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Steyr Unknown (1989)

178 real MOT outcomes analysed • 0.2% first-time pass rate

1989 Steyr Unknown

CarHunch analysed 178 real MOT records for the 1989 Steyr Unknown. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

Below average reliability 79.8% below UK average
0.2%
pass MOT first time
UK average: ~80%
85,131
typical mileage
85,131–85,131 middle half
0.6%
ever had a dangerous defect
recorded at any MOT
0.01
avg MOT failures per car
over 1 tests on record

What to check before buying a 1989 Steyr 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 Steyr Unknown

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
Diesel (97%) 173 0.2% 0.01
Petrol (3%) 5 0% 0

Mileage Distribution

Most 1989 Steyr 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.

85,131
low mileage
85,131
typical
85,131
high mileage

Half of all 1989 Steyr Unknown vehicles fall between 85,131 and 85,131 miles.

MOT History Averages

1
Avg MOT tests per vehicle
0.01
Avg failures per vehicle
0.1
Avg advisories per vehicle

Most Common MOT Issues — 1989 Steyr Unknown

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

  • 100%
    Oil leak, but not excessive Diff Oil Seep
  • 100%
    Offside Front Tyre worn close to legal limit/worn on edge
  • 100%
    Nearside Rear Tyre worn close to legal limit/worn on edge Rear
  • 100%
    Offside Rear Tyre worn close to legal limit/worn on edge
  • 100%
    Nearside Front Tyre worn close to legal limit/worn on edge
  • 100%
    Front Brake disc worn, pitted or scored, but not seriously weakened
  • 50%
    Offside Stop lamp(s) not working
  • 50%
    Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt

Data covers a 3-year window centred on 1989. Counts include advisories and failures.

Found a specific Steyr Unknown?

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

UK