2018 Hyundai Santa Fe - Maintenance & Specs
The 2018 Hyundai Santa Fe belongs to a Hyundai Santa Fe lineup that Know Your Ride tracks across 13 model years, from 2001 to 2026. Engine options on record include the 3.3L, 2.0L I4 / 2.4L I4 / 3.3L V6. It is configured as front-wheel drive with an automatic (s6). The 2018 sits mid-run, with both earlier (2001) and later (2026) Santa Fe model years also documented.
It takes 5W-20 full synthetic oil, 5.1 qt with a new filter meeting API SN Plus. Fluid specs on file include Long Life coolant, DOT 3 brake fluid, SP-IV transmission fluid. Know Your Ride lists 15 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include oil drain plug 26 ft-lb, lug nut 80 ft-lb, spark plug 18 ft-lb.
NHTSA complaints for this vehicle cluster around engine (36), service brakes, hydraulic (12), unknown or other (7). A representative report reads: "On April 13, 2026, I arrived home and parked the vehicle, engaging the traditional shifter into the "Park" position and turning off the engine. After exiting..." There are 2 safety recalls on record; one covers: Hyundai Motor America (Hyundai) is recalling certain 2018 Hyundai Santa Fe and Santa Fe Sport vehicles. The steering wheel assembly may break....
EPA fuel economy is rated at 17 city / 23 highway MPG, 20 MPG combined. Estimated annual fuel cost is about $2,200.
Quick Specs
| Oil viscosity | 5W-20 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 5.1 qt |
| OEM oil spec | API SN Plus |
| Oil filter | Fram XG7317 |
| EPA combined | 20 MPG |
| Tire size | 245/60R18 |
| Coolant | Long Life |
| NHTSA overall | 5 / 5 stars |
| Open recalls on record | 2 |
| Technical service bulletins | 91 |
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.