Car comparison

Cadillac ATS Sedan V 3.6 V6vsMercedes-Benz C-class (W205) AMG C 63 V8

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

New comparison

Cadillac ATS Sedan

V 3.6 V6

471 hp3564 ccGasolineRWDAutomaticTwin-turboSedan2016-2019
VS

Mercedes-Benz C-class (W205)

AMG C 63 V8

476 hp3982 ccGasolineRWDAutomaticTwin-turboSedan2015-2018

Comparison overview

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

Best choices

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

  • Quickest 0-100 km/h
    4.1 s
  • Most powerful
    476 hp
    355 kW
  • Highest torque
    650 Nm
    479 lb-ft
  • Lightest
    1,640 kg
    3,616 lb
  • Best power-to-weight
    290 hp/t
    216 kW/t
    3.4 kg/hp
  • Lowest combined fuel consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest city consumption
    10.8 L/100 km
    21.8 mpg US
    26.2 mpg UK
  • Lowest highway consumption
    6.7 L/100 km
    35.1 mpg US
    42.2 mpg UK
  • Best estimated range
    805 km
    500 mi
  • Largest trunk
    435 L
  • Best overall score
    80/100
  • Best economy score
    85/100
  • Best practicality score
    73/100

Specification comparison

Specification comparison
ModelCadillacATS SedanV 3.6 V6Mercedes-BenzC-class (W205)AMG C 63 V8
Power
471hp351kW
476hp355kW
Torque
603Nm445lb-ft
650Nm479lb-ft
Curb weight
1,729kg3,812lb
1,640kg3,616lb
Gross weight-
2,175kg4,795lb
Top speed
298 km/h
185 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
44.7s99% target: 295 km/h / 183 mph
Calculated
35.6s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.2s
4.1s
0-200 km/h
11.2s
Calculated
11.5s
Calculated
0-60 mph
4.0s
Calculated
3.9s
Calculated
Fuel consumption
12.4L/100 km19mpg US22.8mpg UK
8.2L/100 km28.7mpg US34.4mpg UK
Fuel consumption city
14.7L/100 km16mpg US19.2mpg UK
10.8L/100 km21.8mpg US26.2mpg UK
Fuel consumption highway
9.8L/100 km24mpg US28.8mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Quarter mile
11.9s
Calculated
11.8s
Calculated
Power-to-weight
272hp/t203kW/t124hp/1000 lb
Calculated
290hp/t216kW/t132hp/1000 lb
Calculated
Torque-to-weight
349Nm/t233lb-ft/ton
Calculated
396Nm/t265lb-ft/ton
Calculated
Estimated range
488km303mi
Calculated
805km500mi
Calculated
Displacement
3,564cc217cu in
3,982cc243cu in
Length
4,673mm184in
4,756mm187in
Width
1,811mm71in
1,839mm72in
Height
1,415mm56in
1,426mm56in
Wheelbase
2,775mm109in
2,840mm112in
Front track
1,538mm61in
1,609mm63in
Rear track
1,536mm60in
1,546mm61in
Trunk volume
295L
435L
Doors
4
4
Seats
5
5
Fuel tank
61L
66L
CO2 emissions-
192g/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 Sedan V 3.6 V6Mercedes-Benz C-class (W205) AMG C 63 V8PowerTorque
  • Cadillac ATS Sedan V 3.6 V6: Power / Torque
  • Mercedes-Benz C-class (W205) AMG C 63 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
CadillacATS SedanV 3.6 V65,850 rpm3,500 rpm6,500 rpm
Mercedes-BenzC-class (W205)AMG C 63 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
MetricCadillacATS SedanV 3.6 V6Mercedes-BenzC-class (W205)AMG C 63 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.0 s
3.9 s
0-100 km/h
0-62 mph
4.2 s
4.1 s
0-200 km/h
0-124 mph
11.2 s
11.5 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
2.2 s
2.2 s
330 ft
101 m
5.5 s
5.4 s
1/8 mile
201 m
8.0 s
7.9 s
1000 ft
305 m
10.1 s
10.1 s
1/4 mile
402 m
11.9 s
11.8 s
Trap speed
1/4 mile
402 m
207 km/h
129 mph
203 km/h
126 mph

Power comparison

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

Chart data table
VehicleValue
CadillacATS SedanV 3.6 V6
471 hp
351 kW
Mercedes-BenzC-class (W205)AMG C 63 V8
476 hp
355 kW

Mercedes-Benz C-class (W205) AMG C 63 V8 has 5 hp more than Cadillac ATS Sedan V 3.6 V6.

The biggest power difference is between Cadillac ATS Sedan V 3.6 V6 and Mercedes-Benz C-class (W205) AMG C 63 V8: 5 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
CadillacATS SedanV 3.6 V6
603 Nm
445 lb-ft
Mercedes-BenzC-class (W205)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
VehicleValue
CadillacATS SedanV 3.6 V6
1,729 kg
3,812 lb
Mercedes-BenzC-class (W205)AMG C 63 V8
1,640 kg
3,616 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
CadillacATS SedanV 3.6 V6
298 km/h
185 mph
Mercedes-BenzC-class (W205)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
VehicleValue
CadillacATS SedanV 3.6 V64.2 s
Mercedes-BenzC-class (W205)AMG C 63 V84.1 s

The biggest 0-100 km/h difference is between Mercedes-Benz C-class (W205) AMG C 63 V8 and Cadillac ATS Sedan V 3.6 V6: 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
CadillacATS SedanV 3.6 V6
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
Mercedes-BenzC-class (W205)AMG C 63 V8
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz C-class (W205) AMG C 63 V8 and Cadillac ATS Sedan V 3.6 V6: 4.2 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
CadillacATS SedanV 3.6 V6
272 hp/t
203 kW/t
3.7 kg/hp
Mercedes-BenzC-class (W205)AMG C 63 V8
290 hp/t
216 kW/t
3.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
CadillacATS SedanV 3.6 V6
488 km
303 mi
Mercedes-BenzC-class (W205)AMG C 63 V8
805 km
500 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
CadillacATS SedanV 3.6 V6
471 hp
351 kW
4.2 s
298 km/h
185 mph
Mercedes-BenzC-class (W205)AMG C 63 V8
476 hp
355 kW
4.1 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
CadillacATS SedanV 3.6 V6
Power
471 hp
351 kW
0-100 km/h4.2 s
Top speed
298 km/h
185 mph
Doors/seats
4 doors
5 seats
Trunk
295 L
10.4 cu ft
Length
4,673 mm
184.0 in
Height
1,415 mm
55.7 in
Mercedes-BenzC-class (W205)AMG C 63 V8
Power
476 hp
355 kW
0-100 km/h4.1 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
CadillacATS SedanV 3.6 V6
Power
471 hp
351 kW
0-100 km/h4.2 s
Top speed
298 km/h
185 mph
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
Mercedes-BenzC-class (W205)AMG C 63 V8
Power
476 hp
355 kW
0-100 km/h4.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

Mercedes-Benz C-class (W205) 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
VehicleFuel consumption, L/100 km0-100 km/h, s
CadillacATS SedanV 3.6 V6
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
4.2 s
Mercedes-BenzC-class (W205)AMG C 63 V8
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
4.1 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
CadillacATS SedanV 3.6 V6
272 hp/t
203 kW/t
3.7 kg/hp
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
Mercedes-BenzC-class (W205)AMG C 63 V8
290 hp/t
216 kW/t
3.4 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleCadillacATS SedanV 3.6 V6Mercedes-BenzC-class (W205)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
4.1 s
Top speed
298 km/h
185 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,729 kg
3,812 lb
1,640 kg
3,616 lb
Fuel consumption
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
295 L
10.4 cu ft
Length
4,673 mm
184.0 in
Height
1,415 mm
55.7 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
488 km
303 mi
805 km
500 mi
CO2 score
-
192 g/km
Trunk score
295 L
10.4 cu ft
435 L
15.4 cu ft
Power-to-weight score
272 hp/t
203 kW/t
3.7 kg/hp
290 hp/t
216 kW/t
3.4 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
VehicleCadillac ATS Sedan V 3.6 V6Mercedes-Benz C-class (W205) AMG C 63 V8
Consumption12.4 L/100 km19 mpg US22.8 mpg UK8.2 L/100 km28.7 mpg US34.4 mpg UK
Cost / 100 km21.70 LC100 km14.35 LC100 km
Cost / 100 mi34.92 LC100 mi23.09 LC100 mi
Annual fuel used1,860 L491 US gal409 UK gal1,230 L325 US gal271 UK gal
Annual fuel cost3,255 LC/year2,153 LC/year

Head-to-head comparisons

Cadillac ATS Sedan V 3.6 V6

  • Has 33 km/h (21 mph) higher top speed

Pros

  • Highest top speed

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

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

  • Has 5 hp more
  • Has 47 Nm more
  • Is 89 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 4.2 L/100 km less fuel
  • Has 18 hp/t better power-to-weight
  • Has 317 km (197 mi) more estimated range
  • Has 140 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Cadillac ATS Sedan V 3.6 V6
Mercedes-Benz C-class (W205) AMG C 63 V8
Compare selected cars
2 vehicles selected

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