At a Glance
The Saab Sonett has 0 identified common problems across 3 generations (1956–1974) and brakes the most common problem category. Based on 246 MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on a specific model than the UK average — confirmed at 99% statistical confidence. Read our DVSA MOT data methodology →
Below: generation-by-generation comparison of Saab Sonett common problems, MOT failure types, and pass-rate data drawn from DVSA records. Click any generation to see fuel- and engine-specific fault patterns, mileage-banded repair guidance, and the most common MOT failures testers record.
MOT Tests & Failures by Generation
Saab Sonett generations by MOT tests, failures, and identified problems from DVSA data
Hover over each bar for a full breakdown. Tap any bar to view that generation's problems.
Showing total MOT tests, failures, and known problems per make. Hover over each bar for a full breakdown.
Tell Us About Your Problem
Help other Saab Sonett owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Saab Sonett owners — report a problem and we'll add it to the database
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Browse Saab Sonett Generations
Select a generation to see its specific problems, MOT failures and advisories
Most Common Saab Sonett MOT Failures
Every reason Saab Sonett vehicles fail their MOT, ranked by frequency. Select an individual year to see only that year’s failures, or stay on ‘All time’ for the combined picture across our 20 years of DVSA data. Scroll inside the table for the full list.
| # | Failure | % of failures |
|---|---|---|
| 1 | Brake performance below minimum | 16.67% |
| 2 | Headlamp aim defect | 13.10% |
| 3 | Exhaust system fault | 7.14% |
| 4 | Indicator fault | 7.14% |
| 5 | Steering rack fault | 7.14% |
| 6 | Suspension mounting corroded | 5.95% |
| 7 | Horn not working | 4.76% |
| 8 | Number plate lamp not working | 4.76% |
| 9 | Stop lamp not working | 4.76% |
| 10 | Front lamp not working | 3.57% |
| 11 | Parking brake condition | 3.57% |
| 12 | Steering column fault | 3.57% |
| 13 | Wiper blades deteriorated | 3.57% |
| 14 | Brake fluid leak | 2.38% |
| 15 | Windscreen washer not working | 2.38% |
| 16 | Brake hydraulic component worn | 1.19% |
| 17 | Driveshaft fault | 1.19% |
| 18 | Electrical wiring fault | 1.19% |
| 19 | Engine oil leak | 1.19% |
| 20 | Front suspension fault | 1.19% |
| 21 | Front suspension joint worn | 1.19% |
| 22 | Steering lock fault | 1.19% |
| 23 | Steering shaft fault | 1.19% |
Showing all 23 reasons — scroll inside the table for the full list.
Saab Sonett MOT Failures by Category
Total MOT failure occurrences for the Saab Sonett, grouped by category. Same data as the failures table above — just sliced by category instead of fault title. Hover a slice for the top failures in each category.
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Frequently Asked Questions
What are the most common Saab Sonett problems?
Based on analysis of 246 Saab Sonett MOT tests from DVSA data, we have 0 identified common problems across 3 generations. Brakes is the most common problem category.
Which Saab Sonett generation has the most problems?
We haven't identified significant problem patterns specific to any single generation of the Saab Sonett yet — either this is a well-engineered model across all its generations, or the sample size per generation is still small. Check individual generation pages for MOT failure and advisory breakdowns.
How is this data calculated?
We analyse anonymised DVSA MOT test records under the Open Government Licence. An issue is classified as a "Common Problem" when it occurs significantly more often on a specific model than the UK average, confirmed at 99% statistical confidence. Read the full methodology page for details.
Can I report a problem with my Saab Sonett?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Saab Sonett owners spot problems early. All submissions are reviewed before being added to the public database.
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