2008 Audi RS4

Introduction to 2008 Audi RS4

The 2008 Audi RS4 is a high-performance variant of the A4, featuring a 4.2-liter naturally aspirated V8 engine with 420 horsepower and 317 lb-ft of torque. Paired with a 6-speed manual transmission, it offers a thrilling driving experience. Despite its impressive performance, the RS4 has faced some common issues reported by owners.

Engine

• 4.2-liter V8 Engine
  • Intake Manifold Flap Failure
    • Description/Symptoms: Deteriorating intake manifold flaps can cause a rattling noise, power loss, and rough idling.
    • Solution: Replace the intake manifold flaps.
    • Estimated Cost to Fix: $1,000 - $1,500+
    • Recalls: None Found
  • Carbon Buildup on Intake Valves
    • Description/Symptoms: Accumulated carbon deposits on the intake valves can restrict airflow, leading to reduced power output and fuel efficiency.
    • Solution: Remove and clean the intake valves.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found
  • High-Pressure Fuel Pump Failure
    • Description/Symptoms: A faulty high-pressure fuel pump can cause the engine to misfire, stall, or fail to start.
    • Solution: Replace the high-pressure fuel pump.
    • Estimated Cost to Fix: $2,000 - $3,000+
    • Recalls: None Found

Transmission

• 6-speed Manual Transmission
  • Gearbox Synchronization Failure
    • Description/Symptoms: Damaged or worn synchronizers can make gear shifting difficult or cause grinding noises.
    • Solution: Replace the affected synchronizers or overhaul the gearbox.
    • Estimated Cost to Fix: $2,500 - $4,000+
    • Recalls: None Found

Suspension

• Adaptive Magnetic Ride Dampers
  • Damper Leakage
    • Description/Symptoms: Leaking dampers can cause the suspension to feel bouncy or unstable, compromising handling and ride comfort.
    • Solution: Replace the leaking dampers.
    • Estimated Cost to Fix: $2,000 - $3,000+ per axle
    • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Parasitic battery drain can cause the battery to discharge quickly, leading to starting issues or failure.
    • Solution: Identify the source of the drain and repair the affected component.
    • Estimated Cost to Fix: $200 - $1,500+
    • Recalls: None Found

Exterior

• No Issues Found

Interior

• Power Window Switch Failure
  • Description/Symptoms: The power window switch may become unresponsive or work intermittently, preventing window operation.
    • Solution: Replace the faulty switch.
    • Estimated Cost to Fix: $150 - $500+
    • Recalls: None Found

Summary

The 2008 Audi RS4 is a powerful and engaging vehicle, but it has faced some mechanical issues that can be costly to repair. The engine, transmission, and suspension components have been reported to have specific problems. However, many owners appreciate the RS4’s performance and driving experience, making it a desirable vehicle despite its potential issues.