Ford Fiesta years to avoid — 4.0 million MOT tests ranked

Inspect most carefully: 2001, 2012, 2016. Strongest in the data: 2018 or 2021. The ranking uses 4.0 million MOT tests across 22 registration years (2023–2025) and compares each year with all UK cars of the same age. Fuel-type signal: diesels show an average 6.1-point pass-rate deficit on this model. That may reflect mileage and use as well as the car itself, so inspect DPF and emissions history rather than treating fuel type as a verdict.

Every Fiesta year, ranked

The age-adjusted MOT index sets 100 as the pass rate of all UK cars registered in the same year and tested in the same calendar year. Higher is better. This prevents an old car being labelled a “bad year” simply because it is old.

Rank	Year	Index	Vs same-age	Pass rate	Tests
1	2021 Strong	103.2	+3.2 pts	93.6%	7,431
2	2018 Strong	101.9	+1.9 pts	88.3%	274,497
3	2022	101.6	+1.6 pts	92.8%	7,620
4	2019	101.3	+1.3 pts	89.6%	217,806
5	2020	99.6	-0.4 pts	89.6%	60,942
6	2003	99.5	-0.5 pts	64.5%	45,939
7	2007	99.2	-0.8 pts	64.3%	152,816
8	2004	99.1	-0.9 pts	63.4%	60,738
9	2017	98.5	-1.5 pts	82.5%	267,348
10	2002	98.5	-1.5 pts	64.2%	21,935
11	2008	98.3	-1.7 pts	63.5%	165,506
12	2005	98.1	-1.9 pts	62.6%	73,812
13	2006	97.7	-2.3 pts	62.1%	123,985
14	2014	97.2	-2.8 pts	73.1%	362,368
15	2010	97.0	-3.0 pts	64.3%	254,540
16	2011	96.9	-3.1 pts	66.0%	249,852
17	2009	96.7	-3.3 pts	63.1%	269,992
18	2015	96.6	-3.4 pts	75.3%	371,911
19	2013	96.4	-3.6 pts	69.7%	332,810
20	2012 Inspect	95.6	-4.4 pts	66.8%	291,502
21	2016 Inspect	95.0	-5.0 pts	76.3%	338,366
22	2001 Inspect	94.1	-5.9 pts	60.6%	7,919

Why 2001 and 2012 and 2016 rank lower

The 2012 cohort passes 66.8% of tests (-4.4 points versus same-age cars) at a median 77,266 miles, with suspension the leading failure system. The 2016 cohort passes 76.3% of tests (-5.0 points versus same-age cars) at a median 51,097 miles, with suspension the leading failure system. The 2001 cohort passes 60.6% of tests (-5.9 points versus same-age cars) at a median 65,748 miles, with suspension the leading failure system. This is population-level evidence, not a known-fault list: service history, engine version and the individual MOT record can outweigh the registration-year average.

How to use this before buying

Rankings describe the cohort, not the car. A cherished 2001 example beats a neglected 2018 one — always run the specific reg through the free MOT history check.
Read the advisories. Repeated notes for the same component across years mean the owner has been ignoring it. Decode them in our advisory library.
Fuel matters on this model. The diesel deficit (6.1 points) usually traces to DPF and emissions kit on low-mileage use — check for P2463-type soot codes on the test drive.
Scan before you pay. A 2-minute OBD scan reveals stored faults the dashboard hides — see our scanner guide.

FAQs

Which Fiesta years should I avoid?

Based on 4.0 million MOT tests adjusted against cars of the same age, 2001, 2012, 2016 are the lower-scoring outliers. That is a prompt for closer inspection, not proof that every car from those years is bad.

What is the best Fiesta year to buy used?

2018 and 2021 lead the age-adjusted MOT ranking. The score compares each registration year with all UK cars of the same age; the specific car's history and condition still take priority.

Is the Fiesta reliable overall?

Across 4.0 million tests, the median age-adjusted index is 98.2 (100 equals the pass rate of all cars registered in the same year). Use the spread between years as one signal, then check the individual registration.

Methodology: index = 100 + the model-year cohort’s MOT pass-rate difference versus all UK vehicles registered in the same year and tested in the same calendar year. Class 4 initial tests only; retests excluded; at least 1,500 tests per page. “Inspect” years are below both the same-age baseline and the model’s median index by at least 2 points. Association is not proof of a model-year defect. DVSA anonymised data 2023–2025, OGL v3.0.