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MG MGF 1999: MOT failure rate for its age

41.0% of 3,564 MOT tests of the MG MGF first registered in 1999 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 106.1 (95% CI 100.6–111.5; 100 = normal for this model at that age): the 1999 MG MGF fails more often than other build years of the same model at the same age. This is a rough estimate from a smaller sample.

MG MGF built in 1999 at a glance
MeasureValueUnitCompared withYearsTests
Failed first time41.0%all ages tested2019–20243564
Index against this model at the same age (95% CI 100.6–111.5)106.1index100 = normal for this model at that age2019–20243564
Rank among this model's 5 build years5of 51 = fails least for its age2019–20243564
Tested in 2024239testsmedian 60,010 miles2024239
line · MG MGF built 1999 · first-time MOT failure share by age · built 1999 40.6% vs model normal 40.9% at age 20 · 2019–2024
Built 1999 against MG MGF normal for the age: first-time MOT failure share at each age, age 20: 40.6% vs 40.9%; age 21: 41.9% vs 38.3%; age 22: 40.6% vs 36.1%. Axis from 0% to 50%. DVSA MOT bulk data, 2019–2024.
Check a 1999 MG MGF by registration · All MG MGF MOT statistics · Download the build-year table (CSV)

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

How does the 1999 MG MGF fail at each age?

Cars built in 1999 were tested at ages 20 to 22 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.

MG MGF built 1999: 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)
201,37440.638–43.240.999.2
211,05141.938.9–44.938.3109.3
221,13940.637.7–43.436.1112.2

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 3,564 (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 1999 MG MGF?

The most common failure group on cars built in 1999 is lamps, reflectors and electrical equipment: 28 items per 100 first tests, against 25.8 across all build years of the MG MGF. These counts are not age-adjusted: cars built in 1999 were tested at ages 20 to 22.

Failure items per 100 first tests, MG MGF built 1999 against the MG MGF in all build years (2019–2024, not age-adjusted)
Failure groupBuilt 1999, per 100All build years, per 100Items
Lamps, reflectors and electrical equipment2825.81,628
Suspension26.623.61,546
Brakes23.123.91,343
Noise, emissions and leaks21.318.91,240
Visibility10.611.1613

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 5,810 (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 1999 compare with the years around it?

Among the 5 published build years of the MG MGF, 1999 ranks 5 (1 = fails least for its age). 1998: index 104.4. 2000: index 98.6.

MG MGF build years: index against the model at the same age (2019–2024)
Build yearIndex (100 = normal)95% intervalVerdictTests
1998104.498.0–110.8no different (rough estimate)2,513
1999106.1100.6–111.5worse (rough estimate)3,564
200098.694.4–102.9no different5,578
200192.889.8–95.8better10,642
200294.983.6–106.2no different (rough estimate)779

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 23,076 (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). MG MGF 1999 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/mg-mgf/1999/

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

MG MGF 1998 · MG MGF 2000 · MG MGF 2001 · MG MGF 2002 · MG MGF in the Netherlands · MG MGF by postcode area · MG MGF body, chassis and structure failures · MG MGF brakes failures · MG MGF vehicle identification failures · MG MGF lamps, reflectors and electrics failures · MG MGF noise, emissions and leaks failures · MG MGF road wheels failures · MG MGF seat belts and airbags failures · MG MGF steering failures · MG MGF suspension failures · MG MGF tyres failures · MG MGF visibility failures