Bélus: is it worth driving to Spain for fuel?

Not worth it

No: the 142 km detour eats the price gap; at best €0.77 on 50 litres of petrol 95 at BIDASOIL in Irun (prices of 3 November 2026). Diesel: −€4.24.

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

−€4.24diesel, saving on 50 L

+€0.77petrol 95, saving on 50 L

59 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: 91 min

Cheapest station near you (≤ 10 km): €2.199/L — Plaine de la Règle RN 117 · 9.6 km, 14 min · 31 October 2026.

Station	Saving on 50 L	Price	One way	Detour
BIDASOIL (Irun)Carretera N-121 A Km. 76,4, Irun	−€4.24	€1.879/L	81 km · 60 min	+142 km
REPSOL (Irun)Calle Terminal De Zaisa-Behobia, S/N (Ctra. Nac.1), 484, Irun	−€5.63	€1.909/L	80 km · 59 min	+141 km
REPSOL (Irun)Calle Comete Sarea, 1, Irun	−€5.65	€1.909/L	80 km · 59 min	+141 km
NEUMATICOS Y SERVICIOS BEHOBIA, S.A. (Irun)CALLE EUROPA, Nº 18, 18, Irun	−€8.42	€1.965/L	80 km · 59 min	+141 km
VALCARCE (Irun)Calle Comete Sarea, 5, Irun	−€9.70	€1.989/L	80 km · 60 min	+141 km

All stations in Irun.

By tank size: 30 L −€10.64 · 50 L −€4.24 · 70 L +€2.16. The detour pays for itself from 63 L.

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

Best station in Spain€1.689/L

Gap40 c/L

Detour: 91 min

Cheapest station near you (≤ 10 km): €2.089/L — Plaine de la Règle RN 117 · 9.6 km, 14 min · 31 October 2026.

Station	Saving on 50 L	Price	One way	Detour
BIDASOIL (Irun)Carretera N-121 A Km. 76,4, Irun	+€0.77	€1.689/L	81 km · 60 min	+142 km
REPSOL (Irun)Paseo Endarlaza, S/N, Irun	−€4.71	€1.799/L	80 km · 60 min	+142 km
REPSOL (Irun)Calle Terminal De Zaisa-Behobia, S/N (Ctra. Nac.1), 484, Irun	−€5.12	€1.809/L	80 km · 59 min	+141 km
REPSOL (Irun)Calle Comete Sarea, 1, Irun	−€5.14	€1.809/L	80 km · 59 min	+141 km

All stations in Irun.

By tank size: 30 L −€7.23 · 50 L +€0.77 · 70 L +€8.77. The detour pays for itself from 48 L.