Herald Motor Company XF: MOT pass rate by registration year

Which XF years pass first time, and which fall short of the model's 66.1% average, from 1,923 DVSA tests.

2016

highest-passing year · 68.3%

2013

lowest-passing year · 54.8%

13.5pp

spread across 4 years

Pass rate by registration year

first-time pass rate · cohorts with 50 or more tests · registration year from first use date

Highest pass rate: 2016 (68.3% of 811 tests). Lowest: 2013 (54.8% of 84). Years more than two points below the model average: 2013, 2014.

Registered	Tests	First-time pass	vs model (66.1%)
2013	84	54.8%	-11.3 pp
2014	414	62.8%	-3.3 pp
2015	602	67.3%	+1.2 pp
2016	811	68.3%	+2.2 pp

Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.

Pass rate over time

first-time pass rate by test year · 2017–2025

Questions

Which XF years have the lowest MOT pass rate?: 2013, 2014 registered examples pass first time less often than the Herald Motor Company XF overall (66.1%); the 2013 cohort is lowest at 54.8% from 84 tests.
Which XF year has the highest MOT pass rate?: 2016, at 68.3% of 811 first tests (2005–2025).
How much does the XF pass rate vary by year?: 13.5 percentage points between the highest (2016, 68.3%) and lowest (2013, 54.8%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.

Full report: Herald Motor Company XF reliability, failures and mileage · ranked #4960 of 5428 models· other Herald Motor Company models: Classic, SM 125-25B Classic, Vogue, XF 125 GY-2D, Haze