Is a 2010 diesel Euro 4 too old for Paris's ZFE?

No - Euro 4 is the oldest diesel class the ZFE still admits. A 2010 diesel Euro 4 sits exactly on the current floor and is allowed in, though there's no margin above it.

What's the fine if I skip the Crit'Air vignette?

EUR 68 for a car, even though this diesel meets the emission standard - the fine is for the missing sticker, not for the Euro class itself.

Where do I buy the Crit'Air sticker, and what does it cost?

Only at certificat-air.gouv.fr, for EUR 3.85 including postage. Third-party resellers sell the identical sticker at several times that price.

Does the ZFE apply on weekends or public holidays?

No. The restriction runs Monday to Friday, 08:00 to 20:00, with public holidays excluded - outside that window any car, compliant or not, can drive in freely.

What happens if Paris tightens the diesel floor again?

A 2010 Euro 4 diesel would be the first class excluded in any future tightening, since it currently sits right at the cutoff with no class to spare.

A 2010 Diesel Euro 4 Meets Paris ZFE at the Cutoff, 2026

Last verified 135 days ago · re-verifying

A 2010 diesel Euro 4 sits right on the line of the Paris ZFE’s Euro 4 diesel floor and still qualifies to enter. It needs the Crit’Air vignette (EUR 3.85); driving in without one risks a EUR 68 fine.

Can your car enter Paris?

Enter your vehicle's fuel + Euro class → instant verdict for Paris (ZFE). Fine if wrong: EUR 68 (cars, motorcycles, light commercial), EUR 135 (HGV, buses, coaches).

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Can a diesel Euro 4 car enter Paris?

Yes, right at the floor. Paris’s Zone à Faibles Émissions currently excludes diesel Euro 3 and older, so a 2010 diesel Euro 4 is the oldest diesel class still allowed in — there’s no margin above the cutoff, but it clears it. The Crit’Air vignette still has to be displayed; the zone doesn’t waive the sticker just because a car is compliant.

What to arrange before driving in

Order the Crit’Air vignette from the official site, certificat-air.gouv.fr — it costs EUR 3.85 including postage and is the only proof the ZFE recognises.
Confirm the Euro 4 rating on your Certificate of Conformity, not the 2010 registration date — a car sold as Euro 4 that doesn’t actually meet it on paper won’t pass a check.
Plan around the restricted hours: Monday to Friday, 08:00-20:00, public holidays excluded — outside that window the ZFE doesn’t apply at all.

If the vignette hasn’t arrived yet

Delay the trip into the zone until it does — ordering takes roughly two weeks, and driving in without it risks the EUR 68 fine even though the car itself qualifies.
Park outside the A86 and use the RER or Métro for the day; Paris’s outer stations have Park & Ride capacity aimed at exactly this situation.
Avoid resellers charging a markup for the same sticker — the official portal is the only source actually needed.

Why this class sits exactly on the line

The ZFE’s diesel floor moved to Euro 4 as part of the zone’s most recent tightening (verified 2026-09-06); before that update the published floor was Euro 2. A 2010 Euro 4 diesel is the last diesel generation the zone still admits — any older diesel, even a well-maintained one, is excluded regardless of condition.

Quick compliance checklist for Paris

✅ Confirm Euro 4 on the CoC, not just the 2010 build year
✅ Order the Crit’Air vignette from certificat-air.gouv.fr (EUR 3.85) well before travelling
✅ Remember the ZFE only operates weekdays 08:00-20:00, holidays excluded
✅ Treat the EUR 68 fine as a missing-sticker risk, not an emissions failure