The median 2018 F-250 Super Duty in the Canadian market sits at $37,988. That's your anchor. If a seller is asking well above it, you'd want a reason on paper, and if they're below it, check the odometer and the history before you get excited.
Most of these trucks land between $31,247 and $43,295. So a $12,000 spread separates a clean, lower-km example at the top from a higher-mileage or rougher one near the bottom. The median mileage here is about 202,500 km, which is a working number for a diesel-era heavy-duty truck. Price a truck against that. Something with 150,000 km should be pulling toward the upper half of the range, and one pushing past 250,000 belongs closer to the floor.
What to actually pay
Treat $38,000 as the middle and negotiate from there. A fair deal on a well-kept 2018 sits in the low-to-mid $30s once you account for typical wear at this age and distance. Above $43,000 you're paying a premium, and it needs to be a low-km or loaded example to justify it.
One more signal: we've flagged 4 deals on this model year in the last 90 days. Not a flood, but enough that priced-right trucks are moving. If you find one in the low $30s with clean records and reasonable km, don't sit on it for a week.
Numbers reflect live listings across Canada over the last 90 days, filtered for outliers. Data as of . Prices in CAD.