Car comparison

Porsche 718 Cayman (982) 2.0vsMercedes-Benz C-class Coupe (C205) C 400

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

New comparison

Porsche 718 Cayman (982)

2.0

300 hp1988 ccGasolineRWDDual-clutchTurbochargedCoupe2016-2018
VS

Mercedes-Benz C-class Coupe (C205)

C 400

333 hp2996 ccGasolineAWDAutomaticTwin-turboCoupe2016-2018

Comparison overview

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

Best choices

Porsche 718 Cayman (982) 2.0

  • Quickest 0-100 km/h
    4.9 s
  • Fastest top speed
    285 km/h
    177 mph Unrestricted
    275 km/h
    171 mph Restricted
  • Lightest
    1,365 kg
    3,009 lb
  • Best power-to-weight
    220 hp/t
    164 kW/t
    4.6 kg/hp
  • Lowest combined fuel consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Lowest city consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest highway consumption
    5.7 L/100 km
    41.3 mpg US
    49.6 mpg UK
  • Lowest CO2 emissions
    158 g/km
  • Best economy score
    88/100

Mercedes-Benz C-class Coupe (C205) C 400

  • Most powerful
    333 hp
    248 kW
  • Highest torque
    480 Nm
    354 lb-ft
  • Best estimated range
    825 km
    513 mi
  • Largest trunk
    400 L
  • Best overall score
    65/100
  • Best performance score
    71/100
  • Best practicality score
    51/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)2.0Mercedes-BenzC-class Coupe (C205)C 400
Power
300hp224kW
333hp248kW
Torque
380Nm280lb-ft
480Nm354lb-ft
Curb weight
1,365kg3,009lb
1,600kg3,527lb
Gross weight
1,685kg3,715lb
2,155kg4,751lb
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
98.7s99% target: 282 km/h / 175 mph
Calculated
67.9s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.9s
4.9s
0-200 km/h
18.1s
17.2s
Calculated
0-60 mph
4.6s
Calculated
4.7s
Calculated
Fuel consumption
6.9L/100 km34.1mpg US40.9mpg UK
8L/100 km29.4mpg US35.3mpg UK
Fuel consumption city
9L/100 km26.1mpg US31.4mpg UK
10.9L/100 km21.6mpg US25.9mpg UK
Fuel consumption highway
5.7L/100 km41.3mpg US49.6mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Quarter mile
13.1s
Calculated
13.0s
Calculated
Power-to-weight
220hp/t164kW/t100hp/1000 lb
Calculated
208hp/t155kW/t94hp/1000 lb
Calculated
Torque-to-weight
278Nm/t186lb-ft/ton
Calculated
300Nm/t201lb-ft/ton
Calculated
Estimated range
783km486mi
Calculated
825km513mi
Calculated
Displacement
1,988cc121cu in
2,996cc183cu in
Length
4,379mm172in
4,686mm184in
Width
1,801mm71in
1,810mm71in
Height
1,286mm51in
1,405mm55in
Wheelbase
2,475mm97in
2,840mm112in
Front track
1,515mm60in
1,563mm62in
Rear track
1,532mm60in
1,546mm61in
Trunk volume
334L
400L
Doors
2
2
Seats
2
4
Fuel tank
54L
66L
CO2 emissions
158g/km
181g/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.

Porsche 718 Cayman (982) 2.0Mercedes-Benz C-class Coupe (C205) C 400PowerTorque
  • Porsche 718 Cayman (982) 2.0: Power / Torque
  • Mercedes-Benz C-class Coupe (C205) C 400: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Cayman (982)2.06,500 rpm1,950-4,500 rpm7,500 rpm
Mercedes-BenzC-class Coupe (C205)C 4005,250-6,000 rpm1,600-4,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Cayman (982)2.0Mercedes-BenzC-class Coupe (C205)C 400
Acceleration checkpoints
0-60 mph
0-97 km/h
4.6 s
4.7 s
0-100 km/h
0-62 mph
4.9 s
4.9 s
0-200 km/h
0-124 mph
18.1 s
17.2 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.0 s
2.2 s
330 ft
101 m
5.6 s
5.7 s
1/8 mile
201 m
8.5 s
8.5 s
1000 ft
305 m
11.0 s
11.0 s
1/4 mile
402 m
13.1 s
13.0 s
Trap speed
1/4 mile
402 m
173 km/h
108 mph
177 km/h
110 mph

Power comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)2.0
300 hp
224 kW
Mercedes-BenzC-class Coupe (C205)C 400
333 hp
248 kW

Mercedes-Benz C-class Coupe (C205) C 400 has 33 hp more than Porsche 718 Cayman (982) 2.0.

The biggest power difference is between Porsche 718 Cayman (982) 2.0 and Mercedes-Benz C-class Coupe (C205) C 400: 33 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)2.0
380 Nm
280 lb-ft
Mercedes-BenzC-class Coupe (C205)C 400
480 Nm
354 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)2.0
1,365 kg
3,009 lb
Mercedes-BenzC-class Coupe (C205)C 400
1,600 kg
3,527 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)2.0
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Mercedes-BenzC-class Coupe (C205)C 400
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
Porsche718 Cayman (982)2.04.9 s
Mercedes-BenzC-class Coupe (C205)C 4004.9 s

Although Mercedes-Benz C-class Coupe (C205) C 400 has more power, Porsche 718 Cayman (982) 2.0 is quicker from 0-100 km/h.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Porsche718 Cayman (982)2.0
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
Mercedes-BenzC-class Coupe (C205)C 400
8.0 L/100 km
29.4 mpg US
35.3 mpg UK

The biggest fuel consumption difference is between Porsche 718 Cayman (982) 2.0 and Mercedes-Benz C-class Coupe (C205) C 400: 1.1 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
Porsche718 Cayman (982)2.0
220 hp/t
164 kW/t
4.5 kg/hp
Mercedes-BenzC-class Coupe (C205)C 400
208 hp/t
155 kW/t
4.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)2.0
783 km
486 mi
Mercedes-BenzC-class Coupe (C205)C 400
825 km
513 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche718 Cayman (982)2.0
300 hp
224 kW
4.9 s
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Mercedes-BenzC-class Coupe (C205)C 400
333 hp
248 kW
4.9 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
Porsche718 Cayman (982)2.0
Power
300 hp
224 kW
0-100 km/h4.9 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Doors/seats
2 doors
2 seats
Trunk
334 L
11.8 cu ft
Length
4,379 mm
172.4 in
Height
1,286 mm
50.6 in
Mercedes-BenzC-class Coupe (C205)C 400
Power
333 hp
248 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
400 L
14.1 cu ft
Length
4,686 mm
184.5 in
Height
1,405 mm
55.3 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
Porsche718 Cayman (982)2.0
Power
300 hp
224 kW
0-100 km/h4.9 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
Mercedes-BenzC-class Coupe (C205)C 400
Power
333 hp
248 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.0 L/100 km
29.4 mpg US
35.3 mpg UK

Porsche 718 Cayman (982) 2.0 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
Porsche718 Cayman (982)2.0
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
4.9 s
Mercedes-BenzC-class Coupe (C205)C 400
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
4.9 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
Porsche718 Cayman (982)2.0
220 hp/t
164 kW/t
4.6 kg/hp
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
Mercedes-BenzC-class Coupe (C205)C 400
208 hp/t
155 kW/t
4.8 kg/hp
8.0 L/100 km
29.4 mpg US
35.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Cayman (982)2.0Mercedes-BenzC-class Coupe (C205)C 400
Power
300 hp
224 kW
333 hp
248 kW
Torque
380 Nm
280 lb-ft
480 Nm
354 lb-ft
Acceleration
4.9 s
4.9 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,365 kg
3,009 lb
1,600 kg
3,527 lb
Fuel consumption
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
334 L
11.8 cu ft
Length
4,379 mm
172.4 in
Height
1,286 mm
50.6 in
Doors/seats
2 doors
4 seats
Trunk
400 L
14.1 cu ft
Length
4,686 mm
184.5 in
Height
1,405 mm
55.3 in
Range score
783 km
486 mi
825 km
513 mi
CO2 score
158 g/km
181 g/km
Trunk score
334 L
11.8 cu ft
400 L
14.1 cu ft
Power-to-weight score
220 hp/t
164 kW/t
4.6 kg/hp
208 hp/t
155 kW/t
4.8 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
VehiclePorsche 718 Cayman (982) 2.0Mercedes-Benz C-class Coupe (C205) C 400
Consumption6.9 L/100 km34.1 mpg US40.9 mpg UK8 L/100 km29.4 mpg US35.3 mpg UK
Cost / 100 km12.08 LC100 km14.00 LC100 km
Cost / 100 mi19.43 LC100 mi22.53 LC100 mi
Annual fuel used1,035 L273 US gal228 UK gal1,200 L317 US gal264 UK gal
Annual fuel cost1,811 LC/year2,100 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) 2.0

  • Is 235 kg lighter
  • Has 20 km/h (12 mph) higher top speed
  • Uses 1.1 L/100 km less fuel
  • Has 12 hp/t better power-to-weight
  • Emits 23 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Smallest trunk

Mercedes-Benz C-class Coupe (C205) C 400

  • Has 33 hp more
  • Has 100 Nm more
  • Has 42 km (26 mi) more estimated range
  • Has 66 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Cayman (982) 2.0
Mercedes-Benz C-class Coupe (C205) C 400
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