Car comparison

Alfa Romeo Giulia (952) · Facelift 2022 Quadrifoglio 2.9 V6 Bi-TurbovsMercedes-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) · Facelift 2022

Quadrifoglio 2.9 V6 Bi-Turbo

520 hp2891 ccGasolineRWDAutomaticTwin-turboSedan2023-present

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) Facelift 2022 Quadrifoglio 2.9 V6 Bi-Turbo

Quickest 0-100 km/h
3.9 s
Fastest top speed
308 km/h
191 mph
Most powerful
520 hp
388 kW
Lightest
1,660 kg
3,660 lb
Best power-to-weight
313 hp/t
234 kW/t
3.2 kg/hp
Best overall score
85/100
Best economy score
80/100
Best practicality score
77/100

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

Highest torque
700 Nm
516 lb-ft
Lowest combined fuel consumption
9.9 L/100 km
23.8 mpg US
28.5 mpg UK
Best estimated range
667 km
414 mi
Best performance score
90/100

Specification comparison

Specification comparison
Model	Alfa RomeoGiulia (952)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8
Power	520hp388kW	510hp380kW
Torque	600Nm443lb-ft	700Nm516lb-ft
Curb weight	1,660kg3,660lb	1,680kg3,704lb
Gross weight	-	2,180kg4,806lb
Top speed	308 km/h 191 mph	Unrestricted 305 km/h190 mph Restricted 290 km/h180 mph Calculated
To 99% top speed	39.4s99% target: 305 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	10.1L/100 km23.3mpg US28.0mpg UK	9.9L/100 km23.8mpg US28.5mpg UK
Fuel consumption city	-	13.5L/100 km17.4mpg US20.9mpg UK
Fuel consumption highway	-	7.9L/100 km29.8mpg US35.8mpg UK
Quarter mile	11.4s Calculated	11.5s Calculated
Power-to-weight	313hp/t234kW/t142hp/1000 lb Calculated	304hp/t226kW/t138hp/1000 lb Calculated
Torque-to-weight	361Nm/t242lb-ft/ton Calculated	417Nm/t279lb-ft/ton Calculated
Estimated range	574km357mi Calculated	667km414mi Calculated
Displacement	2,891cc176cu in	3,982cc243cu in
Length	4,639mm183in	4,757mm187in
Width	1,874mm74in	1,839mm72in
Height	1,433mm56in	1,426mm56in
Wheelbase	2,820mm111in	2,840mm112in
Front track	1,553mm61in	1,609mm63in
Rear track	1,609mm63in	-
Ground clearance	-	92mm4in
Trunk volume	-	435L
Doors	4	4
Seats	5	5
Fuel tank	58L	66L
CO2 emissions	-	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) Facelift 2022 Quadrifoglio 2.9 V6 Bi-TurboMercedes-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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	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	308 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 135 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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	520 hp 388 kW
Mercedes-BenzC-class (W205)Facelift 2018AMG C 63 S V8	510 hp 380 kW

Alfa Romeo Giulia (952) Facelift 2022 Quadrifoglio 2.9 V6 Bi-Turbo has 10 hp more than Mercedes-Benz C-class (W205) Facelift 2018 AMG C 63 S V8.

The biggest power difference is between Mercedes-Benz C-class (W205) Facelift 2018 AMG C 63 S V8 and Alfa Romeo Giulia (952) Facelift 2022 Quadrifoglio 2.9 V6 Bi-Turbo: 10 hp (7 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Alfa RomeoGiulia (952)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	1,660 kg 3,660 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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	308 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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	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) Facelift 2022 Quadrifoglio 2.9 V6 Bi-Turbo 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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	10.1 L/100 km 23.3 mpg US 28.0 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

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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	313 hp/t 234 kW/t 3.2 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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	574 km 357 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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	520 hp 388 kW	3.9 s	308 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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo

Power	520 hp 388 kW
0-100 km/h	3.9 s
Top speed 308 km/h 191 mph

Doors/seats	4 doors 5 seats
Trunk	-
Length	4,639 mm 182.6 in
Height	1,433 mm 56.4 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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo

Power	520 hp 388 kW
0-100 km/h	3.9 s
Top speed 308 km/h 191 mph

10.1 L/100 km

23.3 mpg US

28.0 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

Mercedes-Benz C-class (W205) Facelift 2018 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
Alfa RomeoGiulia (952)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	10.1 L/100 km 23.3 mpg US 28.0 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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo	313 hp/t 234 kW/t 3.2 kg/hp	10.1 L/100 km 23.3 mpg US 28.0 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)Facelift 2022Quadrifoglio 2.9 V6 Bi-Turbo

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

Power

520 hp

388 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

308 km/h

191 mph

Unrestricted

305 km/h190 mph

Restricted

290 km/h180 mph

Lightness

1,660 kg

3,660 lb

1,680 kg

3,704 lb

Fuel consumption

10.1 L/100 km

23.3 mpg US

28.0 mpg UK

9.9 L/100 km

23.8 mpg US

28.5 mpg UK

Practicality

Doors/seats	4 doors 5 seats
Trunk	-
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	4,757 mm 187.3 in
Height	1,426 mm 56.1 in

Range score

574 km

357 mi

667 km

414 mi

CO2 score

227 g/km

Trunk score

435 L

15.4 cu ft

Power-to-weight score

313 hp/t

234 kW/t

3.2 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) Facelift 2022 Quadrifoglio 2.9 V6 Bi-Turbo	Mercedes-Benz C-class (W205) Facelift 2018 AMG C 63 S V8
Consumption	10.1 L/100 km23.3 mpg US28 mpg UK	9.9 L/100 km23.8 mpg US28.5 mpg UK
Cost / 100 km	17.68 LC100 km	17.33 LC100 km
Cost / 100 mi	28.45 LC100 mi	27.88 LC100 mi
Annual fuel used	1,515 L400 US gal333 UK gal	1,485 L392 US gal327 UK gal
Annual fuel cost	2,651 LC/year	2,599 LC/year