Car comparison

Porsche 718 Cayman (982) GTS 2.5vsMercedes-Benz E-class Coupe (C238) E 450 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 E-class Coupe (C238)

E 450 V6

367 hp2996 ccGasolineAWDAutomaticTwin-turboCoupe2019-2020

Comparison overview

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

Best choices

Mercedes-Benz E-class Coupe (C238) E 450 V6

  • Most powerful
    367 hp
    274 kW
  • Highest torque
    500 Nm
    369 lb-ft
  • Lowest combined fuel consumption
    8.8 L/100 km
    26.7 mpg US
    32.1 mpg UK
  • Lowest city consumption
    12.3 L/100 km
    19.1 mpg US
    23.0 mpg UK
  • Lowest highway consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Best estimated range
    750 km
    466 mi
  • Largest trunk
    425 L
  • Best overall score
    66/100
  • Best economy score
    83/100
  • Best practicality score
    53/100

Porsche 718 Cayman (982) GTS 2.5

  • Quickest 0-100 km/h
    4.9 s
  • 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 performance score
    75/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)GTS 2.5Mercedes-BenzE-class Coupe (C238)E 450 V6
Power
365hp272kW
367hp274kW
Torque
420Nm310lb-ft
500Nm369lb-ft
Curb weight
1,375kg3,031lb
1,785kg3,935lb
Gross weight
1,450kg3,197lb
2,365kg5,214lb
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
70.5s99% target: 297 km/h / 185 mph
Calculated
69.3s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.9s
5.1s
0-200 km/h
14.6s
Calculated
17.8s
Calculated
0-60 mph
4.7s
Calculated
4.9s
Calculated
Fuel consumption
9.2L/100 km25.6mpg US30.7mpg UK
8.8L/100 km26.7mpg US32.1mpg UK
Fuel consumption city
12.8L/100 km18.4mpg US22.1mpg UK
12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption highway
7.1L/100 km33.1mpg US39.8mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Quarter mile
12.8s
Calculated
13.2s
Calculated
Power-to-weight
265hp/t198kW/t120hp/1000 lb
Calculated
206hp/t153kW/t93hp/1000 lb
Calculated
Torque-to-weight
305Nm/t204lb-ft/ton
Calculated
280Nm/t187lb-ft/ton
Calculated
Estimated range
696km432mi
Calculated
750km466mi
Calculated
Displacement
2,497cc152cu in
2,996cc183cu in
Length
4,393mm173in
4,846mm191in
Width
1,801mm71in
1,860mm73in
Height
1,286mm51in
1,431mm56in
Wheelbase
2,475mm97in
2,873mm113in
Front track
1,527mm60in
1,599mm63in
Rear track
1,535mm60in
1,591mm63in
Trunk volume-
425L
Max trunk volume
150L
-
Doors
2
2
Seats
2
4
Fuel tank
64L
66L
CO2 emissions
210g/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 E-class Coupe (C238) E 450 V6PowerTorque
  • Porsche 718 Cayman (982) GTS 2.5: Power / Torque
  • Mercedes-Benz E-class Coupe (C238) E 450 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-BenzE-class Coupe (C238)E 450 V65,250-6,000 rpm1,800-4,500 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Cayman (982)GTS 2.5Mercedes-BenzE-class Coupe (C238)E 450 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
4.9 s
0-100 km/h
0-62 mph
4.9 s
5.1 s
0-200 km/h
0-124 mph
14.6 s
17.8 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
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.7 s
5.8 s
1/8 mile
201 m
8.5 s
8.7 s
1000 ft
305 m
10.9 s
11.1 s
1/4 mile
402 m
12.8 s
13.2 s
Trap speed
1/4 mile
402 m
187 km/h
116 mph
176 km/h
109 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-BenzE-class Coupe (C238)E 450 V6
367 hp
274 kW

Mercedes-Benz E-class Coupe (C238) E 450 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 E-class Coupe (C238) E 450 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
420 Nm
310 lb-ft
Mercedes-BenzE-class Coupe (C238)E 450 V6
500 Nm
369 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-BenzE-class Coupe (C238)E 450 V6
1,785 kg
3,935 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-BenzE-class Coupe (C238)E 450 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-BenzE-class Coupe (C238)E 450 V65.1 s

Although Mercedes-Benz E-class Coupe (C238) E 450 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 E-class Coupe (C238) E 450 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
VehicleValue
Porsche718 Cayman (982)GTS 2.5
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Mercedes-BenzE-class Coupe (C238)E 450 V6
8.8 L/100 km
26.7 mpg US
32.1 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
265 hp/t
198 kW/t
3.8 kg/hp
Mercedes-BenzE-class Coupe (C238)E 450 V6
206 hp/t
153 kW/t
4.9 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-BenzE-class Coupe (C238)E 450 V6
750 km
466 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-BenzE-class Coupe (C238)E 450 V6
367 hp
274 kW
5.1 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
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-BenzE-class Coupe (C238)E 450 V6
Power
367 hp
274 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
425 L
15.0 cu ft
Length
4,846 mm
190.8 in
Height
1,431 mm
56.3 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)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-BenzE-class Coupe (C238)E 450 V6
Power
367 hp
274 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.8 L/100 km
26.7 mpg US
32.1 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
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
4.9 s
Mercedes-BenzE-class Coupe (C238)E 450 V6
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
5.1 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
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-BenzE-class Coupe (C238)E 450 V6
206 hp/t
153 kW/t
4.9 kg/hp
8.8 L/100 km
26.7 mpg US
32.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Cayman (982)GTS 2.5Mercedes-BenzE-class Coupe (C238)E 450 V6
Power
365 hp
272 kW
367 hp
274 kW
Torque
420 Nm
310 lb-ft
500 Nm
369 lb-ft
Acceleration
4.9 s
5.1 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
1,785 kg
3,935 lb
Fuel consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
8.8 L/100 km
26.7 mpg US
32.1 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
4 seats
Trunk
425 L
15.0 cu ft
Length
4,846 mm
190.8 in
Height
1,431 mm
56.3 in
Range score
696 km
432 mi
750 km
466 mi
CO2 score
210 g/km
-
Trunk score
150 L
5.3 cu ft
425 L
15.0 cu ft
Power-to-weight score
265 hp/t
198 kW/t
3.8 kg/hp
206 hp/t
153 kW/t
4.9 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 E-class Coupe (C238) E 450 V6
Consumption9.2 L/100 km25.6 mpg US30.7 mpg UK8.8 L/100 km26.7 mpg US32.1 mpg UK
Cost / 100 km16.10 LC100 km15.40 LC100 km
Cost / 100 mi25.91 LC100 mi24.78 LC100 mi
Annual fuel used1,380 L365 US gal304 UK gal1,320 L349 US gal290 UK gal
Annual fuel cost2,415 LC/year2,310 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) GTS 2.5

  • Is 410 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 35 km/h (22 mph) higher top speed
  • Has 60 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

Mercedes-Benz E-class Coupe (C238) E 450 V6

  • Has 2 hp more
  • Has 80 Nm more
  • Uses 0.4 L/100 km less fuel
  • Has 54 km (34 mi) more estimated range
  • Has 275 L more trunk volume

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 E-class Coupe (C238) E 450 V6
Compare selected cars
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