Aire de Saint Priest (A43): is it worth leaving the motorway for fuel?
Leave the motorway to fill up
Petrol 95 costs €2.399/L here, 41 c/L more than at the Heyrieux station (zac les brosses), exit 5: leaving the motorway saves €18.35 on 50 litres for a 14 km, 17 min detour (prices of 30 October 2026).
34 c/Ldiesel, services mark-up
41 c/Lpetrol 95, services mark-up
+€18.35petrol 95, saving on 50 L
| Exit | 5 (Heyrieux, L'Isle d'Abeau - Chesnes, St Quentin Fallavier) |
|---|---|
| Back onto the motorway | A 45, Chambériy, Grenoble |
| Detour | 14 km · 17 min |
| Tolls | toll motorway on this stretch: exit cost not counted |
Diesel — Leave the motorway to fill up
Price at the services: €2.479/L (1 November 2026) · Services mark-up (median): 27 c/L.
Price at the services€2.479/L
Heyrieux€2.139/L
Gap34 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| Heyrieuxzac les brosses | +€14.78 | €2.139/L | +14 km · 17 min |
| Saint-Priest91 Rte De Grenoble | +€12.88 | €2.150/L | +22 km · 25 min |
| Saint-Pierre-de-ChandieuRoute d'Heyrieux | +€12.28 | €2.179/L | +17 km · 18 min |
| Chassieu44 Route de Genas | +€10.02 | €2.190/L | +28 km · 29 min |
| Saint-Laurent-de-MureRn 6 | +€8.18 | €2.284/L | +9.8 km · 15 min |
Petrol 95 — Leave the motorway to fill up
Price at the services: €2.399/L (30 October 2026) · Services mark-up (median): 35 c/L.
Price at the services€2.399/L
Heyrieux€1.989/L
Gap41 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| Heyrieuxzac les brosses | +€18.35 | €1.989/L | +14 km · 17 min |
| Saint-Priest91 Rte De Grenoble | +€16.99 | €1.990/L | +22 km · 25 min |
| Saint-Laurent-de-MureRn 6 | +€12.63 | €2.116/L | +9.8 km · 15 min |
| Chassieu44 Route de Genas | +€12.11 | €2.071/L | +28 km · 29 min |
| Genas22 Route De Lyon | +€7.29 | €2.169/L | +27 km · 32 min |