Car comparison

Bentley Flying Spur III 4.0 V8vsAUDI 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

4.0 V8

550 hp3996 ccGasolineAWDDual-clutchTwin-turboSedan2020-2024

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

Quickest 0-100 km/h
3.8 s
Most powerful
571 hp
426 kW
Highest torque
800 Nm
590 lb-ft
Lightest
2,220 kg
4,894 lb
Best power-to-weight
257 hp/t
192 kW/t
3.9 kg/hp
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
Largest trunk
505 L
Best economy score
78/100
Best practicality score
76/100

Bentley Flying Spur III 4.0 V8

Fastest top speed
318 km/h
198 mph
Best estimated range
776 km
482 mi
Best overall score
83/100
Best performance score
89/100

Specification comparison

Specification comparison
Model	BentleyFlying Spur III4.0 V8	AUDIS8 (D5)Facelift 20214.0 TFSI V8
Power	550hp410kW	571hp426kW
Torque	770Nm568lb-ft	800Nm590lb-ft
Curb weight	2,330kg5,137lb	2,220kg4,894lb
Gross weight	2,980kg6,570lb	2,835kg6,250lb
Top speed	318 km/h 198 mph	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	53.3s99% target: 315 km/h / 196 mph Calculated	36.7s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	4.1s	3.8s
0-200 km/h	11.0s Calculated	11.2s Calculated
0-60 mph	3.9s Calculated	3.6s Calculated
Fuel consumption	11.6L/100 km20.3mpg US24.4mpg UK	10.8L/100 km21.8mpg US26.2mpg UK
Fuel consumption city	16.5L/100 km14.3mpg US17.1mpg UK	15.1L/100 km15.6mpg US18.7mpg UK
Fuel consumption highway	8.8L/100 km26.7mpg US32.1mpg UK	8.2L/100 km28.7mpg US34.4mpg UK
Quarter mile	11.8s Calculated	11.6s Calculated
Power-to-weight	236hp/t176kW/t107hp/1000 lb Calculated	257hp/t192kW/t117hp/1000 lb Calculated
Torque-to-weight	330Nm/t221lb-ft/ton Calculated	360Nm/t241lb-ft/ton Calculated
Estimated range	776km482mi Calculated	759km472mi Calculated
Displacement	3,996cc244cu in	3,996cc244cu in
Length	5,316mm209in	5,190mm204in
Width	2,013mm79in	1,945mm77in
Height	1,483mm58in	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 4.0 V8AUDI S8 (D5) Facelift 2021 4.0 TFSI V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BentleyFlying Spur III4.0 V8	6,000 rpm	2,000-4,500 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 III4.0 V8	AUDIS8 (D5)Facelift 20214.0 TFSI V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	3.9 s	3.6 s
0-100 km/h 0-62 mph	4.1 s	3.8 s
0-200 km/h 0-124 mph	11.0 s	11.2 s
Top speed	318 km/h 198 mph	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Limited
	Drag race simulation
60 ft 18 m	2.2 s	2.1 s
330 ft 101 m	5.4 s	5.2 s
1/8 mile 201 m	7.9 s	7.7 s
1000 ft 305 m	10.0 s	9.8 s
1/4 mile 402 m	11.8 s	11.6 s
Trap speed 1/4 mile 402 m	207 km/h 129 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 III4.0 V8	550 hp 410 kW
AUDIS8 (D5)Facelift 20214.0 TFSI V8	571 hp 426 kW

AUDI S8 (D5) Facelift 2021 4.0 TFSI V8 has 21 hp more than Bentley Flying Spur III 4.0 V8.

The biggest power difference is between Bentley Flying Spur III 4.0 V8 and AUDI S8 (D5) Facelift 2021 4.0 TFSI V8: 21 hp (16 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BentleyFlying Spur III4.0 V8	770 Nm 568 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 III4.0 V8	2,330 kg 5,137 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 III4.0 V8	318 km/h 198 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 III4.0 V8	4.1 s
AUDIS8 (D5)Facelift 20214.0 TFSI V8	3.8 s

The biggest 0-100 km/h difference is between AUDI S8 (D5) Facelift 2021 4.0 TFSI V8 and Bentley Flying Spur III 4.0 V8: 0.3 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 III4.0 V8	11.6 L/100 km 20.3 mpg US 24.4 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 4.0 V8: 0.8 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 III4.0 V8	236 hp/t 176 kW/t 4.2 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 III4.0 V8	776 km 482 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 III4.0 V8	550 hp 410 kW	4.1 s	318 km/h 198 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 III4.0 V8

Power	550 hp 410 kW
0-100 km/h	4.1 s
Top speed 318 km/h 198 mph

Doors/seats	4 doors 4 seats
Trunk	420 L 14.8 cu ft
Length	5,316 mm 209.3 in
Height	1,483 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 III4.0 V8

Power	550 hp 410 kW
0-100 km/h	4.1 s
Top speed 318 km/h 198 mph

11.6 L/100 km

20.3 mpg US

24.4 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

Bentley Flying Spur III 4.0 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 III4.0 V8	11.6 L/100 km 20.3 mpg US 24.4 mpg UK	4.1 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 III4.0 V8	236 hp/t 176 kW/t 4.2 kg/hp	11.6 L/100 km 20.3 mpg US 24.4 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 III4.0 V8

AUDIS8 (D5)Facelift 20214.0 TFSI V8

Power

550 hp

410 kW

571 hp

426 kW

Torque

770 Nm

568 lb-ft

800 Nm

590 lb-ft

Acceleration

4.1 s

3.8 s

Top speed

318 km/h

198 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

2,330 kg

5,137 lb

2,220 kg

4,894 lb

Fuel consumption

11.6 L/100 km

20.3 mpg US

24.4 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	1,483 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

776 km

482 mi

759 km

472 mi

Trunk score

420 L

14.8 cu ft

505 L

17.8 cu ft

Power-to-weight score

236 hp/t

176 kW/t

4.2 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 4.0 V8	AUDI S8 (D5) Facelift 2021 4.0 TFSI V8
Consumption	11.6 L/100 km20.3 mpg US24.4 mpg UK	10.8 L/100 km21.8 mpg US26.2 mpg UK
Cost / 100 km	20.30 LC100 km	18.90 LC100 km
Cost / 100 mi	32.67 LC100 mi	30.42 LC100 mi
Annual fuel used	1,740 L460 US gal383 UK gal	1,620 L428 US gal356 UK gal
Annual fuel cost	3,045 LC/year	2,835 LC/year