2026 Porsche Cayenne — Full Specifications
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Running gear matters most — before anything else, UK: check tyre prices at TirendoUS: check wheel & tyre prices at WheelHero for this car's fitment.
The 2026 Porsche Cayenne is an SUV offered with 2 engines (3L 6-cyl turbo, 4L 8-cyl turbo). Its most fuel-efficient configuration returns around 23 mpg (UK) / 19 mpg (US EPA) combined, with 22–23 mpg (UK) across all configurations. Owners often keep a Porsche Cayenne workshop manual to hand for servicing and repairs.
Compared with the 2025 Porsche Cayenne: Fuel economy is essentially unchanged at around 23 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine (most efficient) | 3L 6-cyl turbo |
|---|---|
| Engine options | 3L 6-cyl turbo · 4L 8-cyl turbo |
| Transmission (most efficient) | Automatic (S8) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 23 combined / 20 urban / 28 extra-urban mpg |
| Fuel Economy (US EPA) | 19 combined / 17 city / 23 highway mpg |
| CO₂ Emissions | 291 g/km |
| EPA Greenhouse Gas Score | 3 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,350 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2026 Porsche Cayenne across 2 engines (3L 6-cyl turbo, 4L 8-cyl turbo). Combined fuel economy ranges from 18 to 19 mpg (US), or 22 to 23 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 3L 6-cyl turbo | Automatic (S8) | All-Wheel Drive | 23 | 19 (17/23) | 291 | $4,350 |
| 4L 8-cyl turbo | Automatic (S8) | All-Wheel Drive | 22 | 18 (16/21) | 306 | $4,550 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
Owner Essentials for the 2026 Porsche Cayenne
Running Costs: 2026 Porsche Cayenne
Covering around 8,000 miles a year in a 2026 Porsche Cayenne at 23 mpg combined, expect roughly 1,581 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,350 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.
2026 Porsche Cayenne Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists 1 safety recall campaign that include the 2026 Porsche Cayenne (as of 6 October 2026). Most affected areas: Fuel system (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Fuel system — campaign 25V634000, reported 23 September 2025. Risk: A fuel leak in the presence of an ignition source increases the risk of a fire.
Owners have filed 4 complaints with NHTSA about the 2026 Porsche Cayenne. The most-reported areas are Forward collision avoidance (4), Lane departure (1), Electrical system (1). That is well below the median of 20 complaints across the 16 Porsche Cayenne model years in our data.
Used-buyer checklist for the 2026 Porsche Cayenne
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Fuel system (1 recall campaign) — Ask whether any fuel-pump or fuel-system recalls were completed, and watch for hard starting or stalling.
- Driver-assist sensors (4 owner complaints) — Check that driver-assist warning lights are off and sensors are clean and undamaged.
- Electrical system (1 owner complaint) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Transmission & drivetrain (1 owner complaint) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
How does the Porsche Cayenne compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 23 mpg figure is 4 mpg below that average. Its 291 g/km CO₂ figure is 38 g/km higher than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
Porsche models in our database average about 26 mpg (UK) combined on their most efficient configuration; the 2026 Porsche Cayenne's 23 mpg is 3 mpg below that make average. Its 291 g/km CO₂ figure is 37 g/km higher than the 254 g/km Porsche average.
Of the 17 Porsche Cayenne model years we cover, the 2026 ranks 10th for combined fuel economy on its best configuration (23 mpg UK combined, against a high of 29 mpg). See every Porsche Cayenne year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2026 Porsche Cayenne
Frequently Asked Questions
What engine does the 2026 Porsche Cayenne have?
EPA lists 2 engines for the 2026 Porsche Cayenne: 3L 6-cyl turbo, 4L 8-cyl turbo. The most fuel-efficient configuration pairs the 3L 6-cyl turbo with a automatic (s8).
What is the fuel economy of the 2026 Porsche Cayenne?
The most efficient configuration returns around 23 mpg (UK) combined, or 19 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 22 to 23 mpg.
How much does the 2026 Porsche Cayenne cost to fuel per year?
The US EPA estimates about $4,350 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2026 Porsche Cayenne have any recalls?
NHTSA lists 1 safety recall campaign that include the 2026 Porsche Cayenne (as of 6 October 2026). Most affected areas: Fuel system (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2026 Porsche Cayenne?
Among the 4 owner complaints filed with NHTSA, the most-reported areas are Forward collision avoidance (4 complaints), Lane departure (1 complaint), Electrical system (1 complaint). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Porsche Cayenne's fuel economy good for an SUV?
It returns around 23 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.