2018 Acura MDX Pre-Purchase Inspection Checklist
Known Issues — 2018 Acura MDX
CRITICAL
SH-AWD rear differential failure at higher mileage
CRITICAL
Hybrid battery module degradation on Sport Hybrid models
MODERATE
6-speed automatic transmission shudder
MODERATE
Excessive oil consumption on 3.5L V6
MODERATE
Hybrid rear motor controller failure
MINOR
Infotainment touchpad input lag
What to Inspect
- Check SH-AWD rear differential for whine or vibration
- On Sport Hybrid — check hybrid battery health via OBD
- Test 6-speed transmission for smooth shifts
- Verify oil level after extended drive
- Test AcuraWatch camera-based ADAS systems
- Inspect touchpad infotainment for responsiveness
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (synthetic) | every 5,000 miles | $90-$120 |
| Transmission fluid service | every 30,000 miles | $200-$280 |
| SH-AWD rear differential fluid | every 30,000 miles | $150-$250 |
| Spark plugs | every 60,000 miles | $200-$280 |
| Hybrid battery inspection | every 50,000 miles | $150-$250 |
| Coolant flush | every 60,000 miles | $100-$150 |
| Brake service (pads and rotors) | every 50,000 miles | $400-$600 |
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