Failure patterns, maintenance costs, and ownership tradeoffs compiled from owner reports, specialist repair data, and long-term reliability research.
Head-to-head reliability comparison: Audi RS5 B9 vs BMW M3 F80. DCT vs DCT, V8 vs turbo, which engine fails first? Complete cost and repair analysis.
Head-to-head reliability comparison: 991.1 (naturally aspirated) vs 991.2 (twin-turbo). Failure rates, maintenance costs, and which generation is the smarter buy for long-term ownership.
Complete pre-purchase inspection checklist for 2012-2015 Porsche 911 (991.1). Printable PDF format. Catch hidden failures before committing $40,000+.
Is the Audi RS5 B9 reliable? Forensic guide to the EA839 rocker arm failure, charge-air cooler hydrolock risk, and why the July 2019 build date is the most important number in your purchase.
Is the BMW M3 F80 reliable? Detailed technical guide to the S55 crank hub failure, charge-air cooler hydrolock risk, DCT pan leaks, and the preventive work that makes it a more sensible long-term buy.
Is the BMW M4 F82 reliable? Forensic guide to the S55 crank hub failure, charge-air cooler hydrolock risk, DCT pan leaks, and why the 2018 LCI is the sweet spot for used buyers.
Access our forensic data repositories for detailed mechanical analysis and cost forecasting.
Comparative durability rankings built from documented maintenance histories, specialist repair logs, and long-term owner reports.
A practical watchlist of luxury models with recurring engine, transmission, and suspension failure patterns that buyers should treat seriously.
Forensic cost matrices for major mechanical repairs. Project your financial exposure before purchase.
Browse our architecture of reliability guides, common failure analyses, and maintenance notes grounded in owner reports and specialist workshop data.
