1997 Porsche 911 — MOT History by Age

How cars manufactured in 1997 perform at MOT as they age

29 years

Current Age

88.2%

Latest Pass Rate

13,876

Total Tests (All Years)

75,743 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 1997 Porsche 911 as it ages.

12 yrs77.6%

→ ↓0.5%

13 yrs77.1%

→ ↑2.8%

14 yrs79.9%

→ ↓0.3%

15 yrs79.6%

→ ↓0.3%

16 yrs79.3%

→ ↓1.2%

17 yrs78.1%

→ ↑1.5%

18 yrs79.6%

→ ↑3.5%

19 yrs83.1%

→ ↑0.3%

20 yrs83.4%

→ ↓0.2%

21 yrs83.2%

→ ↑0.8%

22 yrs84.0%

→ ↑3.1%

23 yrs87.1%

→ ↓2.5%

24 yrs84.6%

→ ↑1.6%

25 yrs86.2%

→ ↓0.3%

26 yrs85.9%

→ ↑2.3%

27 yrs88.2%

📊 View as table

Age	Pass Rate	Tests
12 yrs	77.6%	994
13 yrs	77.1%	961
14 yrs	79.9%	956
15 yrs	79.6%	931
16 yrs	79.3%	920
17 yrs	78.1%	935
18 yrs	79.6%	899
19 yrs	83.1%	900
20 yrs	83.4%	851
21 yrs	83.2%	595
22 yrs	84.0%	631
23 yrs	87.1%	534
24 yrs	84.6%	762
25 yrs	86.2%	608
26 yrs	85.9%	725
27 yrs	88.2%	1,674

Pass Rate Trend

How the 1997 Porsche 911 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (27 yrs)	88.2%	1,674
2023 (26 yrs)	85.9%	725
2022 (25 yrs)	86.2%	608
2021 (24 yrs)	84.6%	762
2020 (23 yrs)	87.1%	534
2019 (22 yrs)	84%	631
2018 (21 yrs)	83.2%	595
2017 (20 yrs)	83.4%	851
2016 (19 yrs)	83.1%	900
2015 (18 yrs)	79.6%	899
2014 (17 yrs)	78.1%	935
2013 (16 yrs)	79.3%	920
2012 (15 yrs)	79.6%	931
2011 (14 yrs)	79.9%	956
2010 (13 yrs)	77.1%	961
2009 (12 yrs)	77.6%	994

Year-by-Year MOT Results

2009

77.6%

Age (yrs) 12Tests 994Avg Mileage 64,250Top Failure Lamps, Reflectors and Electrical Equipment — 13.2%

2010

77.1%

Age (yrs) 13Tests 961Avg Mileage 64,903Top Failure Lamps, Reflectors and Electrical Equipment — 13.3%

2011

79.9%

Age (yrs) 14Tests 956Avg Mileage 66,988Top Failure Lamps, Reflectors and Electrical Equipment — 13.1%

2012

79.6%

Age (yrs) 15Tests 931Avg Mileage 68,223Top Failure Lamps, Reflectors and Electrical Equipment — 11.5%

2013

79.3%

Age (yrs) 16Tests 920Avg Mileage 70,102Top Failure Lamps, Reflectors and Electrical Equipment — 22.6%

2014

78.1%

Age (yrs) 17Tests 935Avg Mileage 72,016Top Failure Lamps, Reflectors and Electrical Equipment — 26.3%

2015

79.6%

Age (yrs) 18Tests 899Avg Mileage 72,232Top Failure Lamps, Reflectors and Electrical Equipment — 22.4%

2016

83.1%

Age (yrs) 19Tests 900Avg Mileage 74,501Top Failure Lamps, Reflectors and Electrical Equipment — 17.4%

2017

83.4%

Age (yrs) 20Tests 851Avg Mileage 74,173Top Failure Lamps, Reflectors and Electrical Equipment — 18.0%

2018

83.2%

Age (yrs) 21Tests 595Avg Mileage 74,022Top Failure Brakes — 10.6%

2019

84.0%

Age (yrs) 22Tests 631Avg Mileage 74,322Top Failure Lamps, reflectors and electrical equipment — 13.0%

2020

87.1%

Age (yrs) 23Tests 534Avg Mileage 75,884Top Failure Lamps, reflectors and electrical equipment — 11.0%

2021

84.6%

Age (yrs) 24Tests 762Avg Mileage 78,971Top Failure Lamps, reflectors and electrical equipment — 16.7%

2022

86.2%

Age (yrs) 25Tests 608Avg Mileage 74,979Top Failure Lamps, reflectors and electrical equipment — 16.0%

2023

85.9%

Age (yrs) 26Tests 725Avg Mileage 75,693Top Failure Lamps, reflectors and electrical equipment — 15.2%

2024

88.2%

Age (yrs) 27Tests 1,674Avg Mileage 75,743Top Failure Lamps, reflectors and electrical equipment — 12.0%

MOT results for 1997 Porsche 911 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	12	77.6%	994	64,250	Lamps, Reflectors and Electrical Equipment — 13.2%
2010	13	77.1%	961	64,903	Lamps, Reflectors and Electrical Equipment — 13.3%
2011	14	79.9%	956	66,988	Lamps, Reflectors and Electrical Equipment — 13.1%
2012	15	79.6%	931	68,223	Lamps, Reflectors and Electrical Equipment — 11.5%
2013	16	79.3%	920	70,102	Lamps, Reflectors and Electrical Equipment — 22.6%
2014	17	78.1%	935	72,016	Lamps, Reflectors and Electrical Equipment — 26.3%
2015	18	79.6%	899	72,232	Lamps, Reflectors and Electrical Equipment — 22.4%
2016	19	83.1%	900	74,501	Lamps, Reflectors and Electrical Equipment — 17.4%
2017	20	83.4%	851	74,173	Lamps, Reflectors and Electrical Equipment — 18.0%
2018	21	83.2%	595	74,022	Brakes — 10.6%
2019	22	84.0%	631	74,322	Lamps, reflectors and electrical equipment — 13.0%
2020	23	87.1%	534	75,884	Lamps, reflectors and electrical equipment — 11.0%
2021	24	84.6%	762	78,971	Lamps, reflectors and electrical equipment — 16.7%
2022	25	86.2%	608	74,979	Lamps, reflectors and electrical equipment — 16.0%
2023	26	85.9%	725	75,693	Lamps, reflectors and electrical equipment — 15.2%
2024	27	88.2%	1,674	75,743	Lamps, reflectors and electrical equipment — 12.0%

Common MOT Failures

Top failure categories across all test years for 1997 Porsche 911, with age trends.

Lamps, Reflectors and Electrical Equipment

16.3%

↓ Decreases with age

Lamps, reflectors and electrical equipment

13.5%

— Consistent

Brakes

8.5%

↓ Decreases with age

Tyres

6.9%

↓ Decreases with age

Suspension

6.2%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	10.3% (12 yrs)	6.2% (27 yrs)	-4.1%	🟢 ↓
Tyres	6.8% (12 yrs)	3.5% (27 yrs)	-3.3%	🟢 ↓
Suspension	2.8% (12 yrs)	5.3% (27 yrs)	+2.5%	🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Porsche 911 page →

About This Data

This page shows how Porsche 911 cars manufactured in 1997 perform at MOT as they age. Data spans from 2009 to 2024, covering 13,876 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.