Costco Newmarket
107 Harry Walker Parkway S, Newmarket, Ontario L3Y 7B3
Regular
149.9¢
Premium
174.9¢
Diesel
136.3¢
Updated Nov 9, 2026View details →
Costco Gas Prices in Newmarket, Canada
Latest reported Costco fuel prices (cents per litre) in Newmarket, Ontario.
- Stations
- 1
- Avg. Regular
- 149.9¢
- Lowest Regular
- 149.9¢
- Avg. Diesel
- 136.3¢