Car comparison

BMW 3 Series Sedan (G20) 318dvsBMW 3 Series Touring (G21) 318i

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

New comparison

BMW 3 Series Sedan (G20)

318d

150 hp1995 ccDieselRWDAutomaticTurbochargedSedan2019-2022

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.

BMW 3 Series Sedan (G20) 318d

Quickest 0-100 km/h
8.3 s
Fastest top speed
224 km/h
139 mph
Highest torque
320 Nm
236 lb-ft
Lightest
1,455 kg
3,208 lb
Best power-to-weight
103 hp/t
77 kW/t
9.7 kg/hp
Lowest combined fuel consumption
4.5 L/100 km
52.3 mpg US
62.8 mpg UK
Lowest city consumption
5.0 L/100 km
47.0 mpg US
56.5 mpg UK
Lowest highway consumption
4.2 L/100 km
56.0 mpg US
67.3 mpg UK
Best overall score
57/100
Best performance score
47/100
Best economy score
95/100

BMW 3 Series Touring (G21) 318i

Most powerful
156 hp
116 kW
Best estimated range
952 km
591 mi
Largest trunk
500 L
Best practicality score
84/100

Specification comparison

Specification comparison
Model	BMW3 Series Sedan (G20)318d	BMW3 Series Touring (G21)318i
Power	150hp112kW	156hp116kW
Torque	320Nm236lb-ft	250Nm184lb-ft
Curb weight	1,455kg3,208lb	1,570kg3,461lb
Gross weight	2,085kg4,597lb	2,135kg4,707lb
Top speed	224 km/h 139 mph	220 km/h 137 mph
To 99% top speed	69.4s99% 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	32.8s Calculated	38.8s Calculated
0-60 mph	7.9s Calculated	8.3s Calculated
Fuel consumption	4.5L/100 km52.3mpg US62.8mpg UK	6.2L/100 km37.9mpg US45.6mpg UK
Fuel consumption city	5L/100 km47mpg US56.5mpg UK	7.3L/100 km32.2mpg US38.7mpg UK
Fuel consumption highway	4.2L/100 km56mpg US67.3mpg UK	5.5L/100 km42.8mpg US51.4mpg UK
Quarter mile	16.0s Calculated	16.3s Calculated
Power-to-weight	103hp/t77kW/t47hp/1000 lb Calculated	99hp/t74kW/t45hp/1000 lb Calculated
Torque-to-weight	220Nm/t147lb-ft/ton Calculated	159Nm/t107lb-ft/ton Calculated
Estimated range	889km552mi Calculated	952km591mi Calculated
Displacement	1,995cc122cu 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	-	1,573mm62in
Rear track	-	1,588mm63in
Ground clearance	-	141mm6in
Trunk volume	-	500L
Max trunk volume	480L	1,510L
Doors	4	5
Seats	5	5
Fuel tank	40L	59L
CO2 emissions	118g/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) 318dBMW 3 Series Touring (G21) 318iPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW3 Series Sedan (G20)318d	3,750-4,000 rpm	1,500-3,000 rpm	4,250 rpm
BMW3 Series Touring (G21)318i	4,500-6,500 rpm	1,300-4,300 rpm	6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW3 Series Sedan (G20)318d	BMW3 Series Touring (G21)318i
	Acceleration checkpoints
0-60 mph 0-97 km/h	7.9 s	8.3 s
0-100 km/h 0-62 mph	8.3 s	8.7 s
0-200 km/h 0-124 mph	32.8 s	38.8 s
Top speed	224 km/h 139 mph	220 km/h 137 mph
	Drag race simulation
60 ft 18 m	2.9 s	2.8 s
330 ft 101 m	7.2 s	7.3 s
1/8 mile 201 m	10.7 s	10.8 s
1000 ft 305 m	13.6 s	13.8 s
1/4 mile 402 m	16.0 s	16.3 s
Trap speed 1/4 mile 402 m	151 km/h 94 mph	145 km/h 90 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW3 Series Sedan (G20)318d	150 hp 112 kW
BMW3 Series Touring (G21)318i	156 hp 116 kW

BMW 3 Series Touring (G21) 318i has 6 hp more than BMW 3 Series Sedan (G20) 318d.

The biggest power difference is between BMW 3 Series Sedan (G20) 318d and BMW 3 Series Touring (G21) 318i: 6 hp (4 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW3 Series Sedan (G20)318d	320 Nm 236 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
Vehicle	Value
BMW3 Series Sedan (G20)318d	1,455 kg 3,208 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
Vehicle	Value
BMW3 Series Sedan (G20)318d	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
Vehicle	Value
BMW3 Series Sedan (G20)318d	8.3 s
BMW3 Series Touring (G21)318i	8.7 s

Although BMW 3 Series Touring (G21) 318i has more power, BMW 3 Series Sedan (G20) 318d is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 3 Series Sedan (G20) 318d 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
Vehicle	Value
BMW3 Series Sedan (G20)318d	4.5 L/100 km 52.3 mpg US 62.8 mpg UK
BMW3 Series Touring (G21)318i	6.2 L/100 km 37.9 mpg US 45.6 mpg UK

The biggest fuel consumption difference is between BMW 3 Series Sedan (G20) 318d and BMW 3 Series Touring (G21) 318i: 1.7 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
BMW3 Series Sedan (G20)318d	103 hp/t 77 kW/t 9.7 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
Vehicle	Value
BMW3 Series Sedan (G20)318d	889 km 552 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
Vehicle	Power	Acceleration	Top speed
BMW3 Series Sedan (G20)318d	150 hp 112 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.

Vehicle

Performance score

Practicality score

BMW3 Series Sedan (G20)318d

Power	150 hp 112 kW
0-100 km/h	8.3 s
Top speed 224 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

BMW3 Series Touring (G21)318i

Power	156 hp 116 kW
0-100 km/h	8.7 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.

Vehicle

Performance score

Fuel economy score

BMW3 Series Sedan (G20)318d

Power	150 hp 112 kW
0-100 km/h	8.3 s
Top speed 224 km/h 139 mph

4.5 L/100 km

52.3 mpg US

62.8 mpg UK

BMW3 Series Touring (G21)318i

Power	156 hp 116 kW
0-100 km/h	8.7 s
Top speed 220 km/h 137 mph

6.2 L/100 km

37.9 mpg US

45.6 mpg UK

BMW 3 Series Sedan (G20) 318d 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BMW3 Series Sedan (G20)318d	4.5 L/100 km 52.3 mpg US 62.8 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
BMW3 Series Sedan (G20)318d	103 hp/t 77 kW/t 9.7 kg/hp	4.5 L/100 km 52.3 mpg US 62.8 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

Vehicle

BMW3 Series Sedan (G20)318d

BMW3 Series Touring (G21)318i

Power

150 hp

112 kW

156 hp

116 kW

Torque

320 Nm

236 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

1,455 kg

3,208 lb

1,570 kg

3,461 lb

Fuel consumption

4.5 L/100 km

52.3 mpg US

62.8 mpg UK

6.2 L/100 km

37.9 mpg US

45.6 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

889 km

552 mi

952 km

591 mi

CO2 score

118 g/km

Trunk score

480 L

17.0 cu ft

500 L

17.7 cu ft

Power-to-weight score

103 hp/t

77 kW/t

9.7 kg/hp

99 hp/t

74 kW/t

10.1 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	BMW 3 Series Sedan (G20) 318d	BMW 3 Series Touring (G21) 318i
Consumption	4.5 L/100 km52.3 mpg US62.8 mpg UK	6.2 L/100 km37.9 mpg US45.6 mpg UK
Cost / 100 km	7.88 LC100 km	10.85 LC100 km
Cost / 100 mi	12.67 LC100 mi	17.46 LC100 mi
Annual fuel used	675 L178 US gal148 UK gal	930 L246 US gal205 UK gal
Annual fuel cost	1,181 LC/year	1,628 LC/year