THE WEEKLY DRIVER

AUTOMOTIVE NEWS, CAR REVIEWS, AND PODCAST

Reliability Database
Ford

Mustang

Muscle Car
Best Engine ✅ Recommended (4.2)
4 Generations
28 Engines Rated
7,244 Total Complaints
Engine Ratings
12 recommended 7 caution 9 avoid

Generation Timeline

2000-2004 SN95
9 engines
1,212 complaints 🔥 32 ☠ 11
3.9L 6-cyl ⚠️ Caution (3.3)
→
2005-2014 S197
8 engines
4,395 complaints 🔥 26 ☠ 6
5.4L 8-cyl ⚠️ Caution (3.3)
→
2015-2023 S550
7 engines
1,564 complaints 🔥 26 ☠ 2
5.0L 8-cyl ✅ Recommended (4.2)
→
2024-2026 S650
4 engines
73 complaints
2.3L 4-cyl ✅ Recommended (3.5)
→
© 2026 The Weekly Driver
RSS Feed About Contact Privacy Policy