Car comparison

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

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

New comparison

BMW 3 Series Convertible (E46) · Facelift 2003

325Ci

192 hp2494 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2003-2006
VS

BMW 3 Series Sedan (G20 LCI) · Facelift 2022

320i

170 hp1597 ccGasolineRWDAutomaticTurbochargedSedan2022-present

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

  • Highest torque
    250 Nm
    184 lb-ft
  • Lightest
    1,515 kg
    3,340 lb
  • Lowest combined fuel consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest CO2 emissions
    184 g/km
  • Best estimated range
    720 km
    447 mi
  • Largest trunk
    480 L
  • Best overall score
    56/100
  • Best economy score
    85/100
  • Best practicality score
    74/100

Specification comparison

Specification comparison
ModelBMW3 Series Convertible (E46)Facelift 2003325CiBMW3 Series Sedan (G20 LCI)Facelift 2022320i
Power
192hp143kW
170hp127kW
Torque
245Nm181lb-ft
250Nm184lb-ft
Curb weight
1,640kg3,616lb
1,515kg3,340lb
Gross weight
1,985kg4,376lb
2,070kg4,564lb
Top speed
234 km/h
145 mph
228 km/h
142 mph
To 99% top speed
109.3s99% target: 232 km/h / 144 mph
Calculated
70.7s99% target: 226 km/h / 140 mph
Calculated
0-100 km/h
8.0s
8.1s
0-200 km/h
37.2s
Calculated
31.1s
Calculated
0-60 mph
7.6s
Calculated
7.7s
Calculated
Fuel consumption
9.6L/100 km24.5mpg US29.4mpg UK
8.2L/100 km28.7mpg US34.4mpg 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
15.8s
Calculated
15.9s
Calculated
Power-to-weight
117hp/t87kW/t53hp/1000 lb
Calculated
112hp/t84kW/t51hp/1000 lb
Calculated
Torque-to-weight
149Nm/t100lb-ft/ton
Calculated
165Nm/t110lb-ft/ton
Calculated
Estimated range
656km408mi
Calculated
720km447mi
Calculated
Displacement
2,494cc152cu in
1,597cc97cu in
Length
4,488mm177in
4,713mm186in
Width
1,757mm69in
1,827mm72in
Height
1,372mm54in
1,440mm57in
Wheelbase
2,725mm107in
2,851mm112in
Front track
1,471mm58in
1,573mm62in
Rear track
1,483mm58in
1,588mm63in
Trunk volume
260L
480L
Max trunk volume
300L
1,290L
Doors
2
4
Seats
4
5
Fuel tank
63L
59L
CO2 emissions
229g/km
184g/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 Convertible (E46) Facelift 2003 325CiBMW 3 Series Sedan (G20 LCI) Facelift 2022 320iPowerTorque
  • BMW 3 Series Convertible (E46) Facelift 2003 325Ci: Power / Torque
  • BMW 3 Series Sedan (G20 LCI) Facelift 2022 320i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW3 Series Convertible (E46)Facelift 2003325Ci6,000 rpm3,500 rpm6,250 rpm
BMW3 Series Sedan (G20 LCI)Facelift 2022320i5,000-6,000 rpm2,000-4,700 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW3 Series Convertible (E46)Facelift 2003325CiBMW3 Series Sedan (G20 LCI)Facelift 2022320i
Acceleration checkpoints
0-60 mph
0-97 km/h
7.6 s
7.7 s
0-100 km/h
0-62 mph
8.0 s
8.1 s
0-200 km/h
0-124 mph
37.2 s
31.1 s
Top speed
234 km/h
145 mph
228 km/h
142 mph
Drag race simulation
60 ft
18 m
2.5 s
2.8 s
330 ft
101 m
6.8 s
7.2 s
1/8 mile
201 m
10.3 s
10.6 s
1000 ft
305 m
13.3 s
13.4 s
1/4 mile
402 m
15.8 s
15.9 s
Trap speed
1/4 mile
402 m
145 km/h
90 mph
152 km/h
94 mph

Power comparison

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

Chart data table
VehicleValue
BMW3 Series Convertible (E46)Facelift 2003325Ci
192 hp
143 kW
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
170 hp
127 kW

BMW 3 Series Convertible (E46) Facelift 2003 325Ci has 22 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: 22 hp (16 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW3 Series Convertible (E46)Facelift 2003325Ci
245 Nm
181 lb-ft
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
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 Convertible (E46)Facelift 2003325Ci
1,640 kg
3,616 lb
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
1,515 kg
3,340 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 Convertible (E46)Facelift 2003325Ci
234 km/h
145 mph
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
228 km/h
142 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW3 Series Convertible (E46)Facelift 2003325Ci8.0 s
BMW3 Series Sedan (G20 LCI)Facelift 2022320i8.1 s

The biggest 0-100 km/h difference is between BMW 3 Series Convertible (E46) Facelift 2003 325Ci and BMW 3 Series Sedan (G20 LCI) Facelift 2022 320i: 0.1 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 Convertible (E46)Facelift 2003325Ci
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
8.2 L/100 km
28.7 mpg US
34.4 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: 1.4 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 Convertible (E46)Facelift 2003325Ci
117 hp/t
87 kW/t
8.5 kg/hp
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
112 hp/t
84 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 Convertible (E46)Facelift 2003325Ci
656 km
408 mi
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
720 km
447 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW3 Series Convertible (E46)Facelift 2003325Ci
192 hp
143 kW
8.0 s
234 km/h
145 mph
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
170 hp
127 kW
8.1 s
228 km/h
142 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 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
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
Power
170 hp
127 kW
0-100 km/h8.1 s
Top speed
228 km/h
142 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

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 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
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
Power
170 hp
127 kW
0-100 km/h8.1 s
Top speed
228 km/h
142 mph
8.2 L/100 km
28.7 mpg US
34.4 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 Convertible (E46)Facelift 2003325Ci
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
8.0 s
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
8.1 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 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
BMW3 Series Sedan (G20 LCI)Facelift 2022320i
112 hp/t
84 kW/t
8.9 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW3 Series Convertible (E46)Facelift 2003325CiBMW3 Series Sedan (G20 LCI)Facelift 2022320i
Power
192 hp
143 kW
170 hp
127 kW
Torque
245 Nm
181 lb-ft
250 Nm
184 lb-ft
Acceleration
8.0 s
8.1 s
Top speed
234 km/h
145 mph
228 km/h
142 mph
Lightness
1,640 kg
3,616 lb
1,515 kg
3,340 lb
Fuel consumption
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Practicality
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
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
Range score
656 km
408 mi
720 km
447 mi
CO2 score
229 g/km
184 g/km
Trunk score
260 L
9.2 cu ft
480 L
17.0 cu ft
Power-to-weight score
117 hp/t
87 kW/t
8.5 kg/hp
112 hp/t
84 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 Convertible (E46) Facelift 2003 325CiBMW 3 Series Sedan (G20 LCI) Facelift 2022 320i
Consumption9.6 L/100 km24.5 mpg US29.4 mpg UK8.2 L/100 km28.7 mpg US34.4 mpg UK
Cost / 100 km16.80 LC100 km14.35 LC100 km
Cost / 100 mi27.04 LC100 mi23.09 LC100 mi
Annual fuel used1,440 L380 US gal317 UK gal1,230 L325 US gal271 UK gal
Annual fuel cost2,520 LC/year2,153 LC/year

Head-to-head comparisons

BMW 3 Series Convertible (E46) Facelift 2003 325Ci

  • Has 22 hp more
  • Is 0.1 s quicker from 0-100 km/h
  • Has 6 km/h (4 mph) higher top speed
  • Has 5 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

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

  • Has 5 Nm more
  • Is 125 kg lighter
  • Uses 1.4 L/100 km less fuel
  • Has 63 km (39 mi) more estimated range
  • Has 220 L more trunk volume
  • Emits 45 g/km less CO2

Pros

  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

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

Choose cars to compare

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

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