Proton Persona Xli (1999)
1999 Proton Persona Xli
CarHunch analysed 266 real MOT records for the 1999 Proton Persona Xli. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
The 1999 Proton Persona XLI has a first-time MOT pass rate of just 38%, less than half the UK average of 80%, which signals persistent reliability problems across this cohort. With only 9% ever recording a dangerous defect, safety isn't the primary concern—rather, it's the sheer frequency of general wear items failing.
These cars are running at a median of 69,000 miles, which is reasonable for age, yet they're still accumulating nearly one failure and one advisory per test on average, suggesting fundamental durability issues rather than simple age-related decline. Unless you're buying one specifically for parts, hobby restoration, or as a cheap disposable runabout, look elsewhere; the cost of repeated repairs will quickly outstrip what you'll pay upfront.
What to check before buying a 1999 Proton Persona Xli
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 Proton Persona Xli
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
CarHunch may earn a small commission if you buy via these links — at no extra cost to you.
Mileage Distribution
Most 1999 Proton Persona Xli vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 1999 Proton Persona Xli vehicles fall between 55,530 and 83,693 miles.
MOT History Averages
Found a specific Proton Persona Xli?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.