Best value estate for under £18,000?

I have a budget of around £18k for a second hand family estate, I am looking for a premium build and lots of tech. For that money I am looking at 2015+ Mazda 6, Ford Mondeo or 2014+ Mercedes-Benz C220....

How can I tell when the DPF regen cycle has completed?

I own a 2012 Mazda 3 with a 1.6-litre diesel engine. Recently a warning light came has come on, stating that the oil level is too high. A local mechanic tells me this is something to do with the DPF regeneration....

Buying a new seven-seater - Touran or C4 Grand Picasso?

We are looking to buy a new compact seven-seater and have narrowed our choices down to the Volkswagen Touran 2.0 diesel DSG and the Citroen C4 Grand Picasso 1.6 diesel EAT. I am leaning towards the Touran...

Vauxhall Astra making a knocking noise

I own a diesel Vauxhall Astra (2005 model). When driving, the car judders as it pulls away and makes a knocking noise. The sound and judder stop when I push the clutch in. Any idea what could be wrong?...

How can I tell if a DPF regen is taking place?

Do any vans tell the driver when a DPF regeneration is starting or taking place?

Ford Focus making a knocking nose between gear changes

I have noticed a knocking noise between gear changes on my Ford Focus 1.6 diesel. My local dealer has told me this is normal, but I disagree. How do I find out what the problem is?

Engine failure on Nissan Qashqai

The 1.5 diesel on my Nissan Qashqai broke, due to turbo failure. Nissan has replaced the engine and I am due to get it back tomorrow. What should I check?

Volkswagen Passat problems - is it related to the emissions scandal?

I received a letter from Volkswagen over a year ago to say my diesel Passat was impacted by the emissions scandal. They said they would be in touch shortly about the recall - I've yet to receive any follow...

Can I reject my used Tiguan over the emissions scandal?

Six months ago I purchased a used Volkswagen Tiguan from a local dealer. The car was 14 months old and the salesman assured me that the engine was not involved in the Volkswagen emissions scandal. Subsequently...

Volkswagen Passat EGR fault

I have just read your article on EGR failure on Volkswagens and the link to the emissions scam with interest. My 2011 Passat has been recalled as one of the cars effected by the scandal and has been fully...