DVSA Statistics
1977 Jaguar Xj
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1977 Jaguar Xj (only 34 tests in our DVSA dataset), so these figures are a rough guide. We still highlight common failure items below so you can check before your MOT.
Pass Rate
Based on 34 DVSA anonymised MOT tests · About this data
Pass Rate
82.4%
Higher than average
Limited data available for this model; results may be less representative.
Top Failure Reasons
Common MOT failures for this model
Parts Available
Brakes are a common wear item.
Based on DVSA statistics from 34 recorded tests.
Pre-MOT Checklist for 1977 Jaguar Xj
Based on common failure points for this model, check these items before your MOT:
- 1
Check exhaust for leaks, holes, or excessive corrosion - listen for blowing
Exhaust – Common fail on this model
- 2
Ensure engine is at operating temperature before test - take a good run beforehand
Emissions – Common fail on this model
- 3
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
- 4
Listen for knocks or clunks when driving over bumps - bounce each corner
Suspension – Common fail on this model
Do you own this car?
Check your specific vehicle for outstanding advisories or recalls. Get a personalized risk report for your exact Jaguar Xj.
Frequently Asked Questions
Is a 1977 Jaguar Xj likely to fail its MOT?
Based on DVSA statistics, the 1977 Jaguar Xj has a 82.4% MOT pass rate. This is above average, indicating good reliability for a vehicle of this age.
What are the most common MOT failures on a 1977 Jaguar Xj?
The most common MOT failure reasons for a 1977 Jaguar Xj are: exhaust system leaking or insecure, emissions levels exceed default limits, parking brake efficiency below minimum requirement. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1977 Jaguar Xj fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: exhaust system leaking or insecure, emissions levels exceed default limits, parking brake efficiency below minimum requirement. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1977 Jaguar Xjs fail their MOT?
Around 18% of 1977 Jaguar Xjs fail their MOT test, meaning roughly 1 in 6 don't pass first time. The most common reasons are exhaust system leaking or insecure and emissions levels exceed default limits. Pre-checking these items can significantly improve your chances.
What should I check before my 1977 Jaguar Xj MOT?
Before your 1977 Jaguar Xj MOT, check these commonly-failed items: exhaust system leaking or insecure, emissions levels exceed default limits, parking brake efficiency below minimum requirement. Most are visual checks you can do at home – look for worn tyres, test all lights work, and check for obvious damage or leaks.
Is the 1977 Jaguar Xj reliable for MOT?
With a 82.4% MOT pass rate, the 1977 Jaguar Xj performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.