Car comparison

BMW 3 Series Coupe (E46) · Facelift 2003 330CdvsBMW 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 Coupe (E46) · Facelift 2003

330Cd

204 hp2993 ccDieselRWDAutomaticTurbochargedCoupe2003-2005
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 Coupe (E46) Facelift 2003 330Cd

  • Quickest 0-100 km/h
    7.4 s
  • Fastest top speed
    235 km/h
    146 mph
  • Most powerful
    204 hp
    152 kW
  • Highest torque
    410 Nm
    302 lb-ft
  • Lightest
    1,555 kg
    3,428 lb
  • Best power-to-weight
    131 hp/t
    98 kW/t
    7.6 kg/hp
  • Lowest combined fuel consumption
    7.7 L/100 km
    30.5 mpg US
    36.7 mpg UK
  • Lowest city consumption
    10.6 L/100 km
    22.2 mpg US
    26.6 mpg UK
  • Lowest highway consumption
    6.1 L/100 km
    38.6 mpg US
    46.3 mpg UK
  • Best estimated range
    818 km
    508 mi
  • Largest trunk
    410 L
  • Best overall score
    54/100
  • Best performance score
    53/100
  • Best economy score
    86/100
  • Best practicality score
    56/100

Specification comparison

Specification comparison
ModelBMW3 Series Coupe (E46)Facelift 2003330CdBMW3 Series Convertible (E46)Facelift 2003325Ci
Power
204hp152kW
192hp143kW
Torque
410Nm302lb-ft
245Nm181lb-ft
Curb weight
1,555kg3,428lb
1,640kg3,616lb
Gross weight
2,055kg4,530lb
1,985kg4,376lb
Top speed
235 km/h
146 mph
234 km/h
145 mph
To 99% top speed
93.2s99% target: 233 km/h / 145 mph
Calculated
109.0s99% target: 232 km/h / 144 mph
Calculated
0-100 km/h
7.4s
8.0s
0-200 km/h
32.4s
Calculated
37.2s
Calculated
0-60 mph
7.0s
Calculated
7.6s
Calculated
Fuel consumption
7.7L/100 km30.5mpg US36.7mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Fuel consumption city
10.6L/100 km22.2mpg US26.6mpg UK
13.4L/100 km17.6mpg US21.1mpg UK
Fuel consumption highway
6.1L/100 km38.6mpg US46.3mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
Quarter mile
15.3s
Calculated
15.8s
Calculated
Power-to-weight
131hp/t98kW/t60hp/1000 lb
Calculated
117hp/t87kW/t53hp/1000 lb
Calculated
Torque-to-weight
264Nm/t176lb-ft/ton
Calculated
149Nm/t100lb-ft/ton
Calculated
Estimated range
818km508mi
Calculated
656km408mi
Calculated
Displacement
2,993cc183cu in
2,494cc152cu in
Length
4,488mm177in
4,488mm177in
Width
1,757mm69in
1,757mm69in
Height
1,369mm54in
1,372mm54in
Wheelbase
2,725mm107in
2,725mm107in
Front track
1,471mm58in
1,471mm58in
Rear track
1,483mm58in
1,483mm58in
Trunk volume
410L
260L
Max trunk volume-
300L
Doors
2
2
Seats
5
4
Fuel tank
63L
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 Coupe (E46) Facelift 2003 330CdBMW 3 Series Convertible (E46) Facelift 2003 325CiPowerTorque
  • BMW 3 Series Coupe (E46) Facelift 2003 330Cd: 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 Coupe (E46)Facelift 2003330Cd4,000 rpm1,500 rpm4,250 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 Coupe (E46)Facelift 2003330CdBMW3 Series Convertible (E46)Facelift 2003325Ci
Acceleration checkpoints
0-60 mph
0-97 km/h
7.0 s
7.6 s
0-100 km/h
0-62 mph
7.4 s
8.0 s
0-200 km/h
0-124 mph
32.4 s
37.2 s
Top speed
235 km/h
146 mph
234 km/h
145 mph
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.6 s
6.8 s
1/8 mile
201 m
10.0 s
10.3 s
1000 ft
305 m
12.9 s
13.3 s
1/4 mile
402 m
15.3 s
15.8 s
Trap speed
1/4 mile
402 m
150 km/h
93 mph
145 km/h
90 mph

Power comparison

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

Chart data table
VehicleValue
BMW3 Series Coupe (E46)Facelift 2003330Cd
204 hp
152 kW
BMW3 Series Convertible (E46)Facelift 2003325Ci
192 hp
143 kW

BMW 3 Series Coupe (E46) Facelift 2003 330Cd has 12 hp more than BMW 3 Series Convertible (E46) Facelift 2003 325Ci.

The biggest power difference is between BMW 3 Series Convertible (E46) Facelift 2003 325Ci and BMW 3 Series Coupe (E46) Facelift 2003 330Cd: 12 hp (9 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW3 Series Coupe (E46)Facelift 2003330Cd
410 Nm
302 lb-ft
BMW3 Series Convertible (E46)Facelift 2003325Ci
245 Nm
181 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW3 Series Coupe (E46)Facelift 2003330Cd
1,555 kg
3,428 lb
BMW3 Series Convertible (E46)Facelift 2003325Ci
1,640 kg
3,616 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 Coupe (E46)Facelift 2003330Cd
235 km/h
146 mph
BMW3 Series Convertible (E46)Facelift 2003325Ci
234 km/h
145 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW3 Series Coupe (E46)Facelift 2003330Cd7.4 s
BMW3 Series Convertible (E46)Facelift 2003325Ci8.0 s

The biggest 0-100 km/h difference is between BMW 3 Series Coupe (E46) Facelift 2003 330Cd 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 Coupe (E46)Facelift 2003330Cd
7.7 L/100 km
30.5 mpg US
36.7 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 Coupe (E46) Facelift 2003 330Cd and BMW 3 Series Convertible (E46) Facelift 2003 325Ci: 1.9 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 Coupe (E46)Facelift 2003330Cd
131 hp/t
98 kW/t
7.6 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

Chart data table
VehicleValue
BMW3 Series Coupe (E46)Facelift 2003330Cd
818 km
508 mi
BMW3 Series Convertible (E46)Facelift 2003325Ci
656 km
408 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW3 Series Coupe (E46)Facelift 2003330Cd
204 hp
152 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 Coupe (E46)Facelift 2003330Cd
Power
204 hp
152 kW
0-100 km/h7.4 s
Top speed
235 km/h
146 mph
Doors/seats
2 doors
5 seats
Trunk
410 L
14.5 cu ft
Length
4,488 mm
176.7 in
Height
1,369 mm
53.9 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 Coupe (E46)Facelift 2003330Cd
Power
204 hp
152 kW
0-100 km/h7.4 s
Top speed
235 km/h
146 mph
7.7 L/100 km
30.5 mpg US
36.7 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 Coupe (E46) Facelift 2003 330Cd 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 Coupe (E46)Facelift 2003330Cd
7.7 L/100 km
30.5 mpg US
36.7 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 Coupe (E46)Facelift 2003330Cd
131 hp/t
98 kW/t
7.6 kg/hp
7.7 L/100 km
30.5 mpg US
36.7 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 Coupe (E46)Facelift 2003330CdBMW3 Series Convertible (E46)Facelift 2003325Ci
Power
204 hp
152 kW
192 hp
143 kW
Torque
410 Nm
302 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
1,555 kg
3,428 lb
1,640 kg
3,616 lb
Fuel consumption
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Practicality
Doors/seats
2 doors
5 seats
Trunk
410 L
14.5 cu ft
Length
4,488 mm
176.7 in
Height
1,369 mm
53.9 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
818 km
508 mi
656 km
408 mi
CO2 score
-
229 g/km
Trunk score
410 L
14.5 cu ft
260 L
9.2 cu ft
Power-to-weight score
131 hp/t
98 kW/t
7.6 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 Coupe (E46) Facelift 2003 330CdBMW 3 Series Convertible (E46) Facelift 2003 325Ci
Consumption7.7 L/100 km30.5 mpg US36.7 mpg UK9.6 L/100 km24.5 mpg US29.4 mpg UK
Cost / 100 km13.48 LC100 km16.80 LC100 km
Cost / 100 mi21.69 LC100 mi27.04 LC100 mi
Annual fuel used1,155 L305 US gal254 UK gal1,440 L380 US gal317 UK gal
Annual fuel cost2,021 LC/year2,520 LC/year

Head-to-head comparisons

BMW 3 Series Coupe (E46) Facelift 2003 330Cd

  • Has 12 hp more
  • Has 165 Nm more
  • Is 85 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 1 km/h (1 mph) higher top speed
  • Uses 1.9 L/100 km less fuel
  • Has 14 hp/t better power-to-weight
  • Has 162 km (101 mi) more estimated range
  • Has 150 L more trunk volume

Pros

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 3 Series Coupe (E46) 330Cd
BMW 3 Series Convertible (E46) 325Ci
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2 vehicles selected

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BMW 3 Series Coupe (E46) · Facelift 2003 330Cd vs BMW 3 Series Convertible (E46) · Facelift 2003 325Ci - car comparison - FastVsFaster