Owners are blunt that upkeep is closer to 'racing' than 'utilitarian' — averaging around $1,500/year with occasional $5k years, valve-cover gaskets that can require engine-out access, and the plastic oil-cooler pipe that ages out. The counterpoint is durability with care: high-mileage cars (200k+) keep delivering, provided you find a specialist who knows the platform.
Expensive to run — owners go in eyes open, and stay
Audi RS6 (C5) · mechanical