Used value estimate
2018 Chevrolet Tahoe value
By Hari Vinayak · Updated 2026-06-12
Quick answer
A 2018 Chevrolet Tahoe in good condition with average mileage (about 100,000 miles) is worth roughly $25,200 in a private-party sale — a fair range of $23,200 to $27,200, or about $29,000 at a dealer. Note: 2018 is a flagged year for this model (2015–2020) — Peak AFM/DFM lifter complaint years on the 5.3 — buy with the repair documented or a perfect cold start. Expect to pay at the lower end and budget for that risk.
Estimated value by mileage
Good condition, clean title. Mileage is the biggest single factor at this age.
| Mileage | Miles | Fair value | Private party |
|---|---|---|---|
| Lower mileage | 68,000 | $29,050 | $26,750–$31,350 |
| Average mileage | 100,000 | $25,200 | $23,200–$27,200 |
| Higher mileage | 136,000 | $20,850 | $19,200–$22,500 |
Is 2018 a good year to buy?
2018 is a flagged year (2015–2020): Peak AFM/DFM lifter complaint years on the 5.3 — buy with the repair documented or a perfect cold start.
See all Chevrolet Tahoe years to avoidWhat to check before you pay
- AFM/DFM lifter collapse on 5.3/6.2 V8s — cold-start ticking, misfires, or a check-engine light for cylinder misfire are the tells
- 2007–2014: dash cracking, door lock actuators, and HVAC blend door failures
- Loaded trims: autoride shocks and air compressor failures are expensive — test ride height and listen for the compressor
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