Caterham Seven (S3) MOT Pass Rate & Official DVSA Failure Statistics

Caterham Seven (S3) MOT History and Failure Rates vs UK National Average

The Caterham Seven (S3) passed on its first attempt in 89.5%, and its overall record sits +9.3 percentage points above the national average for all cars. These figures come from every recorded DVSA MOT test for the Caterham Seven (S3) in the 2023–2025 data: 1,952 tests across 13 model years (2000–2012). A test still carries exactly one pass or fail verdict.

Figures are computed from every recorded DVSA test for this model in the 2023–2025 data.

Most Common Caterham Seven (S3) MOT Problems by Failure Category

Every MOT failure a tester records belongs to one inspection section of the DVSA manual. For the Caterham Seven (S3), the Lamps, reflectors and electrical equipment section leads the record — the breakdown below shows where the recorded failures cluster, then the exact strings behind the three biggest sections.

Shares are over the Caterham Seven (S3)'s recorded defect strings, merged across its year pages.

Top Recorded Caterham Seven (S3) DVSA MOT Test Statistics & Defect Descriptions

The descriptions below are the exact DVSA failure strings testers recorded most often for the Caterham Seven (S3), each with how many of the model's 1,952 tests it was noted on.

• "Windscreen damaged but not adversely affecting driver's view" (Minor) — noted on about 41 Caterham Seven (S3) tests, 2.1% of the model's MOT record.
• "Steering rack gaiter damaged or deteriorated, but preventing the ingress of dirt" (Minor) — noted on about 37 Caterham Seven (S3) tests, 1.9% of the model's MOT record.
• "Catalyst emissions Lambda reading after 2nd fast idle outside specified limits" (Major) — noted on about 24 Caterham Seven (S3) tests, 1.2% of the model's MOT record.
• "Ball joint dust cover severely deteriorated" (Minor) — noted on about 22 Caterham Seven (S3) tests, 1.1% of the model's MOT record.
• "Catalyst emissions carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits" (Major) — noted on about 14 Caterham Seven (S3) tests, 0.7% of the model's MOT record.
• "Steering rack gaiter missing or no longer prevents the ingress of dirt" (Major) — noted on about 12 Caterham Seven (S3) tests, 0.6% of the model's MOT record.

Best and Worst Caterham Seven (S3) Model Years by Pass Rate

The strongest Caterham Seven (S3) model year on record is 2000 (93.7% across 175 tests), and the weakest is 2007 (86.4%). The gap between them is 7.3 points. Years with fewer than 50 recorded tests are excluded, so these are the years with enough MOT history to mean something.

Newest model year first. Only years with at least 50 recorded tests are listed.

Pre-MOT Inspection Checklist for Caterham Seven (S3) Owners

These checks follow this Caterham Seven (S3)'s own most-recorded failure strings, starting with what a tester is most likely to flag on a Caterham Seven (S3).

• the windscreen — “windscreen damaged”

  Check the driver’s side of the screen within the swept area for chips and cracks; anything larger than 10mm in the driver’s central view is a fail. Most chips can be resin-repaired for far less than a new screen.

• the steering — “steering rack gaiter damaged or deteriorated,”

  With the wheels straight, rock the steering wheel gently with the engine off — more than about an inch of free play before the wheels move is worth investigating. Split rack gaiters are cheap to replace and commonly recorded.

• the exhaust and emissions — “catalyst emissions Lambda reading after 2nd fast idle outside specified limits”

  Listen for a blow at idle and have someone rev it gently. Then look at the tailpipe smoke: blue is oil, white when warm is coolant, black is over-fuelling. Any of those and the emissions test is the least of it.

Derived from the DVSA failure strings testers recorded for the Caterham Seven (S3). A check that finds nothing means the item is likely fine, not that the test is guaranteed.

Frequently Asked Questions: Caterham Seven (S3) MOT & Reliability