Jaguar Sovereign (1991)
1991 Jaguar Sovereign
CarHunch analysed 144 real MOT records for the 1991 Jaguar Sovereign. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
The 1991 Jaguar Sovereign has a 65% first-time MOT pass rate—well below the UK average of 80%—which signals these cars need more attention than most. With 16% of vehicles having recorded dangerous defects over their test history, buyers should expect reliability issues that go beyond minor wear and tear.
At nearly 120,000 miles on average, these Sovereigns show typical mileage for their age, but the real concern is the 1.68 failures per vehicle: these aren't cheap cars to fix, and the average 7.9 advisories per test suggest ongoing maintenance problems. Before committing to one, get a full pre-purchase inspection by a Jaguar specialist and budget heavily for repairs—this is a car for enthusiasts who accept high ownership costs, not buyers seeking low-hassle motoring.
What to check before buying a 1991 Jaguar Sovereign
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 Sovereign
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 (99%) | 143 | 65.3% | 1.67 |
| LPG (1%) | 1 | 25% | 3 |
Mileage Distribution
Most 1991 Jaguar Sovereign 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 1991 Jaguar Sovereign vehicles fall between 95,739 and 144,405 miles.
MOT History Averages
Most Common MOT Issues — 1991 Jaguar Sovereign
Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.
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25.8%
Parking brake: efficiency below requirements
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23%
Nearside Front wheel bearing has slight play
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20.5%
Oil leak
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19.8%
Offside Front wheel bearing has slight play
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18.7%
Nearside Rear Tyre worn close to the legal limit
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18%
Offside Rear Tyre worn close to the legal limit
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17%
Nearside Front Tyre worn close to the legal limit
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13.8%
Offside Front Front wheel bearing has slight play
Data covers a 3-year window centred on 1991. Counts include advisories and failures.
Found a specific Jaguar Sovereign?
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