Does the Qashqai's Renault engine avoid DPF problems?

I currently own a 2002 diesel, and do a lot of journeys of only two miles and a few journeys of nearly 1000 miles. I assumed I could not buy a new diesel due to DPF problems until I read of a Renault engine...

My BMW 5 Series' DPF fault also caused the turbocharger to fail - is this to be expected?

I own a 2007 5 Series BMW diesel automatic. The car has a full service history, but is high mileage at 85,000. The DPF light came on and the message said that the car was safe to continue driving, however...

Should I buy a petrol or diesel BMW or Mercedes?

I feel it is time to treat myself and am proposing to purchase either an E-Class Mercedes-Benz estate or 5 Series BMW Touring. Either will be less than a year old, but the question I am really stuck on...

Is the Ford Focus 1.6 TDCI diesel a reliable, trouble-free car?

I am considering buying a nearly new Ford Focus 1.6 TDCI. From all reports this would appear to be a very good car, but I am 70 years old and would prefer trouble-free motoring, and I am concerned about...

Why is my Audi A6 TDI's fuel economy so poor?

The fuel economy of my 2007 Audi A6 2.0TDI Avant Multitronic has always been poor from new at 34mpg, rising to 40 in mid 2011 and now having dropped steadily back to 33mpg. Most of my mileage consists...

I want to replace my Focus ST - what will offer better fuel economy and should I buy a diesel?

I currently drive a 2006 Focus ST which I've owned for four years, and apart from a replacement alternator and door strap the only cost has been routine servicing. The car has now covered 53,000 miles....

Does BP Ultimate diesel compare to Shell V-Power?

You confirmed last week that Shell V-Power diesel has advantages over ordinary diesel in terms of particulates and improved performance. I similarly use BP Ultimate diesel in the expectation that it should...

Should I buy a diesel Skoda Octavia to cope with my increased mileage?

My car is a petrol Skoda Octavia vRS, which I purchased new in May last year and I would say is one of the best cars I have owned. However my increased mileage of 25,000 per year is hurting my wallet and...

Thinking of buying a secondhand diesel - when did DPFs and DMFs appear?

I am driving a 2004 Ford C-Max 1.6 diesel which is giving excellent service and fuel economy. I will keep it for a year or two longer, but I wonder about its replacement. If buying secondhand cars, it...

What are the manufacturers doing to improve DPF technology?

Although living in a rural situation most of my journeys are short, which seems to suggest that my diesel engine and exhaust system does not reach the required temperature to enable the DPF to function...