Aire d'Authezat (A75): is it worth leaving the motorway for fuel?
Leave the motorway to fill up
Diesel costs €2.425/L here, 22 c/L more than at the La Roche-Blanche station (Lieudit Chateaugay), exit 5: leaving the motorway saves €10.27 on 50 litres for a 4.6 km, 9 min detour (prices of 1 November 2026).
22 c/Ldiesel, services mark-up
14 c/Lpetrol 95, services mark-up
+€10.27diesel, saving on 50 L
| Exit | 5 (Aydat, St-Amant-Tallende, Orcet) |
|---|---|
| Detour | 4.6 km · 9 min |
| Tolls | no toll on this stretch |
Diesel — Leave the motorway to fill up
Price at the services: €2.425/L (1 November 2026) · Services mark-up (median): 20 c/L.
Price at the services€2.425/L
La Roche-Blanche€2.205/L
Gap22 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| La Roche-BlancheLieudit Chateaugay | +€10.27 | €2.205/L | +4.6 km · 9 min |
| Saint-Amant-TallendeCd 213 | +€9.71 | €2.199/L | +10 km · 13 min |
| Les Martres-de-VeyreAvenue du commandant Berrier | +€9.63 | €2.219/L | +4.2 km · 10 min |
| ChampeixRoute De Montaigut Le Blanc | +€8.96 | €2.180/L | +21 km · 26 min |
| Pérignat-sur-AllierRoute De Cournon | +€8.91 | €2.199/L | +15 km · 21 min |
Petrol 95 — Small gain
Price at the services: €2.235/L (1 November 2026) · Services mark-up (median): 14 c/L.
Price at the services€2.235/L
Veyre-Monton€2.099/L
Gap14 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| Veyre-Monton16 Chemin Du Chardonnet | +€6.10 | €2.099/L | +4.8 km · 6 min |
| Cournon-d'AuvergneAvenue Des Domes | +€5.84 | €2.099/L | +6.6 km · 12 min |
| Vic-le-ComteZAC des Meules 2 | +€4.12 | €2.109/L | +15 km · 20 min |
| Pérignat-sur-AllierRoute De Cournon | +€4.09 | €2.109/L | +15 km · 21 min |
| La Roche-BlancheLieudit Chateaugay | +€4.03 | €2.141/L | +4.6 km · 9 min |