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 ccGasolineRWDManualTurbochargedCoupe2018-2020
VS

Mercedes-Benz SLC (R172) · Facelift 2016

AMG SLC 43 V6

390 hp2996 ccGasolineRWDAutomaticTwin-turboCoupe2018-2020

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

  • Quickest 0-100 km/h
    4.7 s
  • Most powerful
    390 hp
    291 kW
  • Highest torque
    520 Nm
    384 lb-ft
  • Lowest combined fuel consumption
    8.1 L/100 km
    29.0 mpg US
    34.9 mpg UK
  • Lowest city consumption
    11.1 L/100 km
    21.2 mpg US
    25.4 mpg UK
  • Lowest highway consumption
    6.4 L/100 km
    36.8 mpg US
    44.1 mpg UK
  • Lowest CO2 emissions
    185 g/km
  • Best estimated range
    741 km
    460 mi
  • Largest trunk
    225 L
  • Best performance score
    76/100
  • Best economy score
    85/100

Porsche 718 Cayman (982) GTS 2.5

  • Fastest top speed
    300 km/h
    186 mph Unrestricted
    290 km/h
    180 mph Restricted
  • Lightest
    1,375 kg
    3,031 lb
  • Best power-to-weight
    265 hp/t
    198 kW/t
    3.8 kg/hp
  • Best overall score
    63/100
  • Best practicality score
    39/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)GTS 2.5Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
Power
365hp272kW
390hp291kW
Torque
420Nm310lb-ft
520Nm384lb-ft
Curb weight
1,375kg3,031lb
1,520kg3,351lb
Gross weight
1,450kg3,197lb
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
71.0s99% target: 297 km/h / 185 mph
Calculated
58.9s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.9s
4.7s
0-200 km/h
14.7s
Calculated
15.8s
Calculated
0-60 mph
4.7s
Calculated
4.5s
Calculated
Fuel consumption
9.2L/100 km25.6mpg US30.7mpg UK
8.1L/100 km29mpg US34.9mpg UK
Fuel consumption city
12.8L/100 km18.4mpg US22.1mpg UK
11.1L/100 km21.2mpg US25.4mpg UK
Fuel consumption highway
7.1L/100 km33.1mpg US39.8mpg UK
6.4L/100 km36.8mpg US44.1mpg UK
Quarter mile
12.8s
Calculated
12.8s
Calculated
Power-to-weight
265hp/t198kW/t120hp/1000 lb
Calculated
257hp/t191kW/t116hp/1000 lb
Calculated
Torque-to-weight
305Nm/t204lb-ft/ton
Calculated
342Nm/t229lb-ft/ton
Calculated
Estimated range
696km432mi
Calculated
741km460mi
Calculated
Displacement
2,497cc152cu in
2,996cc183cu in
Length
4,393mm173in
4,133mm163in
Width
1,801mm71in
1,810mm71in
Height
1,286mm51in
1,301mm51in
Wheelbase
2,475mm97in
2,430mm96in
Front track
1,527mm60in
1,559mm61in
Rear track
1,535mm60in
-
Ground clearance-
112mm4in
Trunk volume-
225L
Max trunk volume
150L
335L
Doors
2
2
Seats
2
2
Fuel tank
64L
60L
CO2 emissions
210g/km
185g/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 rpm2,100-5,500 rpm6,750 rpm
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V65,500-6,000 rpm2,500-5,000 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
4.7 s
4.5 s
0-100 km/h
0-62 mph
4.9 s
4.7 s
0-200 km/h
0-124 mph
14.7 s
15.8 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
2.2 s
2.2 s
330 ft
101 m
5.7 s
5.6 s
1/8 mile
201 m
8.5 s
8.4 s
1000 ft
305 m
10.9 s
10.8 s
1/4 mile
402 m
12.8 s
12.8 s
Trap speed
1/4 mile
402 m
187 km/h
116 mph
182 km/h
113 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
390 hp
291 kW

Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6 has 25 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: 25 hp (19 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GTS 2.5
420 Nm
310 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
1,375 kg
3,031 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 2.54.9 s
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V64.7 s

The biggest 0-100 km/h difference is between Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6 and Porsche 718 Cayman (982) GTS 2.5: 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
VehicleValue
Porsche718 Cayman (982)GTS 2.5
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
8.1 L/100 km
29.0 mpg US
34.9 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6 and Porsche 718 Cayman (982) GTS 2.5: 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)GTS 2.5
265 hp/t
198 kW/t
3.8 kg/hp
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
257 hp/t
191 kW/t
3.9 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
696 km
432 mi
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
741 km
460 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
4.9 s
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
390 hp
291 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/h4.9 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
390 hp
291 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
4,133 mm
162.7 in
Height
1,301 mm
51.2 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)GTS 2.5
Power
365 hp
272 kW
0-100 km/h4.9 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
Power
390 hp
291 kW
0-100 km/h4.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.1 L/100 km
29.0 mpg US
34.9 mpg UK

Mercedes-Benz SLC (R172) Facelift 2016 AMG SLC 43 V6 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
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
4.9 s
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
8.1 L/100 km
29.0 mpg US
34.9 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
265 hp/t
198 kW/t
3.8 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Mercedes-BenzSLC (R172)Facelift 2016AMG SLC 43 V6
257 hp/t
191 kW/t
3.9 kg/hp
8.1 L/100 km
29.0 mpg US
34.9 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
390 hp
291 kW
Torque
420 Nm
310 lb-ft
520 Nm
384 lb-ft
Acceleration
4.9 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
1,375 kg
3,031 lb
1,520 kg
3,351 lb
Fuel consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
8.1 L/100 km
29.0 mpg US
34.9 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
4,133 mm
162.7 in
Height
1,301 mm
51.2 in
Range score
696 km
432 mi
741 km
460 mi
CO2 score
210 g/km
185 g/km
Trunk score
150 L
5.3 cu ft
225 L
7.9 cu ft
Power-to-weight score
265 hp/t
198 kW/t
3.8 kg/hp
257 hp/t
191 kW/t
3.9 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
Consumption9.2 L/100 km25.6 mpg US30.7 mpg UK8.1 L/100 km29 mpg US34.9 mpg UK
Cost / 100 km16.10 LC100 km14.17 LC100 km
Cost / 100 mi25.91 LC100 mi22.81 LC100 mi
Annual fuel used1,380 L365 US gal304 UK gal1,215 L321 US gal267 UK gal
Annual fuel cost2,415 LC/year2,126 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) GTS 2.5

  • Is 145 kg lighter
  • Has 35 km/h (22 mph) higher top speed
  • Has 9 hp/t better power-to-weight

Pros

  • Highest top speed
  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

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

  • Has 25 hp more
  • Has 100 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 1.1 L/100 km less fuel
  • Has 45 km (28 mi) more estimated range
  • Has 75 L more trunk volume
  • Emits 25 g/km less CO2

Pros

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

Cons

  • 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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