Car comparison

Bentley Continental GTC III 6.0 TSI W12vsBMW M8 Convertible (F91) 4.4 V8

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

New comparison

Bentley Continental GTC III

6.0 TSI W12

635 hp5950 ccGasolineAWDAutomaticTwin-turboCabriolet / convertible2019-2021
VS

BMW M8 Convertible (F91)

4.4 V8

600 hp4395 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2019-2022

Comparison overview

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

Best choices

BMW M8 Convertible (F91) 4.4 V8

  • Quickest 0-100 km/h
    3.4 s
  • Lightest
    2,010 kg
    4,431 lb
  • Best power-to-weight
    299 hp/t
    223 kW/t
    3.4 kg/hp
  • Lowest combined fuel consumption
    10.8 L/100 km
    21.8 mpg US
    26.2 mpg UK
  • Lowest city consumption
    15.2 L/100 km
    15.5 mpg US
    18.6 mpg UK
  • Lowest highway consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest CO2 emissions
    246 g/km
  • Largest trunk
    350 L
  • Best overall score
    75/100
  • Best economy score
    78/100
  • Best practicality score
    48/100

Specification comparison

Specification comparison
ModelBentleyContinental GTC III6.0 TSI W12BMWM8 Convertible (F91)4.4 V8
Power
635hp474kW
600hp447kW
Torque
900Nm664lb-ft
750Nm553lb-ft
Curb weight
2,414kg5,322lb
2,010kg4,431lb
Gross weight
2,865kg6,316lb
2,440kg5,379lb
Top speed
333 km/h
207 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
75.0s99% target: 330 km/h / 205 mph
Calculated
39.2s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.8s
3.4s
0-200 km/h
11.4s
Calculated
11.3s
0-60 mph
3.6s
Calculated
3.2s
Calculated
Fuel consumption
12.4L/100 km19mpg US22.8mpg UK
10.8L/100 km21.8mpg US26.2mpg UK
Fuel consumption city
17.5L/100 km13.4mpg US16.1mpg UK
15.2L/100 km15.5mpg US18.6mpg UK
Fuel consumption highway
9.5L/100 km24.8mpg US29.7mpg UK
8.2L/100 km28.7mpg US34.4mpg UK
Quarter mile
11.6s
Calculated
11.3s
Calculated
Power-to-weight
263hp/t196kW/t119hp/1000 lb
Calculated
299hp/t223kW/t135hp/1000 lb
Calculated
Torque-to-weight
373Nm/t249lb-ft/ton
Calculated
373Nm/t250lb-ft/ton
Calculated
Estimated range
726km451mi
Calculated
630km391mi
Calculated
Displacement
5,950cc363cu in
4,395cc268cu in
Length
4,850mm191in
4,867mm192in
Width
1,954mm77in
1,907mm75in
Height
1,399mm55in
1,353mm53in
Wheelbase
2,851mm112in
2,827mm111in
Front track
1,672mm66in
1,627mm64in
Rear track
1,664mm66in
1,632mm64in
Trunk volume
235L
-
Max trunk volume-
350L
Doors
2
2
Seats
4
4
Fuel tank
90L
68L
CO2 emissions
284g/km
246g/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 III 6.0 TSI W12BMW M8 Convertible (F91) 4.4 V8PowerTorque
  • Bentley Continental GTC III 6.0 TSI W12: Power / Torque
  • BMW M8 Convertible (F91) 4.4 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BentleyContinental GTC III6.0 TSI W126,000 rpm1,350-4,500 rpm6,250 rpm
BMWM8 Convertible (F91)4.4 V86,000 rpm1,800-5,600 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBentleyContinental GTC III6.0 TSI W12BMWM8 Convertible (F91)4.4 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
3.2 s
0-100 km/h
0-62 mph
3.8 s
3.4 s
0-200 km/h
0-124 mph
11.4 s
11.3 s
0-200 mph
0-322 km/h
52.6 s
-
Top speed
333 km/h
207 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
1.9 s
1.9 s
330 ft
101 m
5.1 s
4.9 s
1/8 mile
201 m
7.7 s
7.4 s
1000 ft
305 m
9.8 s
9.5 s
1/4 mile
402 m
11.6 s
11.3 s
Trap speed
1/4 mile
402 m
202 km/h
125 mph
200 km/h
124 mph

Power comparison

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

Chart data table
VehicleValue
BentleyContinental GTC III6.0 TSI W12
635 hp
474 kW
BMWM8 Convertible (F91)4.4 V8
600 hp
447 kW

Bentley Continental GTC III 6.0 TSI W12 has 35 hp more than BMW M8 Convertible (F91) 4.4 V8.

The biggest power difference is between BMW M8 Convertible (F91) 4.4 V8 and Bentley Continental GTC III 6.0 TSI W12: 35 hp (26 kW).

Torque comparison

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

Chart data table
VehicleValue
BentleyContinental GTC III6.0 TSI W12
900 Nm
664 lb-ft
BMWM8 Convertible (F91)4.4 V8
750 Nm
553 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BentleyContinental GTC III6.0 TSI W12
2,414 kg
5,322 lb
BMWM8 Convertible (F91)4.4 V8
2,010 kg
4,431 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 III6.0 TSI W12
333 km/h
207 mph
BMWM8 Convertible (F91)4.4 V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BentleyContinental GTC III6.0 TSI W123.8 s
BMWM8 Convertible (F91)4.4 V83.4 s

Although Bentley Continental GTC III 6.0 TSI W12 has more power, BMW M8 Convertible (F91) 4.4 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW M8 Convertible (F91) 4.4 V8 and Bentley Continental GTC III 6.0 TSI W12: 0.4 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 III6.0 TSI W12
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
BMWM8 Convertible (F91)4.4 V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK

The biggest fuel consumption difference is between BMW M8 Convertible (F91) 4.4 V8 and Bentley Continental GTC III 6.0 TSI W12: 1.6 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 III6.0 TSI W12
263 hp/t
196 kW/t
3.8 kg/hp
BMWM8 Convertible (F91)4.4 V8
299 hp/t
223 kW/t
3.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BentleyContinental GTC III6.0 TSI W12
726 km
451 mi
BMWM8 Convertible (F91)4.4 V8
630 km
391 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BentleyContinental GTC III6.0 TSI W12
635 hp
474 kW
3.8 s
333 km/h
207 mph
BMWM8 Convertible (F91)4.4 V8
600 hp
447 kW
3.4 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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 III6.0 TSI W12
Power
635 hp
474 kW
0-100 km/h3.8 s
Top speed
333 km/h
207 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
BMWM8 Convertible (F91)4.4 V8
Power
600 hp
447 kW
0-100 km/h3.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
350 L
12.4 cu ft
Length
4,867 mm
191.6 in
Height
1,353 mm
53.3 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 III6.0 TSI W12
Power
635 hp
474 kW
0-100 km/h3.8 s
Top speed
333 km/h
207 mph
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
BMWM8 Convertible (F91)4.4 V8
Power
600 hp
447 kW
0-100 km/h3.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.8 L/100 km
21.8 mpg US
26.2 mpg UK

BMW M8 Convertible (F91) 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 III6.0 TSI W12
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
3.8 s
BMWM8 Convertible (F91)4.4 V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
3.4 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 III6.0 TSI W12
263 hp/t
196 kW/t
3.8 kg/hp
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
BMWM8 Convertible (F91)4.4 V8
299 hp/t
223 kW/t
3.4 kg/hp
10.8 L/100 km
21.8 mpg US
26.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBentleyContinental GTC III6.0 TSI W12BMWM8 Convertible (F91)4.4 V8
Power
635 hp
474 kW
600 hp
447 kW
Torque
900 Nm
664 lb-ft
750 Nm
553 lb-ft
Acceleration
3.8 s
3.4 s
Top speed
333 km/h
207 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,414 kg
5,322 lb
2,010 kg
4,431 lb
Fuel consumption
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
10.8 L/100 km
21.8 mpg US
26.2 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
350 L
12.4 cu ft
Length
4,867 mm
191.6 in
Height
1,353 mm
53.3 in
Range score
726 km
451 mi
630 km
391 mi
CO2 score
284 g/km
246 g/km
Trunk score
235 L
8.3 cu ft
350 L
12.4 cu ft
Power-to-weight score
263 hp/t
196 kW/t
3.8 kg/hp
299 hp/t
223 kW/t
3.4 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 III 6.0 TSI W12BMW M8 Convertible (F91) 4.4 V8
Consumption12.4 L/100 km19 mpg US22.8 mpg UK10.8 L/100 km21.8 mpg US26.2 mpg UK
Cost / 100 km21.70 LC100 km18.90 LC100 km
Cost / 100 mi34.92 LC100 mi30.42 LC100 mi
Annual fuel used1,860 L491 US gal409 UK gal1,620 L428 US gal356 UK gal
Annual fuel cost3,255 LC/year2,835 LC/year

Head-to-head comparisons

Bentley Continental GTC III 6.0 TSI W12

  • Has 35 hp more
  • Has 150 Nm more
  • Has 73 km/h (45 mph) higher top speed
  • Has 96 km (60 mi) more estimated range

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

BMW M8 Convertible (F91) 4.4 V8

  • Is 404 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Uses 1.6 L/100 km less fuel
  • Has 35 hp/t better power-to-weight
  • Has 115 L more trunk volume
  • Emits 38 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Bentley Continental GTC III 6.0 TSI W12
BMW M8 Convertible (F91) 4.4 V8
Compare selected cars
2 vehicles selected

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