Q7
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Which Audi Q7 engine is the most reliable? See common problems, reviews and reliability verdicts across generations and engines.
Frequently asked questions
Which Audi Q7 engine is the most reliable?
3.0 TDI V6 quattro (ASB/CDYA) — Reliable verdict. The 3.0 TDI quattro — widely regarded as the reference modern diesel of its day: strong, smooth and durable with regular (15,000 km) oil changes. The post-2008 versions are especially solid. Watch intake carbon/EGR and DPF, plus high running costs, but the core engine is excellent.
Which Audi Q7 engines should you avoid?
Engines with the weakest reliability verdicts: 4.2 FSI V8 350hp (BAR).
What are the most common Audi Q7 problems?
The most commonly reported problems across all Audi Q7 generations and engines: Timing chain tensioner wear — chains are at the REAR of the engine, Intake carbon / EGR, DPF clogging, Intake manifold swirl-flap motors and carbon buildup, Timing chain stretch.