Aire du Mont Saint Michel (A84): is it worth leaving the motorway for fuel?
Small gain
Diesel costs €2.250/L here, 9 c/L more than at the Avranches station (Avenue du Quesnoy): leaving the motorway saves €4.37 on 50 litres for a 0.9 km, 9 min detour (prices of 3 November 2026).
9 c/Ldiesel, services mark-up
0 c/Lpetrol 95, services mark-up
+€4.37diesel, saving on 50 L
| Exit | (Cromel) |
|---|---|
| Back onto the motorway | E 03, E 401 |
| Detour | 0.9 km · 9 min |
| Tolls | no toll on this stretch |
Diesel — Small gain
Price at the services: €2.250/L (3 November 2026) · Services mark-up (median): 3 c/L.
Price at the services€2.250/L
Avranches€2.160/L
Gap9 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| AvranchesAvenue du Quesnoy | +€4.37 | €2.160/L | +0.9 km · 9 min |
| AvranchesSaint Martin des Champs Route d'Isigny le Buat | +€4.10 | €2.160/L | +2.8 km · 11 min |
| AvranchesParc D'Activite De La Baie | +€1.08 | €2.222/L | +2.2 km · 5 min |
| Le Val-Saint-PèreBoulevard Du Luxembourg | −€0.26 | €2.250/L | +1.8 km · 6 min |
| Saint-JamesZone De Beaufour | −€1.22 | €2.199/L | +26 km · 19 min |
Petrol 95 — Stay on the motorway
Price at the services: €1.990/L (3 November 2026) · Services mark-up (median): -8 c/L.
Price at the services€1.990/L
Le Val-Saint-Père€1.990/L
Gap0 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| Le Val-Saint-PèreBoulevard Du Luxembourg | −€0.23 | €1.990/L | +1.8 km · 6 min |
| Tanis31 Route Nationale | −€2.88 | €1.990/L | +22 km · 19 min |
| AvranchesParc D'Activite De La Baie | −€3.19 | €2.048/L | +2.2 km · 5 min |
| AvranchesAvenue du Quesnoy | −€5.52 | €2.098/L | +0.9 km · 9 min |
| Ducey-Les Chéris59 Avenue Émile Dehousse | −€8.10 | €2.129/L | +8.9 km · 10 min |