2023 — 2026
4.0L V8 TFSI Performance MHEV - Quattro
Petrol Hybrid
During low-speed maneuvering, listen for any 'clunking' from the air suspension; on cars of this age, it is worth checking if the system levels correctly without excessive compressor noise.
Check the infotainment system by cycling through all menus; ensure the dual-screen MMI responds instantly to touch inputs, as software lag can occasionally point to communication module fatigue.
While accelerating under light load, ensure the ZF 8-speed gearbox shifts seamlessly, as the RS6’s high torque output can sometimes lead to early wear on mechatronic components if the vehicle has been driven spiritedly.
Before your drive, inspect the inner edges of the front tyres; if they appear unevenly worn, it is common to consider that the aggressive factory alignment might be causing premature tyre wear.
Usually marks the first major inspection of the complex cooling system and a mandatory brake fluid flush.
The period where you might consider a transmission fluid and filter service to ensure the Quattro system remains sharp.
A point where spark plugs and potentially cabin air filtration systems require a comprehensive refresh to maintain performance.
Ensure the Quattro all-wheel-drive system has had its differential oils checked at appropriate intervals.
Keep a close eye on the engine coolant levels, as the 4.0L V8 runs quite warm and system integrity is vital.
Regularly clean the intercooler intakes to ensure the massive turbos are receiving optimal airflow.
Use high-quality synthetic oil specifically rated for Audi's performance TFSI engines to protect the turbochargers.
Verify that the battery charging system is healthy, as the MHEV system relies heavily on a stable 48V battery.
Estimated repair costs if issues arise
If the vehicle is equipped with the performance ceramic setup, you might eventually need to budget for replacement discs. They offer incredible longevity, but the replacement cost is significant compared to standard steel units.
In cars of this age, it is common to consider that the air struts may eventually lose their seal integrity. If a leak develops, the system will need professional recalibration and component replacement.
Depending on the car's history, you might eventually need to budget for a comprehensive service that includes deep cleaning of the intake tract and a professional inspection of the turbo housing seals.
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Disclaimer: This report is generated with the assistance of AI analysis based on verified automotive data. While we strive for 100% accuracy, enthusiasts should always conduct physical inspections and consult service records. View Full Disclaimer