Aire de Keskastel Ouest – (A4): is it worth leaving the motorway for fuel?
Small gain
Diesel costs €2.359/L here, 9 c/L more than at the Rimsdorf station (Rue Walter Schmitt), exit 42: leaving the motorway saves €3.42 on 50 litres for a 8.4 km, 10 min detour (prices of 2 November 2026).
9 c/Ldiesel, services mark-up
7 c/Lpetrol 95, services mark-up
+€3.42diesel, saving on 50 L
| Exit | 42 (Sarre-Union, Diemeringen, Drulingen) |
|---|---|
| Detour | 8.4 km · 10 min |
| Tolls | toll motorway on this stretch: exit cost not counted |
Diesel — Small gain
Price at the services: €2.359/L (2 November 2026) · Services mark-up (median): 9 c/L.
Price at the services€2.359/L
Rimsdorf€2.265/L
Gap9 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| RimsdorfRue Walter Schmitt | +€3.42 | €2.265/L | +8.4 km · 10 min |
| Diemeringen1 rue Paul Paray | −€9.63 | €2.499/L | +17 km · 28 min |
Petrol 95 — Stay on the motorway
Price at the services: €2.199/L (2 November 2026) · Services mark-up (median): 7 c/L.
Price at the services€2.199/L
Rimsdorf€2.129/L
Gap7 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| RimsdorfRue Walter Schmitt | +€2.30 | €2.129/L | +8.4 km · 10 min |
| Diemeringen1 rue Paul Paray | −€4.45 | €2.239/L | +17 km · 28 min |