Aire du Granier (A43): is it worth leaving the motorway for fuel?
Leave the motorway to fill up
Petrol 95 costs €2.459/L here, 47 c/L more than at the Porte-de-Savoie station (Route Nationale 6), exit 21: leaving the motorway saves €23.37 on 50 litres for a 0.8 km, 5 min detour (prices of 2 November 2026).
32 c/Ldiesel, services mark-up
47 c/Lpetrol 95, services mark-up
+€23.37petrol 95, saving on 50 L
| Exit | 21 (Chignin, Les Marches) |
|---|---|
| Detour | 0.8 km · 5 min |
| Tolls | toll motorway on this stretch: exit cost not counted |
Diesel — Leave the motorway to fill up
Price at the services: €2.519/L (1 November 2026) · Services mark-up (median): 32 c/L.
Price at the services€2.519/L
Porte-de-Savoie€2.199/L
Gap32 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| Porte-de-Savoie133 rue de la Scierie | +€15.90 | €2.199/L | +0.6 km · 5 min |
| MontmélianChemin de la Caronnière | +€15.07 | €2.199/L | +5.7 km · 9 min |
| La RavoireRd 1006 Carrefour La Trousse | +€14.84 | €2.150/L | +22 km · 22 min |
| ChapareillanChemin Des Noyers | +€14.27 | €2.199/L | +11 km · 14 min |
| Chambéry427 Rue Ducretet | +€13.86 | €2.150/L | +28 km · 25 min |
Petrol 95 — Leave the motorway to fill up
Price at the services: €2.459/L (2 November 2026) · Services mark-up (median): 36 c/L.
Price at the services€2.459/L
Porte-de-Savoie€1.989/L
Gap47 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| Porte-de-SavoieRoute Nationale 6 | +€23.37 | €1.989/L | +0.8 km · 5 min |
| Laissaud120 Rue Du Gresivaudan | +€20.83 | €1.990/L | +16 km · 20 min |
| La RavoireRd 1006 Carrefour La Trousse | +€19.93 | €1.990/L | +22 km · 22 min |
| Chambéry427 Rue Ducretet | +€18.97 | €1.990/L | +28 km · 25 min |
| Porte-de-Savoie133 rue de la Scierie | +€17.90 | €2.099/L | +0.6 km · 5 min |