There is one trailer hitch fit for your 2018 Audi S4, from Curt, which is the following part number:
- Curt Trailer Hitch Receiver # C11448
The # C11448 will give you the ability to carry a bike rack, and this is a Class I, 1-1/4" hitch so you do need a compatible Class I bike rack. Since you asked for the best bike rack, you want the Kuat Sherpa 2.0, which is available in your choice of three colors:
- Kuat Sherpa 2.0 Bike Rack - Pearl # SH12P, Black # SH12B, or Gray # SH12G
The Sherpa... view full answer...
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