Lagrange: is it worth driving to Spain for fuel?

Not worth it

No: the 119 km detour eats the price gap; at best −€2.30 on 50 litres of petrol 95 at REPSOL in Bausen (prices of 3 November 2026). Diesel: −€6.93.

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

−€6.93diesel, saving on 50 L

−€2.30petrol 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€1.979/L

Gap22 c/L

Detour: 107 min

Cheapest station near you (≤ 10 km): €2.199/L — 3150 Rn 117 · 2.3 km, 5 min · 2 November 2026.

Station	Saving on 50 L	Price	One way	Detour
REPSOL (Bausen)Cr N-230 186, Bausen	−€6.93	€1.979/L	65 km · 59 min	+125 km

By tank size: 30 L −€11.33 · 50 L −€6.93 · 70 L −€2.53. The detour pays for itself from 82 L.

Cheapest station near you (≤ 10 km)€1.990/L

Best station in Spain€1.729/L

Gap26 c/L

Detour: 99 min

Cheapest station near you (≤ 10 km): €1.990/L — 265 Route de Toulouse · 6.1 km, 9 min · 2 November 2026.

Station	Saving on 50 L	Price	One way	Detour
REPSOL (Bausen)Cr N-230 186, Bausen	−€2.30	€1.729/L	65 km · 59 min	+119 km

By tank size: 30 L −€7.52 · 50 L −€2.30 · 70 L +€2.92. The detour pays for itself from 59 L.