Porsche Cayenne diesel or Volkswagen Touareg TDI?

I want to buy a new SUV, but can’t decide between a 2010 Porsche Cayenne V6 diesel or 2011 Volkswagen Touareg V8 TDI. The Cayenne is lovely inside, handles like a car and feels planted on the road, whereas...

Best used estate for under £5k?

I’m after an estate to replace my 1996 Audi A4 Avant 1.9TDI. My priorities for the new car are reliability, low running costs and one or two driver comforts. I am not bothered by what badge it wears, nor...

Volkswagen 1.6 TDI - is the engine any good?

Will a Volkswagen 1.6 TDI 105ps engine be sufficiently powerful to comfortably power a Golf with a DSG box?

Does my Volkswagen have a DPF?

I have recently moved from France to Guernsey and from reading your Daily Telegraph column am concerned about potential DPF problems due to low usage. However I am not sure if DPFs were fitted back in...

Low revs on Vauxhall Vectra - what's the cause?

The revs on my Vauxhall Vectra CDTI have started dropping to 500rpm and causing the engine to struggle. It only happens every now and again, with the engine righting itself after a few moments. Any ideas?

What's the best cleaning products for diesel engines?

The emissions warning light is illuminated on my BMW 5 Series diesel. My local garage has said it is due to carbon deposits in the manifold and wants more than £2000 to clean it. Can I do it myself? I...

Can you suggest a BMW with good fuel economy?

I'm looking to replace my 2003 Nissan Primera diesel estate and want something with 50mpg+. I've test driven a BMW 116d SE and like eight speed automatic box, potential economy and drive, but find it a...

Should I have my Lexus re-chipped?

My Lexus LS diesel has covered 83,000 miles and is trouble free, but my only concern is lack of power and poor economy (30-35 mpg). I'm considering having it re-chipped, would this be a good idea?

Buying a used Audi A4 Avant - which engine is best?

I am interested in buying an Audi A4 Avant diesel. It seems that my budget should buy me a 2008 or 2009 car depending upon the mileage. I'm told that 1.9 TDI engine is very long lived, but that the early...

Buying a new Megane - diesel or petrol?

I'm looking to upgrade my 200,000 mile Volkswagen Golf GTi to a more sensible family estate/MPV, I have around £20,000 to spend. I will be doing around 12 - 14,000 miles a year and the new Renault Megane...