Cheapest Gas in Rochester, MN
Updated April 5, 2026 — Prices updated regularly from EIA data
$2.87
Lowest price at Costco in Rochester
Finding Cheap Gas in Rochester
Every cent counts when you're filling up in Rochester. The difference between the cheapest and most expensive stations in town is $$0.25 per gallon today — pure savings just from choosing the right location.
Maximum Savings in Rochester
Choose Costco over Chevron
$0.25 per gallon
$3.75 per 15-gallon fill • $12.00 per year (est.)
Cheapest Brands in Rochester
| Rank | Brand | Est. Price | Savings vs. Most Expensive |
|---|---|---|---|
| #1 | Costco | $2.87 | $0.25 |
| #2 | Speedway | $2.99 | $0.13 |
| #3 | Circle K | $3.00 | $0.12 |
| #4 | Sunoco | $3.03 | $0.09 |
| #5 | Marathon | $3.04 | $0.08 |
| #6 | BP | $3.06 | $0.06 |
| #7 | Mobil | $3.07 | $0.05 |
| #8 | Exxon | $3.08 | $0.04 |
| #9 | Shell | $3.10 | $0.02 |
| #10 | Chevron | $3.12 | $0.00 |
Gas Saving Tips for Rochester Drivers
- Avoid idling for more than 60 seconds. Modern engines warm up faster while driving than idling, and idling gets literally zero miles per gallon.
- Park in shaded areas when possible — parking in the sun increases evaporative fuel loss from your tank and makes the engine work harder to cool the cabin when you start driving.
- Combine errands into single efficient trips rather than making multiple short trips. Cold engines use significantly more fuel — letting the engine warm up across one longer trip is far more efficient.
- Check tire pressure monthly, especially as seasons change — tire pressure drops about 1 PSI for every 10-degree Fahrenheit temperature decrease.
- Fill up on Monday or Tuesday mornings — gas prices typically rise Thursday through Sunday as weekend demand increases, then reset lower early in the week.
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