2018 Tesla Model 3 Pre-Purchase Inspection Checklist
Known Issues — 2018 Tesla Model 3
MODERATE
Battery degradation and range loss over time
MODERATE
Touchscreen/MCU freezing and unresponsiveness
MINOR
Door handle failures and sticking issues
MINOR
Suspension noise and creaking from front control arms
MODERATE
Water leaks in trunk and door seals
MINOR
Brake pad wear accelerated by regenerative braking system
What to Inspect
- Battery health status and estimated range degradation via Tesla diagnostics
- Touchscreen responsiveness and software version compatibility
- Door handle mechanisms and exterior trim fit and finish
- Front suspension components for wear, noise, and alignment
- Brake system condition and pad thickness despite regenerative braking
- Weatherstripping integrity around doors, trunk, and windows for water intrusion
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Tire rotation and balance | every 6,250 miles | $150-$250 |
| Brake fluid replacement | every 2 years | $150-$300 |
| Cabin air filter replacement | every 12,500 miles | $50-$100 |
| Battery coolant flush | every 2 years | $200-$400 |
| Windshield wiper blade replacement | every 12 months | $25-$50 |
| Door seal and weatherstrip replacement | as needed | $300-$800 |
| Suspension component inspection and repair | as needed | $400-$1,200 |
| MCU/Touchscreen software update or replacement | as needed | $500-$1,500 |
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