Where is the VIN on Opel Astra H?

Check the VIN label on the lower passenger-side B-pillar/door frame area, and the stamped VIN under the rectangular plastic flap in the front passenger-side door-sill floor trim.

Which VIN location is the most important for Opel Astra H?

The stamped VIN on the body/chassis (under the door-sill floor flap or in the engine bay) is the most important because it’s physically stamped into the vehicle structure and is harder to tamper with than a sticker.

Where is the VIN in Opel Astra H (H)? - Location Guide

This guide shows you exactly where to find the VIN/chassis number on the Opel Astra H (2004–2009), including the hidden floor stamp and the easiest label to scan with your phone.

Chassis Number Locations

B-Pillar / Door Frame (Passenger Side)

Where to look: Open the front passenger door and look at the lower B-pillar (the post between front and rear doors) near the rocker/threshold. You’ll find a black sticker/label with vehicle weight info and the VIN printed on it.
Access: Very easy—good lighting with the door open. The only issue is age-related wear (label can peel, fade, or get scratched).
Note: On LHD cars this is typically on the passenger-side door opening area.
Tip: If the print is still clear, scan the label with your phone to avoid typos—this is usually the fastest, cleanest VIN read.

Floor / Door Sill (Front Passenger Side)

Where to look: Open the front passenger door and focus on the plastic door-sill trim along the threshold. Find the pre-cut rectangular flap in the plastic trim (not the carpet). Pry/lift the flap up to reveal the VIN stamped into the metal chassis underneath.
Access: Moderate. This area collects dirt and road grime, the recess is dark, and the flap can be stiff if it’s never been opened (a trim tool or flat plastic pry tool can help).
Note: For LHD Astra H models, this floor stamp is commonly on the front passenger-side. If you don’t find it there, check the other front footwell before assuming it’s missing.
Tip: Clean the stamping with a rag/brush, then use ScanVin.app with Flashlight + OCR so you can read it without fighting shadows and low contrast.

Engine Bay (Right Inner Fender/Strut Tower Area)

Where to look: Open the hood and check the right-hand inner wing/fender near the strut top mount—often between the coolant reservoir and the strut tower area. The VIN is stamped into the metal.
Access: Can be messy. Expect grime/oil residue, possible surface rust, and sometimes hoses/components partially blocking the view.
Note: “Right side” is the vehicle’s right (as you sit in it / direction of travel), regardless of LHD/RHD.
Tip: If the stamp is faint or rusty, wipe it down and use High Contrast AI scanning to pull the characters out of a dirty metal surface.

Dashboard (Lower Windshield, Driver Side)

Where to look: Stand outside at the front of the car and look through the bottom corner of the windshield on the driver side. The VIN is visible in the dashboard corner area.
Access: Easy to reach, but hard to read due to windshield glare/reflections and sometimes debris in the dash gap.
Note: Best for a quick visual cross-check against the other VIN locations.
Tip: To beat reflections, capture it quickly with your phone VIN scanner instead of manually transcribing characters through glass.

Video Guide

Video Tutorial: Opel/vauxhall Astra VIN number location - YouTube

▶ Watch Opel Astra H VIN Location Guide

Shows opening the front right door and lifting the plastic sill flap to reveal the chassis VIN stamp in the door-sill/floor area.

Common Problems & Troubleshooting

Floor/sill stamp is unreadable: Dirt in the recess kills contrast—scrub it clean, dry it, then re-check under strong light.
Windshield VIN is hard to photograph: Reflections are common—change your viewing angle, shade the area with your hand, and try again.
Door-jamb VIN label is missing or damaged: Stickers can peel/fade; if it doesn’t match the stamped VIN locations, investigate before buying.

Where is the VIN number in Opel Astra H (2004-2009)?