日次価格速報·
2026-08-17 — Japan gasoline price update | regular national avg 165.9 JPY/L
Japan's national average regular price is 165.9 JPY/L, 0.8 JPY higher than yesterday. See trends for high-octane, diesel, and kerosene, plus today's cheapest and most expensive prefectures.
National gasoline price update for August 17, 2026. Prices are aggregated from user submissions and public sources.
National average by fuel type
| Fuel | Today's average | vs yesterday |
|---|---|---|
| Regular | 165.9 JPY/L | +0.8 |
| High-Octane | 177 JPY/L | +0.8 |
| Diesel | 155.6 JPY/L | +1 |
| Kerosene | — | — |
Top 5 cheapest prefectures (regular)
- Toyama — avg 154.8 JPY/L (5 stations)
- Mie — avg 156.1 JPY/L (7 stations)
- Saitama — avg 160.4 JPY/L (40 stations)
- Aichi — avg 161.9 JPY/L (43 stations)
- Kumamoto — avg 162.7 JPY/L (12 stations)
Top 5 most expensive prefectures (regular)
- Niigata — avg 177.3 JPY/L (7 stations)
- Nagano — avg 176.2 JPY/L (18 stations)
- Kochi — avg 174.5 JPY/L (8 stations)
- Fukushima — avg 173 JPY/L (21 stations)
- Ehime — avg 172.5 JPY/L (10 stations)
Related
Prices are reference information aggregated from user submissions and public sources. Please confirm at the pump before fueling.












