The MOT Files

Known faults, from the test record

Volkswagen Fox common problems

What fails on the Volkswagen Fox at MOT, which parts are behind it, and how each model year compares. From 23,316 DVSA test records.

Data updated

Quick answer

The Volkswagen Fox's most common MOT problems are suspension bushes, bulbs and lamps, wiper blades and washers, recorded in 46.6%, 40.3% and 28.4% of failed tests respectively. By model year, 2011 cars pass most often (54.6%) and 2008 cars least (48.6%), though most of that gap is age. Every figure here is what testers recorded, not what owners reported.

A “common problems” list is usually a forum thread: whoever had the worst day writes the longest post. This one is built the other way, from every Volkswagen Fox that took an MOT last year and what the tester wrote down. It cannot see breakdowns, electrical gremlins or a gearbox that hunts, because the test does not check those. What it can see, it sees across 23,316 cars.

By component

What wears out on a Fox

Failure items grouped by the part behind them, with the share of failed Volkswagen Fox tests recording each. A part can carry several DVSA wordings; they are listed beneath. One failed test often lists several items, so shares do not sum to 100%.

  1. 1.Suspension bushes

    46.6% of failed tests

    Rubber bushes in arms and links perish and split with age and load; the most recorded suspension item on the test.

    • “A suspension joint dust cover missing or no longer prevents the ingress of dirt etc” — explained15.7%
    • “A suspension joint dust cover missing or no longer prevents the ingress of dirt etc” — explained8.9%
    • “A suspension pin, bush or joint excessively worn” — explained8.3%
    • “A suspension joint dust cover missing or no longer prevents the ingress of dirt etc” — explained5.9%

    Across all cars, suspension bushes failures climb 20-fold between three and fifteen years, peaking at 15+ years. How long suspension bushes last

  2. 2.Bulbs and lamps

    40.3% of failed tests

    Filament bulbs simply expire; the cheapest and most avoidable failure on the test, and one of the most recorded.

    • “A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning” — explained11.0%
    • “Stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning” — explained9.0%
    • “A headlamp or light source missing, inoperative or more than ½ not functioning in the case of LED” — explained5.6%
    • “Lamp emitted colour, position or intensity not in accordance with the requirements” — explained5.2%

    Across all cars, bulbs and lamps failures climb 15-fold between three and fifteen years, peaking at 15+ years. How long bulbs and lamps last

  3. 3.Wiper blades and washers

    28.4% of failed tests

    Rubber blades harden and split within a year or two; washer jets block and pumps fail.

    • “Wiper blade missing or obviously not clearing the windscreen” — explained12.4%
    • “Windscreen washers not working or not providing sufficient fluid to clear the windscreen” — explained10.0%
    • “Windscreen washers not working or not providing sufficient fluid to clear the windscreen” — explained5.9%

    Across all cars, wiper blades and washers failures run at a similar rate at every age, because they are replaced on a cycle rather than wearing out with the car. How long wiper blades and washers last

  4. 4.Tyres

    18.6% of failed tests

    Tread wears with every mile and sidewalls age and take kerb damage; the legal minimum is 1.6 mm across the central three-quarters.

    • “Tyre tread depth not in accordance with the requirements” — explained6.6%
    • “A tyre cords visible or damaged” — explained5.0%
    • “A tyre seriously damaged” — explained3.6%
    • “A tyre seriously damaged” — explained3.4%

    Across all cars, tyres failures run at a similar rate at every age, because they are replaced on a cycle rather than wearing out with the car. How long tyres last

  5. 5.Catalytic converter and emissions

    17.5% of failed tests

    Catalysts degrade with age and misfires; a failed emissions reading is usually the catalyst, a lambda sensor or a tired engine.

    • “Lambda coefficient outside the default limits or the range specified by the manufacturer” — explained13.0%
    • “Emissions levels exceed default limits” — explained2.3%
    • “Emissions levels exceed the manufacturer's specified limits” — explained2.2%

  6. 6.Exhaust system

    16.6% of failed tests

    Silencers and pipes rust through from the inside on short-trip cars; rubber hangers perish.

    • “Exhaust system leaking or insecure” — explained13.1%
    • “An induction or exhaust leak that could affect emissions levels” — explained3.5%

    Across all cars, exhaust system failures climb 104-fold between three and fifteen years, peaking at 15+ years. How long exhaust system last

  7. 7.Headlamp aim

    15.6% of failed tests

    Aim drifts with sagging suspension, a knocked lamp or a botched bulb change; adjustment, not a part.

    • “The aim of a headlamp is not within limits laid down in the requirements” — explained10.6%
    • “The aim of a headlamp is not within limits laid down in the requirements” — explained4.9%

  8. 8.Driveshaft gaiters

    14.5% of failed tests

    The rubber boot over each CV joint splits with age and flexing, then throws grease and lets grit destroy the joint.

    • “A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc” — explained14.5%

    Across all cars, driveshaft gaiters failures climb 21-fold between three and fifteen years, peaking at 15+ years. How long driveshaft gaiters last

By registration year

Fox problems by year

MOT pass rate for Volkswagen Fox cars by the year they were first registered, from years with at least 1,000 tests. Every car in a row is the same age, so the rate is raw. Neighbouring years differ by a year of wear — a step of a point or two is age. No single step here is large enough to point at a generation change.

200652%
200750%−2.1
200849%−1.1
200950%+1.7
201051%+0.7
201155%+3.6

Last column: change on the previous year, in points. Years registered within the last three years have not yet been tested and are not shown.

Before it fails

What testers warn Fox owners about

Advisories are the same parts a year or two earlier. Share of all Volkswagen Fox tests carrying an advisory for each.

Go deeper

The rest of the Fox file

Common questions

What are the most common problems with a Volkswagen Fox?
Going by what fails the MOT, suspension bushes (recorded in 46.6% of failed tests), bulbs and lamps (recorded in 40.3% of failed tests), and wiper blades and washers (recorded in 28.4% of failed tests). These are the items testers actually record across 23,316 tests, not reports from owners, so they describe what goes wrong at the point where it has to be fixed.
Which Volkswagen Fox year is the most reliable?
By MOT pass rate, Volkswagen Fox cars registered in 2011 do best at 54.6% and 2008 cars do worst at 48.6%. Most of that ordering is simply age — newer cars pass more — so read the year table for steps larger than a couple of points between neighbouring years; those mark a change in the cars rather than the calendar.
Is the Volkswagen Fox reliable?
The Volkswagen Fox passes 50.7% of MOTs unadjusted; its fleet is too narrow in age or mileage for a fair national comparison. An MOT measures roadworthiness on the day rather than breakdowns or running costs, so this is a reliability measure in the narrow sense: how often the car meets the legal standard, and what stops it.
What should I check when buying a used Volkswagen Fox?
Start with what fails most: suspension bushes, bulbs and lamps, wiper blades and washers. Then read the car's own MOT history for advisories carried year to year without repair — the model tells you what to expect, the history tells you whether this owner dealt with it.

Analysis built from DVSA data of