Car comparison

BMW 3 Series Touring (G21) 320dvsBMW 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 Touring (G21)

320d

190 hp1995 ccDieselAWDAutomaticTurbochargedWagon / estate2019-2020
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 Touring (G21) 320d

  • Quickest 0-100 km/h
    7.4 s
  • Fastest top speed
    235 km/h
    146 mph Unrestricted
    225 km/h
    140 mph Restricted
  • Highest torque
    400 Nm
    295 lb-ft
  • Lightest
    1,640 kg
    3,616 lb
  • Lowest combined fuel consumption
    4.9 L/100 km
    48.0 mpg US
    57.6 mpg UK
  • Lowest city consumption
    5.4 L/100 km
    43.6 mpg US
    52.3 mpg UK
  • Lowest highway consumption
    4.7 L/100 km
    50.0 mpg US
    60.1 mpg UK
  • Lowest CO2 emissions
    129 g/km
  • Best estimated range
    816 km
    507 mi
  • Largest trunk
    500 L
  • Best overall score
    63/100
  • Best performance score
    53/100
  • Best economy score
    94/100
  • Best practicality score
    84/100

Specification comparison

Specification comparison
ModelBMW3 Series Touring (G21)320dBMW3 Series Convertible (E46)Facelift 2003325Ci
Power
190hp142kW
192hp143kW
Torque
400Nm295lb-ft
245Nm181lb-ft
Curb weight
1,640kg3,616lb
1,640kg3,616lb
Gross weight
2,255kg4,971lb
1,985kg4,376lb
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
Calculated
234 km/h
145 mph
To 99% top speed
72.1s99% 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
27.9s
Calculated
37.2s
Calculated
0-60 mph
7.0s
Calculated
7.6s
Calculated
Fuel consumption
4.9L/100 km48mpg US57.6mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Fuel consumption city
5.4L/100 km43.6mpg US52.3mpg UK
13.4L/100 km17.6mpg US21.1mpg UK
Fuel consumption highway
4.7L/100 km50mpg US60.1mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
Quarter mile
15.3s
Calculated
15.8s
Calculated
Power-to-weight
116hp/t86kW/t53hp/1000 lb
Calculated
117hp/t87kW/t53hp/1000 lb
Calculated
Torque-to-weight
244Nm/t163lb-ft/ton
Calculated
149Nm/t100lb-ft/ton
Calculated
Estimated range
816km507mi
Calculated
656km408mi
Calculated
Displacement
1,995cc122cu in
2,494cc152cu in
Length
4,709mm185in
4,488mm177in
Width
1,827mm72in
1,757mm69in
Height
1,445mm57in
1,372mm54in
Wheelbase
2,851mm112in
2,725mm107in
Front track
1,573mm62in
1,471mm58in
Rear track
1,567mm62in
1,483mm58in
Ground clearance
135mm5in
-
Trunk volume
500L
260L
Max trunk volume
1,510L
300L
Doors
5
2
Seats
5
4
Fuel tank
40L
63L
CO2 emissions
129g/km
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 Touring (G21) 320dBMW 3 Series Convertible (E46) Facelift 2003 325CiPowerTorque
  • BMW 3 Series Touring (G21) 320d: 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 Touring (G21)320d4,000 rpm1,750-2,500 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 Touring (G21)320dBMW3 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
27.9 s
37.2 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
Likely limited
234 km/h
145 mph
Drag race simulation
60 ft
18 m
2.7 s
2.5 s
330 ft
101 m
6.8 s
6.8 s
1/8 mile
201 m
10.1 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
156 km/h
97 mph
145 km/h
90 mph

Power comparison

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

Chart data table
VehicleValue
BMW3 Series Touring (G21)320d
190 hp
142 kW
BMW3 Series Convertible (E46)Facelift 2003325Ci
192 hp
143 kW

BMW 3 Series Convertible (E46) Facelift 2003 325Ci has 2 hp more than BMW 3 Series Touring (G21) 320d.

The biggest power difference is between BMW 3 Series Touring (G21) 320d and BMW 3 Series Convertible (E46) Facelift 2003 325Ci: 2 hp (1 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW3 Series Touring (G21)320d
400 Nm
295 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 Touring (G21)320d
1,640 kg
3,616 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 Touring (G21)320d
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 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 Touring (G21)320d7.4 s
BMW3 Series Convertible (E46)Facelift 2003325Ci8.0 s

Although BMW 3 Series Convertible (E46) Facelift 2003 325Ci has more power, BMW 3 Series Touring (G21) 320d is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 3 Series Touring (G21) 320d 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 Touring (G21)320d
4.9 L/100 km
48.0 mpg US
57.6 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 Touring (G21) 320d and BMW 3 Series Convertible (E46) Facelift 2003 325Ci: 4.7 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
BMW3 Series Touring (G21)320d
116 hp/t
86 kW/t
8.6 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 Touring (G21)320d
816 km
507 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 Touring (G21)320d
190 hp
142 kW
7.4 s
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 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 Touring (G21)320d
Power
190 hp
142 kW
0-100 km/h7.4 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,709 mm
185.4 in
Height
1,445 mm
56.9 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 Touring (G21)320d
Power
190 hp
142 kW
0-100 km/h7.4 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
4.9 L/100 km
48.0 mpg US
57.6 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 Touring (G21) 320d 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 Touring (G21)320d
4.9 L/100 km
48.0 mpg US
57.6 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 Touring (G21)320d
116 hp/t
86 kW/t
8.6 kg/hp
4.9 L/100 km
48.0 mpg US
57.6 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 Touring (G21)320dBMW3 Series Convertible (E46)Facelift 2003325Ci
Power
190 hp
142 kW
192 hp
143 kW
Torque
400 Nm
295 lb-ft
245 Nm
181 lb-ft
Acceleration
7.4 s
8.0 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
234 km/h
145 mph
Lightness
1,640 kg
3,616 lb
1,640 kg
3,616 lb
Fuel consumption
4.9 L/100 km
48.0 mpg US
57.6 mpg UK
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,709 mm
185.4 in
Height
1,445 mm
56.9 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
816 km
507 mi
656 km
408 mi
CO2 score
129 g/km
229 g/km
Trunk score
500 L
17.7 cu ft
260 L
9.2 cu ft
Power-to-weight score
116 hp/t
86 kW/t
8.6 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 Touring (G21) 320dBMW 3 Series Convertible (E46) Facelift 2003 325Ci
Consumption4.9 L/100 km48 mpg US57.6 mpg UK9.6 L/100 km24.5 mpg US29.4 mpg UK
Cost / 100 km8.58 LC100 km16.80 LC100 km
Cost / 100 mi13.80 LC100 mi27.04 LC100 mi
Annual fuel used735 L194 US gal162 UK gal1,440 L380 US gal317 UK gal
Annual fuel cost1,286 LC/year2,520 LC/year

Head-to-head comparisons

BMW 3 Series Touring (G21) 320d

  • Has 155 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Has 1 km/h (1 mph) higher top speed
  • Uses 4.7 L/100 km less fuel
  • Has 160 km (99 mi) more estimated range
  • Has 240 L more trunk volume
  • Emits 100 g/km less CO2

Pros

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

Cons

  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 3 Series Touring (G21) 320d
BMW 3 Series Convertible (E46) 325Ci
Compare selected cars
2 vehicles selected

Popular comparisons

320d
320d
VS
BMW3 Series Touring (G21)320dvsBMW3 Series Sedan (G20)320d
325Ci
330Ci
VS
BMW3 Series Convertible (E46)Facelift 2003325CivsBMW3 Series Convertible (E46)330Ci
320d
328i
VS
BMW3 Series Touring (G21)320dvsBMW3 Series Touring (E36)328i
325Ci
328i
VS
BMW3 Series Convertible (E46)Facelift 2003325CivsBMW3 Series Convertible (E36)328i
320d
320d
VS
BMW3 Series Touring (G21)320dvsBMW3 Series Sedan (G20 LCI)Facelift 2022320d
325Ci
330d
VS
BMW3 Series Convertible (E46)Facelift 2003325CivsBMW3 Series Convertible (E93)330d
320d
330d
VS
BMW3 Series Touring (G21)320dvsBMW3 Series Touring (F31)330d
325Ci
325ti
VS
BMW3 Series Convertible (E46)Facelift 2003325CivsBMW3 Series Compact (E46)325ti
320d
320d
VS
BMW3 Series Touring (G21)320dvsBMW3 Series Gran Turismo (F34)320d
325Ci
330Cd
VS
BMW3 Series Convertible (E46)Facelift 2003325CivsBMW3 Series Coupe (E46)Facelift 2003330Cd
320d
330i
VS
BMW3 Series Touring (G21)320dvsBMW3 Series Touring (E46)Facelift 2001330i
320d
330xi
VS
BMW3 Series Touring (G21)320dvsBMW3 Series Touring (E46)330xi
BMW 3 Series Touring (G21) 320d vs BMW 3 Series Convertible (E46) · Facelift 2003 325Ci - car comparison - FastVsFaster