MOT Risk Index.co.uk

Saab 9-3 2005: MOT failure rate for its age

42.8% of 36,256 MOT tests of the Saab 9-3 first registered in 2005 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 103.4 (95% CI 101.8–105.0; 100 = normal for this model at that age): close to other build years of the same model at the same age (within 5 points of normal).

Saab 9-3 built in 2005 at a glance
MeasureValueUnitCompared withYearsTests
Failed first time42.8%all ages tested2019–202436256
Index against this model at the same age (95% CI 101.8–105.0)103.4index100 = normal for this model at that age2019–202436256
Rank among this model's 15 build years11of 151 = fails least for its age2019–202436256
Tested in 20243449testsmedian 111,988 miles20243449
line · Saab 9-3 built 2005 · first-time MOT failure share by age · built 2005 44.3% vs model normal 43.6% at age 14 · 2019–2024
Built 2005 against Saab 9-3 normal for the age: first-time MOT failure share at each age, age 14: 44.3% vs 43.6%; age 15: 43.9% vs 40.9%; age 16: 43.3% vs 41.1%; age 17: 41.5% vs 40.1%; age 18: 41.1% vs 40.6%; age 19: 39.2% vs 39.6%. Axis from 0% to 50%. DVSA MOT bulk data, 2019–2024.

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).

How does the 2005 Saab 9-3 fail at each age?

Cars built in 2005 were tested at ages 14 to 19 between 2019 and 2024. Each row compares their first-time failure share with what this model normally shows at that age, after allowing for the overall failure level of each test year.

Saab 9-3 built 2005: first-time MOT failure by age, against the model's normal rate at that age (2019–2024)
AgeTestsFailed, %95% intervalNormal for this model at that age, %Index (100 = normal)
149,74544.343.3–45.243.6101.5
157,25143.942.8–45.140.9107.5
166,28243.342.1–44.541.1105.5
175,21941.540.2–42.940.1103.6
184,31041.139.6–42.640.6101.3
193,44939.237.6–40.839.699

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 36,256 (initial tests) · Method: normal rate = this model's first-time failure share at that age across its build years (cells of 400+ tests), adjusted for each test year's overall level; cells of 30+ tests, under 500 marked rough · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

What fails most on the 2005 Saab 9-3?

The most common failure group on cars built in 2005 is lamps, reflectors and electrical equipment: 44 items per 100 first tests, against 25.2 across all build years of the Saab 9-3. These counts are not age-adjusted: cars built in 2005 were tested at ages 14 to 19.

Failure items per 100 first tests, Saab 9-3 built 2005 against the Saab 9-3 in all build years (2019–2024, not age-adjusted)
Failure groupBuilt 2005, per 100All build years, per 100Items
Lamps, reflectors and electrical equipment4425.215,938
Suspension30.229.610,945
Brakes20.717.67,499
Visibility13.311.14,816
Tyres10.910.53,951

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 36,256 (initial tests of this build year) · Method: failure items grouped by DVSA's top-level defect groups, per 100 initial tests; groups with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

How does 2005 compare with the years around it?

Among the 15 published build years of the Saab 9-3, 2005 ranks 11 (1 = fails least for its age). 2004: index 105.3. 2006: index 104.3.

Saab 9-3 build years: index against the model at the same age (2019–2024)
Build yearIndex (100 = normal)95% intervalVerdictTests
1998105.196.9–113.4no different (rough estimate)1,448
1999100.495.1–105.8no different (rough estimate)3,216
2000101.296.9–105.5no different5,075
200195.491.7–99.1better6,482
200298.795.3–102.1no different8,029
2003103.5100.5–106.6worse10,208
2004105.3103.3–107.4worse23,549
2005103.4101.8–105.0worse36,256
2006104.3103.0–105.7worse53,981
200798.397.1–99.5better62,259
200895.494.0–96.7better49,029
200993.791.9–95.6better27,559
201089.887.8–91.8better23,965
201194.191.5–96.6better16,112
201278.669.2–88.0better (rough estimate)1,024

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 328,192 (initial tests) · Method: observed failures against those expected for the same model at the same ages, test-year level adjusted; verdict follows the printed one-decimal bound · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

How to cite this page

MOT Risk Index (2026). Saab 9-3 2005 MOT statistics (data release dvsa-2024-v2; full dataset motriskindex-families-2024-v5, DOI 10.5281/zenodo.22975051), updated 30 September 2026. motriskindex.co.uk/cars/saab-9-3/2005/

How every figure is calculated: methodology. Age, test year and build year are tied together (age = test year − build year), so the test-year level is taken as observed, not estimated.

Other pages for this model

Saab 9-3 1998 · Saab 9-3 1999 · Saab 9-3 2000 · Saab 9-3 2001 · Saab 9-3 2002 · Saab 9-3 2003 · Saab 9-3 2004 · Saab 9-3 2006 · Saab 9-3 2007 · Saab 9-3 2008 · Saab 9-3 2009 · Saab 9-3 2010 · Saab 9-3 2011 · Saab 9-3 2012 · Saab 9-3 in Norway · Saab 9-3 in Finland · Saab 9-3 in the Netherlands · Saab 9-3 by postcode area · Saab 9-3 body, chassis and structure failures · Saab 9-3 brakes failures · Saab 9-3 vehicle identification failures · Saab 9-3 lamps, reflectors and electrics failures · Saab 9-3 noise, emissions and leaks failures · Saab 9-3 road wheels failures · Saab 9-3 seat belts and airbags failures · Saab 9-3 steering failures · Saab 9-3 suspension failures · Saab 9-3 tyres failures · Saab 9-3 visibility failures