2021 Porsche Cayenne - Maintenance & Specs
The 2021 Porsche Cayenne belongs to a Porsche Cayenne lineup that Know Your Ride tracks across 13 model years, from 2003 to 2026. Engine options on record include the 3.0L, 2.9L, 4.0L. It is configured as all-wheel drive with an automatic (s8). The 2021 sits mid-run, with both earlier (2003) and later (2026) Cayenne model years also documented.
It takes 0W-40 full synthetic oil, 4.5 qt with a new filter meeting A40. Fluid specs on file include Long Life coolant, DOT 4 brake fluid, Dexron VI transmission fluid. Know Your Ride lists 13 scheduled maintenance items for this vehicle, the earliest interval falling at 10,000 miles. Documented torque values include oil drain plug 20 ft-lb, lug nut 96 ft-lb, spark plug 18 ft-lb.
NHTSA complaints for this vehicle cluster around unknown or other (3), air bags (2), electrical system (2). A representative report reads: "Instrument cluster anti-glare film or delamination on center and left instrument cluster. The film is wearing away in certain irregular sport and shapes. The..." There are 5 safety recalls on record; one covers: Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Cayenne, Cayenne S, Cayenne Turbo, Cayenne GTS, Cayenne Coupe, Cayenne S Coupe....
EPA fuel economy is rated at 19 city / 23 highway MPG, 20 MPG combined. Estimated annual fuel cost is about $2,900.
Quick Specs
| Oil viscosity | 0W-40 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 4.5 qt |
| OEM oil spec | A40 |
| EPA combined | 20 MPG |
| Coolant | Long Life |
| Open recalls on record | 5 |
| Technical service bulletins | 200 |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
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Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.