Saab 9-5 Reliability: Common Problems and Years to Avoid
What the Saab 9-5 fails its MOT on, with rough repair costs, and how each model year's MOT pass rate compares with other cars of the same age. Based on 14,987 MOT tests across 15 model years (DVSA data for tests carried out in 2024, retests included).
Segment: family car | Fuel: Petrol, Diesel
77%
Saab 9-5 pass rate
75%
Saab average
82%
All-model average
The Saab 9-5 has an average MOT pass rate of 77%, which is 2 points above the Saab average and 5 points below the average across all models in our data. Newer Saab 9-5s pass their MOT more often than older ones, by 4 percentage points on average, which is mostly down to age and wear.
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What the Saab 9-5 Fails Its MOT On
Of the 2,293 MOT tests on the Saab 9-5 that failed at the first attempt in 2025, the share that failed on each part of the test, next to the share for all cars and vans of the same ages. A test that failed on two areas counts in both.
Lights and electrics
48%Cars and vans the same age: 49% · Typical repair £15-£200
Suspension
35%Cars and vans the same age: 40% · Typical repair £150-£600
Brakes
29%Cars and vans the same age: 28% · Typical repair £80-£450
Exhaust, emissions and leaks
21%Cars and vans the same age: 16% (the 9-5 fails on this more often) · Typical repair £80-£800
Tyres
19%Cars and vans the same age: 16% · Typical repair £50-£300
The 3 single faults it failed on most
- Position lamp: not working (16% of failed tests, lights and electrics)
- Engine warning lamp (petrol) on or not working (9% of failed tests, exhaust, emissions and leaks)
- Parking brake efficiency below requirements (8.2% of failed tests, brakes)
Source: CarCostCheck analysis of DVSA anonymised MOT test results and failure items for 2025: first attempt at each MOT, fail and pass-after-repair defects, DVSA's defect categories (names shortened). Repair costs are rough UK ranges, not quotes. Method and national figures: MOT failure reasons 2025.
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Saab 9-5 Years to Avoid
Every car in the 2024 MOT data was tested at the same age as the other cars first registered that year, so each 9-5 year is compared with all cars from the same year. Years with 1,000+ tests that were at least three years old are included.
Failed more often than cars their age
No year passed 3 or more points less often than other cars of the same age.
A lower pass rate means that year failed its MOT more often in 2024; it does not mean every car from that year is bad. Old cars still on the road are often the best-kept ones, which can lift the pass rates of the oldest years. How a car has been looked after matters more, so check the MOT history of the car you are looking at.
Saab 9-5 Reliability by Year
MOT pass rate for each model year, from DVSA data for tests carried out in 2024 (retests included). Newer cars usually pass more often simply because they are younger. All Cars is the pass rate of every car first registered that year, with the gap in points. Highest and lowest are marked among years with 100+ tests that were at least three years old when tested. Fuel and engine size are a guide only.
| Year | Fuel | Engine | Pass Rate | Fail Rate | All Cars |
|---|---|---|---|---|---|
| 2012 | Petrol | 2.8L | 88% | 12% | - |
| 2011 | Diesel | 2.0L | 85% | 14% | - |
| 2010 | Petrol | 2.0L | 83% | 17% | 75% (+8) |
| 2009 | Diesel | 1.9L | 79% | 20% | 75% (+4) |
| 2008 | Petrol | 2.0L | 79% | 21% | 74% (+5) |
| 2007 | Petrol | 2.0L | 77% | 22% | 73% (+4) |
| 2006 | Petrol | 2.0L | 75% | 24% | 73% (+2) |
| 2005 | Petrol | 2.0L | 74% | 25% | 73% (+1) |
| 2004 | Diesel | 2.2L | 73% | 26% | 72% (+1) |
| 2003 | Petrol | 2.0L | 74% | 26% | - |
| 2002 | Petrol | 2.0L | 71% | 28% | - |
| 2001 | Petrol | 2.0L | 77% | 21% | - |
| 2000 | Petrol | 2.3L | 76% | 23% | - |
| 1999 | Petrol | 3.0L | 79% | 20% | - |
| 1998 | Petrol | 2.0L | 73% | 27% | - |
Saab 9-5 Running Costs
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Saab 9-5 FAQ
What are the most common Saab 9-5 problems?
In 2025, MOT tests on the Saab 9-5 that failed at the first attempt most often failed on lights and electrics (48% of the 2,293 failed tests), suspension (35%) and brakes (29%). The single most common fault was "Position lamp: not working" (16%). Across 14,987 MOT tests (DVSA MOT data for tests in 2024, retests included), 77% ended in a pass.
Is the Saab 9-5 reliable?
The Saab 9-5 has an average MOT pass rate of 77%, from 14,987 MOT tests (DVSA MOT data for tests in 2024, retests included). Comparing each model year with all cars first registered the same year, so that age is allowed for, it passed 3 points more often on average, a better than average result for its age.
Which Saab 9-5 years should I avoid?
No Saab 9-5 year with 1,000+ tests passed 3 or more points less often than all cars first registered the same year (DVSA MOT data for tests in 2024, retests included). The years that passed most often for their age were the 2010 (83% of 1,096 tests passed, against 75% for all 2010 cars), the 2008 (79% of 1,659 tests passed, against 74% for all 2008 cars) and the 2007 (77% of 1,891 tests passed, against 73% for all 2007 cars). A year's pass rate does not tell you about one car, so check the MOT history of the car you are buying.
How much does it cost to fix common Saab 9-5 faults?
As a rough guide, brake work on a Saab 9-5 typically costs £80-£450 and suspension repairs £150-£600, while exhaust and emissions fixes can cost £80-£800. Lighting and wiper fixes are usually under £200.
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Other Saab Models
Common problems pages for other Saab models