2025 Audi S4 Sedan Price. Cost to drive estimates for the 2025 audi s4 premium 4dr sedan awd (3.0l 6cyl turbo 8a) and comparison vehicles are based on 15,000 miles per year (with a mix of 55% city and 45% highway driving). The base model starts at over $56,000, while premium plus models are.

The base model starts at over $56,000, while premium plus models are. Cost to drive estimates for the 2025 audi s4 premium 4dr sedan awd (3.0l 6cyl turbo 8a) and comparison vehicles are based on 15,000 miles per year (with a mix of 55% city and 45% highway driving).