Car comparison

Bentley Flying Spur III 6.0 W12vsAUDI S8 (D5) · Facelift 2021 4.0 TFSI V8

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

New comparison

Bentley Flying Spur III

6.0 W12

635 hp5950 ccGasolineAWDAutomaticTwin-turboSedan2019-2024

AUDI S8 (D5) · Facelift 2021

4.0 TFSI V8

571 hp3996 ccGasolineAWDAutomaticTwin-turboSedan2021-present

Comparison overview

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

AUDI S8 (D5) Facelift 2021 4.0 TFSI V8

Lightest
2,220 kg
4,894 lb
Lowest combined fuel consumption
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
Lowest city consumption
15.1 L/100 km
15.6 mpg US
18.7 mpg UK
Lowest highway consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Best estimated range
759 km
472 mi
Largest trunk
505 L
Best economy score
78/100
Best practicality score
76/100

Bentley Flying Spur III 6.0 W12

Quickest 0-100 km/h
3.8 s
Fastest top speed
333 km/h
207 mph
Most powerful
635 hp
474 kW
Highest torque
900 Nm
664 lb-ft
Best power-to-weight
261 hp/t
194 kW/t
3.8 kg/hp
Best overall score
83/100
Best performance score
89/100

Specification comparison

Specification comparison
Model	BentleyFlying Spur III6.0 W12	AUDIS8 (D5)Facelift 20214.0 TFSI V8
Power	635hp474kW	571hp426kW
Torque	900Nm664lb-ft	800Nm590lb-ft
Curb weight	2,437kg5,373lb	2,220kg4,894lb
Gross weight	3,000kg6,614lb	2,835kg6,250lb
Top speed	333 km/h 207 mph	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	50.4s99% target: 330 km/h / 205 mph Calculated	36.7s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	3.8s	3.8s
0-200 km/h	9.9s Calculated	11.2s Calculated
0-60 mph	3.6s Calculated	3.6s Calculated
Fuel consumption	13.3L/100 km17.7mpg US21.2mpg UK	10.8L/100 km21.8mpg US26.2mpg UK
Fuel consumption city	18.6L/100 km12.6mpg US15.2mpg UK	15.1L/100 km15.6mpg US18.7mpg UK
Fuel consumption highway	10.2L/100 km23.1mpg US27.7mpg UK	8.2L/100 km28.7mpg US34.4mpg UK
Quarter mile	11.3s Calculated	11.6s Calculated
Power-to-weight	261hp/t194kW/t118hp/1000 lb Calculated	257hp/t192kW/t117hp/1000 lb Calculated
Torque-to-weight	369Nm/t247lb-ft/ton Calculated	360Nm/t241lb-ft/ton Calculated
Estimated range	677km420mi Calculated	759km472mi Calculated
Displacement	5,950cc363cu in	3,996cc244cu in
Length	5,316mm209in	5,190mm204in
Width	1,987mm78in	1,945mm77in
Height	1,484mm58in	1,475mm58in
Wheelbase	3,194mm126in	2,998mm118in
Front track	-	1,629mm64in
Rear track	-	1,614mm64in
Trunk volume	420L	505L
Doors	4	4
Seats	4	5
Fuel tank	90L	82L

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 Flying Spur III 6.0 W12AUDI S8 (D5) Facelift 2021 4.0 TFSI V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BentleyFlying Spur III6.0 W12	5,000-6,000 rpm	1,350-4,500 rpm	6,250 rpm
AUDIS8 (D5)Facelift 20214.0 TFSI V8	6,000 rpm	2,050-4,500 rpm	6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BentleyFlying Spur III6.0 W12	AUDIS8 (D5)Facelift 20214.0 TFSI V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	3.6 s	3.6 s
0-100 km/h 0-62 mph	3.8 s	3.8 s
0-200 km/h 0-124 mph	9.9 s	11.2 s
0-200 mph 0-322 km/h	37.0 s	-
Top speed	333 km/h 207 mph	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Limited
	Drag race simulation
60 ft 18 m	2.1 s	2.1 s
330 ft 101 m	5.2 s	5.2 s
1/8 mile 201 m	7.6 s	7.7 s
1000 ft 305 m	9.7 s	9.8 s
1/4 mile 402 m	11.3 s	11.6 s
Trap speed 1/4 mile 402 m	217 km/h 135 mph	203 km/h 126 mph

Power comparison

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

Chart data table
Vehicle	Value
BentleyFlying Spur III6.0 W12	635 hp 474 kW
AUDIS8 (D5)Facelift 20214.0 TFSI V8	571 hp 426 kW

Bentley Flying Spur III 6.0 W12 has 64 hp more than AUDI S8 (D5) Facelift 2021 4.0 TFSI V8.

The biggest power difference is between AUDI S8 (D5) Facelift 2021 4.0 TFSI V8 and Bentley Flying Spur III 6.0 W12: 64 hp (48 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BentleyFlying Spur III6.0 W12	900 Nm 664 lb-ft
AUDIS8 (D5)Facelift 20214.0 TFSI V8	800 Nm 590 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BentleyFlying Spur III6.0 W12	2,437 kg 5,373 lb
AUDIS8 (D5)Facelift 20214.0 TFSI V8	2,220 kg 4,894 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
BentleyFlying Spur III6.0 W12	333 km/h 207 mph
AUDIS8 (D5)Facelift 20214.0 TFSI V8	Unrestricted 265 km/h165 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
Vehicle	Value
BentleyFlying Spur III6.0 W12	3.8 s
AUDIS8 (D5)Facelift 20214.0 TFSI V8	3.8 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
BentleyFlying Spur III6.0 W12	13.3 L/100 km 17.7 mpg US 21.2 mpg UK
AUDIS8 (D5)Facelift 20214.0 TFSI V8	10.8 L/100 km 21.8 mpg US 26.2 mpg UK

The biggest fuel consumption difference is between AUDI S8 (D5) Facelift 2021 4.0 TFSI V8 and Bentley Flying Spur III 6.0 W12: 2.5 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
BentleyFlying Spur III6.0 W12	261 hp/t 194 kW/t 3.8 kg/hp
AUDIS8 (D5)Facelift 20214.0 TFSI V8	257 hp/t 192 kW/t 3.9 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BentleyFlying Spur III6.0 W12	677 km 420 mi
AUDIS8 (D5)Facelift 20214.0 TFSI V8	759 km 472 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BentleyFlying Spur III6.0 W12	635 hp 474 kW	3.8 s	333 km/h 207 mph
AUDIS8 (D5)Facelift 20214.0 TFSI V8	571 hp 426 kW	3.8 s	Unrestricted 265 km/h165 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.

Vehicle

Performance score

Practicality score

BentleyFlying Spur III6.0 W12

Power	635 hp 474 kW
0-100 km/h	3.8 s
Top speed 333 km/h 207 mph

Doors/seats	4 doors 4 seats
Trunk	420 L 14.8 cu ft
Length	5,316 mm 209.3 in
Height	1,484 mm 58.4 in

AUDIS8 (D5)Facelift 20214.0 TFSI V8

Power	571 hp 426 kW
0-100 km/h	3.8 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	4 doors 5 seats
Trunk	505 L 17.8 cu ft
Length	5,190 mm 204.3 in
Height	1,475 mm 58.1 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

BentleyFlying Spur III6.0 W12

Power	635 hp 474 kW
0-100 km/h	3.8 s
Top speed 333 km/h 207 mph

13.3 L/100 km

17.7 mpg US

21.2 mpg UK

AUDIS8 (D5)Facelift 20214.0 TFSI V8

Power	571 hp 426 kW
0-100 km/h	3.8 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

10.8 L/100 km

21.8 mpg US

26.2 mpg UK

AUDI S8 (D5) Facelift 2021 4.0 TFSI 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BentleyFlying Spur III6.0 W12	13.3 L/100 km 17.7 mpg US 21.2 mpg UK	3.8 s
AUDIS8 (D5)Facelift 20214.0 TFSI V8	10.8 L/100 km 21.8 mpg US 26.2 mpg UK	3.8 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
BentleyFlying Spur III6.0 W12	261 hp/t 194 kW/t 3.8 kg/hp	13.3 L/100 km 17.7 mpg US 21.2 mpg UK
AUDIS8 (D5)Facelift 20214.0 TFSI V8	257 hp/t 192 kW/t 3.9 kg/hp	10.8 L/100 km 21.8 mpg US 26.2 mpg UK

Detailed score breakdown

Vehicle

BentleyFlying Spur III6.0 W12

AUDIS8 (D5)Facelift 20214.0 TFSI V8

Power

635 hp

474 kW

571 hp

426 kW

Torque

900 Nm

664 lb-ft

800 Nm

590 lb-ft

Acceleration

3.8 s

Top speed

333 km/h

207 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

2,437 kg

5,373 lb

2,220 kg

4,894 lb

Fuel consumption

13.3 L/100 km

17.7 mpg US

21.2 mpg UK

10.8 L/100 km

21.8 mpg US

26.2 mpg UK

Practicality

Doors/seats	4 doors 4 seats
Trunk	420 L 14.8 cu ft
Length	5,316 mm 209.3 in
Height	1,484 mm 58.4 in

Doors/seats	4 doors 5 seats
Trunk	505 L 17.8 cu ft
Length	5,190 mm 204.3 in
Height	1,475 mm 58.1 in

Range score

677 km

420 mi

759 km

472 mi

Trunk score

420 L

14.8 cu ft

505 L

17.8 cu ft

Power-to-weight score

261 hp/t

194 kW/t

3.8 kg/hp

257 hp/t

192 kW/t

3.9 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	Bentley Flying Spur III 6.0 W12	AUDI S8 (D5) Facelift 2021 4.0 TFSI V8
Consumption	13.3 L/100 km17.7 mpg US21.2 mpg UK	10.8 L/100 km21.8 mpg US26.2 mpg UK
Cost / 100 km	23.28 LC100 km	18.90 LC100 km
Cost / 100 mi	37.46 LC100 mi	30.42 LC100 mi
Annual fuel used	1,995 L527 US gal439 UK gal	1,620 L428 US gal356 UK gal
Annual fuel cost	3,491 LC/year	2,835 LC/year