Car comparison

Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6vsMercedes-Benz C-class (W205) · Facelift 2018 AMG C 63 S 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

Mercedes-Benz C-class (W205) · Facelift 2018

AMG C 63 S V8

510 hp3982 ccGasolineRWDAutomaticTwin-turboSedan2018-2021

Comparison overview

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

Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6

Quickest 0-100 km/h
3.9 s
Fastest top speed
307 km/h
191 mph
Most powerful
510 hp
380 kW
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
Best estimated range
682 km
424 mi
Largest trunk
480 L
Best economy score
84/100

Mercedes-Benz C-class (W205) Facelift 2018 AMG C 63 S V8

Highest torque
700 Nm
516 lb-ft
Best overall score
85/100
Best performance score
90/100
Best practicality score
73/100

Specification comparison

Specification comparison
Model	Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6	Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8
Power	510hp380kW	510hp380kW
Torque	600Nm443lb-ft	700Nm516lb-ft
Curb weight	1,580kg3,483lb	1,680kg3,704lb
Gross weight	-	2,180kg4,806lb
Top speed	307 km/h 191 mph	Unrestricted 305 km/h190 mph Restricted 290 km/h180 mph Calculated
To 99% top speed	38.5s99% target: 304 km/h / 189 mph Calculated	39.8s99% target: 302 km/h / 188 mph Calculated
0-100 km/h	3.9s	4.0s
0-200 km/h	9.8s Calculated	10.1s Calculated
0-60 mph	3.8s Calculated	3.8s Calculated
Fuel consumption	8.5L/100 km27.7mpg US33.2mpg UK	9.9L/100 km23.8mpg US28.5mpg UK
Fuel consumption city	12.8L/100 km18.4mpg US22.1mpg UK	13.5L/100 km17.4mpg US20.9mpg UK
Fuel consumption highway	6.1L/100 km38.6mpg US46.3mpg UK	7.9L/100 km29.8mpg US35.8mpg UK
Quarter mile	11.4s Calculated	11.5s Calculated
Power-to-weight	323hp/t241kW/t146hp/1000 lb Calculated	304hp/t226kW/t138hp/1000 lb Calculated
Torque-to-weight	380Nm/t254lb-ft/ton Calculated	417Nm/t279lb-ft/ton Calculated
Estimated range	682km424mi Calculated	667km414mi Calculated
Displacement	2,891cc176cu in	3,982cc243cu in
Length	4,639mm183in	4,757mm187in
Width	1,873mm74in	1,839mm72in
Height	1,426mm56in	1,426mm56in
Wheelbase	2,820mm111in	2,840mm112in
Front track	1,555mm61in	1,609mm63in
Rear track	1,607mm63in	-
Ground clearance	-	92mm4in
Trunk volume	480L	435L
Doors	4	4
Seats	4	5
Fuel tank	58L	66L
CO2 emissions	198g/km	227g/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 V6Mercedes-Benz C-class (W205) Facelift 2018 AMG C 63 S V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6	6,500 rpm	2,500 rpm	6,750 rpm
Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8	5,500-6,250 rpm	2,000-4,500 rpm	6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6	Mercedes-BenzC-class (W205)Facelift 2018AMG 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	10.1 s
Top speed	307 km/h 191 mph	Unrestricted 305 km/h190 mph Restricted 290 km/h180 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	9.8 s
1/4 mile 402 m	11.4 s	11.5 s
Trap speed 1/4 mile 402 m	218 km/h 136 mph	216 km/h 134 mph

Power comparison

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

Chart data table
Vehicle	Value
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6	510 hp 380 kW
Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8	510 hp 380 kW

Torque comparison

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

Chart data table
Vehicle	Value
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6	600 Nm 443 lb-ft
Mercedes-BenzC-class (W205)Facelift 2018AMG 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
Vehicle	Value
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6	1,580 kg 3,483 lb
Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8	1,680 kg 3,704 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
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6	307 km/h 191 mph
Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8	Unrestricted 305 km/h190 mph Restricted 290 km/h180 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6	3.9 s
Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8	4.0 s

The biggest 0-100 km/h difference is between Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 and Mercedes-Benz C-class (W205) Facelift 2018 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
Vehicle	Value
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6	8.5 L/100 km 27.7 mpg US 33.2 mpg UK
Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8	9.9 L/100 km 23.8 mpg US 28.5 mpg UK

The biggest fuel consumption difference is between Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6 and Mercedes-Benz C-class (W205) Facelift 2018 AMG C 63 S V8: 1.4 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6	323 hp/t 241 kW/t 3.1 kg/hp
Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8	304 hp/t 226 kW/t 3.3 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6	682 km 424 mi
Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8	667 km 414 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6	510 hp 380 kW	3.9 s	307 km/h 191 mph
Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8	510 hp 380 kW	4.0 s	Unrestricted 305 km/h190 mph Restricted 290 km/h180 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

Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6

Power	510 hp 380 kW
0-100 km/h	3.9 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

Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8

Power	510 hp 380 kW
0-100 km/h	4.0 s
Top speed Unrestricted 305 km/h190 mph Restricted 290 km/h180 mph

Doors/seats	4 doors 5 seats
Trunk	435 L 15.4 cu ft
Length	4,757 mm 187.3 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.

Vehicle

Performance score

Fuel economy score

Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6

Power	510 hp 380 kW
0-100 km/h	3.9 s
Top speed 307 km/h 191 mph

8.5 L/100 km

27.7 mpg US

33.2 mpg UK

Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8

Power	510 hp 380 kW
0-100 km/h	4.0 s
Top speed Unrestricted 305 km/h190 mph Restricted 290 km/h180 mph

9.9 L/100 km

23.8 mpg US

28.5 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
Vehicle	Fuel consumption, L/100 km	0-100 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
Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8	9.9 L/100 km 23.8 mpg US 28.5 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
Vehicle	Power-to-weight, hp/t	Fuel 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
Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8	304 hp/t 226 kW/t 3.3 kg/hp	9.9 L/100 km 23.8 mpg US 28.5 mpg UK

Detailed score breakdown

Vehicle

Alfa RomeoGiulia (952)Quadrifoglio 2.9 V6

Mercedes-BenzC-class (W205)Facelift 2018AMG 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

305 km/h190 mph

Restricted

290 km/h180 mph

Lightness

1,580 kg

3,483 lb

1,680 kg

3,704 lb

Fuel consumption

8.5 L/100 km

27.7 mpg US

33.2 mpg UK

9.9 L/100 km

23.8 mpg US

28.5 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 5 seats
Trunk	435 L 15.4 cu ft
Length	4,757 mm 187.3 in
Height	1,426 mm 56.1 in

Range score

682 km

424 mi

667 km

414 mi

CO2 score

198 g/km

227 g/km

Trunk score

480 L

17.0 cu ft

435 L

15.4 cu ft

Power-to-weight score

323 hp/t

241 kW/t

3.1 kg/hp

304 hp/t

226 kW/t

3.3 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	Alfa Romeo Giulia (952) Quadrifoglio 2.9 V6	Mercedes-Benz C-class (W205) Facelift 2018 AMG C 63 S V8
Consumption	8.5 L/100 km27.7 mpg US33.2 mpg UK	9.9 L/100 km23.8 mpg US28.5 mpg UK
Cost / 100 km	14.88 LC100 km	17.33 LC100 km
Cost / 100 mi	23.94 LC100 mi	27.88 LC100 mi
Annual fuel used	1,275 L337 US gal280 UK gal	1,485 L392 US gal327 UK gal
Annual fuel cost	2,231 LC/year	2,599 LC/year