Does the Jaguar XK fail the MOT on noise, emissions and leaks more than it should?
The Jaguar XK records 4.36 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 7.48 expected for a car of the same age mix: less than expected for its class and age (−3.12, 95% interval −3.26 to −2.98). It ranks 611 of 678 models on noise, emissions and leaks (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on noise, emissions and leaks · check a Jaguar XK by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Jaguar XK is “Lambda coefficient outside the default limits or the range specified by the manufacturer”, recorded 2,084 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 2,084 | 1.40 |
| Engine MIL illuminated indicating a malfunction | 1,873 | 1.26 |
| Emissions levels exceed default limits | 1,188 | 0.80 |
| Emissions levels exceed the manufacturer's specified limits | 614 | 0.41 |
| Emissions test unable to be completed | 361 | 0.24 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 148,409 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
If a Jaguar XK gets a noise, emissions and leaks advisory, how often does it fail next time?
6.8% of Jaguar XK MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12.2 months and 1,260 miles later (3,857 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 3,857 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
Other pages for this model
Jaguar XK 1998 · Jaguar XK 1999 · Jaguar XK 2000 · Jaguar XK 2001 · Jaguar XK 2002 · Jaguar XK 2003 · Jaguar XK 2004 · Jaguar XK 2005 · Jaguar XK 2006 · Jaguar XK 2007 · Jaguar XK 2008 · Jaguar XK 2009 · Jaguar XK 2010 · Jaguar XK 2011 · Jaguar XK 2012 · Jaguar XK 2013 · Jaguar XK 2014 · Jaguar XK 2015 · Jaguar XK by postcode area · Jaguar XK body, chassis and structure failures · Jaguar XK brakes failures · Jaguar XK vehicle identification failures · Jaguar XK lamps, reflectors and electrics failures · Jaguar XK road wheels failures · Jaguar XK seat belts and airbags failures · Jaguar XK steering failures · Jaguar XK suspension failures · Jaguar XK tyres failures · Jaguar XK visibility failures