2021 Kia Seltos - Maintenance & Specs
The 2021 Kia Seltos belongs to a Kia Seltos lineup that Know Your Ride tracks across 4 model years, from 2020 to 2026. Engine options on record include the 2.0L, 1.6L, 1.6L I4 / 2.0L I4. It is configured as front-wheel drive with an automatic (av-s8). The 2021 sits mid-run, with both earlier (2020) and later (2026) Seltos model years also documented.
It takes 0W-20 full synthetic oil, 4.2 qt with a new filter. Fluid specs on file include Long Life coolant, DOT 3 brake fluid, SP-IV transmission fluid. Know Your Ride lists 14 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 (124), engine and engine cooling (35), power train (27). A representative report reads: "The contact owns a 2021 Kia Seltos. The contact stated while driving at an undisclosed speed, the contact noticed an unusual knocking sound and the engine..." There are 2 safety recalls on record; one covers: Kia Motors America (Kia) is recalling certain 2020-2021 Soul, and 2021 Seltos vehicles equipped with 2.0L Nu MPI engines. The piston oil rings may....
EPA fuel economy is rated at 29 city / 34 highway MPG, 31 MPG combined. Estimated annual fuel cost is about $1,400.
Quick Specs
| Oil viscosity | 0W-20 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 4.2 qt |
| Oil filter | Kia 26300-35505 |
| EPA combined | 31 MPG |
| Tire size | 215/55R17 |
| Coolant | Long Life |
| NHTSA overall | 4 / 5 stars |
| Open recalls on record | 2 |
| Technical service bulletins | 132 |
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.