Car comparison

BMW 3 Series Touring (E91) 330xivsBMW 3 Series Convertible (E46) 330Ci

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

New comparison

BMW 3 Series Touring (E91)

330xi

258 hp2996 ccGasolineAWDManualNaturally aspiratedWagon / estate2005-2007

BMW 3 Series Convertible (E46)

330Ci

231 hp2979 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2000-2003

Comparison overview

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

BMW 3 Series Touring (E91) 330xi

Quickest 0-100 km/h
6.6 s
Fastest top speed
250 km/h
155 mph
Most powerful
258 hp
192 kW
Highest torque
300 Nm
221 lb-ft
Lightest
1,645 kg
3,627 lb
Best power-to-weight
157 hp/t
117 kW/t
6.4 kg/hp
Lowest highway consumption
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
Largest trunk
460 L
Best overall score
65/100
Best performance score
57/100
Best practicality score
82/100

BMW 3 Series Convertible (E46) 330Ci

Lowest city consumption
13.4 L/100 km
17.6 mpg US
21.1 mpg UK
Best economy score
81/100

Specification comparison

Specification comparison
Model	BMW3 Series Touring (E91)330xi	BMW3 Series Convertible (E46)330Ci
Power	258hp192kW	231hp172kW
Torque	300Nm221lb-ft	300Nm221lb-ft
Curb weight	1,645kg3,627lb	1,645kg3,627lb
Gross weight	2,180kg4,806lb	2,045kg4,508lb
Top speed	250 km/h 155 mph	247 km/h 153 mph
To 99% top speed	67.1s99% target: 248 km/h / 154 mph Calculated	93.3s99% target: 245 km/h / 152 mph Calculated
0-100 km/h	6.6s	6.9s
0-200 km/h	22.2s Calculated	27.6s Calculated
0-60 mph	6.3s Calculated	6.5s Calculated
Fuel consumption	-	9.6L/100 km24.5mpg US29.4mpg UK
Fuel consumption city	14L/100 km16.8mpg US20.2mpg UK	13.4L/100 km17.6mpg US21.1mpg UK
Fuel consumption highway	7.3L/100 km32.2mpg US38.7mpg UK	7.3L/100 km32.2mpg US38.7mpg UK
Quarter mile	14.6s Calculated	14.9s Calculated
Power-to-weight	157hp/t117kW/t71hp/1000 lb Calculated	140hp/t105kW/t64hp/1000 lb Calculated
Torque-to-weight	182Nm/t122lb-ft/ton Calculated	182Nm/t122lb-ft/ton Calculated
Estimated range	-	656km408mi Calculated
Displacement	2,996cc183cu in	2,979cc182cu in
Length	4,520mm178in	4,488mm177in
Width	1,817mm72in	1,757mm69in
Height	1,418mm56in	1,370mm54in
Wheelbase	2,760mm109in	2,725mm107in
Front track	1,500mm59in	1,471mm58in
Rear track	1,513mm60in	1,483mm58in
Trunk volume	460L	260L
Max trunk volume	1,385L	300L
Doors	5	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 Touring (E91) 330xiBMW 3 Series Convertible (E46) 330CiPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW3 Series Touring (E91)330xi	6,600 rpm	2,500 rpm	6,850 rpm
BMW3 Series Convertible (E46)330Ci	5,900 rpm	3,500 rpm	6,150 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW3 Series Touring (E91)330xi	BMW3 Series Convertible (E46)330Ci
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.3 s	6.5 s
0-100 km/h 0-62 mph	6.6 s	6.9 s
0-200 km/h 0-124 mph	22.2 s	27.6 s
Top speed	250 km/h 155 mph	247 km/h 153 mph
	Drag race simulation
60 ft 18 m	2.6 s	2.4 s
330 ft 101 m	6.6 s	6.5 s
1/8 mile 201 m	9.7 s	9.7 s
1000 ft 305 m	12.3 s	12.5 s
1/4 mile 402 m	14.6 s	14.9 s
Trap speed 1/4 mile 402 m	165 km/h 103 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 Touring (E91)330xi	258 hp 192 kW
BMW3 Series Convertible (E46)330Ci	231 hp 172 kW

BMW 3 Series Touring (E91) 330xi has 27 hp more than BMW 3 Series Convertible (E46) 330Ci.

The biggest power difference is between BMW 3 Series Convertible (E46) 330Ci and BMW 3 Series Touring (E91) 330xi: 27 hp (20 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW3 Series Touring (E91)330xi	300 Nm 221 lb-ft
BMW3 Series Convertible (E46)330Ci	300 Nm 221 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW3 Series Touring (E91)330xi	1,645 kg 3,627 lb
BMW3 Series Convertible (E46)330Ci	1,645 kg 3,627 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 Touring (E91)330xi	250 km/h 155 mph
BMW3 Series Convertible (E46)330Ci	247 km/h 153 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 Touring (E91)330xi	6.6 s
BMW3 Series Convertible (E46)330Ci	6.9 s

The biggest 0-100 km/h difference is between BMW 3 Series Touring (E91) 330xi and BMW 3 Series Convertible (E46) 330Ci: 0.3 s.

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 Touring (E91)330xi	157 hp/t 117 kW/t 6.4 kg/hp
BMW3 Series Convertible (E46)330Ci	140 hp/t 105 kW/t 7.1 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW3 Series Touring (E91)330xi	258 hp 192 kW	6.6 s	250 km/h 155 mph
BMW3 Series Convertible (E46)330Ci	231 hp 172 kW	6.9 s	247 km/h 153 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 Touring (E91)330xi

Power	258 hp 192 kW
0-100 km/h	6.6 s
Top speed 250 km/h 155 mph

Doors/seats	5 doors 5 seats
Trunk	460 L 16.2 cu ft
Length	4,520 mm 178.0 in
Height	1,418 mm 55.8 in

BMW3 Series Convertible (E46)330Ci

Power	231 hp 172 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	1,370 mm 53.9 in

Detailed score breakdown

Vehicle

BMW3 Series Touring (E91)330xi

BMW3 Series Convertible (E46)330Ci

Power

258 hp

192 kW

231 hp

172 kW

Torque

300 Nm

221 lb-ft

300 Nm

221 lb-ft

Acceleration

6.6 s

6.9 s

Top speed

250 km/h

155 mph

247 km/h

153 mph

Lightness

1,645 kg

3,627 lb

1,645 kg

3,627 lb

Fuel consumption

9.6 L/100 km

24.5 mpg US

29.4 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	460 L 16.2 cu ft
Length	4,520 mm 178.0 in
Height	1,418 mm 55.8 in

Doors/seats	2 doors 4 seats
Trunk	260 L 9.2 cu ft
Length	4,488 mm 176.7 in
Height	1,370 mm 53.9 in

Range score

656 km

408 mi

CO2 score

229 g/km

Trunk score

460 L

16.2 cu ft

260 L

9.2 cu ft

Power-to-weight score

157 hp/t

117 kW/t

6.4 kg/hp

140 hp/t

105 kW/t

7.1 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
Consumption	9.6 L/100 km24.5 mpg US29.4 mpg UK
Cost / 100 km	16.80 LC100 km
Cost / 100 mi	27.04 LC100 mi
Annual fuel used	1,440 L380 US gal317 UK gal
Annual fuel cost	2,520 LC/year