Jaguar Unknown (1986)

108 real MOT outcomes analysed • 1.5% first-time pass rate

1986 Jaguar Unknown

CarHunch analysed 108 real MOT records for the 1986 Jaguar Unknown. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

These 1986 Jaguars are in serious trouble on the road: only 1.5% passed MOT first time against the UK average of 80%, and nearly 1% have recorded dangerous defects—a significant buyer red flag that suggests structural, brake, or steering failures are common in this cohort. The median CarHunch score of 50 reflects a vehicle that requires substantial work to be roadworthy.

The low mileage (median 55,340 miles for a 38-year-old car) suggests these are either garage queens or have had extended periods off the road, yet they're still failing heavily—pointing to age-related decay rather than wear-and-tear issues. Before committing to one, have an independent Jaguar specialist inspect it thoroughly for rust, electrical gremlins, and suspension integrity, as the data indicates these cars need serious remedial work to pass.

Below average reliability 78.5% below UK average
1.5%
pass MOT first time
UK average: ~80%
55,340
typical mileage
51,255–55,340 middle half
0.9%
ever had a dangerous defect
recorded at any MOT
0.02
avg MOT failures per car
over 1 tests on record

What to check before buying a 1986 Jaguar Unknown

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 Jaguar Unknown

MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.

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Mileage Distribution

Most 1986 Jaguar Unknown 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.

51,255
low mileage
55,340
typical
55,340
high mileage

Half of all 1986 Jaguar Unknown vehicles fall between 51,255 and 55,340 miles.

MOT History Averages

1
Avg MOT tests per vehicle
0.02
Avg failures per vehicle
0.1
Avg advisories per vehicle

Most Common MOT Issues — 1986 Jaguar Unknown

Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.

  • 200%
    Nearside Rear Lower Shock absorbers has a slightly worn bush
  • 200%
    Steering rack has slight free play detected at steering wheel
  • 200%
    Offside Rear Lower Shock absorbers has a slightly worn bush
  • 200%
    Nearside Headlamp aim too low
  • 200%
    Nearside Rear Nail in tyre ()
  • 200%
    Offside Front Wheel bearing has slight play
  • 200%
    Nearside Front Wheel bearing has slight play
  • 100%
    Service brake efficiency less than 50% of the required value

Data covers a 3-year window centred on 1986. Counts include advisories and failures.

Found a specific Jaguar Unknown?

Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.

UK

Other model years — Jaguar Unknown:

1989 1994 1997 2000 2001 2002 2003 2004 2007 2008 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020