Car comparison

BMW 3 Series Sedan (G20 LCI) · Facelift 2022 320ivsBMW 3 Series Convertible (E46) · Facelift 2003 325Ci

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

New comparison

BMW 3 Series Sedan (G20 LCI) · Facelift 2022

320i

184 hp1998 ccGasolineRWDAutomaticTurbochargedSedan2022-present
VS

BMW 3 Series Convertible (E46) · Facelift 2003

325Ci

192 hp2494 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2003-2006

Comparison overview

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

Best choices

BMW 3 Series Sedan (G20 LCI) Facelift 2022 320i

  • Quickest 0-100 km/h
    7.4 s
  • Fastest top speed
    235 km/h
    146 mph
  • Highest torque
    300 Nm
    221 lb-ft
  • Lightest
    1,515 kg
    3,340 lb
  • Best power-to-weight
    121 hp/t
    91 kW/t
    8.2 kg/hp
  • Lowest combined fuel consumption
    7.2 L/100 km
    32.7 mpg US
    39.2 mpg UK
  • Best estimated range
    819 km
    509 mi
  • Largest trunk
    480 L
  • Best overall score
    58/100
  • Best performance score
    51/100
  • Best economy score
    87/100
  • Best practicality score
    74/100

Specification comparison

Specification comparison
ModelBMW3 Series Sedan (G20 LCI)Facelift 2022320iBMW3 Series Convertible (E46)Facelift 2003325Ci
Power
184hp137kW
192hp143kW
Torque
300Nm221lb-ft
245Nm181lb-ft
Curb weight
1,515kg3,340lb
1,640kg3,616lb
Gross weight
2,070kg4,564lb
1,985kg4,376lb
Top speed
235 km/h
146 mph
234 km/h
145 mph
To 99% top speed
66.2s99% target: 233 km/h / 145 mph
Calculated
109.3s99% target: 232 km/h / 144 mph
Calculated
0-100 km/h
7.4s
8.0s
0-200 km/h
26.5s
Calculated
37.2s
Calculated
0-60 mph
7.1s
Calculated
7.6s
Calculated
Fuel consumption
7.2L/100 km32.7mpg US39.2mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Fuel consumption city-
13.4L/100 km17.6mpg US21.1mpg UK
Fuel consumption highway-
7.3L/100 km32.2mpg US38.7mpg UK
Quarter mile
15.3s
Calculated
15.8s
Calculated
Power-to-weight
121hp/t91kW/t55hp/1000 lb
Calculated
117hp/t87kW/t53hp/1000 lb
Calculated
Torque-to-weight
198Nm/t132lb-ft/ton
Calculated
149Nm/t100lb-ft/ton
Calculated
Estimated range
819km509mi
Calculated
656km408mi
Calculated
Displacement
1,998cc122cu in
2,494cc152cu in
Length
4,713mm186in
4,488mm177in
Width
1,827mm72in
1,757mm69in
Height
1,440mm57in
1,372mm54in
Wheelbase
2,851mm112in
2,725mm107in
Front track
1,573mm62in
1,471mm58in
Rear track
1,568mm62in
1,483mm58in
Ground clearance
141mm6in
-
Trunk volume
480L
260L
Max trunk volume-
300L
Doors
4
2
Seats
5
4
Fuel tank
59L
63L
CO2 emissions-
229g/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 LCI) Facelift 2022 320iBMW 3 Series Convertible (E46) Facelift 2003 325CiPowerTorque
  • BMW 3 Series Sedan (G20 LCI) Facelift 2022 320i: Power / Torque
  • BMW 3 Series Convertible (E46) Facelift 2003 325Ci: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW3 Series Sedan (G20 LCI)Facelift 2022320i5,000-6,400 rpm1,350-4,000 rpm6,650 rpm
BMW3 Series Convertible (E46)Facelift 2003325Ci6,000 rpm3,500 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW3 Series Sedan (G20 LCI)Facelift 2022320iBMW3 Series Convertible (E46)Facelift 2003325Ci
Acceleration checkpoints
0-60 mph
0-97 km/h
7.1 s
7.6 s
0-100 km/h
0-62 mph
7.4 s
8.0 s
0-200 km/h
0-124 mph
26.5 s
37.2 s
Top speed
235 km/h
146 mph
234 km/h
145 mph
Drag race simulation
60 ft
18 m
2.8 s
2.5 s
330 ft
101 m
6.9 s
6.8 s
1/8 mile
201 m
10.2 s
10.3 s
1000 ft
305 m
13.0 s
13.3 s
1/4 mile
402 m
15.3 s
15.8 s
Trap speed
1/4 mile
402 m
158 km/h
98 mph
145 km/h
90 mph

Power comparison

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

BMW 3 Series Convertible (E46) Facelift 2003 325Ci has 8 hp more than BMW 3 Series Sedan (G20 LCI) Facelift 2022 320i.

The biggest power difference is between BMW 3 Series Sedan (G20 LCI) Facelift 2022 320i and BMW 3 Series Convertible (E46) Facelift 2003 325Ci: 8 hp (6 kW).

Torque comparison

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

Curb weight comparison

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

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

0-100 km/h comparison

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

Although BMW 3 Series Convertible (E46) Facelift 2003 325Ci has more power, BMW 3 Series Sedan (G20 LCI) Facelift 2022 320i is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 3 Series Sedan (G20 LCI) Facelift 2022 320i and BMW 3 Series Convertible (E46) Facelift 2003 325Ci: 0.6 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 LCI)Facelift 2022320i
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
BMW3 Series Convertible (E46)Facelift 2003325Ci
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

The biggest fuel consumption difference is between BMW 3 Series Sedan (G20 LCI) Facelift 2022 320i and BMW 3 Series Convertible (E46) Facelift 2003 325Ci: 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 Sedan (G20 LCI)Facelift 2022320i
121 hp/t
91 kW/t
8.2 kg/hp
BMW3 Series Convertible (E46)Facelift 2003325Ci
117 hp/t
87 kW/t
8.5 kg/hp

Estimated range comparison

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

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
184 hp
137 kW
7.4 s
235 km/h
146 mph
BMW3 Series Convertible (E46)Facelift 2003325Ci
192 hp
143 kW
8.0 s
234 km/h
145 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 LCI)Facelift 2022320i
Power
184 hp
137 kW
0-100 km/h7.4 s
Top speed
235 km/h
146 mph
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,713 mm
185.6 in
Height
1,440 mm
56.7 in
BMW3 Series Convertible (E46)Facelift 2003325Ci
Power
192 hp
143 kW
0-100 km/h8.0 s
Top speed
234 km/h
145 mph
Doors/seats
2 doors
4 seats
Trunk
260 L
9.2 cu ft
Length
4,488 mm
176.7 in
Height
1,372 mm
54.0 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 LCI)Facelift 2022320i
Power
184 hp
137 kW
0-100 km/h7.4 s
Top speed
235 km/h
146 mph
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
BMW3 Series Convertible (E46)Facelift 2003325Ci
Power
192 hp
143 kW
0-100 km/h8.0 s
Top speed
234 km/h
145 mph
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

BMW 3 Series Sedan (G20 LCI) Facelift 2022 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 LCI)Facelift 2022320i
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
7.4 s
BMW3 Series Convertible (E46)Facelift 2003325Ci
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
8.0 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 LCI)Facelift 2022320i
121 hp/t
91 kW/t
8.2 kg/hp
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
BMW3 Series Convertible (E46)Facelift 2003325Ci
117 hp/t
87 kW/t
8.5 kg/hp
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW3 Series Sedan (G20 LCI)Facelift 2022320iBMW3 Series Convertible (E46)Facelift 2003325Ci
Power
184 hp
137 kW
192 hp
143 kW
Torque
300 Nm
221 lb-ft
245 Nm
181 lb-ft
Acceleration
7.4 s
8.0 s
Top speed
235 km/h
146 mph
234 km/h
145 mph
Lightness
1,515 kg
3,340 lb
1,640 kg
3,616 lb
Fuel consumption
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,713 mm
185.6 in
Height
1,440 mm
56.7 in
Doors/seats
2 doors
4 seats
Trunk
260 L
9.2 cu ft
Length
4,488 mm
176.7 in
Height
1,372 mm
54.0 in
Range score
819 km
509 mi
656 km
408 mi
CO2 score
-
229 g/km
Trunk score
480 L
17.0 cu ft
260 L
9.2 cu ft
Power-to-weight score
121 hp/t
91 kW/t
8.2 kg/hp
117 hp/t
87 kW/t
8.5 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 LCI) Facelift 2022 320iBMW 3 Series Convertible (E46) Facelift 2003 325Ci
Consumption7.2 L/100 km32.7 mpg US39.2 mpg UK9.6 L/100 km24.5 mpg US29.4 mpg UK
Cost / 100 km12.60 LC100 km16.80 LC100 km
Cost / 100 mi20.28 LC100 mi27.04 LC100 mi
Annual fuel used1,080 L285 US gal238 UK gal1,440 L380 US gal317 UK gal
Annual fuel cost1,890 LC/year2,520 LC/year

Head-to-head comparisons

BMW 3 Series Sedan (G20 LCI) Facelift 2022 320i

  • Has 55 Nm more
  • Is 125 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 1 km/h (1 mph) higher top speed
  • Uses 2.4 L/100 km less fuel
  • Has 4 hp/t better power-to-weight
  • Has 163 km (101 mi) more estimated range
  • Has 220 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 3 Series Sedan (G20 LCI) 320i
BMW 3 Series Convertible (E46) 325Ci
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Popular comparisons

BMW 3 Series Sedan (G20 LCI) · Facelift 2022 320i vs BMW 3 Series Convertible (E46) · Facelift 2003 325Ci - car comparison - FastVsFaster