Car comparison

BMW 6 Series Convertible (E64) 630ivsAlfa Romeo Spider (916) 3.0 V6

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

New comparison

BMW 6 Series Convertible (E64)

630i

258 hp2996 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2004-2007

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 6 Series Convertible (E64) 630i

Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
258 hp
192 kW
Highest torque
300 Nm
221 lb-ft
Lowest city consumption
13.6 L/100 km
17.3 mpg US
20.8 mpg UK
Lowest highway consumption
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
Largest trunk
300 L
Best overall score
53/100
Best performance score
57/100
Best economy score
81/100
Best practicality score
45/100

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	BMW6 Series Convertible (E64)630i	Alfa RomeoSpider (916)3.0 V6
Power	258hp192kW	218hp163kW
Torque	300Nm221lb-ft	265Nm195lb-ft
Curb weight	1,685kg3,715lb	1,420kg3,131lb
Gross weight	2,085kg4,597lb	1,680kg3,704lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	235 km/h 146 mph
To 99% top speed	101.9s99% target: 257 km/h / 160 mph Calculated	88.4s99% target: 233 km/h / 145 mph Calculated
0-100 km/h	6.9s	6.8s
0-200 km/h	25.9s 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	13.6L/100 km17.3mpg US20.8mpg 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	153hp/t114kW/t69hp/1000 lb Calculated	154hp/t114kW/t70hp/1000 lb Calculated
Torque-to-weight	178Nm/t119lb-ft/ton Calculated	187Nm/t125lb-ft/ton Calculated
Estimated range	729km453mi Calculated	-
Displacement	2,996cc183cu in	2,959cc181cu in
Length	4,820mm190in	4,285mm169in
Width	1,855mm73in	1,780mm70in
Height	1,373mm54in	1,315mm52in
Wheelbase	2,780mm109in	2,540mm100in
Front track	1,558mm61in	1,510mm59in
Rear track	1,596mm63in	1,530mm60in
Trunk volume	300L	147L
Max trunk volume	350L	-
Doors	2	2
Seats	4	2
Fuel tank	70L	70L

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 6 Series Convertible (E64) 630iAlfa Romeo Spider (916) 3.0 V6PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW6 Series Convertible (E64)630i	6,600 rpm	2,500 rpm	6,850 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	BMW6 Series Convertible (E64)630i	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	25.9 s	30.3 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited	235 km/h 146 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	14.9 s
Trap speed 1/4 mile 402 m	157 km/h 97 mph	153 km/h 95 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW6 Series Convertible (E64)630i	258 hp 192 kW
Alfa RomeoSpider (916)3.0 V6	218 hp 163 kW

BMW 6 Series Convertible (E64) 630i has 40 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 6 Series Convertible (E64) 630i: 40 hp (30 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW6 Series Convertible (E64)630i	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
BMW6 Series Convertible (E64)630i	1,685 kg 3,715 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
BMW6 Series Convertible (E64)630i	Unrestricted 260 km/h162 mph Restricted 250 km/h155 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
BMW6 Series Convertible (E64)630i	6.9 s
Alfa RomeoSpider (916)3.0 V6	6.8 s

Although BMW 6 Series Convertible (E64) 630i 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 6 Series Convertible (E64) 630i: 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
BMW6 Series Convertible (E64)630i	153 hp/t 114 kW/t 6.5 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
BMW6 Series Convertible (E64)630i	258 hp 192 kW	6.9 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 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

BMW6 Series Convertible (E64)630i

Power	258 hp 192 kW
0-100 km/h	6.9 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	300 L 10.6 cu ft
Length	4,820 mm 189.8 in
Height	1,373 mm 54.1 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

BMW6 Series Convertible (E64)630i

Alfa RomeoSpider (916)3.0 V6

Power

258 hp

192 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

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

235 km/h

146 mph

Lightness

1,685 kg

3,715 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	300 L 10.6 cu ft
Length	4,820 mm 189.8 in
Height	1,373 mm 54.1 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

729 km

453 mi

Trunk score

300 L

10.6 cu ft

147 L

5.2 cu ft

Power-to-weight score

153 hp/t

114 kW/t

6.5 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 6 Series Convertible (E64) 630i
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