Ford Mustang Ecoboost Auto (2018)
2018 Ford Mustang Ecoboost Auto
CarHunch analysed 102 real MOT records for the 2018 Ford Mustang Ecoboost Auto. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
This 2018 Mustang EcoBoost is a serious reliability red flag: only 6.9% passed first time against the UK average of 80%, meaning 93% of these cars arrived at their MOT with something already wrong. The good news is that dangerous defects haven't shown up in this cohort, but the first-time failure rate is catastrophic and suggests either poor maintenance habits among owners or underlying mechanical vulnerability.
At 33,207 miles average, these Mustangs are running relatively low mileage for their age, yet they're still failing MOTs at a rate that's completely out of step with typical cars. With almost no advisories logged and minimal failures per vehicle once problems are caught, the issue appears to be preventative maintenance being skipped rather than parts wearing out—before you buy one, get a pre-purchase inspection from someone who knows American V6 engines well, and budget for immediate servicing.
What to check before buying a 2018 Ford Mustang Ecoboost Auto
Practical pre-purchase checks for this age and model.
- 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
- 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
- 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
- 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.
Before you buy a Ford Mustang Ecoboost Auto
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Petrol (92%) | 94 | 0% | 0 |
| Other (8%) | 8 | 87.5% | 0.13 |
MOT History Averages
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