Routes
Saarbrücken–Metz: cheap fuel vs Crit'Air zone rules
On Saarbrücken–Metz the day's price gap decides, not the country: German MTS-K prices swing widely and French border stations often sit in between. Metz's low-emission zone is not enforced as of July 2026 — only the national rule for vehicles first registered before 1997 applies — but it can be reactivated. Check the official status before you leave.
Decision question
Is the cheaper station still a good choice once route distance and French restrictions are checked?
What Kilomo should compare
- German MTS-K station prices near Saarbrucken can be competitive with French market prices on some days — check the live gap rather than assuming France or Germany is always cheaper.
- French border-area stations (Forbach, Freyming corridor) are market-priced and often sit between German and French average levels — a useful middle option for drivers who don't want a full detour.
- As of July 2026 Metz enforces no active Crit'Air restriction for classified cars — only the national minimum rule for vehicles first registered before 1997 applies. The planned ZFE perimeter explicitly included the A31, so don't assume transit is exempt: check the official status before you leave.
- Net saving on a 5 km detour to the better-priced side at 8 c/L gap on 50 litres: roughly €3.40 after detour fuel — clear yes if the station is near the route, not worth it as a standalone trip.