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Reliability Database
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Mustang
Ford
Mustang
Sports Car
Best Engine
⚠️
Caution
(3.4)
4
Generations
9
Engines Rated
7,701
Total Complaints
Engine Ratings
6 recommended
1 caution
2 avoid
Generation Timeline
2000-2004
SN95
2 engines
1,368 complaints
🔥 44
☠ 11
1.8L 4-cyl
✅
Recommended
(4.4)
→
2005-2014
S197
3 engines
4,409 complaints
🔥 27
☠ 6
4.0L 6-cyl
❌
Avoid
(1.0)
→
2015-2023
S550
3 engines
1,851 complaints
🔥 31
☠ 2
5.0L 8-cyl
⚠️
Caution
(3.4)
→
2024-2026
S650
1 engine
73 complaints
5.0L 8-cyl
✅
Recommended
(3.8)
→
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