IsItFair.caReal Ontario prices, last 30 days · by OmniaAuto
Is $114,471 fair for a 2026 GMC Sierra HD in Ontario?
A used 2026 Sierra HD typically sells for $114,471 in Ontario. The fair price depends most on mileage:
at 30,000 km$104,428 to $119,049estimated from nearby mileages
at 60,000 km$99,744 to $114,365estimated from nearby mileages
at 100,000 km$93,499 to $108,120estimated from nearby mileages
Listed in the last 30 days28
Sold in that time4
Still for sale24
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From 28 used 2026 Sierra HDs listed by dealers in Ontario in the last 30 days, 4 of them already sold. A car listed at several dealerships is counted once. Ranges are the middle half of prices at that mileage; “estimated” means few cars were listed at exactly that mileage. How it works.