AVOIR

2018 GMC Sierra K15

Ownership intelligence · Standard Pickup Trucks 4WD · Regular Gasoline
67
Average
High Risk
AVOIR Score out of 100

What's a 2018 GMC Sierra K15 worth?

$30,995 – $36,619
Estimated used-market value · median $33,998 · based on 93 recent listings from AVOIR's resale panel (updated weekly).
Track your 2018 GMC Sierra K15's value →
Get told when this car's price drops or a recall lands
Free · one email per change · unsubscribe in one click

Category Scores

Longevity 77
Maintenance 65
Depreciation 74
Performance 73
Efficiency 36

Reliability & Ownership FAQ

How long will a 2018 GMC Sierra K15 last?

AVOIR scores the 2018 GMC Sierra K15's longevity 77/100 (good), estimated from high-mileage survival data and resale-panel evidence of how far these vehicles actually run.

What does it cost to own a 2018 GMC Sierra K15?

AVOIR scores the 2018 GMC Sierra K15 on maintenance 65/100 and depreciation 74/100 — higher is better (lower real cost) — plus fuel, insurance and resale in the full breakdown above.

Compare your car →

AVOIR scores every vehicle across 7 ownership factors using EPA fuel-economy data, NHTSA safety & complaints, IIHS ratings, and a proprietary used-market resale panel.