Car comparison

Cadillac ATS Coupe V 3.6 V6vsMercedes-Benz C-class Coupe (C205) AMG C 63 V8

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

New comparison

Cadillac ATS Coupe

V 3.6 V6

471 hp3564 ccGasolineRWDManualTwin-turboCoupe2016-2019

Mercedes-Benz C-class Coupe (C205)

AMG C 63 V8

476 hp3982 ccGasolineRWDAutomaticTwin-turboCoupe2015-2018

Comparison overview

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

Mercedes-Benz C-class Coupe (C205) AMG C 63 V8

Quickest 0-100 km/h
4.0 s
Most powerful
476 hp
355 kW
Highest torque
650 Nm
479 lb-ft
Lightest
1,710 kg
3,770 lb
Best power-to-weight
278 hp/t
208 kW/t
3.6 kg/hp
Lowest combined fuel consumption
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
Lowest city consumption
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Lowest highway consumption
7.1 L/100 km
33.1 mpg US
39.8 mpg UK
Best estimated range
742 km
461 mi
Best overall score
74/100
Best economy score
83/100
Best practicality score
52/100

Cadillac ATS Coupe V 3.6 V6

Fastest top speed
298 km/h
185 mph
Best performance score
84/100

Specification comparison

Specification comparison
Model	CadillacATS CoupeV 3.6 V6	Mercedes-BenzC-class Coupe (C205)AMG C 63 V8
Power	471hp351kW	476hp355kW
Torque	603Nm445lb-ft	650Nm479lb-ft
Curb weight	1,725kg3,803lb	1,710kg3,770lb
Gross weight	-	2,155kg4,751lb
Top speed	298 km/h 185 mph	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	64.3s99% target: 295 km/h / 183 mph Calculated	50.0s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	4.2s	4.0s
0-200 km/h	13.0s Calculated	13.4s Calculated
0-60 mph	4.0s Calculated	3.8s Calculated
Fuel consumption	12.4L/100 km19mpg US22.8mpg UK	8.9L/100 km26.4mpg US31.7mpg UK
Fuel consumption city	13.8L/100 km17mpg US20.5mpg UK	11.9L/100 km19.8mpg US23.7mpg UK
Fuel consumption highway	10.2L/100 km23.1mpg US27.7mpg UK	7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile	12.1s Calculated	12.0s Calculated
Power-to-weight	273hp/t204kW/t124hp/1000 lb Calculated	278hp/t208kW/t126hp/1000 lb Calculated
Torque-to-weight	350Nm/t234lb-ft/ton Calculated	380Nm/t254lb-ft/ton Calculated
Estimated range	488km303mi Calculated	742km461mi Calculated
Displacement	3,564cc217cu in	3,982cc243cu in
Length	4,691mm185in	4,750mm187in
Width	1,841mm72in	1,877mm74in
Height	1,384mm54in	1,400mm55in
Wheelbase	2,775mm109in	2,840mm112in
Front track	1,538mm61in	1,636mm64in
Rear track	1,559mm61in	1,592mm63in
Trunk volume	295L	-
Doors	2	2
Seats	4	4
Fuel tank	61L	66L
CO2 emissions	-	209g/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.

Cadillac ATS Coupe V 3.6 V6Mercedes-Benz C-class Coupe (C205) AMG C 63 V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
CadillacATS CoupeV 3.6 V6	5,850 rpm	3,500 rpm	6,500 rpm
Mercedes-BenzC-class Coupe (C205)AMG C 63 V8	5,500-6,250 rpm	1,750-4,500 rpm	6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	CadillacATS CoupeV 3.6 V6	Mercedes-BenzC-class Coupe (C205)AMG C 63 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.0 s	3.8 s
0-100 km/h 0-62 mph	4.2 s	4.0 s
0-200 km/h 0-124 mph	13.0 s	13.4 s
Top speed	298 km/h 185 mph	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.1 s	2.0 s
330 ft 101 m	5.3 s	5.2 s
1/8 mile 201 m	8.0 s	7.9 s
1000 ft 305 m	10.2 s	10.1 s
1/4 mile 402 m	12.1 s	12.0 s
Trap speed 1/4 mile 402 m	194 km/h 120 mph	191 km/h 119 mph

Power comparison

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

Chart data table
Vehicle	Value
CadillacATS CoupeV 3.6 V6	471 hp 351 kW
Mercedes-BenzC-class Coupe (C205)AMG C 63 V8	476 hp 355 kW

Mercedes-Benz C-class Coupe (C205) AMG C 63 V8 has 5 hp more than Cadillac ATS Coupe V 3.6 V6.

The biggest power difference is between Cadillac ATS Coupe V 3.6 V6 and Mercedes-Benz C-class Coupe (C205) AMG C 63 V8: 5 hp (4 kW).

Torque comparison

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

Chart data table
Vehicle	Value
CadillacATS CoupeV 3.6 V6	603 Nm 445 lb-ft
Mercedes-BenzC-class Coupe (C205)AMG C 63 V8	650 Nm 479 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
CadillacATS CoupeV 3.6 V6	1,725 kg 3,803 lb
Mercedes-BenzC-class Coupe (C205)AMG C 63 V8	1,710 kg 3,770 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
CadillacATS CoupeV 3.6 V6	298 km/h 185 mph
Mercedes-BenzC-class Coupe (C205)AMG C 63 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
CadillacATS CoupeV 3.6 V6	4.2 s
Mercedes-BenzC-class Coupe (C205)AMG C 63 V8	4.0 s

The biggest 0-100 km/h difference is between Mercedes-Benz C-class Coupe (C205) AMG C 63 V8 and Cadillac ATS Coupe V 3.6 V6: 0.2 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
CadillacATS CoupeV 3.6 V6	12.4 L/100 km 19.0 mpg US 22.8 mpg UK
Mercedes-BenzC-class Coupe (C205)AMG C 63 V8	8.9 L/100 km 26.4 mpg US 31.7 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz C-class Coupe (C205) AMG C 63 V8 and Cadillac ATS Coupe V 3.6 V6: 3.5 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
CadillacATS CoupeV 3.6 V6	273 hp/t 204 kW/t 3.7 kg/hp
Mercedes-BenzC-class Coupe (C205)AMG C 63 V8	278 hp/t 208 kW/t 3.6 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
CadillacATS CoupeV 3.6 V6	488 km 303 mi
Mercedes-BenzC-class Coupe (C205)AMG C 63 V8	742 km 461 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
CadillacATS CoupeV 3.6 V6	471 hp 351 kW	4.2 s	298 km/h 185 mph
Mercedes-BenzC-class Coupe (C205)AMG C 63 V8	476 hp 355 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.

Vehicle

Performance score

Practicality score

CadillacATS CoupeV 3.6 V6

Power	471 hp 351 kW
0-100 km/h	4.2 s
Top speed 298 km/h 185 mph

Doors/seats	2 doors 4 seats
Trunk	295 L 10.4 cu ft
Length	4,691 mm 184.7 in
Height	1,384 mm 54.5 in

Mercedes-BenzC-class Coupe (C205)AMG C 63 V8

Power	476 hp 355 kW
0-100 km/h	4.0 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	-
Length	4,750 mm 187.0 in
Height	1,400 mm 55.1 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

CadillacATS CoupeV 3.6 V6

Power	471 hp 351 kW
0-100 km/h	4.2 s
Top speed 298 km/h 185 mph

12.4 L/100 km

19.0 mpg US

22.8 mpg UK

Mercedes-BenzC-class Coupe (C205)AMG C 63 V8

Power	476 hp 355 kW
0-100 km/h	4.0 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

8.9 L/100 km

26.4 mpg US

31.7 mpg UK

Mercedes-Benz C-class Coupe (C205) AMG C 63 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
CadillacATS CoupeV 3.6 V6	12.4 L/100 km 19.0 mpg US 22.8 mpg UK	4.2 s
Mercedes-BenzC-class Coupe (C205)AMG C 63 V8	8.9 L/100 km 26.4 mpg US 31.7 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
CadillacATS CoupeV 3.6 V6	273 hp/t 204 kW/t 3.7 kg/hp	12.4 L/100 km 19.0 mpg US 22.8 mpg UK
Mercedes-BenzC-class Coupe (C205)AMG C 63 V8	278 hp/t 208 kW/t 3.6 kg/hp	8.9 L/100 km 26.4 mpg US 31.7 mpg UK

Detailed score breakdown

Vehicle

CadillacATS CoupeV 3.6 V6

Mercedes-BenzC-class Coupe (C205)AMG C 63 V8

Power

471 hp

351 kW

476 hp

355 kW

Torque

603 Nm

445 lb-ft

650 Nm

479 lb-ft

Acceleration

4.2 s

4.0 s

Top speed

298 km/h

185 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

1,725 kg

3,803 lb

1,710 kg

3,770 lb

Fuel consumption

12.4 L/100 km

19.0 mpg US

22.8 mpg UK

8.9 L/100 km

26.4 mpg US

31.7 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	295 L 10.4 cu ft
Length	4,691 mm 184.7 in
Height	1,384 mm 54.5 in

Doors/seats	2 doors 4 seats
Trunk	-
Length	4,750 mm 187.0 in
Height	1,400 mm 55.1 in

Range score

488 km

303 mi

742 km

461 mi

CO2 score

209 g/km

Trunk score

295 L

10.4 cu ft

Power-to-weight score

273 hp/t

204 kW/t

3.7 kg/hp

278 hp/t

208 kW/t

3.6 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	Cadillac ATS Coupe V 3.6 V6	Mercedes-Benz C-class Coupe (C205) AMG C 63 V8
Consumption	12.4 L/100 km19 mpg US22.8 mpg UK	8.9 L/100 km26.4 mpg US31.7 mpg UK
Cost / 100 km	21.70 LC100 km	15.58 LC100 km
Cost / 100 mi	34.92 LC100 mi	25.07 LC100 mi
Annual fuel used	1,860 L491 US gal409 UK gal	1,335 L353 US gal294 UK gal
Annual fuel cost	3,255 LC/year	2,336 LC/year