2018 Gmc Sierra prices in Canada
$19,995to$29,988
Typical asking range for a 2018 Gmc Sierra — the middle half of 9 vehicles listed. Median $25,500, median odometer 139,800 km. The cheapest tenth ask under $19,640, the dearest tenth over $33,395.
Small sample: 9 vehicles. Every figure below is indicative only. A thin answer beats no answer, and we would rather say it is thin than let it read as more than it is.
How these 9 are configured
| Field | Value | Listed | Share | Median asking |
|---|---|---|---|---|
| Drivetrain | 4X4 | 9 | 100% | $25,500 |
| Body style | Pickup | 9 | 100% | $25,500 |
| Fuel | Gasoline | 7 | 78% | $29,390 |
Share of the 9 above; values under 5 vehicles are omitted, so a field need not total 100%.
How long a 2018 Gmc Sierra takes to sell
Median days to sell
12.3
middle half 10–17.2 days
Cut price before selling
10%
11.7d if discounted vs 12.9d if not
Typical discount
$675
from 10 completed listings
| How long it took | Days listed |
|---|---|
| Fastest quarter, gone within | 10 days |
| Half of them gone within | 12.3 days |
| Three quarters gone within | 17.2 days |
| Nine in ten gone within | 30.6 days |
10 2018 Gmc Sierras that left the market. The ones still for sale are not in this table.
The model year either side
Get all 9 as a spreadsheet →Value your own vehicle — freePrice your whole lot — the DeskFree market research
Updated 07 September 2026 · 9 priced listings from 9 sellers. Asking prices, not sale prices, and not an appraisal — how these figures are built, terms.