1988 Ford Sierra — MOT History by Age

How cars manufactured in 1988 perform at MOT as they age

38 years

Current Age

84.4%

Latest Pass Rate

4,628

Total Tests (All Years)

54,473 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 1988 Ford Sierra as it ages.

21 yrs54.0%

→ ↑7.2%

22 yrs61.2%

→ ↑4.3%

23 yrs65.5%

→ ↑0.7%

24 yrs66.2%

→ ↑2.5%

25 yrs68.7%

→ ↑0.6%

26 yrs69.3%

→ ↑3.7%

27 yrs73.0%

→ ↓1.8%

28 yrs71.2%

→ ↑11.0%

29 yrs82.2%

→ ↓5.4%

30 yrs76.8%

→ ↑6.7%

31 yrs83.5%

→ ↓2.0%

32 yrs81.5%

→ ↓2.5%

33 yrs79.0%

→ ↑1.7%

34 yrs80.7%

→ ↑4.2%

35 yrs84.9%

→ ↓0.5%

36 yrs84.4%

📊 View as table

Age	Pass Rate	Tests
21 yrs	54.0%	604
22 yrs	61.2%	472
23 yrs	65.5%	409
24 yrs	66.2%	346
25 yrs	68.7%	307
26 yrs	69.3%	257
27 yrs	73.0%	237
28 yrs	71.2%	208
29 yrs	82.2%	264
30 yrs	76.8%	155
31 yrs	83.5%	176
32 yrs	81.5%	146
33 yrs	79.0%	205
34 yrs	80.7%	181
35 yrs	84.9%	192
36 yrs	84.4%	469

Pass Rate Trend

How the 1988 Ford Sierra pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (36 yrs)	84.4%	469
2023 (35 yrs)	84.9%	192
2022 (34 yrs)	80.7%	181
2021 (33 yrs)	79%	205
2020 (32 yrs)	81.5%	146
2019 (31 yrs)	83.5%	176
2018 (30 yrs)	76.8%	155
2017 (29 yrs)	82.2%	264
2016 (28 yrs)	71.2%	208
2015 (27 yrs)	73%	237
2014 (26 yrs)	69.3%	257
2013 (25 yrs)	68.7%	307
2012 (24 yrs)	66.2%	346
2011 (23 yrs)	65.5%	409
2010 (22 yrs)	61.2%	472
2009 (21 yrs)	54%	604

Year-by-Year MOT Results

2009High Fail Rate

54.0%

Age (yrs) 21Tests 604Avg Mileage 50,633Top Failure Suspension — 23.8%

2010High Fail Rate

61.2%

Age (yrs) 22Tests 472Avg Mileage 50,887Top Failure Brakes — 19.3%

2011

65.5%

Age (yrs) 23Tests 409Avg Mileage 52,727Top Failure Suspension — 16.9%

2012

66.2%

Age (yrs) 24Tests 346Avg Mileage 54,113Top Failure Suspension — 15.9%

2013

68.7%

Age (yrs) 25Tests 307Avg Mileage 52,636Top Failure Suspension — 35.5%

2014

69.3%

Age (yrs) 26Tests 257Avg Mileage 48,898Top Failure Suspension — 38.9%

2015

73.0%

Age (yrs) 27Tests 237Avg Mileage 51,370Top Failure Suspension — 35.9%

2016

71.2%

Age (yrs) 28Tests 208Avg Mileage 51,346Top Failure Suspension — 53.4%

2017

82.2%

Age (yrs) 29Tests 264Avg Mileage 51,974Top Failure Lamps, Reflectors and Electrical Equipment — 18.9%

2018

76.8%

Age (yrs) 30Tests 155Avg Mileage 51,676Top Failure Brakes — 29.7%

2019

83.5%

Age (yrs) 31Tests 176Avg Mileage 52,791Top Failure Lamps, reflectors and electrical equipment — 13.1%

2020

81.5%

Age (yrs) 32Tests 146Avg Mileage 52,455Top Failure Brakes — 21.2%

2021

79.0%

Age (yrs) 33Tests 205Avg Mileage 52,525Top Failure Brakes — 28.8%

2022

80.7%

Age (yrs) 34Tests 181Avg Mileage 55,074Top Failure Brakes — 23.8%

2023

84.9%

Age (yrs) 35Tests 192Avg Mileage 51,602Top Failure Suspension — 12.5%

2024

84.4%

Age (yrs) 36Tests 469Avg Mileage 54,473Top Failure Suspension — 10.2%

MOT results for 1988 Ford Sierra by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	21	54.0%	604	50,633	Suspension — 23.8%
2010	22	61.2%	472	50,887	Brakes — 19.3%
2011	23	65.5%	409	52,727	Suspension — 16.9%
2012	24	66.2%	346	54,113	Suspension — 15.9%
2013	25	68.7%	307	52,636	Suspension — 35.5%
2014	26	69.3%	257	48,898	Suspension — 38.9%
2015	27	73.0%	237	51,370	Suspension — 35.9%
2016	28	71.2%	208	51,346	Suspension — 53.4%
2017	29	82.2%	264	51,974	Lamps, Reflectors and Electrical Equipment — 18.9%
2018	30	76.8%	155	51,676	Brakes — 29.7%
2019	31	83.5%	176	52,791	Lamps, reflectors and electrical equipment — 13.1%
2020	32	81.5%	146	52,455	Brakes — 21.2%
2021	33	79.0%	205	52,525	Brakes — 28.8%
2022	34	80.7%	181	55,074	Brakes — 23.8%
2023	35	84.9%	192	51,602	Suspension — 12.5%
2024	36	84.4%	469	54,473	Suspension — 10.2%

Common MOT Failures

Top failure categories across all test years for 1988 Ford Sierra, with age trends.

Suspension

22.3%

↓ Decreases with age

Brakes

21.4%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

20.4%

↓ Decreases with age

Lamps, reflectors and electrical equipment

15.2%

↓ Decreases with age

Body, chassis, structure

12.5%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	21.2% (21 yrs)	5.8% (36 yrs)	-15.4%	🟢 ↓
Suspension	23.8% (21 yrs)	10.2% (36 yrs)	-13.6%	🟢 ↓
Steering	13.4% (21 yrs)	4.3% (36 yrs)	-9.1%	🟢 ↓

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 1988 perform at MOT as they age. Data spans from 2009 to 2024, covering 4,628 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.