Car comparison

Porsche Cayenne III GTS 4.0 V8vsJeep Grand Cherokee IV (WK2) · Facelift 2017 SRT 6.4 V8

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

New comparison

Porsche Cayenne III

GTS 4.0 V8

460 hp3996 ccGasolineAWDAutomaticTwin-turboSUV2020-2023
VS

Jeep Grand Cherokee IV (WK2) · Facelift 2017

SRT 6.4 V8

468 hp6417 ccGasolineAWDAutomaticNaturally aspiratedSUV2017-2021

Comparison overview

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

Best choices

Porsche Cayenne III GTS 4.0 V8

  • Quickest 0-100 km/h
    4.8 s
  • Fastest top speed
    270 km/h
    168 mph
  • Lightest
    2,145 kg
    4,729 lb
  • Best power-to-weight
    214 hp/t
    160 kW/t
    4.7 kg/hp
  • Lowest combined fuel consumption
    11.4 L/100 km
    20.6 mpg US
    24.8 mpg UK
  • Lowest city consumption
    15.3 L/100 km
    15.4 mpg US
    18.5 mpg UK
  • Lowest highway consumption
    9.1 L/100 km
    25.8 mpg US
    31.0 mpg UK
  • Best estimated range
    789 km
    491 mi
  • Best overall score
    82/100
  • Best performance score
    78/100
  • Best economy score
    76/100
  • Best practicality score
    92/100

Specification comparison

Specification comparison
ModelPorscheCayenne IIIGTS 4.0 V8JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
Power
460hp343kW
468hp349kW
Torque
620Nm457lb-ft
624Nm460lb-ft
Curb weight
2,145kg4,729lb
2,383kg5,254lb
Gross weight
2,860kg6,305lb
2,949kg6,501lb
Top speed
270 km/h
168 mph
257 km/h
160 mph
To 99% top speed
80.9s99% target: 267 km/h / 166 mph
Calculated
72.9s99% target: 254 km/h / 158 mph
Calculated
0-100 km/h
4.8s
5.0s
0-200 km/h
17.9s
19.1s
Calculated
0-60 mph
4.6s
Calculated
4.7s
Calculated
Fuel consumption
11.4L/100 km20.6mpg US24.8mpg UK
14.6L/100 km16.1mpg US19.3mpg UK
Fuel consumption city
15.3L/100 km15.4mpg US18.5mpg UK
21.4L/100 km11mpg US13.2mpg UK
Fuel consumption highway
9.1L/100 km25.8mpg US31.0mpg UK
10.7L/100 km22mpg US26.4mpg UK
Quarter mile
13.0s
Calculated
13.2s
Calculated
Power-to-weight
214hp/t160kW/t97hp/1000 lb
Calculated
196hp/t146kW/t89hp/1000 lb
Calculated
Torque-to-weight
289Nm/t193lb-ft/ton
Calculated
262Nm/t175lb-ft/ton
Calculated
Estimated range
789km491mi
Calculated
640km398mi
Calculated
Displacement
3,996cc244cu in
6,417cc392cu in
Length
4,929mm194in
4,846mm191in
Width
1,983mm78in
1,954mm77in
Height
1,676mm66in
1,749mm69in
Wheelbase
2,895mm114in
2,914mm115in
Front track
1,682mm66in
1,669mm66in
Rear track
1,665mm66in
1,661mm65in
Ground clearance-
201mm8in
Trunk volume
772L
800L
Max trunk volume
1,708L
1,689L
Doors
5
5
Seats
5
5
Fuel tank
90L
94L
CO2 emissions
260g/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 Cayenne III GTS 4.0 V8Jeep Grand Cherokee IV (WK2) Facelift 2017 SRT 6.4 V8PowerTorque
  • Porsche Cayenne III GTS 4.0 V8: Power / Torque
  • Jeep Grand Cherokee IV (WK2) Facelift 2017 SRT 6.4 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheCayenne IIIGTS 4.0 V86,000-6,500 rpm1,800-4,500 rpm6,800 rpm
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V86,250 rpm4,100 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheCayenne IIIGTS 4.0 V8JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.6 s
4.7 s
0-100 km/h
0-62 mph
4.8 s
5.0 s
0-200 km/h
0-124 mph
17.9 s
19.1 s
Top speed
270 km/h
168 mph
257 km/h
160 mph
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.6 s
5.7 s
1/8 mile
201 m
8.4 s
8.6 s
1000 ft
305 m
10.9 s
11.1 s
1/4 mile
402 m
13.0 s
13.2 s
Trap speed
1/4 mile
402 m
175 km/h
109 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
PorscheCayenne IIIGTS 4.0 V8
460 hp
343 kW
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
468 hp
349 kW

Jeep Grand Cherokee IV (WK2) Facelift 2017 SRT 6.4 V8 has 8 hp more than Porsche Cayenne III GTS 4.0 V8.

The biggest power difference is between Porsche Cayenne III GTS 4.0 V8 and Jeep Grand Cherokee IV (WK2) Facelift 2017 SRT 6.4 V8: 8 hp (6 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheCayenne IIIGTS 4.0 V8
620 Nm
457 lb-ft
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
624 Nm
460 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
PorscheCayenne IIIGTS 4.0 V8
2,145 kg
4,729 lb
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
2,383 kg
5,254 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
PorscheCayenne IIIGTS 4.0 V8
270 km/h
168 mph
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
257 km/h
160 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
PorscheCayenne IIIGTS 4.0 V84.8 s
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V85.0 s

Although Jeep Grand Cherokee IV (WK2) Facelift 2017 SRT 6.4 V8 has more power, Porsche Cayenne III GTS 4.0 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche Cayenne III GTS 4.0 V8 and Jeep Grand Cherokee IV (WK2) Facelift 2017 SRT 6.4 V8: 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
PorscheCayenne IIIGTS 4.0 V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
14.6 L/100 km
16.1 mpg US
19.3 mpg UK

The biggest fuel consumption difference is between Porsche Cayenne III GTS 4.0 V8 and Jeep Grand Cherokee IV (WK2) Facelift 2017 SRT 6.4 V8: 3.2 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
PorscheCayenne IIIGTS 4.0 V8
214 hp/t
160 kW/t
4.7 kg/hp
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
196 hp/t
146 kW/t
5.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
PorscheCayenne IIIGTS 4.0 V8
789 km
491 mi
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
640 km
398 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
PorscheCayenne IIIGTS 4.0 V8
460 hp
343 kW
4.8 s
270 km/h
168 mph
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
468 hp
349 kW
5.0 s
257 km/h
160 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
PorscheCayenne IIIGTS 4.0 V8
Power
460 hp
343 kW
0-100 km/h4.8 s
Top speed
270 km/h
168 mph
Doors/seats
5 doors
5 seats
Trunk
772 L
27.3 cu ft
Length
4,929 mm
194.1 in
Height
1,676 mm
66.0 in
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
Power
468 hp
349 kW
0-100 km/h5.0 s
Top speed
257 km/h
160 mph
Doors/seats
5 doors
5 seats
Trunk
800 L
28.3 cu ft
Length
4,846 mm
190.8 in
Height
1,749 mm
68.9 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
PorscheCayenne IIIGTS 4.0 V8
Power
460 hp
343 kW
0-100 km/h4.8 s
Top speed
270 km/h
168 mph
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
Power
468 hp
349 kW
0-100 km/h5.0 s
Top speed
257 km/h
160 mph
14.6 L/100 km
16.1 mpg US
19.3 mpg UK

Porsche Cayenne III GTS 4.0 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
PorscheCayenne IIIGTS 4.0 V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
4.8 s
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
5.0 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
PorscheCayenne IIIGTS 4.0 V8
214 hp/t
160 kW/t
4.7 kg/hp
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
196 hp/t
146 kW/t
5.1 kg/hp
14.6 L/100 km
16.1 mpg US
19.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorscheCayenne IIIGTS 4.0 V8JeepGrand Cherokee IV (WK2)Facelift 2017SRT 6.4 V8
Power
460 hp
343 kW
468 hp
349 kW
Torque
620 Nm
457 lb-ft
624 Nm
460 lb-ft
Acceleration
4.8 s
5.0 s
Top speed
270 km/h
168 mph
257 km/h
160 mph
Lightness
2,145 kg
4,729 lb
2,383 kg
5,254 lb
Fuel consumption
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
772 L
27.3 cu ft
Length
4,929 mm
194.1 in
Height
1,676 mm
66.0 in
Doors/seats
5 doors
5 seats
Trunk
800 L
28.3 cu ft
Length
4,846 mm
190.8 in
Height
1,749 mm
68.9 in
Range score
789 km
491 mi
640 km
398 mi
CO2 score
260 g/km
-
Trunk score
772 L
27.3 cu ft
800 L
28.3 cu ft
Power-to-weight score
214 hp/t
160 kW/t
4.7 kg/hp
196 hp/t
146 kW/t
5.1 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 Cayenne III GTS 4.0 V8Jeep Grand Cherokee IV (WK2) Facelift 2017 SRT 6.4 V8
Consumption11.4 L/100 km20.6 mpg US24.8 mpg UK14.6 L/100 km16.1 mpg US19.3 mpg UK
Cost / 100 km19.95 LC100 km25.55 LC100 km
Cost / 100 mi32.11 LC100 mi41.12 LC100 mi
Annual fuel used1,710 L452 US gal376 UK gal2,190 L579 US gal482 UK gal
Annual fuel cost2,993 LC/year3,833 LC/year

Head-to-head comparisons

Porsche Cayenne III GTS 4.0 V8

  • Is 238 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 13 km/h (8 mph) higher top speed
  • Uses 3.2 L/100 km less fuel
  • Has 18 hp/t better power-to-weight
  • Has 149 km (93 mi) more estimated range

Pros

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

Cons

  • Lowest power
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Cayenne III GTS 4.0 V8
Jeep Grand Cherokee IV (WK2) SRT 6.4 V8
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2 vehicles selected

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