Ask Honest John

Most recently answered co2 emissions questions
I am looking to replace my VW Polo and would be grateful for your advice on the best small car with zero road tax I have been thinking about the Toyota Aygo. My driving is mainly around the town and I...
Can you explain the workings of the EGC gearbox on the HDi 110 engine? The CO2 is only 130 vs 137 for the manual version (the HDi 163 that I originally favoured omits 173). Can one just leave it in automatic...
My 1999 Vauxhall Corsa just failed its MOT on emissions. I can't afford to let the garage put it right so I need to have a go myself, but I have no idea what is causing the problem. How do I find out?
I am looking to buy a new car with automatic transmission, and wish to stay below the 120G/km CO2 limit. I have a budget of £20,000 in mind, and performance is not that important. I know about the Toyota...
A friend is thinking of changing her 3-year-old Ford Focus Diesel manual for another car. Could you advise what types of similar mid range cars are available (including the Focus) but with an automatic...
I have just bought a 3-month-old Mondeo Zetec TDCI 140 registered in April 2010. The garage advertisement claimed 139g/km CO2 and road tax of £110 a year. However, section 10 of the V5 form I was given...
I am writing to seek your advice about the purchase of a new Volvo S80 DRIVe and would appreciate your views about the current quality of Volvo cars. I am taking one out for a test drive tomorrow and from...
I am bewilderd by the choice of small MPVs (capable of carrying five plus two). I'm considering the Ford S-Max, Citroen C4 Grand Picasso, Peugeot 5008 or Volkswagen Touran. All seem to fit in the £20-25,000...
I have imported my car from the Middle East to the UK, and it has had to go for the IVA test for type approval. Among the other things that it failed on (none of which are mechanical), there are the two...
I own a two-year-old BMW X3 3.0 Diesel Automatic. The 'birth certificate' for this car states it has CO2 emissions of 226g/km, which just puts it into the £405 tax band. Several websites quote a much lower...
 

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