Does the Sierra Auto Tops Stayfast Cloth fit 2003 to 2009 Audi A4 and S4 models?

Yes, the Sierra Auto Tops Audi A4 Convertible Top is compatible with the 2003 to 2009 Audi A4 and S4 models. This replacement soft top is designed to fit those specific model years, providing a factory-style fit for the convertible roof system.

The Audi A4 Convertible Top features a hand-bonded heated rear glass window with embedded defroster wiring and DOT approved glass. We selected this product for our comparison because it utilizes UV resistant Stayfast cloth, which is an OE spec material designed to resist fading and degradation from sun exposure. Because a convertible roof must maintain a precise seal to prevent water ingress and wind noise, the precision-fit design ensures the fabric sits correctly in the frame grooves. The Stayfast cloth provides the necessary durability to prevent the material shrinkage that can occur with lower-quality vinyl alternatives. While the material is American-made and built to factory original quality specifications, you should confirm if your vehicle has any aftermarket frame rail modifications, as these can prevent the cloth from seating correctly.

What to Check Before Buying the Audi A4 Convertible Top

Before purchasing this convertible roof cover, verify these technical details to ensure a proper fit and function:

• Confirm that your vehicle’s frame rails and mounting points are original equipment, as aftermarket modifications may prevent the cloth from seating.
• Verify if your specific 2003-2009 model requires any unique tensioning steps or pre-stretching during the installation process.
• Check the manufacturer’s support page to see if a specific adhesive or specialized tool is required to secure the Stayfast cloth to the frame.
• Ensure the material grain is aligned correctly during mounting to prevent uneven folding or issues when closing the top.
• Confirm that your vehicle’s power motor can handle the weight of the Stayfast cloth to avoid straining the folding mechanism.

Comparing the Audi A4 Convertible Top to Other Options

The Audi A4 Convertible Top serves as a high-quality replacement for the original fabric roof. This type of convertible top—which is the fabric cover that folds over the passenger cabin—is a critical component for weatherproofing. Buyers looking for a budget-friendly option might consider generic vinyl tops, but those often lack the Stayfast cloth’s UV resistance and the integrated heated glass found here. If you require a custom tailored fit that exceeds mass-produced specifications, or if you need a top for a different model year, you may need to look at specialized custom shops. However, for owners of the 2003-2009 Audi A4 or S4 seeking a factory-standard replacement, this unit provides the necessary material standards.

For owners of a different vehicle, see our guide to the best convertible top for Ford Mustang.

If you own a 2003 to 2009 Audi A4 or S4 and want a replacement top that matches original factory quality and includes a heated rear window, you should choose this product.