Prices › Gmc › Sierra-3500 › 2026 › Ontario

2026 Gmc Sierra-3500 prices in Ontario

$115,443to$131,794

Typical asking range for a 2026 Gmc Sierra-3500 in Ontario — the middle half of 24 vehicles listed. Median $120,600. The cheapest tenth ask under $96,600, the dearest tenth over $135,077.

Small sample: 24 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 24 are configured

Field	Value	Listed	Share	Median asking
Drivetrain	4X4	24	100%	$120,600
Body style	Pickup	24	100%	$120,600
Fuel	Diesel	17	71%	$121,760

Share of the 24 above; values under 5 vehicles are omitted, so a field need not total 100%.

How many are discounted right now

Asking less than they first did

46%

11 of 24 listed

Typical markdown

$6,150

4.6% off the first asking price

Middle half of markdowns

$2,326–$7,000

quartiles of the 11 that moved

11 of 24 2026 Gmc Sierra-3500s in Ontario are asking below the first price we recorded for them, so this share is a floor.

Where they are in Ontario

Seller city	Listed	Share of province	Median asking
Milton	10	42%	$131,777
Oshawa	6	25%	$114,186
Brampton	4	17%	$120,335

Seller city, not buyer city: 20 of the 24 in Ontario sit in these 3.

How long a 2026 Gmc Sierra-3500 takes to sell in Ontario

Median days to sell

45.1

middle half 18.5–54.9 days

Cut price before selling

42.9%

38.7d if discounted vs 45.1d if not

Typical discount

$8,402

from 14 completed listings

How long it took	Days listed
Fastest quarter, gone within	18.5 days
Half of them gone within	45.1 days
Three quarters gone within	54.9 days
Nine in ten gone within	60.5 days

14 2026 Gmc Sierra-3500s in Ontario that left the market. The ones still for sale are not in this table.

The same vehicle in other provinces

Province	Vehicles listed	Median asking	Typical range
Quebec	45	$119,598	$102,349 – $124,929
Alberta	41	$113,814	$90,284 – $123,953
British Columbia	26	$115,042	$104,008 – $122,384
Nova Scotia	14	$122,658	$120,352 – $124,590

Get all 24 as a spreadsheet →Free 20-row sample

Inventory rather than price: Ontario listing counts, seller counts and the top models by volume are on the Ontario data page.

Updated 21 September 2026 · 24 priced listings from 7 sellers. Asking prices, not sale prices, and not an appraisal — how these figures are built, terms.