Car comparison

BMW 3 Series Gran Turismo (F34) 320ivsBMW 3 Series Sedan (G20) 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 ccGasolineAWDManualTurbocharged2014-2016
VS

BMW 3 Series Sedan (G20)

318i

156 hp1998 ccGasolineRWDAutomaticTurbochargedSedan2020-2022

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
    8.0 s
  • Fastest top speed
    227 km/h
    141 mph
  • Most powerful
    184 hp
    137 kW
  • Highest torque
    270 Nm
    199 lb-ft
  • Best power-to-weight
    113 hp/t
    84 kW/t
    8.8 kg/hp
  • Largest trunk
    520 L
  • Best overall score
    56/100
  • Best performance score
    47/100
  • Best practicality score
    75/100

BMW 3 Series Sedan (G20) 318i

  • Lightest
    1,490 kg
    3,285 lb
  • Lowest combined fuel consumption
    5.7 L/100 km
    41.3 mpg US
    49.6 mpg UK
  • Lowest city consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Lowest highway consumption
    4.9 L/100 km
    48.0 mpg US
    57.6 mpg UK
  • Best estimated range
    1,035 km
    643 mi
  • Best economy score
    91/100

Specification comparison

Specification comparison
ModelBMW3 Series Gran Turismo (F34)320iBMW3 Series Sedan (G20)318i
Power
184hp137kW
156hp116kW
Torque
270Nm199lb-ft
250Nm184lb-ft
Curb weight
1,625kg3,583lb
1,490kg3,285lb
Gross weight
2,195kg4,839lb
2,050kg4,519lb
Top speed
227 km/h
141 mph
223 km/h
139 mph
To 99% top speed
97.8s99% target: 225 km/h / 140 mph
Calculated
69.8s99% target: 221 km/h / 137 mph
Calculated
0-100 km/h
8.0s
8.4s
0-200 km/h
38.5s
Calculated
33.6s
Calculated
0-60 mph
7.6s
Calculated
8.0s
Calculated
Fuel consumption
7L/100 km33.6mpg US40.4mpg UK
5.7L/100 km41.3mpg US49.6mpg UK
Fuel consumption city
9.2L/100 km25.6mpg US30.7mpg UK
7L/100 km33.6mpg US40.4mpg UK
Fuel consumption highway
5.8L/100 km40.6mpg US48.7mpg UK
4.9L/100 km48mpg US57.6mpg UK
Quarter mile
15.8s
Calculated
16.1s
Calculated
Power-to-weight
113hp/t84kW/t51hp/1000 lb
Calculated
105hp/t78kW/t47hp/1000 lb
Calculated
Torque-to-weight
166Nm/t111lb-ft/ton
Calculated
168Nm/t112lb-ft/ton
Calculated
Estimated range
857km533mi
Calculated
1,035km643mi
Calculated
Displacement
1,997cc122cu in
1,998cc122cu in
Length
4,824mm190in
4,709mm185in
Width
1,828mm72in
1,827mm72in
Height
1,508mm59in
1,435mm56in
Wheelbase
2,920mm115in
2,851mm112in
Front track
1,541mm61in
1,589mm63in
Rear track
1,586mm62in
1,604mm63in
Ground clearance
165mm6in
136mm5in
Trunk volume
520L
480L
Max trunk volume
1,600L
-
Doors
5
4
Seats
5
5
Fuel tank
60L
59L
CO2 emissions
164g/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 Sedan (G20) 318iPowerTorque
  • BMW 3 Series Gran Turismo (F34) 320i: Power / Torque
  • BMW 3 Series Sedan (G20) 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 Sedan (G20)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 Sedan (G20)318i
Acceleration checkpoints
0-60 mph
0-97 km/h
7.6 s
8.0 s
0-100 km/h
0-62 mph
8.0 s
8.4 s
0-200 km/h
0-124 mph
38.5 s
33.6 s
Top speed
227 km/h
141 mph
223 km/h
139 mph
Drag race simulation
60 ft
18 m
2.5 s
2.9 s
330 ft
101 m
6.8 s
7.3 s
1/8 mile
201 m
10.3 s
10.7 s
1000 ft
305 m
13.3 s
13.7 s
1/4 mile
402 m
15.8 s
16.1 s
Trap speed
1/4 mile
402 m
145 km/h
90 mph
150 km/h
93 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 Sedan (G20)318i
156 hp
116 kW

BMW 3 Series Gran Turismo (F34) 320i has 28 hp more than BMW 3 Series Sedan (G20) 318i.

The biggest power difference is between BMW 3 Series Sedan (G20) 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 Sedan (G20)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
1,625 kg
3,583 lb
BMW3 Series Sedan (G20)318i
1,490 kg
3,285 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
227 km/h
141 mph
BMW3 Series Sedan (G20)318i
223 km/h
139 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)320i8.0 s
BMW3 Series Sedan (G20)318i8.4 s

The biggest 0-100 km/h difference is between BMW 3 Series Gran Turismo (F34) 320i and BMW 3 Series Sedan (G20) 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
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
BMW3 Series Sedan (G20)318i
5.7 L/100 km
41.3 mpg US
49.6 mpg UK

The biggest fuel consumption difference is between BMW 3 Series Sedan (G20) 318i and BMW 3 Series Gran Turismo (F34) 320i: 1.3 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 Gran Turismo (F34)320i
113 hp/t
84 kW/t
8.8 kg/hp
BMW3 Series Sedan (G20)318i
105 hp/t
78 kW/t
9.6 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
857 km
533 mi
BMW3 Series Sedan (G20)318i
1,035 km
643 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
8.0 s
227 km/h
141 mph
BMW3 Series Sedan (G20)318i
156 hp
116 kW
8.4 s
223 km/h
139 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/h8.0 s
Top speed
227 km/h
141 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 Sedan (G20)318i
Power
156 hp
116 kW
0-100 km/h8.4 s
Top speed
223 km/h
139 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

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/h8.0 s
Top speed
227 km/h
141 mph
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
BMW3 Series Sedan (G20)318i
Power
156 hp
116 kW
0-100 km/h8.4 s
Top speed
223 km/h
139 mph
5.7 L/100 km
41.3 mpg US
49.6 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
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
8.0 s
BMW3 Series Sedan (G20)318i
5.7 L/100 km
41.3 mpg US
49.6 mpg UK
8.4 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
113 hp/t
84 kW/t
8.8 kg/hp
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
BMW3 Series Sedan (G20)318i
105 hp/t
78 kW/t
9.6 kg/hp
5.7 L/100 km
41.3 mpg US
49.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW3 Series Gran Turismo (F34)320iBMW3 Series Sedan (G20)318i
Power
184 hp
137 kW
156 hp
116 kW
Torque
270 Nm
199 lb-ft
250 Nm
184 lb-ft
Acceleration
8.0 s
8.4 s
Top speed
227 km/h
141 mph
223 km/h
139 mph
Lightness
1,625 kg
3,583 lb
1,490 kg
3,285 lb
Fuel consumption
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
5.7 L/100 km
41.3 mpg US
49.6 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
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
Range score
857 km
533 mi
1,035 km
643 mi
CO2 score
164 g/km
-
Trunk score
520 L
18.4 cu ft
480 L
17.0 cu ft
Power-to-weight score
113 hp/t
84 kW/t
8.8 kg/hp
105 hp/t
78 kW/t
9.6 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 Sedan (G20) 318i
Consumption7 L/100 km33.6 mpg US40.4 mpg UK5.7 L/100 km41.3 mpg US49.6 mpg UK
Cost / 100 km12.25 LC100 km9.98 LC100 km
Cost / 100 mi19.71 LC100 mi16.05 LC100 mi
Annual fuel used1,050 L277 US gal231 UK gal855 L226 US gal188 UK gal
Annual fuel cost1,838 LC/year1,496 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 9 hp/t better power-to-weight
  • Has 40 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 Sedan (G20) 318i

  • Is 135 kg lighter
  • Uses 1.3 L/100 km less fuel
  • Has 178 km (111 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 Sedan (G20) 318i
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BMW 3 Series Gran Turismo (F34) 320i vs BMW 3 Series Sedan (G20) 318i - car comparison - FastVsFaster