Port-de-Lanne: is it worth driving to Spain for fuel?

Not worth it

No: the 135 km detour eats the price gap; at best €1.64 on 50 litres of petrol 95 at BIDASOIL in Irun (prices of 3 November 2026). Diesel: −€3.33.

Official prices: France (French Ministry of the Economy) as of 3 November 2026, Spain (MITECO) as of 3 November 2026 · Methodology

−€3.33diesel, saving on 50 L

+€1.64petrol 95, saving on 50 L

54 minto the first Spanish station

Diesel — Not worth it

Cheapest station near you (≤ 10 km)€2.199/L

Best station in Spain€1.879/L

Gap32 c/L

Detour: 87 min

Cheapest station near you (≤ 10 km): €2.199/L — Plaine de la Règle RN 117 · 9.6 km, 12 min · 31 October 2026.

Station	Saving on 50 L	Price	One way	Detour
BIDASOIL (Irun)Carretera N-121 A Km. 76,4, Irun	−€3.33	€1.879/L	77 km · 56 min	+135 km
ZABALETA (Irun)Calle Comete Sarea (Zaisa Ii), 7, Irun	−€4.33	€1.899/L	77 km · 56 min	+135 km
REPSOL (Irun)Calle Terminal De Zaisa-Behobia, S/N (Ctra. Nac.1), 484, Irun	−€4.71	€1.909/L	77 km · 54 min	+134 km
REPSOL (Irun)Calle Comete Sarea, 1, Irun	−€4.74	€1.909/L	77 km · 55 min	+135 km
NEUMATICOS Y SERVICIOS BEHOBIA, S.A. (Irun)CALLE EUROPA, Nº 18, 18, Irun	−€7.50	€1.965/L	77 km · 54 min	+134 km

All stations in Irun.

By tank size: 30 L −€9.73 · 50 L −€3.33 · 70 L +€3.07. The detour pays for itself from 60 L.

Cheapest station near you (≤ 10 km)€2.089/L

Best station in Spain€1.689/L

Gap40 c/L

Detour: 87 min

Cheapest station near you (≤ 10 km): €2.089/L — Plaine de la Règle RN 117 · 9.6 km, 12 min · 31 October 2026.

Station	Saving on 50 L	Price	One way	Detour
BIDASOIL (Irun)Carretera N-121 A Km. 76,4, Irun	+€1.64	€1.689/L	77 km · 56 min	+135 km
REPSOL (Irun)Cl Antxotxipi , 15, Irun	−€3.76	€1.795/L	77 km · 56 min	+136 km
REPSOL (Irun)Paseo Endarlaza, S/N, Irun	−€3.84	€1.799/L	77 km · 56 min	+135 km
REPSOL (Irun)Calle Terminal De Zaisa-Behobia, S/N (Ctra. Nac.1), 484, Irun	−€4.25	€1.809/L	77 km · 54 min	+134 km
REPSOL (Irun)Calle Comete Sarea, 1, Irun	−€4.27	€1.809/L	77 km · 55 min	+135 km

All stations in Irun.

By tank size: 30 L −€6.36 · 50 L +€1.64 · 70 L +€9.64. The detour pays for itself from 46 L.