By clicking a retailer link you consent to third party cookies that track your onward journey. If you make a purchase, Which? will receive an affiliate commission which supports our mission to be the UK's consumer champion.

PorscheCayenne E-Hybrid (2018-)

Available new
Medium/Large SUV
Plug-in hybrid (PHEV)

£76,855Typical price

Test score

where to buy or sell

The version of this car that we've reviewed might not be available to buy through all listed retailer links. For more options, see our guides on where to buy a car and how to sell a car.

Sign up to unlock the full expert review

Porsche’s full-size SUV, the Cayenne, entered its third generation in 2018. As well as conventional petrol-powered models, the Cayenne is offered in plug-in hybrid (PHEV) form, called the E-Hybrid. Does hybrid power make sense? And how well does the E-Hybrid compare with rivals like the Audi Q7, BMW X5, Mercedes-Benz GLE and Range Rover Sport? Find out in our full Porsche Cayenne E-Hybrid review.

pros

Content has been blurred out, please log in to view.

cons

What's included?

What is it?
What's it great at?
What's it like to drive?
How reliable are Porsche cars?
How comfortable and spacious is it?
How economical is it to run?
How safe is it?
Is there anything I should look out for?
Should I buy it?

Full Access first month £5, then £10.99 per month, cancel at any time

KEY TEST RESULTS
Comfort and practicality
Brand reliability 0-4 years

Jan 2023Last checked by Which?
Feb 2022First reviewed by Which?
May 2018Released

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

How we test cars

19 Oct 2023

Ease of driving

Overall
Visibility
Smoothness of power delivery
Driving stability
Cabin layout

How we test ease of driving

To find out how easy a car is to drive, we assess cars across a number of areas from visibility and handling to the layout of the cabin and how smoothly the engine delivers its power.

Performance

Overall
In-gear acceleration
Brakes

How we test performance

We test braking distances and whether the effectivess of the brakes fade with repeat use. Performanc is based on in-gear acceleration.

Comfort and practicality

Overall
Entry and exit
Seat comfort
Ride quality
Quietness
Seat space
Boot space (large cars, SUVs and MPVs)

How we test comfort and practicality

Comfort and practicality includes how easy it is, or not, to get in and out of the car and the maximum height of occupants. We also measure road, wind and engine noise and assess how well the car deals with bumps from large potholes to jittery surfaces like cobble stones.

Which? safety

Brand reliability 0-4 years

Overall
Petrol reliability

How we test brand reliability 0-4 years

Our reliability ratings are based on the feedback from tens of thousands of UK motorists, as collected in our annual Which? car survey. We divide all reliability feedback into three age groups: cars aged up to four years, five to nine years, and 10 to 15 years.

Brand reliability 5-9 years

General
Class	Medium/Large SUV
Luxury	Yes
Convertible	No
Availability	Available new
New price	£76,855 - £154,055
Fuel type	Plug-in hybrid (PHEV)
Tested fuel efficiency	40.8mpg
Length	4,918mm
Width (excluding wing mirrors)	1,983mm
Width (including wing mirrors)	2,205mm
Height	1,696mm
Driver max height
Second row passenger max height
Boot space with seats up
Boot space with seats down
Number of seats	5
Folding rear seats	Yes
Isofix attachments	Yes
Turning circle	11.85 m
On sale date	02 May 2018
Lowest pence per mile cost	£31.83

Latest tested engine
Engine name	Tiptronic S
Fuel type	Plug-in-Petrol-Hybrid
Capacity and power	3-litre (462hp)
Transmission	8-speed automatic
Driven wheels	Four-wheel-drive (4WD)
Fuel tank capacity	75 litres
Tested fuel economy: City / Out of town / Motorway (mpg)
Tested fuel efficiency (mi/kWh)
Tested fuel economy: Combined (mpg)
Cost per mile	31.83p per mile
Cost of filling tank	£108
Monthly fuel cost
Annual fuel cost
NOx level	Extremely Low (trace)
CO level	Medium
CO2 at tailpipe/tank-to-wheel (TTW) (g/km)	163
Well-to-wheel (WTW) CO2 (g/km)	262
Tested electric-only range (miles)	40 miles
Official fuel economy: WLTP	76.3 to 91.1
Official Euro emission level	Euro 6d
Braked tow load (KG)	3500kg
Unbraked tow load (KG)	750kg
Engine test date	18 November 2021
Test programme	2017

Suggested Alternatives

Mercedes-Benz

EQC (2019-2023)

Used only
Medium/Large SUV
Electric

£78,975Typical price

Test score

Renault

Espace (2003-2012)

Used only
MPV
Petrol/Diesel/Mild hybrid

£750Typical price

Test score

Seat

Altea (2004-2015)

Used only
MPV
Petrol/Diesel/Mild hybrid

£1,011Typical price

Test score

How to find cheap car insurance
Find out ways to get cheaper car insurance quotes from price comparison sites and how to haggle with car insurance companies to save money
Best electric cars for 2024
Our independent lab tests reveal the best electric cars with enough range to go the distance.
How we test cars
Every car we review is subjected to hundreds of tests in our lab and on the road. Find out how our tests help you choose the best car, and avoid the worst.

All new and used car advice

PorscheCayenne E-Hybrid (2018-)

where to buy or sell