Grandfontaine: is it worth driving to Germany for fuel?

Not worth it

No: the 105 km detour eats the price gap; at best −€12.43 on 50 litres of petrol 95 E10 at JET in Kehl. Prices of 7 November 2026. Diesel: −€22.75.

Official prices of 7 November 2026: France (Ministry of the Economy), Germany (MTS-K via Tankerkönig) · Methodology

−€22.75diesel, saving on 50 L

−€12.43petrol 95 E10, saving on 50 L

52 minto the first German station

Diesel — Not worth it

Cheapest station near you (≤ 10 km)€2.090/L

Best station in Germany€2.259/L

Detour: 96 min

Cheapest station near you (≤ 10 km): €2.090/L — Rue de l'Ancien Sanatorium · 5.6 km, 9 min · 6 November 2026.

Station	Saving on 50 L	Price	One way	Detour
JET (Kehl)Strassburger Str. 7 A, Kehl	−€22.75	€2.259/L	58 km · 57 min	+105 km
ESSO (Kehl (Kehl-Goldscheuer))Roemerstr. 2, Kehl (Kehl-Goldscheuer)	−€22.95	€2.269/L	56 km · 52 min	+103 km
ESSO (Kehl)Strassburgerstr. 26, Kehl	−€23.16	€2.269/L	57 km · 57 min	+105 km
Shell (Kehl)Eugen-Ensslin-Str. 2, Kehl	−€23.28	€2.269/L	58 km · 58 min	+106 km
ARAL (Kehl)Strassburger Straße 11a, Kehl	−€23.33	€2.269/L	58 km · 58 min	+106 km

All stations in Kehl.

Nearest German station: ARAL (Kehl), Straßburger Straße 34a, Kehl — €2.269/L, 58 km · 57 min, detour +106 km, saving on 50 L −€23.35.

By tank size: 30 L −€19.37 · 50 L −€22.75 · 70 L −€26.13.

Cheapest station near you (≤ 10 km)€1.889/L

Best station in Germany€1.879/L

Gap1 c/L

Detour: 96 min

Cheapest station near you (≤ 10 km): €1.889/L — Rue de l'Ancien Sanatorium · 5.6 km, 9 min · 6 November 2026.

Station	Saving on 50 L	Price	One way	Detour
JET (Kehl)Strassburger Str. 7 A, Kehl	−€12.43	€1.879/L	58 km · 57 min	+105 km
ESSO (Kehl (Kehl-Goldscheuer))Roemerstr. 2, Kehl (Kehl-Goldscheuer)	−€12.65	€1.889/L	56 km · 52 min	+103 km
ESSO (Kehl)Strassburgerstr. 26, Kehl	−€12.85	€1.889/L	57 km · 57 min	+105 km
Shell (Kehl)Eugen-Ensslin-Str. 2, Kehl	−€12.95	€1.889/L	58 km · 58 min	+106 km
ARAL (Kehl)Strassburger Straße 11a, Kehl	−€13.00	€1.889/L	58 km · 58 min	+106 km

All stations in Kehl.

Nearest German station: ARAL (Kehl), Straßburger Straße 34a, Kehl — €1.889/L, 58 km · 57 min, detour +106 km, saving on 50 L −€13.01.

By tank size: 30 L −€12.63 · 50 L −€12.43 · 70 L −€12.23. The detour pays for itself from 1,293 L.