2018 Ford Mustang Engine Problems
Owners have filed 58 complaints with NHTSA about engine problems on the 2018 Ford Mustang, 30% of all complaints for this model year. Half of the reports with a mileage happened before 11,000 miles. The words owners use most often: “coolant intrusion” (17% of reports).
- 58engine complaints
- 11,000median miles at failure
- 1mention a crash
- 1mention an injury
- 0related recalls
- $8,450typical repair cost reported by owners
- 50%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Coolant intrusion: mentioned in 10 of 58 complaints (17%)
- Head gasket: mentioned in 8 of 58 complaints (14%)
- Causing engine: mentioned in 5 of 58 complaints (9%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical engine repair on the 2018 Ford Mustang at $8,450, and half of them between $5,350 and $9,100.
Based on 8 NHTSA complaints about this problem alone that state a repair bill or quote (2023–2026), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do engine problems happen?
Based on 25 complaints that reported the odometer reading.
How serious are the reports?
Of 58 complaints, 1 mention a crash, 1 a fire, 1 an injury.
Ford Mustang engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Mustang | 3 | 38% | — |
| 2025 Mustang | 3 | 17% | — |
| 2024 Mustang | 10 | 12% | — |
| 2023 Mustang | 2 | 13% | — |
| 2022 Mustang | 5 | 10% | — |
| 2021 Mustang | 8 | 15% | 700 |
| 2020 Mustang | 25 | 21% | 66,500 |
| 2019 Mustang | 52 | 35% | 26,769 |
| 2018 Mustang | 58 | 30% | 11,000 |
| 2017 Mustang | 27 | 10% | 28,000 |
| 2016 Mustang | 75 | 20% | 35,000 |
| 2015 Mustang | 51 | 12% | 23,500 |
| 2014 Mustang | 18 | 5% | 13,000 |
| 2013 Mustang | 22 | 8% | 52,000 |
| 2012 Mustang | 30 | 6% | 45,599 |
| 2011 Mustang | 48 | 10% | 57,800 |
| 2010 Mustang | 8 | 3% | 72,500 |
| 2009 Mustang | 3 | 2% | 38,438 |
| 2008 Mustang | 6 | 2% | 71,845 |
| 2007 Mustang | 15 | 2% | 73,500 |
| 2006 Mustang | 11 | 3% | 78,500 |
| 2005 Mustang | 19 | 3% | 77,000 |
| 2004 Mustang | 3 | 3% | 83,000 |
| 2003 Mustang | 6 | 4% | 166,000 |
| 2002 Mustang | 4 | 3% | 148,000 |
| 2001 Mustang | 2 | 1% | 105,000 |
| 2000 Mustang | 3 | 1% | 111,014 |
| 1999 Mustang | 1 | 0% | 75,000 |
| 1998 Mustang | 1 | 0% | 112,000 |
| 1997 Mustang | 2 | 1% | 128,000 |
| 1996 Mustang | 2 | 1% | 40,242 |
| 1995 Mustang | 1 | 0% | 277,000 |
When owners reported it
Related recalls (0)
No safety recall lists engine for the 2018 Ford Mustang. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The 2.3L EcoBoost engine failed due to coolant leaking into the combustion chambers. The dealer found coolant present in cylinders 1 and 4, the cylinder 4 piston washed, and vertical scoring on the cylinder 4 wall. The dealer's recommendation is complete engine replacement. Yes, the engine is…
Check engine light came on Sunday night. Monday had AutoZone check the codes - indicated misfire on two cylinders recommended spark plug replacement - Spark plugs purchased with intent to change Tuesday evening- Tuesday morning -Engine overheated on the way to class added more coolant - got the…
I own a 2018 Ford Mustang EcoBoost Premium with the 2.3L EcoBoost engine. The vehicle initially developed a check-engine light and was diagnosed with P0303 (Cylinder 3 misfire), P0316 (startup misfire), and P018C. On August 24, 2026, all four spark plugs and one ignition coil were replaced and a…
Frequently asked questions
Do all 2018 Ford Mustangs have engine problems?
No. NHTSA has 58 owner complaints about engine for the 2018 Ford Mustang (30% of the 195 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2018 Ford Mustang engine?
No recall currently lists engine for this vehicle.
At what mileage do engine problems start?
The median reported mileage is 11,000 miles: half of the reports with a mileage came before that.
How much does it cost to fix engine problems on the 2018 Ford Mustang?
Owners report a typical cost of $8,450 (half paid between $5,350 and $9,100), from 8 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about engine problems on the 2018 Ford Mustang?
The most frequent phrase is “coolant intrusion”, in 10 of 58 complaints, followed by “head gasket” (8).
See all 2018 Ford Mustang problems or engine problems across all Mustang years.