1988 Harley Davidson Unclassified — MOT History by Age

How cars manufactured in 1988 perform at MOT as they age

38 years

Current Age

88.9%

Latest Pass Rate

880

Total Tests (All Years)

14,762 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 Harley Davidson Unclassified as it ages.

21 yrs84.6%

→ ↓2.3%

22 yrs82.3%

→ ↓2.9%

23 yrs79.4%

→ ↑8.3%

24 yrs87.7%

→ ↓8.5%

25 yrs79.2%

→ ↑0.4%

26 yrs79.6%

→ ↓0.9%

27 yrs78.7%

→ ↓0.5%

28 yrs78.2%

→ ↑5.1%

29 yrs83.3%

→ ↓2.3%

30 yrs81.0%

→ ↓4.7%

31 yrs76.3%

→ ↑7.4%

32 yrs83.7%

→ ↑5.2%

33 yrs88.9%

→ ↑1.1%

34 yrs90.0%

→ ↓15.9%

35 yrs74.1%

→ ↑14.8%

36 yrs88.9%

📊 View as table

Age	Pass Rate	Tests
21 yrs	84.6%	78
22 yrs	82.3%	79
23 yrs	79.4%	68
24 yrs	87.7%	65
25 yrs	79.2%	53
26 yrs	79.6%	54
27 yrs	78.7%	61
28 yrs	78.2%	55
29 yrs	83.3%	60
30 yrs	81.0%	42
31 yrs	76.3%	38
32 yrs	83.7%	43
33 yrs	88.9%	36
34 yrs	90.0%	40
35 yrs	74.1%	54
36 yrs	88.9%	54

Pass Rate Trend

How the 1988 Harley Davidson Unclassified pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (36 yrs)	88.9%	54
2023 (35 yrs)	74.1%	54
2022 (34 yrs)	90%	40
2021 (33 yrs)	88.9%	36
2020 (32 yrs)	83.7%	43
2019 (31 yrs)	76.3%	38
2018 (30 yrs)	81%	42
2017 (29 yrs)	83.3%	60
2016 (28 yrs)	78.2%	55
2015 (27 yrs)	78.7%	61
2014 (26 yrs)	79.6%	54
2013 (25 yrs)	79.2%	53
2012 (24 yrs)	87.7%	65
2011 (23 yrs)	79.4%	68
2010 (22 yrs)	82.3%	79
2009 (21 yrs)	84.6%	78

Year-by-Year MOT Results

2009

84.6%

Age (yrs) 21Tests 78Avg Mileage 25,857Top Failure Motorcycle lighting and signalling — 11.5%

2010

82.3%

Age (yrs) 22Tests 79Avg Mileage 26,667Top Failure Motorcycle lighting and signalling — 11.4%

2011

79.4%

Age (yrs) 23Tests 68Avg Mileage 27,688Top Failure Motorcycle lighting and signalling — 13.2%

2012

87.7%

Age (yrs) 24Tests 65Avg Mileage 22,775Top Failure Motorcycle steering and suspension — 6.2%

2013

79.2%

Age (yrs) 25Tests 53Avg Mileage 27,698Top Failure Motorcycle lighting and signalling — 18.9%

2014

79.6%

Age (yrs) 26Tests 54Avg Mileage 29,103Top Failure Motorcycle lighting and signalling — 14.8%

2015

78.7%

Age (yrs) 27Tests 61Avg Mileage 25,188Top Failure Motorcycle lighting and signalling — 21.3%

2016

78.2%

Age (yrs) 28Tests 55Avg Mileage 29,153Top Failure Motorcycle lighting and signalling — 23.6%

2017

83.3%

Age (yrs) 29Tests 60Avg Mileage 26,687Top Failure Motorcycle lighting and signalling — 20.0%

2018

81.0%

Age (yrs) 30Tests 42Avg Mileage 27,984Top Failure Motorcycle lamps and reflectors — 19.0%

2019

76.3%

Age (yrs) 31Tests 38Avg Mileage 22,818Top Failure Motorcycle lamps and reflectors — 23.7%

2020

83.7%

Age (yrs) 32Tests 43Avg Mileage 21,035Top Failure Motorcycle lamps and reflectors — 20.9%

2021

88.9%

Age (yrs) 33Tests 36Avg Mileage 16,961Top Failure Motorcycle structure and attachments — 8.3%

2022

90.0%

Age (yrs) 34Tests 40Avg Mileage 21,656Top Failure Motorcycle structure and attachments — 7.5%

2023

74.1%

Age (yrs) 35Tests 54Avg Mileage 20,109Top Failure Motorcycle lamps and reflectors — 13.0%

2024

88.9%

Age (yrs) 36Tests 54Avg Mileage 14,762Top Failure Motorcycle structure and attachments — 16.7%

MOT results for 1988 Harley Davidson Unclassified by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	21	84.6%	78	25,857	Motorcycle lighting and signalling — 11.5%
2010	22	82.3%	79	26,667	Motorcycle lighting and signalling — 11.4%
2011	23	79.4%	68	27,688	Motorcycle lighting and signalling — 13.2%
2012	24	87.7%	65	22,775	Motorcycle steering and suspension — 6.2%
2013	25	79.2%	53	27,698	Motorcycle lighting and signalling — 18.9%
2014	26	79.6%	54	29,103	Motorcycle lighting and signalling — 14.8%
2015	27	78.7%	61	25,188	Motorcycle lighting and signalling — 21.3%
2016	28	78.2%	55	29,153	Motorcycle lighting and signalling — 23.6%
2017	29	83.3%	60	26,687	Motorcycle lighting and signalling — 20.0%
2018	30	81.0%	42	27,984	Motorcycle lamps and reflectors — 19.0%
2019	31	76.3%	38	22,818	Motorcycle lamps and reflectors — 23.7%
2020	32	83.7%	43	21,035	Motorcycle lamps and reflectors — 20.9%
2021	33	88.9%	36	16,961	Motorcycle structure and attachments — 8.3%
2022	34	90.0%	40	21,656	Motorcycle structure and attachments — 7.5%
2023	35	74.1%	54	20,109	Motorcycle lamps and reflectors — 13.0%
2024	36	88.9%	54	14,762	Motorcycle structure and attachments — 16.7%

Common MOT Failures

Top failure categories across all test years for 1988 Harley Davidson Unclassified, with age trends.

Motorcycle lighting and signalling

14.6%

↓ Decreases with age

Motorcycle lamps and reflectors

13.4%

↓ Decreases with age

Motorcycle structure and attachments

10.0%

↑ Increases with age

Motorcycle steering and suspension

7.2%

↑ Increases with age

Motorcycle fuel and exhaust

6.0%

↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Not enough data to compare failures across ages.

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Harley Davidson Unclassified page →

About This Data

This page shows how Harley Davidson Unclassified cars manufactured in 1988 perform at MOT as they age. Data spans from 2009 to 2024, covering 880 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.