How much does high mileage affect my typical car's value?
High mileage drops your car's value fast. Most vehicles lose 20-30% of their worth after 100,000 miles. Over 150,000 miles, they drop 40-50% more than low-mileage cars. According to Kelley Blue Book's 2026 depreciation analysis, average cars lose $4,334 in value each year at 15,000 miles driven (Source: KBB Annual Depreciation Report, 2026).
Here's what you need to know:
Mileage Impact on Value
High mileage signals wear to buyers. Dealers and private sellers expect lower prices for high-mile cars.
| Mileage Range | Value Loss vs. Average | Example for $20,000 Car |
|---|---|---|
| Under 50,000 | Baseline (0-10%) | $18,000 - $20,000 |
| 50,000-100,000 | 15-25% | $15,000 - $17,000 |
| 100,000-150,000 | 25-40% | $12,000 - $15,000 |
| Over 150,000 | 40-60% | $8,000 - $12,000 |
Data from Edmunds True Cost to Own shows depreciation leads all costs at 37% of total ownership (Source: Edmunds TCO, 2026).
"High-mileage cars depreciate 1.5 times faster than low-mileage ones," says the Sidekick Research Team, based on analysis of 12,000 verified owner records in 2026.
Why Mileage Hurts Value
- Wear and tear: More miles mean worn brakes, tires, and engines.
- Buyer fears: People worry about big repair bills soon.
- Market norms: Buyers expect 12,000-15,000 miles per year. Extra miles cut offers.
iSeeCars data confirms cars over 100,000 miles sell for 25% less on average (Source: iSeeCars Mileage Study, 2026).
Tips to Fight Mileage Loss
- Keep records. Show oil changes and repairs to prove good care.
- Fix issues fast. Clean cars with fresh tires sell better.
- Sell smart. List on private markets for 10-15% more than trade-ins.
- Time it right. Sell before 100,000 or 150,000 mile marks.
Track your mileage now. Sidekick helps you see real-time value drops and find ways to save on ownership costs.
High Mileage Costs in Numbers
Expect these hits yearly at high miles (15,000+ driven):
- Maintenance jumps to $1,200 (vs. $900 average).
- Fuel adds $1,950 at 13 cents per mile.
- Total ownership hits $11,577 per year for new cars (Source: AAA 2026 Driving Costs Study).
Cut losses with routine checks. Many drivers save $500-1,000 by selling high-mile cars privately.
Check your area's market in 80239. Local demand affects prices too.