Car comparison

BMW 3 Series Convertible (E46) 330CivsBMW 3 Series Gran Turismo (F34) 325d

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

New comparison

BMW 3 Series Convertible (E46)

330Ci

225 hp2979 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2000-2003

BMW 3 Series Gran Turismo (F34)

325d

218 hp1995 ccDieselRWDAutomaticTwin-turbo2013-2016

Comparison overview

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

BMW 3 Series Gran Turismo (F34) 325d

Quickest 0-100 km/h
6.8 s
Highest torque
450 Nm
332 lb-ft
Lightest
1,615 kg
3,560 lb
Lowest combined fuel consumption
5.1 L/100 km
46.1 mpg US
55.4 mpg UK
Lowest city consumption
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
Lowest highway consumption
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
Best estimated range
1,118 km
694 mi
Largest trunk
520 L
Best overall score
63/100
Best performance score
57/100
Best economy score
93/100
Best practicality score
75/100

BMW 3 Series Convertible (E46) 330Ci

Fastest top speed
247 km/h
153 mph
Most powerful
225 hp
168 kW
Best power-to-weight
137 hp/t
102 kW/t
7.3 kg/hp

Specification comparison

Specification comparison
Model	BMW3 Series Convertible (E46)330Ci	BMW3 Series Gran Turismo (F34)325d
Power	225hp168kW	218hp163kW
Torque	290Nm214lb-ft	450Nm332lb-ft
Curb weight	1,645kg3,627lb	1,615kg3,560lb
Gross weight	2,045kg4,508lb	2,185kg4,817lb
Top speed	247 km/h 153 mph	240 km/h 149 mph
To 99% top speed	94.2s99% target: 245 km/h / 152 mph Calculated	87.3s99% target: 238 km/h / 148 mph Calculated
0-100 km/h	6.9s	6.8s
0-200 km/h	27.8s Calculated	28.4s Calculated
0-60 mph	6.5s Calculated	6.4s Calculated
Fuel consumption	9.6L/100 km24.5mpg US29.4mpg UK	5.1L/100 km46.1mpg US55.4mpg UK
Fuel consumption city	13.4L/100 km17.6mpg US21.1mpg UK	6L/100 km39.2mpg US47.1mpg UK
Fuel consumption highway	7.3L/100 km32.2mpg US38.7mpg UK	4.7L/100 km50mpg US60.1mpg UK
Quarter mile	14.9s Calculated	14.8s Calculated
Power-to-weight	137hp/t102kW/t62hp/1000 lb Calculated	135hp/t101kW/t61hp/1000 lb Calculated
Torque-to-weight	176Nm/t118lb-ft/ton Calculated	279Nm/t186lb-ft/ton Calculated
Estimated range	656km408mi Calculated	1,118km694mi Calculated
Displacement	2,979cc182cu in	1,995cc122cu in
Length	4,488mm177in	4,824mm190in
Width	1,757mm69in	1,828mm72in
Height	1,372mm54in	1,508mm59in
Wheelbase	2,725mm107in	2,920mm115in
Front track	1,471mm58in	1,541mm61in
Rear track	1,483mm58in	1,586mm62in
Ground clearance	-	165mm6in
Trunk volume	260L	520L
Max trunk volume	300L	1,600L
Doors	2	5
Seats	4	5
Fuel tank	63L	57L
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 Convertible (E46) 330CiBMW 3 Series Gran Turismo (F34) 325dPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW3 Series Convertible (E46)330Ci	5,900 rpm	3,500 rpm	6,150 rpm
BMW3 Series Gran Turismo (F34)325d	4,400 rpm	1,500-2,500 rpm	4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW3 Series Convertible (E46)330Ci	BMW3 Series Gran Turismo (F34)325d
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.5 s	6.4 s
0-100 km/h 0-62 mph	6.9 s	6.8 s
0-200 km/h 0-124 mph	27.8 s	28.4 s
Top speed	247 km/h 153 mph	240 km/h 149 mph
	Drag race simulation
60 ft 18 m	2.4 s	2.4 s
330 ft 101 m	6.5 s	6.4 s
1/8 mile 201 m	9.7 s	9.7 s
1000 ft 305 m	12.5 s	12.5 s
1/4 mile 402 m	14.9 s	14.8 s
Trap speed 1/4 mile 402 m	155 km/h 96 mph	155 km/h 96 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW3 Series Convertible (E46)330Ci	225 hp 168 kW
BMW3 Series Gran Turismo (F34)325d	218 hp 163 kW

BMW 3 Series Convertible (E46) 330Ci has 7 hp more than BMW 3 Series Gran Turismo (F34) 325d.

The biggest power difference is between BMW 3 Series Gran Turismo (F34) 325d and BMW 3 Series Convertible (E46) 330Ci: 7 hp (5 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW3 Series Convertible (E46)330Ci	290 Nm 214 lb-ft
BMW3 Series Gran Turismo (F34)325d	450 Nm 332 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW3 Series Convertible (E46)330Ci	1,645 kg 3,627 lb
BMW3 Series Gran Turismo (F34)325d	1,615 kg 3,560 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 Convertible (E46)330Ci	247 km/h 153 mph
BMW3 Series Gran Turismo (F34)325d	240 km/h 149 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 Convertible (E46)330Ci	6.9 s
BMW3 Series Gran Turismo (F34)325d	6.8 s

Although BMW 3 Series Convertible (E46) 330Ci has more power, BMW 3 Series Gran Turismo (F34) 325d is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 3 Series Gran Turismo (F34) 325d and BMW 3 Series Convertible (E46) 330Ci: 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
Vehicle	Value
BMW3 Series Convertible (E46)330Ci	9.6 L/100 km 24.5 mpg US 29.4 mpg UK
BMW3 Series Gran Turismo (F34)325d	5.1 L/100 km 46.1 mpg US 55.4 mpg UK

The biggest fuel consumption difference is between BMW 3 Series Gran Turismo (F34) 325d and BMW 3 Series Convertible (E46) 330Ci: 4.5 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 Convertible (E46)330Ci	137 hp/t 102 kW/t 7.3 kg/hp
BMW3 Series Gran Turismo (F34)325d	135 hp/t 101 kW/t 7.4 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BMW3 Series Convertible (E46)330Ci	656 km 408 mi
BMW3 Series Gran Turismo (F34)325d	1,118 km 694 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW3 Series Convertible (E46)330Ci	225 hp 168 kW	6.9 s	247 km/h 153 mph
BMW3 Series Gran Turismo (F34)325d	218 hp 163 kW	6.8 s	240 km/h 149 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 Convertible (E46)330Ci

Power	225 hp 168 kW
0-100 km/h	6.9 s
Top speed 247 km/h 153 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 Gran Turismo (F34)325d

Power	218 hp 163 kW
0-100 km/h	6.8 s
Top speed 240 km/h 149 mph

Doors/seats	5 doors 5 seats
Trunk	520 L 18.4 cu ft
Length	4,824 mm 189.9 in
Height	1,508 mm 59.4 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 Convertible (E46)330Ci

Power	225 hp 168 kW
0-100 km/h	6.9 s
Top speed 247 km/h 153 mph

9.6 L/100 km

24.5 mpg US

29.4 mpg UK

BMW3 Series Gran Turismo (F34)325d

Power	218 hp 163 kW
0-100 km/h	6.8 s
Top speed 240 km/h 149 mph

5.1 L/100 km

46.1 mpg US

55.4 mpg UK

BMW 3 Series Gran Turismo (F34) 325d 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 Convertible (E46)330Ci	9.6 L/100 km 24.5 mpg US 29.4 mpg UK	6.9 s
BMW3 Series Gran Turismo (F34)325d	5.1 L/100 km 46.1 mpg US 55.4 mpg UK	6.8 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 Convertible (E46)330Ci	137 hp/t 102 kW/t 7.3 kg/hp	9.6 L/100 km 24.5 mpg US 29.4 mpg UK
BMW3 Series Gran Turismo (F34)325d	135 hp/t 101 kW/t 7.4 kg/hp	5.1 L/100 km 46.1 mpg US 55.4 mpg UK

Detailed score breakdown

Vehicle

BMW3 Series Convertible (E46)330Ci

BMW3 Series Gran Turismo (F34)325d

Power

225 hp

168 kW

218 hp

163 kW

Torque

290 Nm

214 lb-ft

450 Nm

332 lb-ft

Acceleration

6.9 s

6.8 s

Top speed

247 km/h

153 mph

240 km/h

149 mph

Lightness

1,645 kg

3,627 lb

1,615 kg

3,560 lb

Fuel consumption

9.6 L/100 km

24.5 mpg US

29.4 mpg UK

5.1 L/100 km

46.1 mpg US

55.4 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	5 doors 5 seats
Trunk	520 L 18.4 cu ft
Length	4,824 mm 189.9 in
Height	1,508 mm 59.4 in

Range score

656 km

408 mi

1,118 km

694 mi

CO2 score

229 g/km

Trunk score

260 L

9.2 cu ft

520 L

18.4 cu ft

Power-to-weight score

137 hp/t

102 kW/t

7.3 kg/hp

135 hp/t

101 kW/t

7.4 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 Convertible (E46) 330Ci	BMW 3 Series Gran Turismo (F34) 325d
Consumption	9.6 L/100 km24.5 mpg US29.4 mpg UK	5.1 L/100 km46.1 mpg US55.4 mpg UK
Cost / 100 km	16.80 LC100 km	8.92 LC100 km
Cost / 100 mi	27.04 LC100 mi	14.36 LC100 mi
Annual fuel used	1,440 L380 US gal317 UK gal	765 L202 US gal168 UK gal
Annual fuel cost	2,520 LC/year	1,339 LC/year