Diet Pepsi Price at Subway (2026)
A Diet Pepsi costs C$4.03 at Subway in Canada (updated September 2026).
Subway's Diet Pepsi® is priced at C$4.03 in Canada right now (September 2026). That's about 0% above the typical Subway drink item — the 7th-cheapest of 19 we track. It's available at around 250 Subway locations across Canada. Prices are sourced from delivery platforms and refreshed regularly. Browse the latest Subway drink prices and find the cheapest pick on MenuPriceToday.
How this compares in Drinks
19 items tracked| This item | C$4.03 |
| Drinks median | C$4.03 |
| Cheapest — Gatorade® Cool Blue | C$3.59 |
| Most expensive — bubly pop berry | C$5.19 |
| vs Drinks median | 0% |
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