Car comparison

Bentley Continental GTC II Speed 6.0 W12vsAlpina B6 Cabrio (F12) 4.4 V8

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

New comparison

Bentley Continental GTC II

Speed 6.0 W12

616 hp5998 ccGasolineAWDAutomaticTwin-turboCabriolet / convertible2012-2015
VS

Alpina B6 Cabrio (F12)

4.4 V8

540 hp4395 ccGasolineRWDAutomaticTwin-turboCabriolet / convertible2012-2015

Comparison overview

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

Best choices

Alpina B6 Cabrio (F12) 4.4 V8

  • Lightest
    2,020 kg
    4,453 lb
  • Best power-to-weight
    267 hp/t
    199 kW/t
    3.7 kg/hp
  • Lowest combined fuel consumption
    9.6 L/100 km
    24.5 mpg US
    29.4 mpg UK
  • Lowest city consumption
    13.2 L/100 km
    17.8 mpg US
    21.4 mpg UK
  • Lowest highway consumption
    7.5 L/100 km
    31.4 mpg US
    37.7 mpg UK
  • Lowest CO2 emissions
    224 g/km
  • Best estimated range
    729 km
    453 mi
  • Best performance score
    88/100
  • Best economy score
    81/100

Bentley Continental GTC II Speed 6.0 W12

  • Quickest 0-100 km/h
    4.4 s
  • Fastest top speed
    327 km/h
    203 mph
  • Most powerful
    616 hp
    459 kW
  • Highest torque
    800 Nm
    590 lb-ft
  • Best overall score
    74/100
  • Best practicality score
    49/100

Specification comparison

Specification comparison
ModelBentleyContinental GTC IISpeed 6.0 W12AlpinaB6 Cabrio (F12)4.4 V8
Power
616hp459kW
540hp403kW
Torque
800Nm590lb-ft
730Nm538lb-ft
Curb weight
2,495kg5,501lb
2,020kg4,453lb
Gross weight
2,900kg6,393lb
2,430kg5,357lb
Top speed
327 km/h
203 mph
317 km/h
197 mph
To 99% top speed
87.5s99% target: 324 km/h / 201 mph
Calculated
74.9s99% target: 314 km/h / 195 mph
Calculated
0-100 km/h
4.4s
4.4s
0-200 km/h
13.5s
Calculated
13.2s
Calculated
0-60 mph
4.2s
Calculated
4.2s
Calculated
Fuel consumption
14.9L/100 km15.8mpg US19.0mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Fuel consumption city
22.7L/100 km10.4mpg US12.4mpg UK
13.2L/100 km17.8mpg US21.4mpg UK
Fuel consumption highway
10.4L/100 km22.6mpg US27.2mpg UK
7.5L/100 km31.4mpg US37.7mpg UK
Quarter mile
12.4s
Calculated
12.3s
Calculated
Power-to-weight
247hp/t184kW/t112hp/1000 lb
Calculated
267hp/t199kW/t121hp/1000 lb
Calculated
Torque-to-weight
321Nm/t215lb-ft/ton
Calculated
361Nm/t242lb-ft/ton
Calculated
Estimated range
604km375mi
Calculated
729km453mi
Calculated
Displacement
5,998cc366cu in
4,395cc268cu in
Length
4,806mm189in
4,894mm193in
Width
1,944mm77in
1,894mm75in
Height
1,394mm55in
1,373mm54in
Wheelbase
2,746mm108in
2,855mm112in
Front track
1,664mm66in
1,594mm63in
Rear track
1,655mm65in
1,637mm64in
Trunk volume-
300L
Max trunk volume-
350L
Doors
2
2
Seats
4
4
Fuel tank
90L
70L
CO2 emissions
347g/km
224g/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.

Bentley Continental GTC II Speed 6.0 W12Alpina B6 Cabrio (F12) 4.4 V8PowerTorque
  • Bentley Continental GTC II Speed 6.0 W12: Power / Torque
  • Alpina B6 Cabrio (F12) 4.4 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BentleyContinental GTC IISpeed 6.0 W126,000 rpm2,000 rpm6,250 rpm
AlpinaB6 Cabrio (F12)4.4 V85,200-6,250 rpm2,800-5,000 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBentleyContinental GTC IISpeed 6.0 W12AlpinaB6 Cabrio (F12)4.4 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.2 s
4.2 s
0-100 km/h
0-62 mph
4.4 s
4.4 s
0-200 km/h
0-124 mph
13.5 s
13.2 s
0-200 mph
0-322 km/h
77.5 s
-
Top speed
327 km/h
203 mph
317 km/h
197 mph
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.4 s
5.5 s
1/8 mile
201 m
8.1 s
8.1 s
1000 ft
305 m
10.4 s
10.4 s
1/4 mile
402 m
12.4 s
12.3 s
Trap speed
1/4 mile
402 m
191 km/h
119 mph
193 km/h
120 mph

Power comparison

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

Chart data table
VehicleValue
BentleyContinental GTC IISpeed 6.0 W12
616 hp
459 kW
AlpinaB6 Cabrio (F12)4.4 V8
540 hp
403 kW

Bentley Continental GTC II Speed 6.0 W12 has 76 hp more than Alpina B6 Cabrio (F12) 4.4 V8.

The biggest power difference is between Alpina B6 Cabrio (F12) 4.4 V8 and Bentley Continental GTC II Speed 6.0 W12: 76 hp (57 kW).

Torque comparison

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

Chart data table
VehicleValue
BentleyContinental GTC IISpeed 6.0 W12
800 Nm
590 lb-ft
AlpinaB6 Cabrio (F12)4.4 V8
730 Nm
538 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BentleyContinental GTC IISpeed 6.0 W12
2,495 kg
5,501 lb
AlpinaB6 Cabrio (F12)4.4 V8
2,020 kg
4,453 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
BentleyContinental GTC IISpeed 6.0 W12
327 km/h
203 mph
AlpinaB6 Cabrio (F12)4.4 V8
317 km/h
197 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BentleyContinental GTC IISpeed 6.0 W124.4 s
AlpinaB6 Cabrio (F12)4.4 V84.4 s

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
BentleyContinental GTC IISpeed 6.0 W12
14.9 L/100 km
15.8 mpg US
19.0 mpg UK
AlpinaB6 Cabrio (F12)4.4 V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

The biggest fuel consumption difference is between Alpina B6 Cabrio (F12) 4.4 V8 and Bentley Continental GTC II Speed 6.0 W12: 5.3 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
BentleyContinental GTC IISpeed 6.0 W12
247 hp/t
184 kW/t
4.1 kg/hp
AlpinaB6 Cabrio (F12)4.4 V8
267 hp/t
199 kW/t
3.7 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BentleyContinental GTC IISpeed 6.0 W12
604 km
375 mi
AlpinaB6 Cabrio (F12)4.4 V8
729 km
453 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BentleyContinental GTC IISpeed 6.0 W12
616 hp
459 kW
4.4 s
327 km/h
203 mph
AlpinaB6 Cabrio (F12)4.4 V8
540 hp
403 kW
4.4 s
317 km/h
197 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
BentleyContinental GTC IISpeed 6.0 W12
Power
616 hp
459 kW
0-100 km/h4.4 s
Top speed
327 km/h
203 mph
Doors/seats
2 doors
4 seats
Trunk-
Length
4,806 mm
189.2 in
Height
1,394 mm
54.9 in
AlpinaB6 Cabrio (F12)4.4 V8
Power
540 hp
403 kW
0-100 km/h4.4 s
Top speed
317 km/h
197 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,894 mm
192.7 in
Height
1,373 mm
54.1 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
BentleyContinental GTC IISpeed 6.0 W12
Power
616 hp
459 kW
0-100 km/h4.4 s
Top speed
327 km/h
203 mph
14.9 L/100 km
15.8 mpg US
19.0 mpg UK
AlpinaB6 Cabrio (F12)4.4 V8
Power
540 hp
403 kW
0-100 km/h4.4 s
Top speed
317 km/h
197 mph
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

Alpina B6 Cabrio (F12) 4.4 V8 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
VehicleFuel consumption, L/100 km0-100 km/h, s
BentleyContinental GTC IISpeed 6.0 W12
14.9 L/100 km
15.8 mpg US
19.0 mpg UK
4.4 s
AlpinaB6 Cabrio (F12)4.4 V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
4.4 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
BentleyContinental GTC IISpeed 6.0 W12
247 hp/t
184 kW/t
4.1 kg/hp
14.9 L/100 km
15.8 mpg US
19.0 mpg UK
AlpinaB6 Cabrio (F12)4.4 V8
267 hp/t
199 kW/t
3.7 kg/hp
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBentleyContinental GTC IISpeed 6.0 W12AlpinaB6 Cabrio (F12)4.4 V8
Power
616 hp
459 kW
540 hp
403 kW
Torque
800 Nm
590 lb-ft
730 Nm
538 lb-ft
Acceleration
4.4 s
4.4 s
Top speed
327 km/h
203 mph
317 km/h
197 mph
Lightness
2,495 kg
5,501 lb
2,020 kg
4,453 lb
Fuel consumption
14.9 L/100 km
15.8 mpg US
19.0 mpg UK
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk-
Length
4,806 mm
189.2 in
Height
1,394 mm
54.9 in
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,894 mm
192.7 in
Height
1,373 mm
54.1 in
Range score
604 km
375 mi
729 km
453 mi
CO2 score
347 g/km
224 g/km
Trunk score
-
300 L
10.6 cu ft
Power-to-weight score
247 hp/t
184 kW/t
4.1 kg/hp
267 hp/t
199 kW/t
3.7 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

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
VehicleBentley Continental GTC II Speed 6.0 W12Alpina B6 Cabrio (F12) 4.4 V8
Consumption14.9 L/100 km15.8 mpg US19 mpg UK9.6 L/100 km24.5 mpg US29.4 mpg UK
Cost / 100 km26.08 LC100 km16.80 LC100 km
Cost / 100 mi41.96 LC100 mi27.04 LC100 mi
Annual fuel used2,235 L590 US gal492 UK gal1,440 L380 US gal317 UK gal
Annual fuel cost3,911 LC/year2,520 LC/year

Head-to-head comparisons

Bentley Continental GTC II Speed 6.0 W12

  • Has 76 hp more
  • Has 70 Nm more
  • Has 10 km/h (6 mph) higher top speed

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

Alpina B6 Cabrio (F12) 4.4 V8

  • Is 475 kg lighter
  • Uses 5.3 L/100 km less fuel
  • Has 20 hp/t better power-to-weight
  • Has 125 km (78 mi) more estimated range
  • Emits 123 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Bentley Continental GTC II Speed 6.0 W12
Alpina B6 Cabrio (F12) 4.4 V8
Compare selected cars
2 vehicles selected

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