Audi A62025

Known issues

• DPF (Diesel Particulate Filter) regeneration issues and blockages, particularly on short-journey driving patterns
• AdBlue system faults and sensor errors, requiring expensive module replacement (€1,200–€1,800)
• EGR valve carbon build-up and potential failure after 80,000+ miles, especially on older generations
• Electrical gremlins with MMI infotainment system freezing or losing connectivity (common across 2020+ A6 models)
• Water ingress into door handles and door locks, causing electrical faults
• Timing chain tensioner wear at higher mileage, though less common than earlier generations

Good for

• Excellent fuel economy and low CO₂ emissions (WLTP ~4.5–5.2 L/100 km claimed)
• Smooth, refined TDI diesel engine with good mid-range torque and motorway comfort
• Premium interior quality, intuitive MMI interface (when working), and strong safety features
• High resale value and strong depreciation resistance in the executive diesel segment