DVSA Statistics
1999 Gmc Sie
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1999 Gmc Sie (only 2 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 2 DVSA anonymised MOT tests · About this data
Pass Rate
50%
Lower than average
Limited data available for this model; results may be less representative.
Top Failure Reasons
Common MOT failures for this model
Quick DIY Fix
Windscreen wipers are easy to replace yourself.
Based on DVSA statistics from 2 recorded tests.
Pre-MOT Checklist for 1999 Gmc Sie
Based on common failure points for this model, check these items before your MOT:
- 1
Check windscreen for chips or cracks in the driver view zone (Zone A)
Visibility – Common fail on this model
- 2
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
- 3
Ensure engine is at operating temperature before test - take a good run beforehand
Emissions – Common fail on this model
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Frequently Asked Questions
Is a 1999 Gmc Sie likely to fail its MOT?
Based on DVSA statistics, the 1999 Gmc Sie has a 50% MOT pass rate. This is below average, so extra pre-MOT checks are recommended.
What are the most common MOT failures on a 1999 Gmc Sie?
The most common MOT failure reasons for a 1999 Gmc Sie are: lamp emitted colour, position or intensity not in accordance with the requirements, body, cab or chassis excessively corroded at a mounting point, windscreen washers not working or not providing sufficient fluid to clear the windscreen. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1999 Gmc Sie fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: lamp emitted colour, position or intensity not in accordance with the requirements, body, cab or chassis excessively corroded at a mounting point, windscreen washers not working or not providing sufficient fluid to clear the windscreen. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1999 Gmc Sies fail their MOT?
Around 50% of 1999 Gmc Sies fail their MOT test, meaning roughly 1 in 2 don't pass first time. The most common reasons are lamp emitted colour, position or intensity not in accordance with the requirements and body, cab or chassis excessively corroded at a mounting point. Pre-checking these items can significantly improve your chances.
What should I check before my 1999 Gmc Sie MOT?
Before your 1999 Gmc Sie MOT, check these commonly-failed items: lamp emitted colour, position or intensity not in accordance with the requirements, body, cab or chassis excessively corroded at a mounting point, windscreen washers not working or not providing sufficient fluid to clear the windscreen. 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 1999 Gmc Sie reliable for MOT?
With a 50% MOT pass rate, the 1999 Gmc Sie performs below average compared to typical vehicles. Extra attention to pre-MOT checks is recommended for this model.