Sierra Auto Tops Audi A4 S4 Convertible Top
$263.64 price checked August 2026
If you own a 2003-2009 Audi A4 and require a replacement top that meets factory specifications, this is the one.
The Audi A4 Convertible Top in Short
The Sierra Auto Tops Audi A4 S4 Convertible Soft Top Replacement is for owners of 2003 to 2009 Audi A4 models who need a factory-quality fit with a hand-bonded heated rear glass window.
Water ingress and flapping at highway speeds often occur when a convertible top loses its original seal or the material begins to shrink. These issues compromise the cabin’s quietness and can lead to moisture damage inside the vehicle.
The Sierra Auto Tops Audi A4 S4 Convertible Top provides a solution with its UV resistant Stayfast cloth. This material is a high-performance alternative to standard vinyl, offering superior durability and weather protection for the 2003 to 2009 Audi A4 models.
We evaluated the other auto tops convertible options we compared to determine which models provide the best fit for specific vehicle years. This review is for owners seeking a replacement top that matches original equipment manufacturer standards.
If you own a Nissan, see our full review of the 350Z Convertible Top.
How Carworship picked: we started from the 200 most-reviewed auto tops convertible listings in our retail dataset, removed duplicates, accessories and off-category products, and 35 qualified. This product is one of 10 from that pool chosen for a full review. Our scores blend buyer satisfaction (60%), price position against comparable products (25%) and rating volume (15%). Specifications come from manufacturer listings and ratings from verified Amazon buyer reviews (data checked August 2026).
The Short Answer on the Audi A4 Convertible Top
Best for: you own a 2003 to 2009 Audi A4 and require a replacement top that includes a factory-style heated glass window.
The Sierra Auto Tops Audi A4 S4 Convertible Top is the recommended choice at $263.64.
- Pro: Features a hand-bonded heated rear glass window with embedded defroster wiring.
- Pro: Constructed from UV resistant Stayfast cloth which is a high-performance alternative to standard vinyl.
- Pro: Manufactured in the USA to factory original quality specifications.
- Con: The precision-fit design is specific to 2003-2009 models and will not fit newer Audi A4 body styles.
- Con: The one-year manufacturer’s warranty is shorter than some premium aftermarket fabric warranties.
Don’t buy this if: your vehicle is an Audi A4 model produced before 2003 or after 2009.
Price assessment: The $263.64 price point is fair for a Stayfast cloth top that includes a DOT approved heated glass window.
Carworship score: 7.4/10 (data-driven – see “How we picked” above)
Finding a deal is easy with our list of budget convertible soft tops under $500.
For those seeking a performance upgrade, see our guide to the best convertible top for Ford Mustang.
Key Specifications
| Compatible Models | Audi A4 (2003-2009) |
| Exterior Material | Stayfast cloth |
| Window Type | Hand-bonded heated rear glass window |
| Glass Standard | DOT approved |
| Wiring | Embedded defroster wiring |
| Manufacturing | American-made |
| Weight | 22 pounds |
| Warranty | One-year manufacturer’s warranty |
The hand-bonded heated rear glass window ensures the top meets the standard for visibility and safety while maintaining a factory-original fit.
Where this sits in the buyer data: Among the 35 products screened for this category, this one’s 4.3 rating places it #7, on 61 ratings – above the 26-rating median of that group, so the average rests on more feedback than most of its comparables. On price it undercuts 17 of them.
Before You Buy: Audi A4 Convertible Top Checklist
The first thing to check is your vehicle’s production year to ensure the frame alignment matches the Sierra precision-fit design.
- ☐ Confirm vehicle compatibility — 2003 to 2009 Audi A4 models
- ☐ Verify rear window type — Hand-bonded heated rear glass window
- ☐ Check glass safety standards — DOT approved glass
- ☐ Budget for installation — Professional installation is required for proper tensioning and wiring
- ☐ Verify material durability — UV resistant Stayfast cloth
You should not buy this product if your vehicle was manufactured outside of the 2003 to 2009 range, as the mounting points will not align.
What the Numbers Mean in Use
Factory Quality Specifications
The Sierra Auto Tops Audi A4 S4 Convertible Top is built to factory original quality specifications to ensure the Audi A4 Convertible Top maintains a proper seal against the vehicle frame. These specifications allow you to achieve an OEM replacement standard for noise and wind sealing, which prevents the whistling or flapping common with lower-tier universal kits.
The Audi A4 Convertible Top is compatible with 2003 to 2009 models, ensuring the mounting points align with the original vehicle geometry. Because the design follows these specific tolerances, you can expect the top to remain taut at highway speeds to prevent water ingress from frame tension mismatches.
Stayfast UV Resistant Material
The Audi A4 Convertible Top uses UV resistant Stayfast cloth, which is a high-performance alternative to standard vinyl for heavy-duty weather protection. This material helps you avoid the common failure mode of material shrinkage, where low-quality fabrics contract over time and pull away from the mounting points.
Stayfast cloth provides the durability needed to withstand prolonged sun exposure while maintaining the aesthetic texture of the original top. This material choice ensures the Audi A4 Convertible Top retains its shape and color even after repeated exposure to harsh environmental conditions.
Integrated Defroster Wiring
The Audi A4 Convertible Top includes a hand-bonded heated rear glass window with embedded defroster wiring. This design allows the heated glass window to work with your car’s existing electrical system because the wiring is already integrated into the unit.
Because the wiring is embedded, you can maintain visibility in cold or wet weather without needing to run custom cables through the cabin. The use of DOT approved glass ensures the heated window meets safety standards while providing a clear view from the rear of the vehicle.
How the Audi A4 Convertible Top Compares to Alternatives
The Audi A4 Convertible Top ranks first on rating in our comparison with a 4.3 score, while also costing $5.67 less than the Toyota Solara Convertible Soft Top.
- The Audi A4 Convertible Top costs $1.36 less than the Sierra Auto Tops Volkswagen Beetle Convertible Top.
- The Audi A4 Convertible Top costs $4.36 less than the VW Beetle Convertible Soft Top.
- The Audi A4 Convertible Top costs $5.67 less than the Toyota Solara Convertible Soft Top.
- The Audi A4 Convertible Top costs $8.75 more than the Sierra Auto Tops Chrysler Sebring Stratus Replacement Top.
- The Audi A4 Convertible Top costs $9.65 more than the BMW Z3 1996-2002 Convertible Soft Top Twill.
If you prioritize the lowest possible price, the BMW Z3 1996-2002 Convertible Soft Top Twill is the better pick at the $253.99 mark.
Regarding how the Stayfast cloth holds up against fading and cracking compared to the original, the data specifies the use of UV resistant Stayfast cloth and OE spec material. You should verify the specific UV rating with the manufacturer to confirm how it compares to your vehicle’s original factory material.
You can also explore the Bestop Trektop NX Glide performance review.
Owners of the MX-5 should view our comparison of the best convertible soft top for Mazda Miata.
What Buyers Still Want to Know About the Audi A4 Convertible Top
Is the Sierra Auto Tops Audi A4 S4 Convertible Top worth the premium over cheaper alternatives?
The Audi A4 Convertible Top uses UV resistant Stayfast cloth and is American-made to meet factory original quality specifications. You may find lower-cost options, but those often lack the Stayfast material which serves as a high-performance alternative to standard vinyl for heavy-duty weather protection.
Do I need a professional to install the Audi A4 Convertible Top?
The Audi A4 Convertible Top features a precision-fit design and embedded defroster wiring, which suggests a complex fitment process. Because local rules and vehicle-specific requirements vary, you should confirm the installation requirements with a qualified installer before ordering.
Will this top work for my 2008 Audi A4?
Yes, this replacement soft top is compatible with Audi A4 models from 2003 to 2009. The Audi A4 Convertible Top also includes a hand-bonded heated rear glass window to ensure visibility in various conditions.
Does the Audi A4 Convertible Top include a heater for the rear window?
Yes, the Audi A4 Convertible Top features a hand-bonded heated rear glass window with embedded defroster wiring. This design ensures the glass meets the heated glass window standard required for safety and visibility.
New owners can learn how a convertible top works and functions.
Is the Audi A4 Convertible Top Right for You?
The Audi A4 Convertible Top suits 5 kinds of buyer and is the wrong choice for 3 jobs, listed below with the reason for each.
Who the Audi A4 Convertible Top is for, and what it does well
Who the Audi A4 Convertible Top suits
- Audi A4 owners from 2003-2009 — need a replacement top that fits their specific model year range
- Commuters in cold climates — require the heated rear glass window and embedded defroster wiring for visibility
- Daily drivers in sunny regions — need the UV resistant Stayfast cloth to prevent fading and material degradation
- DIY car restorers — looking for an American-made top that meets factory original quality specifications
- Audi A4 S4 owners — need a precision-fit design that maintains the vehicle’s original aesthetic
What the Audi A4 Convertible Top handles well
- Winter driving — the heated rear glass window and embedded defroster wiring
- Long-term outdoor parking — the UV resistant Stayfast cloth
- OEM-style restoration — the factory original quality specifications and OE spec material
- Safe glass replacement — the DOT approved glass
- Precision vehicle maintenance — the Sierra precision-fit design
What the Audi A4 Convertible Top is the wrong choice for
- Audi A4 models from 2010 onwards — the 2003 to 2009 compatibility limit
- Convertibles without rear heating needs — the inclusion of heated glass and defroster wiring adds unnecessary complexity
- Non-Audi convertible repairs — the specific Audi A4 S4 fitment rules out other makes
What to budget alongside the Audi A4 Convertible Top, and what to skip
Worth buying at the same time
- Professional installation tools — required to achieve the Sierra precision-fit design
- Top tensioning hardware — needed to secure the Stayfast cloth to the frame
- Electrical connectors — required to hook up the embedded defroster wiring
- Weatherproofing sealant — needed to ensure the hand-bonded glass window remains watertight
- Cleaning kit — needed to maintain the UV resistant Stayfast cloth
What you can skip
- Separate rear window defroster — the product already includes embedded defroster wiring
- Non-DOT approved glass — the product already includes DOT approved glass
- Generic convertible cloth — the product already includes OE spec Stayfast cloth
Consider exploring the various convertible top alternatives if a traditional fabric roof isn’t ideal.
Where to Buy the Audi A4 Convertible Top
These retailers sell Auto Tops Convertible generally – we do not track which of them has this particular model in stock, so check availability and the current price with the retailer before making a trip.
- AutoZone (online and physical stores) — convenient in-store returns and local availability for common parts
- RockAuto (online only) — extensive catalog of automotive replacement components
- Sierra Auto Tops & Seats (online only) — specialist manufacturer for custom fit convertible tops
- Amazon (online only) — broad selection of aftermarket brands and accessories
- eBay (online only) — wide variety of new and used replacement tops
- Summit Racing Equipment (online and physical stores) — large inventory of performance automotive parts and accessories
Final Verdict on the Audi A4 Convertible Top
If you own an Audi A4 from the 2003 to 2009 model years and require a replacement soft top that maintains factory aesthetics, the Sierra Auto Tops Audi A4 S4 Convertible Top is the correct choice at $263.64.
The Audi A4 Convertible Top ranks well for its inclusion of a hand-bonded heated rear glass window and UV resistant Stayfast cloth, which provides a higher performance standard than basic vinyl alternatives.
Skip it if: You own an Audi A4 manufactured before 2003 or after 2009, as this specific fitment is limited to that production range.