Car comparison

Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6vsBentley Flying Spur II · Facelift 2015 S 4.0 V8

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

New comparison

Alfa Romeo Giulia (952)

Quadrifoglio 2.9 V6

510 hp2891 ccGasolineRWDManualTwin-turboSedan2016-2018
VS

Bentley Flying Spur II · Facelift 2015

S 4.0 V8

528 hp3993 ccGasolineAWDAutomaticTwin-turboSedan2016-2019

Comparison overview

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

Best choices

Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6

  • Quickest 0-100 km/h
    3.9 s
  • Fastest top speed
    307 km/h
    191 mph
  • Lightest
    1,580 kg
    3,483 lb
  • Best power-to-weight
    323 hp/t
    241 kW/t
    3.1 kg/hp
  • Lowest combined fuel consumption
    8.5 L/100 km
    27.7 mpg US
    33.2 mpg UK
  • Lowest city consumption
    12.8 L/100 km
    18.4 mpg US
    22.1 mpg UK
  • Lowest highway consumption
    6.1 L/100 km
    38.6 mpg US
    46.3 mpg UK
  • Lowest CO2 emissions
    198 g/km
  • Largest trunk
    480 L
  • Best overall score
    83/100
  • Best performance score
    89/100
  • Best economy score
    84/100

Specification comparison

Specification comparison
ModelAlfa RomeoGiulia (952)Quadrifoglio 2.9 V6BentleyFlying Spur IIFacelift 2015S 4.0 V8
Power
510hp380kW
528hp394kW
Torque
600Nm443lb-ft
680Nm502lb-ft
Curb weight
1,580kg3,483lb
2,417kg5,329lb
Gross weight-
2,972kg6,552lb
Top speed
307 km/h
191 mph
306 km/h
190 mph
To 99% top speed
38.5s99% target: 304 km/h / 189 mph
Calculated
59.5s99% target: 303 km/h / 188 mph
Calculated
0-100 km/h
3.9s
4.9s
0-200 km/h
9.8s
Calculated
13.4s
Calculated
0-60 mph
3.8s
Calculated
4.7s
Calculated
Fuel consumption
8.5L/100 km27.7mpg US33.2mpg UK
10.9L/100 km21.6mpg US25.9mpg UK
Fuel consumption city
12.8L/100 km18.4mpg US22.1mpg UK
15.9L/100 km14.8mpg US17.8mpg UK
Fuel consumption highway
6.1L/100 km38.6mpg US46.3mpg UK
8L/100 km29.4mpg US35.3mpg UK
Quarter mile
11.4s
Calculated
12.7s
Calculated
Power-to-weight
323hp/t241kW/t146hp/1000 lb
Calculated
218hp/t163kW/t99hp/1000 lb
Calculated
Torque-to-weight
380Nm/t254lb-ft/ton
Calculated
281Nm/t188lb-ft/ton
Calculated
Estimated range
682km424mi
Calculated
826km513mi
Calculated
Displacement
2,891cc176cu in
3,993cc244cu in
Length
4,639mm183in
5,299mm209in
Width
1,873mm74in
-
Height
1,426mm56in
1,488mm59in
Wheelbase
2,820mm111in
3,066mm121in
Front track
1,555mm61in
-
Rear track
1,607mm63in
-
Trunk volume
480L
475L
Doors
4
4
Seats
4
4
Fuel tank
58L
90L
CO2 emissions
198g/km
254g/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.

Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6Bentley Flying Spur II Facelift 2015 S 4.0 V8PowerTorque
  • Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6: Power / Torque
  • Bentley Flying Spur II Facelift 2015 S 4.0 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V66,500 rpm2,500 rpm6,750 rpm
BentleyFlying Spur IIFacelift 2015S 4.0 V86,000 rpm1,700 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlfa RomeoGiulia (952)Quadrifoglio 2.9 V6BentleyFlying Spur IIFacelift 2015S 4.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.8 s
4.7 s
0-100 km/h
0-62 mph
3.9 s
4.9 s
0-200 km/h
0-124 mph
9.8 s
13.4 s
Top speed
307 km/h
191 mph
306 km/h
190 mph
Drag race simulation
60 ft
18 m
2.2 s
2.4 s
330 ft
101 m
5.3 s
5.8 s
1/8 mile
201 m
7.7 s
8.5 s
1000 ft
305 m
9.7 s
10.8 s
1/4 mile
402 m
11.4 s
12.7 s
Trap speed
1/4 mile
402 m
218 km/h
136 mph
194 km/h
121 mph

Power comparison

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

Chart data table
VehicleValue
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6
510 hp
380 kW
BentleyFlying Spur IIFacelift 2015S 4.0 V8
528 hp
394 kW

Bentley Flying Spur II Facelift 2015 S 4.0 V8 has 18 hp more than Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6.

The biggest power difference is between Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 and Bentley Flying Spur II Facelift 2015 S 4.0 V8: 18 hp (13 kW).

Torque comparison

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

Chart data table
VehicleValue
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6
600 Nm
443 lb-ft
BentleyFlying Spur IIFacelift 2015S 4.0 V8
680 Nm
502 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6
1,580 kg
3,483 lb
BentleyFlying Spur IIFacelift 2015S 4.0 V8
2,417 kg
5,329 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6
307 km/h
191 mph
BentleyFlying Spur IIFacelift 2015S 4.0 V8
306 km/h
190 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V63.9 s
BentleyFlying Spur IIFacelift 2015S 4.0 V84.9 s

Although Bentley Flying Spur II Facelift 2015 S 4.0 V8 has more power, Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 and Bentley Flying Spur II Facelift 2015 S 4.0 V8: 1.0 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
BentleyFlying Spur IIFacelift 2015S 4.0 V8
10.9 L/100 km
21.6 mpg US
25.9 mpg UK

The biggest fuel consumption difference is between Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 and Bentley Flying Spur II Facelift 2015 S 4.0 V8: 2.4 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
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6
323 hp/t
241 kW/t
3.1 kg/hp
BentleyFlying Spur IIFacelift 2015S 4.0 V8
218 hp/t
163 kW/t
4.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6
682 km
424 mi
BentleyFlying Spur IIFacelift 2015S 4.0 V8
826 km
513 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6
510 hp
380 kW
3.9 s
307 km/h
191 mph
BentleyFlying Spur IIFacelift 2015S 4.0 V8
528 hp
394 kW
4.9 s
306 km/h
190 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
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6
Power
510 hp
380 kW
0-100 km/h3.9 s
Top speed
307 km/h
191 mph
Doors/seats
4 doors
4 seats
Trunk
480 L
17.0 cu ft
Length
4,639 mm
182.6 in
Height
1,426 mm
56.1 in
BentleyFlying Spur IIFacelift 2015S 4.0 V8
Power
528 hp
394 kW
0-100 km/h4.9 s
Top speed
306 km/h
190 mph
Doors/seats
4 doors
4 seats
Trunk
475 L
16.8 cu ft
Length
5,299 mm
208.6 in
Height
1,488 mm
58.6 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
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6
Power
510 hp
380 kW
0-100 km/h3.9 s
Top speed
307 km/h
191 mph
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
BentleyFlying Spur IIFacelift 2015S 4.0 V8
Power
528 hp
394 kW
0-100 km/h4.9 s
Top speed
306 km/h
190 mph
10.9 L/100 km
21.6 mpg US
25.9 mpg UK

Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 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
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
3.9 s
BentleyFlying Spur IIFacelift 2015S 4.0 V8
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
4.9 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
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6
323 hp/t
241 kW/t
3.1 kg/hp
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
BentleyFlying Spur IIFacelift 2015S 4.0 V8
218 hp/t
163 kW/t
4.6 kg/hp
10.9 L/100 km
21.6 mpg US
25.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlfa RomeoGiulia (952)Quadrifoglio 2.9 V6BentleyFlying Spur IIFacelift 2015S 4.0 V8
Power
510 hp
380 kW
528 hp
394 kW
Torque
600 Nm
443 lb-ft
680 Nm
502 lb-ft
Acceleration
3.9 s
4.9 s
Top speed
307 km/h
191 mph
306 km/h
190 mph
Lightness
1,580 kg
3,483 lb
2,417 kg
5,329 lb
Fuel consumption
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
Practicality
Doors/seats
4 doors
4 seats
Trunk
480 L
17.0 cu ft
Length
4,639 mm
182.6 in
Height
1,426 mm
56.1 in
Doors/seats
4 doors
4 seats
Trunk
475 L
16.8 cu ft
Length
5,299 mm
208.6 in
Height
1,488 mm
58.6 in
Range score
682 km
424 mi
826 km
513 mi
CO2 score
198 g/km
254 g/km
Trunk score
480 L
17.0 cu ft
475 L
16.8 cu ft
Power-to-weight score
323 hp/t
241 kW/t
3.1 kg/hp
218 hp/t
163 kW/t
4.6 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
VehicleAlfa Romeo Giulia (952) Quadrifoglio 2.9 V6Bentley Flying Spur II Facelift 2015 S 4.0 V8
Consumption8.5 L/100 km27.7 mpg US33.2 mpg UK10.9 L/100 km21.6 mpg US25.9 mpg UK
Cost / 100 km14.88 LC100 km19.08 LC100 km
Cost / 100 mi23.94 LC100 mi30.70 LC100 mi
Annual fuel used1,275 L337 US gal280 UK gal1,635 L432 US gal360 UK gal
Annual fuel cost2,231 LC/year2,861 LC/year

Head-to-head comparisons

Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6

  • Is 837 kg lighter
  • Is 1.0 s quicker from 0-100 km/h
  • Has 1 km/h (1 mph) higher top speed
  • Uses 2.4 L/100 km less fuel
  • Has 104 hp/t better power-to-weight
  • Has 5 L more trunk volume
  • Emits 56 g/km less CO2

Pros

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

Cons

  • Lowest power

Bentley Flying Spur II Facelift 2015 S 4.0 V8

  • Has 18 hp more
  • Has 80 Nm more
  • Has 143 km (89 mi) more estimated range

Pros

  • Most powerful
  • Highest torque
  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6
Bentley Flying Spur II S 4.0 V8
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2 vehicles selected

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Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 vs Bentley Flying Spur II · Facelift 2015 S 4.0 V8 - car comparison - FastVsFaster