Car comparison

Bentley Continental GTC III Speed 6.0 TSI W12vsPorsche 911 Cabriolet (992) Turbo S 3.8

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

New comparison

Bentley Continental GTC III

Speed 6.0 TSI W12

659 hp5950 ccGasolineAWDDual-clutchTwin-turboCabriolet / convertible2021-2024
VS

Porsche 911 Cabriolet (992)

Turbo S 3.8

650 hp3745 ccGasolineAWDDual-clutchTwin-turboCabriolet / convertible2020-2024

Comparison overview

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

Best choices

Porsche 911 Cabriolet (992) Turbo S 3.8

  • Quickest 0-100 km/h
    2.8 s
  • Lightest
    1,710 kg
    3,770 lb
  • Best power-to-weight
    380 hp/t
    283 kW/t
    2.6 kg/hp
  • Best overall score
    76/100
  • Best performance score
    94/100
  • Best economy score
    77/100

Specification comparison

Specification comparison
ModelBentleyContinental GTC IIISpeed 6.0 TSI W12Porsche911 Cabriolet (992)Turbo S 3.8
Power
659hp491kW
650hp485kW
Torque
900Nm664lb-ft
800Nm590lb-ft
Curb weight
2,436kg5,370lb
1,710kg3,770lb
Gross weight
2,865kg6,316lb
2,080kg4,586lb
Top speed
335 km/h
208 mph
330 km/h
205 mph
To 99% top speed
77.6s99% target: 332 km/h / 206 mph
Calculated
70.3s99% target: 327 km/h / 203 mph
Calculated
0-100 km/h
3.7s
2.8s
0-200 km/h
11.3s
Calculated
9.3s
0-60 mph
3.5s
Calculated
2.7s
Calculated
Fuel consumption-
11.3L/100 km20.8mpg US25.0mpg UK
Fuel consumption city-
15.9L/100 km14.8mpg US17.8mpg UK
Fuel consumption highway-
8.6L/100 km27.4mpg US32.8mpg UK
Quarter mile
11.5s
Calculated
10.6s
Calculated
Power-to-weight
271hp/t202kW/t123hp/1000 lb
Calculated
380hp/t283kW/t172hp/1000 lb
Calculated
Torque-to-weight
369Nm/t247lb-ft/ton
Calculated
468Nm/t313lb-ft/ton
Calculated
Estimated range-
593km368mi
Calculated
Displacement
5,950cc363cu in
3,745cc229cu in
Length
4,850mm191in
4,535mm179in
Width
2,187mm86in
1,900mm75in
Height
1,399mm55in
1,301mm51in
Wheelbase
2,849mm112in
2,450mm96in
Front track-
1,583mm62in
Rear track-
1,600mm63in
Trunk volume
235L
128L
Doors
2
2
Seats
4
4
Fuel tank
90L
67L

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 III Speed 6.0 TSI W12Porsche 911 Cabriolet (992) Turbo S 3.8PowerTorque
  • Bentley Continental GTC III Speed 6.0 TSI W12: Power / Torque
  • Porsche 911 Cabriolet (992) Turbo S 3.8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BentleyContinental GTC IIISpeed 6.0 TSI W125,000-6,000 rpm1,500-5,000 rpm6,250 rpm
Porsche911 Cabriolet (992)Turbo S 3.86,750 rpm2,500-4,000 rpm7,200 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBentleyContinental GTC IIISpeed 6.0 TSI W12Porsche911 Cabriolet (992)Turbo S 3.8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.5 s
2.7 s
0-100 km/h
0-62 mph
3.7 s
2.8 s
0-200 km/h
0-124 mph
11.3 s
9.3 s
0-200 mph
0-322 km/h
51.1 s
53.4 s
Top speed
335 km/h
208 mph
330 km/h
205 mph
Drag race simulation
60 ft
18 m
1.9 s
1.6 s
330 ft
101 m
5.0 s
4.5 s
1/8 mile
201 m
7.6 s
6.8 s
1000 ft
305 m
9.7 s
8.9 s
1/4 mile
402 m
11.5 s
10.6 s
Trap speed
1/4 mile
402 m
202 km/h
126 mph
212 km/h
132 mph

Power comparison

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

Bentley Continental GTC III Speed 6.0 TSI W12 has 9 hp more than Porsche 911 Cabriolet (992) Turbo S 3.8.

The biggest power difference is between Porsche 911 Cabriolet (992) Turbo S 3.8 and Bentley Continental GTC III Speed 6.0 TSI W12: 9 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
BentleyContinental GTC IIISpeed 6.0 TSI W12
900 Nm
664 lb-ft
Porsche911 Cabriolet (992)Turbo S 3.8
800 Nm
590 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BentleyContinental GTC IIISpeed 6.0 TSI W12
2,436 kg
5,370 lb
Porsche911 Cabriolet (992)Turbo S 3.8
1,710 kg
3,770 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 IIISpeed 6.0 TSI W12
335 km/h
208 mph
Porsche911 Cabriolet (992)Turbo S 3.8
330 km/h
205 mph

0-100 km/h comparison

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

Although Bentley Continental GTC III Speed 6.0 TSI W12 has more power, Porsche 911 Cabriolet (992) Turbo S 3.8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 Cabriolet (992) Turbo S 3.8 and Bentley Continental GTC III Speed 6.0 TSI W12: 0.9 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
BentleyContinental GTC IIISpeed 6.0 TSI W12
271 hp/t
202 kW/t
3.7 kg/hp
Porsche911 Cabriolet (992)Turbo S 3.8
380 hp/t
283 kW/t
2.6 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BentleyContinental GTC IIISpeed 6.0 TSI W12
659 hp
491 kW
3.7 s
335 km/h
208 mph
Porsche911 Cabriolet (992)Turbo S 3.8
650 hp
485 kW
2.8 s
330 km/h
205 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 IIISpeed 6.0 TSI W12
Power
659 hp
491 kW
0-100 km/h3.7 s
Top speed
335 km/h
208 mph
Doors/seats
2 doors
4 seats
Trunk
235 L
8.3 cu ft
Length
4,850 mm
190.9 in
Height
1,399 mm
55.1 in
Porsche911 Cabriolet (992)Turbo S 3.8
Power
650 hp
485 kW
0-100 km/h2.8 s
Top speed
330 km/h
205 mph
Doors/seats
2 doors
4 seats
Trunk
128 L
4.5 cu ft
Length
4,535 mm
178.5 in
Height
1,301 mm
51.2 in

Detailed score breakdown

Detailed score breakdown
VehicleBentleyContinental GTC IIISpeed 6.0 TSI W12Porsche911 Cabriolet (992)Turbo S 3.8
Power
659 hp
491 kW
650 hp
485 kW
Torque
900 Nm
664 lb-ft
800 Nm
590 lb-ft
Acceleration
3.7 s
2.8 s
Top speed
335 km/h
208 mph
330 km/h
205 mph
Lightness
2,436 kg
5,370 lb
1,710 kg
3,770 lb
Fuel consumption
-
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
235 L
8.3 cu ft
Length
4,850 mm
190.9 in
Height
1,399 mm
55.1 in
Doors/seats
2 doors
4 seats
Trunk
128 L
4.5 cu ft
Length
4,535 mm
178.5 in
Height
1,301 mm
51.2 in
Range score
-
593 km
368 mi
Trunk score
235 L
8.3 cu ft
128 L
4.5 cu ft
Power-to-weight score
271 hp/t
202 kW/t
3.7 kg/hp
380 hp/t
283 kW/t
2.6 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
VehiclePorsche 911 Cabriolet (992) Turbo S 3.8
Consumption11.3 L/100 km20.8 mpg US25 mpg UK
Cost / 100 km19.78 LC100 km
Cost / 100 mi31.82 LC100 mi
Annual fuel used1,695 L448 US gal373 UK gal
Annual fuel cost2,966 LC/year

Head-to-head comparisons

Bentley Continental GTC III Speed 6.0 TSI W12

  • Has 9 hp more
  • Has 100 Nm more
  • Has 5 km/h (3 mph) higher top speed
  • Has 107 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest

Porsche 911 Cabriolet (992) Turbo S 3.8

  • Is 726 kg lighter
  • Is 0.9 s quicker from 0-100 km/h
  • Has 110 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

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Model
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Engine or modification
Bentley Continental GTC III Speed 6.0 TSI W12
Porsche 911 Cabriolet (992) Turbo S 3.8
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Bentley Continental GTC III Speed 6.0 TSI W12 vs Porsche 911 Cabriolet (992) Turbo S 3.8 - car comparison - FastVsFaster