Description
The Audi A4 B5 with the 1.8T APU engine is a popular choice for its blend of performance and practicality. This turbocharged engine typically produces around 150 horsepower and is known for its responsive power delivery.
Common issues with the APU engine include:
1. Oil Sludge: Regular oil changes are crucial, as sludge can build up and affect engine performance.
2. Coil Pack Failures: These can lead to misfires and rough running, especially in older models.
3. Turbocharger Wear: Over time, the turbo can develop issues, affecting boost and overall performance.
Maintaining proper service intervals and keeping an eye on engine oil condition can help mitigate these issues. A comprehensive service history is beneficial when considering a used A4 B5.