1989 Ford Sierra — MOT History by Age

How cars manufactured in 1989 perform at MOT as they age

37 years

Current Age

81.0%

Latest Pass Rate

8,251

Total Tests (All Years)

52,594 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1989 Ford Sierra as it ages.

20 yrs52.3%

→ ↑6.1%

21 yrs58.4%

→ ↑2.8%

22 yrs61.2%

→ ↑0.8%

23 yrs62.0%

→ ↑3.8%

24 yrs65.8%

→ ↓1.2%

25 yrs64.6%

→ ↑4.6%

26 yrs69.2%

→ ↑2.7%

27 yrs71.9%

→ ↑0.3%

28 yrs72.2%

→ ↑7.5%

29 yrs79.7%

→ ↓1.1%

30 yrs78.6%

→ ↓3.2%

31 yrs75.4%

→ ↑8.4%

32 yrs83.8%

→ ↓4.8%

33 yrs79.0%

→ ↑4.7%

34 yrs83.7%

→ ↓2.7%

35 yrs81.0%

📊 View as table

Age	Pass Rate	Tests
20 yrs	52.3%	1,222
21 yrs	58.4%	936
22 yrs	61.2%	725
23 yrs	62.0%	594
24 yrs	65.8%	500
25 yrs	64.6%	449
26 yrs	69.2%	419
27 yrs	71.9%	385
28 yrs	72.2%	464
29 yrs	79.7%	305
30 yrs	78.6%	309
31 yrs	75.4%	256
32 yrs	83.8%	352
33 yrs	79.0%	281
34 yrs	83.7%	319
35 yrs	81.0%	735

Pass Rate Trend

How the 1989 Ford Sierra pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (35 yrs)	81%	735
2023 (34 yrs)	83.7%	319
2022 (33 yrs)	79%	281
2021 (32 yrs)	83.8%	352
2020 (31 yrs)	75.4%	256
2019 (30 yrs)	78.6%	309
2018 (29 yrs)	79.7%	305
2017 (28 yrs)	72.2%	464
2016 (27 yrs)	71.9%	385
2015 (26 yrs)	69.2%	419
2014 (25 yrs)	64.6%	449
2013 (24 yrs)	65.8%	500
2012 (23 yrs)	62%	594
2011 (22 yrs)	61.2%	725
2010 (21 yrs)	58.4%	936
2009 (20 yrs)	52.3%	1,222

Year-by-Year MOT Results

2009High Fail Rate

52.3%

Age (yrs) 20Tests 1,222Avg Mileage 49,717Top Failure Suspension — 27.6%

2010High Fail Rate

58.4%

Age (yrs) 21Tests 936Avg Mileage 51,008Top Failure Suspension — 24.1%

2011High Fail Rate

61.2%

Age (yrs) 22Tests 725Avg Mileage 51,063Top Failure Suspension — 22.3%

2012High Fail Rate

62.0%

Age (yrs) 23Tests 594Avg Mileage 50,006Top Failure Suspension — 25.6%

2013

65.8%

Age (yrs) 24Tests 500Avg Mileage 51,656Top Failure Suspension — 54.2%

2014High Fail Rate

64.6%

Age (yrs) 25Tests 449Avg Mileage 51,371Top Failure Suspension — 55.7%

2015

69.2%

Age (yrs) 26Tests 419Avg Mileage 52,415Top Failure Suspension — 46.8%

2016

71.9%

Age (yrs) 27Tests 385Avg Mileage 51,200Top Failure Suspension — 35.8%

2017

72.2%

Age (yrs) 28Tests 464Avg Mileage 53,320Top Failure Suspension — 38.6%

2018

79.7%

Age (yrs) 29Tests 305Avg Mileage 51,232Top Failure Suspension — 27.2%

2019

78.6%

Age (yrs) 30Tests 309Avg Mileage 52,153Top Failure Brakes — 25.6%

2020

75.4%

Age (yrs) 31Tests 256Avg Mileage 51,353Top Failure Suspension — 28.9%

2021

83.8%

Age (yrs) 32Tests 352Avg Mileage 55,705Top Failure Lamps, reflectors and electrical equipment — 17.0%

2022

79.0%

Age (yrs) 33Tests 281Avg Mileage 51,420Top Failure Lamps, reflectors and electrical equipment — 24.9%

2023

83.7%

Age (yrs) 34Tests 319Avg Mileage 51,767Top Failure Suspension — 20.4%

2024

81.0%

Age (yrs) 35Tests 735Avg Mileage 52,594Top Failure Brakes — 20.5%

MOT results for 1989 Ford Sierra by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	20	52.3%	1,222	49,717	Suspension — 27.6%
2010	21	58.4%	936	51,008	Suspension — 24.1%
2011	22	61.2%	725	51,063	Suspension — 22.3%
2012	23	62.0%	594	50,006	Suspension — 25.6%
2013	24	65.8%	500	51,656	Suspension — 54.2%
2014	25	64.6%	449	51,371	Suspension — 55.7%
2015	26	69.2%	419	52,415	Suspension — 46.8%
2016	27	71.9%	385	51,200	Suspension — 35.8%
2017	28	72.2%	464	53,320	Suspension — 38.6%
2018	29	79.7%	305	51,232	Suspension — 27.2%
2019	30	78.6%	309	52,153	Brakes — 25.6%
2020	31	75.4%	256	51,353	Suspension — 28.9%
2021	32	83.8%	352	55,705	Lamps, reflectors and electrical equipment — 17.0%
2022	33	79.0%	281	51,420	Lamps, reflectors and electrical equipment — 24.9%
2023	34	83.7%	319	51,767	Suspension — 20.4%
2024	35	81.0%	735	52,594	Brakes — 20.5%

Common MOT Failures

Top failure categories across all test years for 1989 Ford Sierra, with age trends.

Suspension

30.5%

↓ Decreases with age

Brakes

24.4%

— Consistent

Lamps, Reflectors and Electrical Equipment

22.6%

↓ Decreases with age

Lamps, reflectors and electrical equipment

17.9%

↑ Increases with age

Body, chassis, structure

13.3%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	27.6% (20 yrs)	20.4% (35 yrs)	-7.2%	🟢 ↓
Brakes	21.8% (20 yrs)	20.5% (35 yrs)	-1.3%	⚪ —

Other Manufacture Years

1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993

← Back to Ford Sierra overview

Looking for the best year to buy? See the full comparison on the Ford Sierra page →

About This Data

This page shows how Ford Sierra cars manufactured in 1989 perform at MOT as they age. Data spans from 2009 to 2024, covering 8,251 tests. Pass rates naturally decline with age as components wear.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.