Model year guide

2018 Porsche cayenne s

Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2018 Porsche cayenne s is worth — from official NHTSA and EPA data. 2 on record.

2018 Porsche cayenne s — representative photo
Representative photo · via Wikimedia Commons

2018 Porsche cayenne s at a glance

Safety recallsNone
Combined20 mpg

Included: that car's specs and build sheet, model-year recall campaigns and a fair price.

2018 Porsche cayenne s recalls 0

No NHTSA safety-recall campaigns are on record for the 2018 Porsche cayenne s.

Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.

2018 Porsche cayenne s MPG & running costs

Combined20 mpg
City17 mpg
Highway24 mpg
Est. annual fuel cost$4,100
EPA size classStandard Sport Utility Vehicle 4WD
TransmissionAutomatic (S8)
Forced inductionTurbocharged
Engine start-stopYes
5-yr fuel cost vs average new car$8,500 more

Source: U.S. EPA / DOE fueleconomy.gov.

Estimated 5-year cost to own

A rough guide to what running a 2018 Porsche cayenne s costs over five years and 75,000 miles.

Fuel (5 yrs)$20,500
Fuel only$20,500
Per mile$0.27

How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.

Dimensions & weight

Length
190.9 in
Width
76.4 in
Height
67.3 in
Wheelbase
114.2 in
Curb weight
5,181 lb
Front track
65.0 in
Rear track
65.7 in

Manufacturer-reported figures for the 2018 Porsche cayenne s. Source: Transport Canada vehicle specifications via NHTSA.

Investigations & service bulletins

Manufacturer service bulletins 346

Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 346.

Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils. Note that this bulletin covers all models back to model year 1984, for which C40 engine oils are allocated.

Bulletin No. 28-26 · Power Train, Engine · Sep 2026

Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils. Note that the bulletin covers all models back to model year 1984, for which C20 engine oils are allocated.

Bulletin No. 27-26 · Power Train, Engine · Sep 2026

Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils. Note that the bulletin includes all models back to model year 1984, for which C30 engine oils are allocated.

Bulletin No. 26-26 · Power Train, Engine · Sep 2026

Manufacturer's Certificate for Overview of Approved Porsche A40 Engine Oils. Note that this bulletin covers all vehicles from model year 1997 to 2020, for which A40 engine oils are assigned. Model years 1997-2001 are not available for selection in the system.

Bulletin No. 25-26 · Power Train, Engine · Sep 2026

Special Tools and Equipment Information for alignment machines - Q3 2026 Software Spec Update Available

Bulletin SPTL2609 · Steering, Suspension, Wheels · Sep 2026

Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment

Bulletin No. 12-26 · Electrical System · Sep 2026

Special Tools and Equipment Information for Diagnostic Equipment Standards for all USA Porsche Centers

Bulletin SPTL2314a · Aug 2026

Special Tools and Equipment Information for alignment machines - Q2 2026 Software Spec Update Available

Bulletin SPTL2608 · Steering, Suspension, Wheels · Aug 2026

Product Knowledge for Model Type Designations

Bulletin GR16D8a · Aug 2026

Product Knowledge for Chassis/VIN Numbering Systems

Bulletin GR16D8 · Aug 2026

Source: NHTSA Office of Defects Investigation, listed for the CAYENNE S AWD. Model-year data, not specific to one car.

2018 Porsche cayenne s trims & engines on record

Trims
S
Engines
3.6L 6-cyl 420 hp

2018 Porsche cayenne s vehicles on record

Other Porsche cayenne s model years

2018 Porsche cayenne s — frequently asked questions

Does the 2018 Porsche cayenne s have any safety recalls?

NHTSA lists no safety-recall campaigns for the 2018 Porsche cayenne s. Whether an individual car still needs a recall repair depends on its VIN — check it on NHTSA.gov or ask a franchised dealer. Recall repairs are done at no charge.

What gas mileage does the 2018 Porsche cayenne s get?

The 2018 Porsche cayenne s has a U.S. EPA estimate of 20 mpg combined (17 city / 24 highway).

Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.