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WAUSFBF29MN088631
Vehicle Summary
The 2021 Audi S7 quattro Prestige is a luxurious passenger car featuring a 2.9-liter engine with 444 horsepower and an 8-speed automatic transmission. This all-wheel-drive vehicle comes standard with advanced safety features like Dynamic Brake Support, Forward Collision Warning, and a backup camera. Optional features include Adaptive Cruise Control, Lane Centering Assistance, and Blind Spot Warning. With a seating capacity for five and sophisticated tech options such as HD Radio and Bluetooth, this model offers a compelling blend of performance and comfort.
Complete Specifications
Common Issues for This Vehicle
Dynamic brake support (dbs) malfunction
DBS may fail to activate or function properly, leading to reduced braking assistance during emergency stops.
Engine misfire
Misfiring can occur due to issues with the ignition system, fuel system, or engine control unit (ECU), affecting performance and fuel efficiency.
Turbocharger problems
Turbocharger failure or inefficiency can lead to reduced power output and engine performance.
Oil consumption
Higher than normal oil consumption can be a concern, potentially indicating issues with engine seals or piston rings.
Emission system faults
Problems with the emission control system can trigger warning lights and lead to increased emissions, failing regulatory standards.
Cooling system failures
Issues with the cooling system can cause overheating, leading to significant engine damage if not promptly addressed.
Timing chain tensioner issues
Problems with the timing chain tensioner can result in timing chain slack, causing engine noise and potential internal damage.
Fuel injector problems
Faulty or clogged fuel injectors can lead to poor engine performance, rough idling, and increased fuel consumption.
Electronic control unit (ecu) errors
Faults or malfunctions in the ECU can lead to various engine performance issues, including starting problems and erratic behavior.
Transmission issues
Automatic transmission problems can manifest as rough shifting, slipping gears, or delayed engagement, affecting drivability.
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