Car comparison

Porsche 718 Cayman (982) GTS 2.5vsMercedes-Benz SLC (R172) · Facelift 2016 AMG SLC 43 V6

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

New comparison

Porsche 718 Cayman (982)

GTS 2.5

365 hp2497 ccGasolineRWDDual-clutchTurbochargedCoupe2017-2018
VS

Mercedes-Benz SLC (R172) · Facelift 2016

AMG SLC 43 V6

367 hp2996 ccGasolineRWDAutomaticTwin-turboCoupe2016-2018

Comparison overview

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

Best choices

Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6

  • Most powerful
    367 hp
    274 kW
  • Highest torque
    520 Nm
    384 lb-ft
  • Lowest combined fuel consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Lowest city consumption
    10.7 L/100 km
    22.0 mpg US
    26.4 mpg UK
  • Lowest highway consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest CO2 emissions
    178 g/km
  • Best estimated range
    897 km
    558 mi
  • Largest trunk
    225 L
  • Best economy score
    86/100
  • Best practicality score
    33/100

Porsche 718 Cayman (982) GTS 2.5

  • Quickest 0-100 km/h
    4.3 s
  • Fastest top speed
    300 km/h
    186 mph Unrestricted
    290 km/h
    180 mph Restricted
  • Lightest
    1,405 kg
    3,097 lb
  • Best power-to-weight
    260 hp/t
    194 kW/t
    3.8 kg/hp
  • Best overall score
    63/100
  • Best performance score
    77/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)GTS 2.5Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
Power
365hp272kW
367hp274kW
Torque
430Nm317lb-ft
520Nm384lb-ft
Curb weight
1,405kg3,097lb
1,520kg3,351lb
Gross weight
1,705kg3,759lb
1,890kg4,167lb
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
63.0s99% target: 297 km/h / 185 mph
Calculated
64.6s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.3s
4.7s
0-200 km/h
12.9s
Calculated
16.5s
Calculated
0-60 mph
4.1s
Calculated
4.5s
Calculated
Fuel consumption
8.2L/100 km28.7mpg US34.4mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Fuel consumption city
10.9L/100 km21.6mpg US25.9mpg UK
10.7L/100 km22mpg US26.4mpg UK
Fuel consumption highway
6.6L/100 km35.6mpg US42.8mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Quarter mile
12.2s
Calculated
12.8s
Calculated
Power-to-weight
260hp/t194kW/t118hp/1000 lb
Calculated
241hp/t180kW/t110hp/1000 lb
Calculated
Torque-to-weight
306Nm/t205lb-ft/ton
Calculated
342Nm/t229lb-ft/ton
Calculated
Estimated range
780km485mi
Calculated
897km558mi
Calculated
Displacement
2,497cc152cu in
2,996cc183cu in
Length
4,393mm173in
-
Width
1,801mm71in
-
Height
1,286mm51in
-
Wheelbase
2,475mm97in
-
Trunk volume
150L
225L
Max trunk volume
425L
335L
Doors
2
2
Seats
2
2
Fuel tank
64L
70L
CO2 emissions
186g/km
178g/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) GTS 2.5Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6PowerTorque
  • Porsche 718 Cayman (982) GTS 2.5: Power / Torque
  • Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Cayman (982)GTS 2.56,500 rpm1,900-5,000 rpm6,750 rpm
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V65,500-6,000 rpm2,000-4,200 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Cayman (982)GTS 2.5Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
4.1 s
4.5 s
0-100 km/h
0-62 mph
4.3 s
4.7 s
0-200 km/h
0-124 mph
12.9 s
16.5 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.4 s
5.6 s
1/8 mile
201 m
8.1 s
8.4 s
1000 ft
305 m
10.3 s
10.8 s
1/4 mile
402 m
12.2 s
12.8 s
Trap speed
1/4 mile
402 m
194 km/h
121 mph
180 km/h
112 mph

Power comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GTS 2.5
365 hp
272 kW
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
367 hp
274 kW

Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6 has 2 hp more than Porsche 718 Cayman (982) GTS 2.5.

The biggest power difference is between Porsche 718 Cayman (982) GTS 2.5 and Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6: 2 hp (1 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GTS 2.5
430 Nm
317 lb-ft
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
520 Nm
384 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GTS 2.5
1,405 kg
3,097 lb
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
1,520 kg
3,351 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)GTS 2.5
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
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)GTS 2.54.3 s
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V64.7 s

Although Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6 has more power, Porsche 718 Cayman (982) GTS 2.5 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 718 Cayman (982) GTS 2.5 and Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6: 0.4 s.

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)GTS 2.5
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

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)GTS 2.5
260 hp/t
194 kW/t
3.8 kg/hp
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
241 hp/t
180 kW/t
4.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GTS 2.5
780 km
485 mi
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
897 km
558 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche718 Cayman (982)GTS 2.5
365 hp
272 kW
4.3 s
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
367 hp
274 kW
4.7 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)GTS 2.5
Power
365 hp
272 kW
0-100 km/h4.3 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,393 mm
173.0 in
Height
1,286 mm
50.6 in
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
Power
367 hp
274 kW
0-100 km/h4.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
225 L
7.9 cu ft
Length-
Height-

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)GTS 2.5
Power
365 hp
272 kW
0-100 km/h4.3 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
Power
367 hp
274 kW
0-100 km/h4.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

Porsche 718 Cayman (982) GTS 2.5 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)GTS 2.5
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
4.3 s
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
4.7 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)GTS 2.5
260 hp/t
194 kW/t
3.8 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
241 hp/t
180 kW/t
4.1 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Cayman (982)GTS 2.5Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
Power
365 hp
272 kW
367 hp
274 kW
Torque
430 Nm
317 lb-ft
520 Nm
384 lb-ft
Acceleration
4.3 s
4.7 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,405 kg
3,097 lb
1,520 kg
3,351 lb
Fuel consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,393 mm
173.0 in
Height
1,286 mm
50.6 in
Doors/seats
2 doors
2 seats
Trunk
225 L
7.9 cu ft
Length-
Height-
Range score
780 km
485 mi
897 km
558 mi
CO2 score
186 g/km
178 g/km
Trunk score
150 L
5.3 cu ft
225 L
7.9 cu ft
Power-to-weight score
260 hp/t
194 kW/t
3.8 kg/hp
241 hp/t
180 kW/t
4.1 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) GTS 2.5Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6
Consumption8.2 L/100 km28.7 mpg US34.4 mpg UK7.8 L/100 km30.2 mpg US36.2 mpg UK
Cost / 100 km14.35 LC100 km13.65 LC100 km
Cost / 100 mi23.09 LC100 mi21.97 LC100 mi
Annual fuel used1,230 L325 US gal271 UK gal1,170 L309 US gal257 UK gal
Annual fuel cost2,153 LC/year2,048 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) GTS 2.5

  • Is 115 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 35 km/h (22 mph) higher top speed
  • Has 18 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6

  • Has 2 hp more
  • Has 90 Nm more
  • Uses 0.4 L/100 km less fuel
  • Has 117 km (73 mi) more estimated range
  • Has 75 L more trunk volume
  • Emits 8 g/km less CO2

Pros

  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Cayman (982) GTS 2.5
Mercedes-Benz SLC (R172) AMG SLC 43 V6
Compare selected cars
2 vehicles selected

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Porsche 718 Cayman (982) GTS 2.5 vs Mercedes-Benz SLC (R172) · Facelift 2016 AMG SLC 43 V6 - car comparison - FastVsFaster