Subaru Sumo (1989)
1989 Subaru Sumo
CarHunch analysed 342 real MOT records for the 1989 Subaru Sumo. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
**Reliability Verdict**
The 1989 Subaru Sumo is a serious reliability concern, with just a 7% first-time pass rate—dramatically worse than the 80% UK average—suggesting most examples fail their MOT on the first attempt. The 2.1% dangerous defect rate is mercifully low, but the sheer scale of failures indicates widespread structural or mechanical decay across this 35-year-old cohort.
**Context and Practical Takeaway**
These vehicles average 84,393 miles, which is reasonable for their age, yet still arrive at test in poor condition; with 0.17 failures and 0.4 advisories per car on average, expect persistent issues across brakes, suspension, and bodywork rather than isolated problems. If you're considering one, budget heavily for remedial work before or immediately after purchase, and have a pre-buy inspection by a Subaru specialist who can identify rot and suspension wear—don't rely on the MOT pass as any assurance of roadworthiness.
What to check before buying a 1989 Subaru Sumo
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 Subaru Sumo
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 1989 Subaru Sumo 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 1989 Subaru Sumo vehicles fall between 48,714 and 81,142 miles.
MOT History Averages
Most Common MOT Issues — 1989 Subaru Sumo
Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.
-
33.9%
Oil leak
-
18.8%
Nearside Front Tyre worn close to the legal limit
-
17.7%
Offside Rear Tyre worn close to the legal limit
-
16.1%
Exhaust has a major leak of exhaust gases
-
15.6%
Offside Front Tyre worn close to the legal limit
-
14.5%
Offside Rear fog lamp not working
-
14%
Exhaust emissions carbon monoxide content excessive
-
12.9%
Rear Exhaust has a major leak of exhaust gases
Data covers a 3-year window centred on 1989. Counts include advisories and failures.
Found a specific Subaru Sumo?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.