Car comparison

Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 BiTurbovsMercedes-Benz C-class (W205) AMG C 63 S V8

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

New comparison
VS

Mercedes-Benz C-class (W205)

AMG C 63 S V8

510 hp3982 ccGasolineRWDAutomaticTwin-turboSedan2015-2018

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 BiTurbo

  • Quickest 0-100 km/h
    3.9 s
  • Fastest top speed
    307 km/h
    191 mph
  • Most powerful
    510 hp
    380 kW
  • Lightest
    1,620 kg
    3,571 lb
  • Best power-to-weight
    315 hp/t
    235 kW/t
    3.2 kg/hp
  • Largest trunk
    480 L
  • Best overall score
    83/100
  • Best performance score
    89/100

Mercedes-Benz C-class (W205) AMG C 63 S V8

  • Highest torque
    700 Nm
    516 lb-ft
  • Lowest combined fuel consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Lowest city consumption
    11.0 L/100 km
    21.4 mpg US
    25.7 mpg UK
  • Lowest highway consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Lowest CO2 emissions
    195 g/km
  • Best estimated range
    786 km
    488 mi
  • Best economy score
    84/100
  • Best practicality score
    73/100

Specification comparison

Specification comparison
ModelAlfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurboMercedes-BenzC-class (W205)AMG C 63 S V8
Power
510hp380kW
510hp380kW
Torque
600Nm443lb-ft
700Nm516lb-ft
Curb weight
1,620kg3,571lb
1,655kg3,649lb
Gross weight
2,150kg4,740lb
2,180kg4,806lb
Top speed
307 km/h
191 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
39.1s99% target: 304 km/h / 189 mph
Calculated
34.0s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
3.9s
4.0s
0-200 km/h
9.8s
Calculated
11.1s
Calculated
0-60 mph
3.8s
Calculated
3.8s
Calculated
Fuel consumption
9.2L/100 km25.6mpg US30.7mpg UK
8.4L/100 km28mpg US33.6mpg UK
Fuel consumption city
11.9L/100 km19.8mpg US23.7mpg UK
11L/100 km21.4mpg US25.7mpg UK
Fuel consumption highway
7.6L/100 km30.9mpg US37.2mpg UK
6.9L/100 km34.1mpg US40.9mpg UK
Quarter mile
11.4s
Calculated
11.7s
Calculated
Power-to-weight
315hp/t235kW/t143hp/1000 lb
Calculated
308hp/t230kW/t140hp/1000 lb
Calculated
Torque-to-weight
370Nm/t248lb-ft/ton
Calculated
423Nm/t283lb-ft/ton
Calculated
Estimated range
630km392mi
Calculated
786km488mi
Calculated
Displacement
2,891cc176cu in
3,982cc243cu in
Length
4,639mm183in
4,756mm187in
Width
1,874mm74in
1,839mm72in
Height
1,433mm56in
1,426mm56in
Wheelbase
2,820mm111in
2,840mm112in
Front track
1,555mm61in
1,609mm63in
Rear track
1,609mm63in
1,546mm61in
Trunk volume
480L
435L
Doors
4
4
Seats
4
5
Fuel tank
58L
66L
CO2 emissions
214g/km
195g/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 V6 BiTurboMercedes-Benz C-class (W205) AMG C 63 S V8PowerTorque
  • Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 BiTurbo: Power / Torque
  • Mercedes-Benz C-class (W205) AMG C 63 S V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbo6,500 rpm2,500 rpm6,750 rpm
Mercedes-BenzC-class (W205)AMG C 63 S V85,500-6,250 rpm1,750-4,500 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurboMercedes-BenzC-class (W205)AMG C 63 S V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.8 s
3.8 s
0-100 km/h
0-62 mph
3.9 s
4.0 s
0-200 km/h
0-124 mph
9.8 s
11.1 s
Top speed
307 km/h
191 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.3 s
5.4 s
1/8 mile
201 m
7.7 s
7.8 s
1000 ft
305 m
9.7 s
9.9 s
1/4 mile
402 m
11.4 s
11.7 s
Trap speed
1/4 mile
402 m
218 km/h
135 mph
205 km/h
127 mph

Power comparison

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

Chart data table
VehicleValue
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbo
510 hp
380 kW
Mercedes-BenzC-class (W205)AMG C 63 S V8
510 hp
380 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 BiTurbo
600 Nm
443 lb-ft
Mercedes-BenzC-class (W205)AMG C 63 S V8
700 Nm
516 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 BiTurbo
1,620 kg
3,571 lb
Mercedes-BenzC-class (W205)AMG C 63 S V8
1,655 kg
3,649 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 BiTurbo
307 km/h
191 mph
Mercedes-BenzC-class (W205)AMG C 63 S 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
VehicleValue
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbo3.9 s
Mercedes-BenzC-class (W205)AMG C 63 S V84.0 s

The biggest 0-100 km/h difference is between Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 BiTurbo and Mercedes-Benz C-class (W205) AMG C 63 S V8: 0.1 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 BiTurbo
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Mercedes-BenzC-class (W205)AMG C 63 S V8
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz C-class (W205) AMG C 63 S V8 and Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 BiTurbo: 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
VehicleValue
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbo
315 hp/t
235 kW/t
3.2 kg/hp
Mercedes-BenzC-class (W205)AMG C 63 S V8
308 hp/t
230 kW/t
3.2 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 BiTurbo
630 km
392 mi
Mercedes-BenzC-class (W205)AMG C 63 S V8
786 km
488 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 BiTurbo
510 hp
380 kW
3.9 s
307 km/h
191 mph
Mercedes-BenzC-class (W205)AMG C 63 S V8
510 hp
380 kW
4.0 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.

Chart data table
VehiclePerformance scorePracticality score
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbo
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
1,433 mm
56.4 in
Mercedes-BenzC-class (W205)AMG C 63 S V8
Power
510 hp
380 kW
0-100 km/h4.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
435 L
15.4 cu ft
Length
4,756 mm
187.2 in
Height
1,426 mm
56.1 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 BiTurbo
Power
510 hp
380 kW
0-100 km/h3.9 s
Top speed
307 km/h
191 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Mercedes-BenzC-class (W205)AMG C 63 S V8
Power
510 hp
380 kW
0-100 km/h4.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

Mercedes-Benz C-class (W205) AMG C 63 S 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
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbo
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
3.9 s
Mercedes-BenzC-class (W205)AMG C 63 S V8
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
4.0 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 BiTurbo
315 hp/t
235 kW/t
3.2 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Mercedes-BenzC-class (W205)AMG C 63 S V8
308 hp/t
230 kW/t
3.2 kg/hp
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurboMercedes-BenzC-class (W205)AMG C 63 S V8
Power
510 hp
380 kW
510 hp
380 kW
Torque
600 Nm
443 lb-ft
700 Nm
516 lb-ft
Acceleration
3.9 s
4.0 s
Top speed
307 km/h
191 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,620 kg
3,571 lb
1,655 kg
3,649 lb
Fuel consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
Practicality
Doors/seats
4 doors
4 seats
Trunk
480 L
17.0 cu ft
Length
4,639 mm
182.6 in
Height
1,433 mm
56.4 in
Doors/seats
4 doors
5 seats
Trunk
435 L
15.4 cu ft
Length
4,756 mm
187.2 in
Height
1,426 mm
56.1 in
Range score
630 km
392 mi
786 km
488 mi
CO2 score
214 g/km
195 g/km
Trunk score
480 L
17.0 cu ft
435 L
15.4 cu ft
Power-to-weight score
315 hp/t
235 kW/t
3.2 kg/hp
308 hp/t
230 kW/t
3.2 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 V6 BiTurboMercedes-Benz C-class (W205) AMG C 63 S V8
Consumption9.2 L/100 km25.6 mpg US30.7 mpg UK8.4 L/100 km28 mpg US33.6 mpg UK
Cost / 100 km16.10 LC100 km14.70 LC100 km
Cost / 100 mi25.91 LC100 mi23.66 LC100 mi
Annual fuel used1,380 L365 US gal304 UK gal1,260 L333 US gal277 UK gal
Annual fuel cost2,415 LC/year2,205 LC/year

Head-to-head comparisons

Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 BiTurbo

  • Is 35 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Has 42 km/h (26 mph) higher top speed
  • Has 7 hp/t better power-to-weight
  • Has 45 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Highest CO2 emissions

Mercedes-Benz C-class (W205) AMG C 63 S V8

  • Has 100 Nm more
  • Uses 0.8 L/100 km less fuel
  • Has 155 km (96 mi) more estimated range
  • Emits 19 g/km less CO2

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 BiTurbo
Mercedes-Benz C-class (W205) AMG C 63 S V8
Compare selected cars
2 vehicles selected

Popular comparisons

Quadrifoglio 2.9 V6 BiTurbo
Quadrifoglio 2.9 V6 Bi-Turbo
VS
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbovsAlfa RomeoGiulia (952)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo
AMG C 63 S V8
AMG C 63 AMG Edition 507 V8
VS
Mercedes-BenzC-class (W205)AMG C 63 S V8vsMercedes-BenzC-class (W204)Facelift 2011AMG C 63 AMG Edition 507 V8
Quadrifoglio 2.9 V6 BiTurbo
AMG C 63 S V8
VS
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbovsMercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8
Quadrifoglio 2.9 V6 BiTurbo
Performance 80.5 kWh
VS
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbovsTeslaModel 3Performance 80.5 kWh
AMG C 63 S V8
AMG C 63 V8
VS
Mercedes-BenzC-class (W205)AMG C 63 S V8vsMercedes-BenzC-class (W204)AMG C 63 V8
Quadrifoglio 2.9 V6 BiTurbo
Competition 3.0
VS
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbovsBMWM3 (G80)Competition 3.0
AMG C 63 S V8
AMG C 63 S V8
VS
Mercedes-BenzC-class (W205)AMG C 63 S V8vsMercedes-BenzC-class Coupe (C205)AMG C 63 S V8
Quadrifoglio 2.9 V6 BiTurbo
Trofeo 3.8 V8 GDI
VS
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbovsMaseratiGhibli III (M157)Facelift 2017Trofeo 3.8 V8 GDI
AMG C 63 S V8
AMG C 43
VS
Mercedes-BenzC-class (W205)AMG C 63 S V8vsMercedes-BenzC-class (W206)AMG C 43
Quadrifoglio 2.9 V6 BiTurbo
750i
VS
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbovsBMW7 Series (G11 LCI)Facelift 2019750i
AMG C 63 S V8
AMG C 63 AMG Edition 507 V8
VS
Mercedes-BenzC-class (W205)AMG C 63 S V8vsMercedes-BenzC-class Coupe (C204)Facelift 2011AMG C 63 AMG Edition 507 V8
Quadrifoglio 2.9 V6 BiTurbo
Performance 80.5 kWh
VS
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6 BiTurbovsTeslaModel 3Facelift 2020Performance 80.5 kWh
Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 BiTurbo vs Mercedes-Benz C-class (W205) AMG C 63 S V8 - car comparison - FastVsFaster