M64
Porsche · M64 3.6 Flat-6
1993–1998
"993 Carrera/Turbo. Last air-cooled 911. No IMS (that's M96+). Turbo version hugely reliable. NA version: chain tensioner. Cam chain guide. Simple by Porsche standards. Iconic."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 1
Chain tensioner wear
▸Rattle on cold start
Air-cooled 993 chain tensioner.
Τεντωτήρας — €400-1,000.
Models with M64 4
Related Guides
Other Porsche Engines
Tuning Potential
NA limited. Turbo: 500hp+ with K24/K26 upgrades
Frequently Asked Questions
Is the Porsche M64 reliable?
The Porsche M64 scores 72/100 with a verdict of ACCEPTABLE. It has 1 documented issues with total repair costs between €400 and €1,000.
What are the common problems with the M64?
The most common issues are:
- Chain tensioner wear — moderate, repair cost €400–€1,000, 80,000 km–150,000 km
What cars use the Porsche M64?
How much does it cost to repair the M64?
Total potential repair costs for all 1 known issues range from €400 to €1,000. The most expensive issue is typically .
What years was the M64 produced?
The Porsche M64 was produced from 1993 to 1998. It is a 3600cc F6 petrol na engine.
Scores are calculated from documented issues, repair costs, and failure patterns across thousands of owner reports and technical sources. Learn about our methodology. Always inspect before you buy.