Aire de Tardenois Sud (A4): is it worth leaving the motorway for fuel?
Small gain
Petrol 95 costs €2.339/L here, 23 c/L more than at the Dormans station (rue du faubourg chavenay), exit 21: leaving the motorway saves €7.46 on 50 litres for a 25 km, 31 min detour (prices of 1 November 2026).
-1 c/Ldiesel, services mark-up
23 c/Lpetrol 95, services mark-up
+€7.46petrol 95, saving on 50 L
| Exit | 21 (Dormans) |
|---|---|
| Detour | 25 km · 31 min |
| Tolls | toll motorway on this stretch: exit cost not counted |
Diesel — Stay on the motorway
Price at the services: €2.439/L (1 November 2026).
Price at the services€2.439/L
Dormans€2.449/L
Gap-1 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| Dormansrue du faubourg chavenay | −€4.46 | €2.449/L | +25 km · 31 min |
Petrol 95 — Small gain
Price at the services: €2.339/L (1 November 2026).
Price at the services€2.339/L
Dormans€2.114/L
Gap23 c/L
Stations near the exit
| Station | Saving on 50 L | Price | Detour |
|---|---|---|---|
| Dormansrue du faubourg chavenay | +€7.46 | €2.114/L | +25 km · 31 min |