Car comparison

Alpina B6 Cabrio (E64) 4.4 V8vsBentley Continental GTC 6.0 i W12 48V

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

New comparison

Alpina B6 Cabrio (E64)

4.4 V8

500 hp4398 ccGasolineRWDAutomaticSuperchargedCabriolet / convertible2005-2008

Bentley Continental GTC

6.0 i W12 48V

560 hp5998 ccGasolineAWDAutomaticTwin-turboCabriolet / convertible2006-2010

Comparison overview

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

Alpina B6 Cabrio (E64) 4.4 V8

Quickest 0-100 km/h
4.9 s
Fastest top speed
320 km/h
199 mph Unrestricted
310 km/h
193 mph Restricted
Highest torque
700 Nm
516 lb-ft
Lightest
1,930 kg
4,255 lb
Best power-to-weight
259 hp/t
193 kW/t
3.9 kg/hp
Lowest city consumption
18.9 L/100 km
12.4 mpg US
14.9 mpg UK
Lowest highway consumption
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
Largest trunk
450 L
Best overall score
75/100
Best performance score
87/100
Best economy score
73/100

Bentley Continental GTC 6.0 i W12 48V

Most powerful
560 hp
418 kW
Best practicality score
49/100

Specification comparison

Specification comparison
Model	AlpinaB6 Cabrio (E64)4.4 V8	BentleyContinental GTC6.0 i W12 48V
Power	500hp373kW	560hp418kW
Torque	700Nm516lb-ft	650Nm479lb-ft
Curb weight	1,930kg4,255lb	2,495kg5,501lb
Gross weight	2,350kg5,181lb	2,910kg6,415lb
Top speed	Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph Calculated	314 km/h 195 mph
To 99% top speed	84.3s99% target: 317 km/h / 197 mph Calculated	99.0s99% target: 311 km/h / 193 mph Calculated
0-100 km/h	4.9s	5.1s
0-200 km/h	14.6s Calculated	16.3s Calculated
0-60 mph	4.7s Calculated	4.9s Calculated
Fuel consumption	12.8L/100 km18.4mpg US22.1mpg UK	-
Fuel consumption city	18.9L/100 km12.4mpg US14.9mpg UK	27.4L/100 km8.6mpg US10.3mpg UK
Fuel consumption highway	9.3L/100 km25.3mpg US30.4mpg UK	12.7L/100 km18.5mpg US22.2mpg UK
Quarter mile	12.8s Calculated	13.1s Calculated
Power-to-weight	259hp/t193kW/t118hp/1000 lb Calculated	224hp/t167kW/t102hp/1000 lb Calculated
Torque-to-weight	363Nm/t243lb-ft/ton Calculated	261Nm/t174lb-ft/ton Calculated
Estimated range	547km340mi Calculated	-
Displacement	4,398cc268cu in	5,998cc366cu in
Length	4,820mm190in	4,807mm189in
Width	1,855mm73in	1,918mm76in
Height	1,371mm54in	1,398mm55in
Wheelbase	2,780mm109in	2,745mm108in
Front track	1,558mm61in	1,623mm64in
Rear track	1,598mm63in	1,607mm63in
Max trunk volume	450L	235L
Doors	2	2
Seats	4	4
Fuel tank	70L	90L
CO2 emissions	306g/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.

Alpina B6 Cabrio (E64) 4.4 V8Bentley Continental GTC 6.0 i W12 48VPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
AlpinaB6 Cabrio (E64)4.4 V8	5,500 rpm	4,250 rpm	5,750 rpm
BentleyContinental GTC6.0 i W12 48V	6,100 rpm	1,650 rpm	6,350 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	AlpinaB6 Cabrio (E64)4.4 V8	BentleyContinental GTC6.0 i W12 48V
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.7 s	4.9 s
0-100 km/h 0-62 mph	4.9 s	5.1 s
0-200 km/h 0-124 mph	14.6 s	16.3 s
Top speed	Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph Likely limited	314 km/h 195 mph
	Drag race simulation
60 ft 18 m	2.2 s	2.2 s
330 ft 101 m	5.7 s	5.8 s
1/8 mile 201 m	8.5 s	8.6 s
1000 ft 305 m	10.9 s	11.1 s
1/4 mile 402 m	12.8 s	13.1 s
Trap speed 1/4 mile 402 m	187 km/h 116 mph	179 km/h 111 mph

Power comparison

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

Chart data table
Vehicle	Value
AlpinaB6 Cabrio (E64)4.4 V8	500 hp 373 kW
BentleyContinental GTC6.0 i W12 48V	560 hp 418 kW

Bentley Continental GTC 6.0 i W12 48V has 60 hp more than Alpina B6 Cabrio (E64) 4.4 V8.

The biggest power difference is between Alpina B6 Cabrio (E64) 4.4 V8 and Bentley Continental GTC 6.0 i W12 48V: 60 hp (45 kW).

Torque comparison

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

Chart data table
Vehicle	Value
AlpinaB6 Cabrio (E64)4.4 V8	700 Nm 516 lb-ft
BentleyContinental GTC6.0 i W12 48V	650 Nm 479 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
AlpinaB6 Cabrio (E64)4.4 V8	1,930 kg 4,255 lb
BentleyContinental GTC6.0 i W12 48V	2,495 kg 5,501 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
AlpinaB6 Cabrio (E64)4.4 V8	Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph
BentleyContinental GTC6.0 i W12 48V	314 km/h 195 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
AlpinaB6 Cabrio (E64)4.4 V8	4.9 s
BentleyContinental GTC6.0 i W12 48V	5.1 s

Although Bentley Continental GTC 6.0 i W12 48V has more power, Alpina B6 Cabrio (E64) 4.4 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Alpina B6 Cabrio (E64) 4.4 V8 and Bentley Continental GTC 6.0 i W12 48V: 0.2 s.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
AlpinaB6 Cabrio (E64)4.4 V8	259 hp/t 193 kW/t 3.9 kg/hp
BentleyContinental GTC6.0 i W12 48V	224 hp/t 167 kW/t 4.5 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
AlpinaB6 Cabrio (E64)4.4 V8	500 hp 373 kW	4.9 s	Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph
BentleyContinental GTC6.0 i W12 48V	560 hp 418 kW	5.1 s	314 km/h 195 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

AlpinaB6 Cabrio (E64)4.4 V8

Power	500 hp 373 kW
0-100 km/h	4.9 s
Top speed Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph

Doors/seats	2 doors 4 seats
Trunk	450 L 15.9 cu ft
Length	4,820 mm 189.8 in
Height	1,371 mm 54.0 in

BentleyContinental GTC6.0 i W12 48V

Power	560 hp 418 kW
0-100 km/h	5.1 s
Top speed 314 km/h 195 mph

Doors/seats	2 doors 4 seats
Trunk	235 L 8.3 cu ft
Length	4,807 mm 189.3 in
Height	1,398 mm 55.0 in

Detailed score breakdown

Vehicle

AlpinaB6 Cabrio (E64)4.4 V8

BentleyContinental GTC6.0 i W12 48V

Power

500 hp

373 kW

560 hp

418 kW

Torque

700 Nm

516 lb-ft

650 Nm

479 lb-ft

Acceleration

4.9 s

5.1 s

Top speed

Unrestricted

320 km/h199 mph

Restricted

310 km/h193 mph

314 km/h

195 mph

Lightness

1,930 kg

4,255 lb

2,495 kg

5,501 lb

Fuel consumption

12.8 L/100 km

18.4 mpg US

22.1 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	450 L 15.9 cu ft
Length	4,820 mm 189.8 in
Height	1,371 mm 54.0 in

Doors/seats	2 doors 4 seats
Trunk	235 L 8.3 cu ft
Length	4,807 mm 189.3 in
Height	1,398 mm 55.0 in

Range score

547 km

340 mi

CO2 score

306 g/km

Trunk score

450 L

15.9 cu ft

235 L

8.3 cu ft

Power-to-weight score

259 hp/t

193 kW/t

3.9 kg/hp

224 hp/t

167 kW/t

4.5 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	Alpina B6 Cabrio (E64) 4.4 V8
Consumption	12.8 L/100 km18.4 mpg US22.1 mpg UK
Cost / 100 km	22.40 LC100 km
Cost / 100 mi	36.05 LC100 mi
Annual fuel used	1,920 L507 US gal422 UK gal
Annual fuel cost	3,360 LC/year