What are the most common problems with an MG MGF?

At MOT, exhaust emissions (catalyst) and sub-frame are flagged more often than on other cars the same age.

What should I ask the seller before buying a used MG MGF?

Any recent work on the exhaust emissions (catalyst)? (Flagged at MOT 3.1× as often on the MG MGF as on other cars the same age.) Any recent work on the sub-frame? (Flagged at MOT 3× as often on the MG MGF as on other cars the same age.) Any recent work on the ball joint? (Flagged at MOT 2.5× as often on the MG MGF as on other cars the same age.) Can I see the service history and receipts for any big jobs?

Used car guide · 1995–2002

MG MGF common problems and MOT failures

What goes wrong on a used MG MGF, year by year: known faults from UK buying guides, the parts flagged at MOT more than on other cars (from 17,069 MOTs done during 2023–2025), and what to check before you buy one.

17,069MOTs done in 2023–2025, all years of this model

12,205on the UK register

Pick the year

Most years have their own guide. The year is when the car was first registered (it’s on the logbook, or check the reg below).

2002 2001 2000 1999 1998 1997 1996 1995

What usually goes wrong with an MG MGF?

We haven’t found widely reported faults for the MG MGF in the UK buying guides we use yet. That doesn’t mean it has none, so check the car carefully and look at the MOT weak spots below.

Common MG MGF MOT failures to check

Parts flagged at MOT well above the usual rate for cars the same age. From the DVSA’s results for every MOT done in Great Britain during 2023–2025.

Exhaust emissions (catalyst)
up to 3.1× usual

Stands out on cars registered in 1996, 1997, 1998, 1999, 2000 and 2001.

Rough price £175–£900 (catalytic converter) ClickMechanic

At the viewing: Look for smoke when revving the warm engine and for engine or DPF warning lights.
Sub-frame
up to 3× usual

Stands out on cars registered in 1996, 1997, 1998, 1999, 2000 and 2001.

Rough price £300–£1,000 our estimate

At the viewing: Look underneath at the frame the suspension bolts to. Flaky rust or holes are expensive to fix.
Ball joint
up to 2.5× usual

Stands out on cars registered in 1996, 1997 and 1998.

Rough price £60–£150 (one joint) ClickMechanic

At the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.

MG MGF MOT pass rate by year

Older cars fail more, so compare each year with all cars registered the same year.

Year	Pass first time	All cars that year	MOT tests
2002	66%	58% +8	385 (small sample)
2001	69%	60% +9	4,882
2000	66%	61% +5	2,930
1999	66%	63% +3	2,567
1998	64%	65% -1	2,501
1997	67%	65% +2	2,040
1996	64%	66% -2	1,558
1995	59%	67% -8	206 (small sample)

Questions to ask the seller before buying an MG MGF

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

Any recent work on the exhaust emissions (catalyst)? (Flagged at MOT 3.1× as often on the MG MGF as on other cars the same age.)
Any recent work on the sub-frame? (Flagged at MOT 3× as often on the MG MGF as on other cars the same age.)
Any recent work on the ball joint? (Flagged at MOT 2.5× as often on the MG MGF as on other cars the same age.)
Can I see the service history and receipts for any big jobs?

Looking at an MG MGF?

Check the actual car: its own MOT history, whether it already shows these weak spots and what to ask the seller. Free, no sign-up.

Where this comes from: MOT figures are the DVSA’s anonymised results for every MOT test done in Great Britain during 2023–2025, grouped by the year each car was first registered. How many are on the road is from the Department for Transport’s vehicle licensing statistics. Known faults are from UK buying guides, in our own words, with links. How we score