1998 Rover 623 — MOT History by Age

How cars manufactured in 1998 perform at MOT as they age

28 years

Current Age

42.0%

Latest Pass Rate

1,610

Total Tests (All Years)

98,137 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 19

This car: 42.0%

Average: 55.4%

⚠️ 13.4% below average (7550 models compared)

How This Car Ages

Pass rate progression for the 1998 Rover 623 as it ages.

11 yrs40.8%

→ ↑6.8%

12 yrs47.6%

→ ↓8.3%

13 yrs39.3%

→ ↑0.7%

14 yrs40.0%

→ ↑1.8%

15 yrs41.8%

→ ↑9.2%

16 yrs51.0%

→ ↓9.3%

17 yrs41.7%

→ ↑8.3%

18 yrs50.0%

→ ↓8.0%

19 yrs42.0%

📊 View as table

Age	Pass Rate	Tests
11 yrs	40.8%	400
12 yrs	47.6%	330
13 yrs	39.3%	262
14 yrs	40.0%	180
15 yrs	41.8%	134
16 yrs	51.0%	102
17 yrs	41.7%	84
18 yrs	50.0%	68
19 yrs	42.0%	50

Pass Rate Trend

How the 1998 Rover 623 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (19 yrs)	42%	50
2016 (18 yrs)	50%	68
2015 (17 yrs)	41.7%	84
2014 (16 yrs)	51%	102
2013 (15 yrs)	41.8%	134
2012 (14 yrs)	40%	180
2011 (13 yrs)	39.3%	262
2010 (12 yrs)	47.6%	330
2009 (11 yrs)	40.8%	400

Year-by-Year MOT Results

2009High Fail Rate

40.8%

Age (yrs) 11Tests 400Avg Mileage 99,448Top Failure Brakes — 38.8%

2010High Fail Rate

47.6%

Age (yrs) 12Tests 330Avg Mileage 103,126Top Failure Brakes — 37.3%

2011High Fail Rate

39.3%

Age (yrs) 13Tests 262Avg Mileage 103,440Top Failure Brakes — 40.8%

2012High Fail Rate

40.0%

Age (yrs) 14Tests 180Avg Mileage 101,347Top Failure Brakes — 40.6%

2013High Fail Rate

41.8%

Age (yrs) 15Tests 134Avg Mileage 100,309Top Failure Brakes — 100.7%

2014High Fail Rate

51.0%

Age (yrs) 16Tests 102Avg Mileage 98,740Top Failure Brakes — 72.5%

2015High Fail Rate

41.7%

Age (yrs) 17Tests 84Avg Mileage 97,970Top Failure Brakes — 90.5%

2016High Fail Rate

50.0%

Age (yrs) 18Tests 68Avg Mileage 99,261Top Failure Brakes — 94.1%

2017High Fail Rate

42.0%

Age (yrs) 19Tests 50Avg Mileage 98,137Top Failure Brakes — 96.0%

MOT results for 1998 Rover 623 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	11	40.8%	400	99,448	Brakes — 38.8%
2010	12	47.6%	330	103,126	Brakes — 37.3%
2011	13	39.3%	262	103,440	Brakes — 40.8%
2012	14	40.0%	180	101,347	Brakes — 40.6%
2013	15	41.8%	134	100,309	Brakes — 100.7%
2014	16	51.0%	102	98,740	Brakes — 72.5%
2015	17	41.7%	84	97,970	Brakes — 90.5%
2016	18	50.0%	68	99,261	Brakes — 94.1%
2017	19	42.0%	50	98,137	Brakes — 96.0%

Common MOT Failures

Top failure categories across all test years for 1998 Rover 623, with age trends.

Brakes

67.9%

↑ Increases with age

Suspension

41.1%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

33.6%

↑ Increases with age

Tyres

24.2%

↑ Increases with age

Exhaust, Fuel and Emissions

24.1%

↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	38.8% (11 yrs)	96.0% (19 yrs)	+57.2%	🔴 ↑
Suspension	26.0% (11 yrs)	56.0% (19 yrs)	+30.0%	🔴 ↑
Tyres	19.3% (11 yrs)	44.0% (19 yrs)	+24.7%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	28.2% (11 yrs)	38.0% (19 yrs)	+9.8%	🔴 ↑

Other Manufacture Years

1993 1994 1995 1996 1997 1998 1999

← Back to Rover 623 overview

Looking for the best year to buy? See the full comparison on the Rover 623 page →

About This Data

This page shows how Rover 623 cars manufactured in 1998 perform at MOT as they age. Data spans from 2009 to 2017, covering 1,610 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.