Car comparison

BMW 6 Series Convertible (E64) · Facelift 2007 630ivsBMW 6 Series (E24) 635CSi

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

New comparison

BMW 6 Series Convertible (E64) · Facelift 2007

630i

272 hp2996 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2007-2010

BMW 6 Series (E24)

635CSi

218 hp3453 ccGasolineRWDManualNaturally aspiratedCoupe1978-1982

Comparison overview

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

BMW 6 Series Convertible (E64) Facelift 2007 630i

Quickest 0-100 km/h
6.7 s
Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
272 hp
203 kW
Highest torque
320 Nm
236 lb-ft
Best power-to-weight
156 hp/t
117 kW/t
6.4 kg/hp
Lowest combined fuel consumption
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
Best estimated range
843 km
524 mi
Best overall score
54/100
Best performance score
58/100
Best economy score
85/100

BMW 6 Series (E24) 635CSi

Lightest
1,500 kg
3,307 lb
Largest trunk
415 L
Best practicality score
52/100

Specification comparison

Specification comparison
Model	BMW6 Series Convertible (E64)Facelift 2007630i	BMW6 Series (E24)635CSi
Power	272hp203kW	218hp163kW
Torque	320Nm236lb-ft	310Nm229lb-ft
Curb weight	1,740kg3,836lb	1,500kg3,307lb
Gross weight	2,140kg4,718lb	1,860kg4,101lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	222 km/h 138 mph
To 99% top speed	98.6s99% target: 257 km/h / 160 mph Calculated	94.9s99% target: 220 km/h / 137 mph Calculated
0-100 km/h	6.7s	7.6s
0-200 km/h	25.1s Calculated	40.5s Calculated
0-60 mph	6.4s Calculated	7.2s Calculated
Fuel consumption	8.3L/100 km28.3mpg US34.0mpg UK	10L/100 km23.5mpg US28.2mpg UK
Fuel consumption city	11.8L/100 km19.9mpg US23.9mpg UK	-
Fuel consumption highway	6.3L/100 km37.3mpg US44.8mpg UK	-
Quarter mile	14.7s Calculated	15.5s Calculated
Power-to-weight	156hp/t117kW/t71hp/1000 lb Calculated	145hp/t108kW/t66hp/1000 lb Calculated
Torque-to-weight	184Nm/t123lb-ft/ton Calculated	207Nm/t138lb-ft/ton Calculated
Estimated range	843km524mi Calculated	700km435mi Calculated
Displacement	2,996cc183cu in	3,453cc211cu in
Length	4,820mm190in	4,755mm187in
Width	1,855mm73in	1,725mm68in
Height	1,373mm54in	1,365mm54in
Wheelbase	2,780mm109in	2,626mm103in
Front track	1,558mm61in	1,422mm56in
Rear track	1,596mm63in	1,487mm59in
Trunk volume	300L	415L
Max trunk volume	350L	-
Doors	2	2
Seats	4	4
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) Facelift 2007 630iBMW 6 Series (E24) 635CSiPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW6 Series Convertible (E64)Facelift 2007630i	6,700 rpm	2,750-3,000 rpm	6,950 rpm
BMW6 Series (E24)635CSi	5,200 rpm	4,000 rpm	5,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW6 Series Convertible (E64)Facelift 2007630i	BMW6 Series (E24)635CSi
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.4 s	7.2 s
0-100 km/h 0-62 mph	6.7 s	7.6 s
0-200 km/h 0-124 mph	25.1 s	40.5 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited	222 km/h 138 mph
	Drag race simulation
60 ft 18 m	2.4 s	2.4 s
330 ft 101 m	6.4 s	6.6 s
1/8 mile 201 m	9.6 s	10.0 s
1000 ft 305 m	12.4 s	13.0 s
1/4 mile 402 m	14.7 s	15.5 s
Trap speed 1/4 mile 402 m	158 km/h 98 mph	146 km/h 90 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW6 Series Convertible (E64)Facelift 2007630i	272 hp 203 kW
BMW6 Series (E24)635CSi	218 hp 163 kW

BMW 6 Series Convertible (E64) Facelift 2007 630i has 54 hp more than BMW 6 Series (E24) 635CSi.

The biggest power difference is between BMW 6 Series (E24) 635CSi and BMW 6 Series Convertible (E64) Facelift 2007 630i: 54 hp (40 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW6 Series Convertible (E64)Facelift 2007630i	320 Nm 236 lb-ft
BMW6 Series (E24)635CSi	310 Nm 229 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)Facelift 2007630i	1,740 kg 3,836 lb
BMW6 Series (E24)635CSi	1,500 kg 3,307 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)Facelift 2007630i	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
BMW6 Series (E24)635CSi	222 km/h 138 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)Facelift 2007630i	6.7 s
BMW6 Series (E24)635CSi	7.6 s

The biggest 0-100 km/h difference is between BMW 6 Series Convertible (E64) Facelift 2007 630i and BMW 6 Series (E24) 635CSi: 0.9 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
BMW6 Series Convertible (E64)Facelift 2007630i	8.3 L/100 km 28.3 mpg US 34.0 mpg UK
BMW6 Series (E24)635CSi	10.0 L/100 km 23.5 mpg US 28.2 mpg UK

The biggest fuel consumption difference is between BMW 6 Series Convertible (E64) Facelift 2007 630i and BMW 6 Series (E24) 635CSi: 1.7 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
BMW6 Series Convertible (E64)Facelift 2007630i	156 hp/t 117 kW/t 6.4 kg/hp
BMW6 Series (E24)635CSi	145 hp/t 108 kW/t 6.9 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BMW6 Series Convertible (E64)Facelift 2007630i	843 km 524 mi
BMW6 Series (E24)635CSi	700 km 435 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW6 Series Convertible (E64)Facelift 2007630i	272 hp 203 kW	6.7 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
BMW6 Series (E24)635CSi	218 hp 163 kW	7.6 s	222 km/h 138 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)Facelift 2007630i

Power	272 hp 203 kW
0-100 km/h	6.7 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

BMW6 Series (E24)635CSi

Power	218 hp 163 kW
0-100 km/h	7.6 s
Top speed 222 km/h 138 mph

Doors/seats	2 doors 4 seats
Trunk	415 L 14.7 cu ft
Length	4,755 mm 187.2 in
Height	1,365 mm 53.7 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

BMW6 Series Convertible (E64)Facelift 2007630i

Power	272 hp 203 kW
0-100 km/h	6.7 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

8.3 L/100 km

28.3 mpg US

34.0 mpg UK

BMW6 Series (E24)635CSi

Power	218 hp 163 kW
0-100 km/h	7.6 s
Top speed 222 km/h 138 mph

10.0 L/100 km

23.5 mpg US

28.2 mpg UK

BMW 6 Series Convertible (E64) Facelift 2007 630i 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
BMW6 Series Convertible (E64)Facelift 2007630i	8.3 L/100 km 28.3 mpg US 34.0 mpg UK	6.7 s
BMW6 Series (E24)635CSi	10.0 L/100 km 23.5 mpg US 28.2 mpg UK	7.6 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
BMW6 Series Convertible (E64)Facelift 2007630i	156 hp/t 117 kW/t 6.4 kg/hp	8.3 L/100 km 28.3 mpg US 34.0 mpg UK
BMW6 Series (E24)635CSi	145 hp/t 108 kW/t 6.9 kg/hp	10.0 L/100 km 23.5 mpg US 28.2 mpg UK

Detailed score breakdown

Vehicle

BMW6 Series Convertible (E64)Facelift 2007630i

BMW6 Series (E24)635CSi

Power

272 hp

203 kW

218 hp

163 kW

Torque

320 Nm

236 lb-ft

310 Nm

229 lb-ft

Acceleration

6.7 s

7.6 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

222 km/h

138 mph

Lightness

1,740 kg

3,836 lb

1,500 kg

3,307 lb

Fuel consumption

8.3 L/100 km

28.3 mpg US

34.0 mpg UK

10.0 L/100 km

23.5 mpg US

28.2 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 4 seats
Trunk	415 L 14.7 cu ft
Length	4,755 mm 187.2 in
Height	1,365 mm 53.7 in

Range score

843 km

524 mi

700 km

435 mi

Trunk score

300 L

10.6 cu ft

415 L

14.7 cu ft

Power-to-weight score

156 hp/t

117 kW/t

6.4 kg/hp

145 hp/t

108 kW/t

6.9 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) Facelift 2007 630i	BMW 6 Series (E24) 635CSi
Consumption	8.3 L/100 km28.3 mpg US34 mpg UK	10 L/100 km23.5 mpg US28.2 mpg UK
Cost / 100 km	14.53 LC100 km	17.50 LC100 km
Cost / 100 mi	23.38 LC100 mi	28.16 LC100 mi
Annual fuel used	1,245 L329 US gal274 UK gal	1,500 L396 US gal330 UK gal
Annual fuel cost	2,179 LC/year	2,625 LC/year