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MOT reliability

Toyota Sienta

455 vehicles · 1,743 completed MOT tests analysed
85%
MOT pass rate

Based on 455 Toyota Sienta vehicles and 1,743 completed MOT tests, the Toyota Sienta has an overall 85% pass rate, with an average recorded mileage of 73,414 miles.

455
Vehicles
1,743
MOT tests
11,665
Avg miles / year
1.1
Faults per test
3%
Dangerous-fault share

Toyota Sienta problem areas

Where faults occur most across all Toyota Sienta MOT tests:

  • Tyres, wheels & suspension49%
  • Lamps & electrical19%
  • Other17%
  • Brakes10%
  • Visibility5%
  • Body & structure3%
  • Emissions & nuisance1%
  • Steering1%

Toyota Sienta pass rate by age

How the Toyota Sienta's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
13778%
24881%
35986%
47687%
512889%
619989%
722387%
819790%
918287%
1012184%
118082%
125088%
135981%
144980%
154379%
163672%
173376%
182781%
192286%
201580%

Fuel types: Hybrid Electric (Clean) (299), Petrol (156)

Most common Toyota Sienta MOT faults

These are the faults and advisories recorded most often across Toyota Sienta MOT tests:

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (52 times)
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (44 times)
  3. Offside Rear Axle swivel pins and bushes swivel pin and/or bush slightly worn (5.1.2 (b) (i)) (34 times)
  4. Nearside Rear Axle swivel pins and bushes swivel pin and/or bush slightly worn (5.1.2 (b) (i)) (32 times)
  5. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (24 times)
  6. Front Brake pad(s) wearing thin (1.1.13 (a) (ii)) (24 times)
  7. Offside Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i)) (22 times)
  8. Nearside Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i)) (22 times)
  9. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (21 times)
  10. Rear fog lamp not working (4.5.1 (a) (ii)) (19 times)
  11. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (19 times)
  12. Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i)) (15 times)
  13. Nearside Rear Child Seat fitted not allowing full inspection of adult belt (14 times)
  14. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (13 times)
  15. Offside Front Position lamp not working (4.2.1 (a) (ii)) (13 times)

Toyota Sienta pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2025 1 2 100% 60,177
2024 2 5 100% 26,135
2023 3 4 100% 22,159
2022 6 10 100% 23,342
2021 16 48 81% 59,213
2020 47 124 84% 56,492
2019 38 140 89% 65,872
2018 40 143 89% 56,600
2017 88 337 86% 73,324
2016 91 310 87% 69,545
2015 47 159 82% 74,241
2014 4 21 86% 88,618
2013 7 22 91% 75,352
2012 9 34 91% 94,908
2011 7 41 85% 104,220
2010 7 30 87% 128,689
2009 9 47 81% 114,650
2008 5 27 74% 122,690
2007 6 23 87% 81,954
2006 4 37 70% 136,955
2005 8 69 84% 118,332
2004 8 84 80% 140,639
2003 2 28 68% 156,675

Toyota Sienta reliability FAQ

Across 455 Toyota Sienta vehicles in our MOT data, 85% pass the MOT (a 15% failure rate), with about 1.1 faults or advisories recorded per test.

The most frequently recorded Toyota Sienta MOT issues are: Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Offside Rear Axle swivel pins and bushes swivel pin and/or bush slightly worn (5.1.2 (b) (i)).

The typical Toyota Sienta in our data has covered around 73,414 miles.

Compare the Toyota Sienta

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