Car comparison

BMW 3 Series Convertible (E46) · Facelift 2003 330CivsAlfa Romeo Spider (916) 3.0 V6

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

New comparison

BMW 3 Series Convertible (E46) · Facelift 2003

330Ci

231 hp2979 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2003-2006

Alfa Romeo Spider (916)

3.0 V6

218 hp2959 ccGasolineFWDManualNaturally aspiratedCabriolet / convertible2000-2003

Comparison overview

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

BMW 3 Series Convertible (E46) Facelift 2003 330Ci

Fastest top speed
247 km/h
153 mph
Most powerful
231 hp
172 kW
Highest torque
300 Nm
221 lb-ft
Lowest city consumption
13.4 L/100 km
17.6 mpg US
21.1 mpg UK
Lowest highway consumption
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
Largest trunk
260 L
Best overall score
50/100
Best performance score
54/100
Best economy score
81/100
Best practicality score
43/100

Alfa Romeo Spider (916) 3.0 V6

Quickest 0-100 km/h
6.8 s
Lightest
1,420 kg
3,131 lb
Best power-to-weight
154 hp/t
114 kW/t
6.5 kg/hp

Specification comparison

Specification comparison
Model	BMW3 Series Convertible (E46)Facelift 2003330Ci	Alfa RomeoSpider (916)3.0 V6
Power	231hp172kW	218hp163kW
Torque	300Nm221lb-ft	265Nm195lb-ft
Curb weight	1,660kg3,660lb	1,420kg3,131lb
Gross weight	2,005kg4,420lb	1,680kg3,704lb
Top speed	247 km/h 153 mph	235 km/h 146 mph
To 99% top speed	99.2s99% target: 245 km/h / 152 mph Calculated	88.4s99% target: 233 km/h / 145 mph Calculated
0-100 km/h	6.9s	6.8s
0-200 km/h	28.5s Calculated	30.3s Calculated
0-60 mph	6.5s Calculated	6.4s Calculated
Fuel consumption	9.6L/100 km24.5mpg US29.4mpg UK	-
Fuel consumption city	13.4L/100 km17.6mpg US21.1mpg UK	16.8L/100 km14mpg US16.8mpg UK
Fuel consumption highway	7.3L/100 km32.2mpg US38.7mpg UK	8.7L/100 km27mpg US32.5mpg UK
Quarter mile	14.9s Calculated	14.9s Calculated
Power-to-weight	139hp/t104kW/t63hp/1000 lb Calculated	154hp/t114kW/t70hp/1000 lb Calculated
Torque-to-weight	181Nm/t121lb-ft/ton Calculated	187Nm/t125lb-ft/ton Calculated
Estimated range	656km408mi Calculated	-
Displacement	2,979cc182cu in	2,959cc181cu in
Length	4,488mm177in	4,285mm169in
Width	1,757mm69in	1,780mm70in
Height	1,370mm54in	1,315mm52in
Wheelbase	2,725mm107in	2,540mm100in
Front track	1,471mm58in	1,510mm59in
Rear track	1,483mm58in	1,530mm60in
Trunk volume	260L	147L
Max trunk volume	300L	-
Doors	2	2
Seats	4	2
Fuel tank	63L	70L
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) Facelift 2003 330CiAlfa Romeo Spider (916) 3.0 V6PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW3 Series Convertible (E46)Facelift 2003330Ci	5,900 rpm	3,500 rpm	6,150 rpm
Alfa RomeoSpider (916)3.0 V6	6,300 rpm	5,000 rpm	6,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW3 Series Convertible (E46)Facelift 2003330Ci	Alfa RomeoSpider (916)3.0 V6
	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	28.5 s	30.3 s
Top speed	247 km/h 153 mph	235 km/h 146 mph
	Drag race simulation
60 ft 18 m	2.4 s	2.4 s
330 ft 101 m	6.4 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	14.9 s
Trap speed 1/4 mile 402 m	154 km/h 96 mph	153 km/h 95 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW3 Series Convertible (E46)Facelift 2003330Ci	231 hp 172 kW
Alfa RomeoSpider (916)3.0 V6	218 hp 163 kW

BMW 3 Series Convertible (E46) Facelift 2003 330Ci has 13 hp more than Alfa Romeo Spider (916) 3.0 V6.

The biggest power difference is between Alfa Romeo Spider (916) 3.0 V6 and BMW 3 Series Convertible (E46) Facelift 2003 330Ci: 13 hp (10 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW3 Series Convertible (E46)Facelift 2003330Ci	300 Nm 221 lb-ft
Alfa RomeoSpider (916)3.0 V6	265 Nm 195 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)Facelift 2003330Ci	1,660 kg 3,660 lb
Alfa RomeoSpider (916)3.0 V6	1,420 kg 3,131 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)Facelift 2003330Ci	247 km/h 153 mph
Alfa RomeoSpider (916)3.0 V6	235 km/h 146 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)Facelift 2003330Ci	6.9 s
Alfa RomeoSpider (916)3.0 V6	6.8 s

Although BMW 3 Series Convertible (E46) Facelift 2003 330Ci has more power, Alfa Romeo Spider (916) 3.0 V6 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Alfa Romeo Spider (916) 3.0 V6 and BMW 3 Series Convertible (E46) Facelift 2003 330Ci: 0.1 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 Convertible (E46)Facelift 2003330Ci	139 hp/t 104 kW/t 7.2 kg/hp
Alfa RomeoSpider (916)3.0 V6	154 hp/t 114 kW/t 6.5 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW3 Series Convertible (E46)Facelift 2003330Ci	231 hp 172 kW	6.9 s	247 km/h 153 mph
Alfa RomeoSpider (916)3.0 V6	218 hp 163 kW	6.8 s	235 km/h 146 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)Facelift 2003330Ci

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

Alfa RomeoSpider (916)3.0 V6

Power	218 hp 163 kW
0-100 km/h	6.8 s
Top speed 235 km/h 146 mph

Doors/seats	2 doors 2 seats
Trunk	147 L 5.2 cu ft
Length	4,285 mm 168.7 in
Height	1,315 mm 51.8 in

Detailed score breakdown

Vehicle

BMW3 Series Convertible (E46)Facelift 2003330Ci

Alfa RomeoSpider (916)3.0 V6

Power

231 hp

172 kW

218 hp

163 kW

Torque

300 Nm

221 lb-ft

265 Nm

195 lb-ft

Acceleration

6.9 s

6.8 s

Top speed

247 km/h

153 mph

235 km/h

146 mph

Lightness

1,660 kg

3,660 lb

1,420 kg

3,131 lb

Fuel consumption

9.6 L/100 km

24.5 mpg US

29.4 mpg UK

Practicality

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

Doors/seats	2 doors 2 seats
Trunk	147 L 5.2 cu ft
Length	4,285 mm 168.7 in
Height	1,315 mm 51.8 in

Range score

656 km

408 mi

CO2 score

229 g/km

Trunk score

260 L

9.2 cu ft

147 L

5.2 cu ft

Power-to-weight score

139 hp/t

104 kW/t

7.2 kg/hp

154 hp/t

114 kW/t

6.5 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) Facelift 2003 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