Costco Diesel Prices in Canada

Costco sells diesel at select warehouses, not chain-wide. Right now 6 of the 81 Costco gas stations we track in Canada post a live diesel price. Whether a warehouse has a diesel lane comes down to fuel-centre size and local demand, so the only reliable check is the station page itself. Like Costco's other fuels, diesel is sold at a thin margin to pull members onto the site, and it usually sits below nearby forecourts.

Members only. The pump reads your membership card before it dispenses, diesel included. Payment rules differ by country; see the Costco Canada fuel payment methods guide.

Prices change daily. The figures here refresh daily from public sources and differ from one station to the next. For every fuel at every warehouse, see the Canadian Costco fuel prices page. Always check the pump display before you fill.