
99.6s99% target: 222 km/h / 138 mph
Calculated
78.7s99% target: 218 km/h / 135 mph
Calculated
0-100 km/h
8.3s
8.7s
0-200 km/h
41.5s
Calculated
38.8s
Calculated
0-60 mph
7.8s
Calculated
8.3s
Calculated
Fuel consumption
6.6L/100 km35.6mpg US42.8mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Fuel consumption city
8.7L/100 km27mpg US32.5mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
Fuel consumption highway
5.4L/100 km43.6mpg US52.3mpg UK
5.5L/100 km42.8mpg US51.4mpg UK
Quarter mile
16.0s
Calculated
16.3s
Calculated
Power-to-weight
112hp/t84kW/t51hp/1000 lb
Calculated
99hp/t74kW/t45hp/1000 lb
Calculated
Torque-to-weight
165Nm/t110lb-ft/ton
Calculated
159Nm/t107lb-ft/ton
Calculated
Estimated range
909km565mi
Calculated
952km591mi
Calculated
Displacement
1,997cc122cu in
1,998cc122cu in
Length
4,824mm190in
4,709mm185in
Width
1,828mm72in
1,827mm72in
Height
1,508mm59in
1,440mm57in
Wheelbase
2,920mm115in
2,851mm112in
Front track
1,541mm61in
1,573mm62in
Rear track
1,586mm62in
1,588mm63in
Ground clearance
165mm6in
141mm6in
Trunk volume
520L
500L
Max trunk volume
1,600L
1,510L
Doors
5
5
Seats
5
5
Fuel tank
60L
59L
CO2 emissions
154g/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 Gran Turismo (F34) 320iBMW 3 Series Touring (G21) 318iPowerTorque
  • BMW 3 Series Gran Turismo (F34) 320i: Power / Torque
  • BMW 3 Series Touring (G21) 318i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW3 Series Gran Turismo (F34)320i5,000-6,250 rpm1,250-4,500 rpm6,500 rpm
BMW3 Series Touring (G21)318i4,500-6,500 rpm1,300-4,300 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW3 Series Gran Turismo (F34)320iBMW3 Series Touring (G21)318i
Acceleration checkpoints
0-60 mph
0-97 km/h
7.8 s
8.3 s
0-100 km/h
0-62 mph
8.3 s
8.7 s
0-200 km/h
0-124 mph
41.5 s
38.8 s
Top speed
224 km/h
139 mph
220 km/h
137 mph
Drag race simulation
60 ft
18 m
2.6 s
2.8 s
330 ft
101 m
6.9 s
7.3 s
1/8 mile
201 m
10.4 s
10.8 s
1000 ft
305 m
13.5 s
13.8 s
1/4 mile
402 m
16.0 s
16.3 s
Trap speed
1/4 mile
402 m
143 km/h
89 mph
145 km/h
90 mph

Power comparison

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

Chart data table
VehicleValue
BMW3 Series Gran Turismo (F34)320i
184 hp
137 kW
BMW3 Series Touring (G21)318i
156 hp
116 kW

BMW 3 Series Gran Turismo (F34) 320i has 28 hp more than BMW 3 Series Touring (G21) 318i.

The biggest power difference is between BMW 3 Series Touring (G21) 318i and BMW 3 Series Gran Turismo (F34) 320i: 28 hp (21 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW3 Series Gran Turismo (F34)320i
270 Nm
199 lb-ft
BMW3 Series Touring (G21)318i
250 Nm
184 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW3 Series Gran Turismo (F34)320i
1,640 kg
3,616 lb
BMW3 Series Touring (G21)318i
1,570 kg
3,461 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 Gran Turismo (F34)320i
224 km/h
139 mph
BMW3 Series Touring (G21)318i
220 km/h
137 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW3 Series Gran Turismo (F34)320i8.3 s
BMW3 Series Touring (G21)318i8.7 s

The biggest 0-100 km/h difference is between BMW 3 Series Gran Turismo (F34) 320i and BMW 3 Series Touring (G21) 318i: 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 Gran Turismo (F34)320i
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMW3 Series Touring (G21)318i
6.2 L/100 km
37.9 mpg US
45.6 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 Gran Turismo (F34)320i
112 hp/t
84 kW/t
8.9 kg/hp
BMW3 Series Touring (G21)318i
99 hp/t
74 kW/t
10.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW3 Series Gran Turismo (F34)320i
909 km
565 mi
BMW3 Series Touring (G21)318i
952 km
591 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW3 Series Gran Turismo (F34)320i
184 hp
137 kW
8.3 s
224 km/h
139 mph
BMW3 Series Touring (G21)318i
156 hp
116 kW
8.7 s
220 km/h
137 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 Gran Turismo (F34)320i
Power
184 hp
137 kW
0-100 km/h8.3 s
Top speed
224 km/h
139 mph
Doors/seats
5 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
4,824 mm
189.9 in
Height
1,508 mm
59.4 in
BMW3 Series Touring (G21)318i
Power
156 hp
116 kW
0-100 km/h8.7 s
Top speed
220 km/h
137 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 Gran Turismo (F34)320i
Power
184 hp
137 kW
0-100 km/h8.3 s
Top speed
224 km/h
139 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMW3 Series Touring (G21)318i
Power
156 hp
116 kW
0-100 km/h8.7 s
Top speed
220 km/h
137 mph
6.2 L/100 km
37.9 mpg US
45.6 mpg UK

BMW 3 Series Gran Turismo (F34) 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 Gran Turismo (F34)320i
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
8.3 s
BMW3 Series Touring (G21)318i
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
8.7 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 Gran Turismo (F34)320i
112 hp/t
84 kW/t
8.9 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMW3 Series Touring (G21)318i
99 hp/t
74 kW/t
10.1 kg/hp
6.2 L/100 km
37.9 mpg US
45.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW3 Series Gran Turismo (F34)320iBMW3 Series Touring (G21)318i
Power
184 hp
137 kW
156 hp
116 kW
Torque
270 Nm
199 lb-ft
250 Nm
184 lb-ft
Acceleration
8.3 s
8.7 s
Top speed
224 km/h
139 mph
220 km/h
137 mph
Lightness
1,640 kg
3,616 lb
1,570 kg
3,461 lb
Fuel consumption
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
4,824 mm
189.9 in
Height
1,508 mm
59.4 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
909 km
565 mi
952 km
591 mi
CO2 score
154 g/km
-
Trunk score
520 L
18.4 cu ft
500 L
17.7 cu ft
Power-to-weight score
112 hp/t
84 kW/t
8.9 kg/hp
99 hp/t
74 kW/t
10.1 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 Gran Turismo (F34) 320iBMW 3 Series Touring (G21) 318i
Consumption6.6 L/100 km35.6 mpg US42.8 mpg UK6.2 L/100 km37.9 mpg US45.6 mpg UK
Cost / 100 km11.55 LC100 km10.85 LC100 km
Cost / 100 mi18.59 LC100 mi17.46 LC100 mi
Annual fuel used990 L262 US gal218 UK gal930 L246 US gal205 UK gal
Annual fuel cost1,733 LC/year1,628 LC/year

Head-to-head comparisons

BMW 3 Series Gran Turismo (F34) 320i

  • Has 28 hp more
  • Has 20 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 4 km/h (2 mph) higher top speed
  • Has 13 hp/t better power-to-weight
  • Has 20 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest

BMW 3 Series Touring (G21) 318i

  • Is 70 kg lighter
  • Uses 0.4 L/100 km less fuel
  • Has 43 km (26 mi) more estimated range

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 3 Series Gran Turismo (F34) 320i
BMW 3 Series Touring (G21) 318i
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BMW 3 Series Gran Turismo (F34) 320i vs BMW 3 Series Touring (G21) 318i - car comparison - FastVsFaster