Aire Sarthe-Touraine (A28): is it worth leaving the motorway for fuel?
Small gain
Diesel costs €2.356/L here, 21 c/L more than at the Montval-sur-Loir station (zac du chêne vert), exit 26: leaving the motorway saves €8.71 on 50 litres for a 12 km, 19 min detour (prices of 31 October 2026).
21 c/Ldiesel, services mark-up
15 c/Lpetrol 95, services mark-up
+€8.71diesel, saving on 50 L
| Exit | 26 (Montabon) |
|---|---|
| Detour | 12 km · 19 min |
| Tolls | toll motorway on this stretch: exit cost not counted |
Diesel — Small gain
Price at the services: €2.356/L (31 October 2026) · Services mark-up (median): 21 c/L.
Price at the services€2.356/L
Montval-sur-Loir€2.145/L
Gap21 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| Montval-sur-Loirzac du chêne vert | +€8.71 | €2.145/L | +12 km · 19 min |
Petrol 95 — Small gain
Price at the services: €2.256/L (29 October 2026) · Services mark-up (median): 15 c/L.
Price at the services€2.256/L
Montval-sur-Loir€2.108/L
Gap15 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| Montval-sur-Loirzac du chêne vert | +€5.64 | €2.108/L | +12 km · 19 min |