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Suzuki Alto 2015: MOT failure rate for its age

23.5% of 11,146 MOT tests of the Suzuki Alto first registered in 2015 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 97.8 (95% CI 94.1–101.6; 100 = normal for this model at that age): the 2015 build year is no different from other years of the same model at the same age.

Suzuki Alto built in 2015 at a glance
MeasureValueUnitCompared withYearsTests
Failed first time23.5%all ages tested2019–202411146
Index against this model at the same age (95% CI 94.1–101.6)97.8index100 = normal for this model at that age2019–202411146
Rank among this model's 13 build years3of 131 = fails least for its age2019–202411146
Tested in 20241822testsmedian 44,640 miles20241822
line · Suzuki Alto built 2015 · first-time MOT failure share by age · built 2015 19.5% vs model normal 21.2% at age 4 · 2019–2024
Built 2015 against Suzuki Alto normal for the age: first-time MOT failure share at each age, age 4: 19.5% vs 21.2%; age 5: 21.6% vs 23.1%; age 6: 20.9% vs 23.1%; age 7: 24.5% vs 23.6%; age 8: 26.5% vs 25.7%; age 9: 28.5% vs 27.8%. Axis from 0% to 30%. DVSA MOT bulk data, 2019–2024.
Check a 2015 Suzuki Alto by registration · All Suzuki Alto 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 2015 Suzuki Alto fail at each age?

Cars built in 2015 were tested at ages 4 to 9 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.

Suzuki Alto built 2015: 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)
41,91419.517.8–21.321.292
51,85921.619.8–23.623.193.8
61,87520.919.1–22.823.190.3
71,84824.522.6–26.523.6103.8
81,82826.524.5–28.525.7103.1
91,82228.526.5–30.627.8102.4

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 11,146 (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 2015 Suzuki Alto?

The most common failure group on cars built in 2015 is tyres: 9.6 items per 100 first tests, against 9.3 across all build years of the Suzuki Alto. These counts are not age-adjusted: cars built in 2015 were tested at ages 4 to 9.

Failure items per 100 first tests, Suzuki Alto built 2015 against the Suzuki Alto in all build years (2019–2024, not age-adjusted)
Failure groupBuilt 2015, per 100All build years, per 100Items
Tyres9.69.31,075
Lamps, reflectors and electrical equipment9.118.51,017
Visibility8.49.8940
Body, chassis, structure7.711860
Suspension513552

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 11,146 (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 2015 compare with the years around it?

Among the 13 published build years of the Suzuki Alto, 2015 ranks 3 (1 = fails least for its age). 2014: index 99.3.

Suzuki Alto build years: index against the model at the same age (2019–2024)
Build yearIndex (100 = normal)95% intervalVerdictTests
2001102.485.8–118.9no different (rough estimate)267
200295.178.7–111.6no different (rough estimate)251
2003100.796.8–104.6no different4,677
2004102.9100.3–105.6worse10,659
2005108.0105.3–110.6worse12,050
2006114.1110.4–117.8worse6,816
200994.893.2–96.5better35,135
2010101.199.1–103.1no different28,561
201199.297.2–101.3no different28,739
2012101.098.9–103.1no different29,025
201398.497.0–99.8better72,722
201499.397.9–100.7no different78,179
201597.894.1–101.6no different11,146

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 318,227 (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). Suzuki Alto 2015 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/suzuki-alto/2015/

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

Suzuki Alto 2001 · Suzuki Alto 2002 · Suzuki Alto 2003 · Suzuki Alto 2004 · Suzuki Alto 2005 · Suzuki Alto 2006 · Suzuki Alto 2009 · Suzuki Alto 2010 · Suzuki Alto 2011 · Suzuki Alto 2012 · Suzuki Alto 2013 · Suzuki Alto 2014 · Suzuki Alto in Finland · Suzuki Alto in the Netherlands · Suzuki Alto by postcode area · Suzuki Alto body, chassis and structure failures · Suzuki Alto brakes failures · Suzuki Alto vehicle identification failures · Suzuki Alto lamps, reflectors and electrics failures · Suzuki Alto noise, emissions and leaks failures · Suzuki Alto road wheels failures · Suzuki Alto seat belts and airbags failures · Suzuki Alto steering failures · Suzuki Alto suspension failures · Suzuki Alto tyres failures · Suzuki Alto visibility failures