Used car buyer's brief
What owners love. What breaks at typical mileage. What people are actually paying. Then run the VIN through EstimateProof for $25 before you sign anything.
Owners praise the 2018 Impala's 3.6L V6 engine paired with the nine-speed automatic transmission for highway fuel economy around 28–30 mpg and smooth acceleration when merging. The spacious back seat fits three adults comfortably, and the trunk swallows luggage for a road trip without folding seats. Many buyers kept these cars past 150k miles specifically because the V6 feels unhurried but willing, not strained.
The nine-speed transmission began showing hesitation and clunking between 60k and 90k miles in dozens of owner reports, sometimes requiring a full reprogram or replacement around $3,500–$5,000. Paint peeling and clear-coat failure appeared early on the hood and roof, especially on silver and white examples. Infotainment system freezing and Bluetooth disconnects plague many units by 80k miles, often fixed only by a dealer software update or head-unit swap.
Under 80k miles: $14,500–$17,200. 80k–140k: $11,800–$14,900. Over 140k: $8,500–$11,200. Higher trims (Premiums with leather) command 15–20% premiums, and accident history or transmission work drops asking prices 10–15% across all bands. Regional supply varies; Impala inventory is thin in the West.
Ranges are typical 2026 asking prices, not appraisals. The actual fair offer depends on this specific car's title history, accident record, and open recalls — which is what EstimateProof tells you.
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