2020 Hyundai Sonata Pre-Purchase Inspection Checklist
Known Issues — 2020 Hyundai Sonata
MINOR
Theta II engine bearing failure on 2015-2019 models — critical recall (check VIN)
MINOR
Engine fire risk related to ABS module on some model years — check recalls
MINOR
2.0L turbo oil consumption on 7th gen models
MINOR
Panoramic sunroof stress fracture (exploding sunroof reports on 7th gen)
MINOR
Bluetooth/infotainment software bugs — intermittent disconnects
MINOR
Steering column rattle on high-mileage examples
What to Inspect
- Run VIN through NHTSA — multiple recall campaigns on 2015-2019 models
- Check engine oil level and look for consumption signs (dipstick)
- Inspect panoramic sunroof for cracks or stress marks around glass edges
- Test all power features: seats, mirrors, sunroof mechanism
- Listen for engine knock especially at startup and under load
- Test adaptive cruise control and lane keeping if equipped
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (synthetic) | every 5,000 miles | $50-$85 |
| Transmission service (automatic) | every 60,000 miles | $120-$200 |
| Spark plugs (iridium) | every 60,000 miles | $80-$150 |
| Brake pads front | every 40,000-60,000 miles | $130-$220 |
| Air filter | every 15,000-30,000 miles | $20-$40 |
| Coolant flush | every 60,000 miles | $80-$130 |
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