All fuel categories in Andorra saw price hikes in September 2026 versus August, with petrol jumping over 10%

Fuel Prices Rise Across the Board in Andorra During September

All Fuels See Monthly Increases, with Heating Oil Up Nearly 10%

Average prices for all fuels in Andorra climbed in September 2026 compared to August, according to a report released on Monday by the Department of Statistics. The data, drawn from the Department of Environment and Sustainability, showed the sharpest monthly jump in unleaded petrol 95 octane, which rose 11.2% to €1.677 per litre. Unleaded 98 octane followed closely, up 10.8% to €1.737 per litre.

Diesel for vehicles increased more modestly, with standard diesel averaging €1.674 per litre—a 2.3% rise—and improved diesel at €1.705, up 2.2%. Heating oil also grew, reaching €1.491 per litre for home delivery (a 9.2% increase) and €1.454 for shop sales (up 9.6%).

Year-on-year comparisons with September 2025 revealed even steeper rises. Home-delivered heating oil surged 60%, while shop-sold heating oil jumped 66.4%. Vehicle diesel climbed 37.1%, with improved diesel up 36%. Unleaded 95 octane rose 29.1% and 98 octane 27.7%.

Over the first nine months of 2026, average prices compared to the same period in 2025 showed vehicle diesel up 22% at €1.516 per litre and improved diesel up 21.4% at €1.547. Unleaded 95 octane increased 11.3% to €1.487, and 98 octane rose 10.8% to €1.548. Heating oil saw the largest gains, with home delivery up 30.6% to €1.242 and shop sales up 33.3% to €1.197.

Looking at the past 12 months against the prior period, home heating oil averaged €1.168 (up 22.7%), shop heating oil €1.120 (up 24.6%), vehicle diesel €1.442 (up 15.8%), improved diesel €1.474 (up 15.3%), unleaded 95 octane €1.440 (up 7.3%), and 98 octane €1.500 (up 7%).