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Hi Kathleen,

The new Toyota Prius looks to be rather impressive, and with just 70g/km of CO₂ it'll certainly be cheap to tax. We reckon you should probably look beyond the Prius though, to the new generation of plugin hybrids that can offer significantly longer electric-only range (as much as 50km) and which still have a petrol engine and a decent fuel tank for longer journeys. Have a look at the Volkswagen Golf GTE or Mitsubishi Outlander PHEV for example.

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Hi Tom,

A really good car the SX4 - it's hugely reliable and if you can track down a 1.9 diesel 4x4, you'll find it has genuine go-anywhere capability.

The more common 1.6 petrol is a bit thirstier though, with official economy of 42mpg and you'll struggle to match that in daily driving. The boot is also a bit on the small side. Worth looking for deals on the current SX4 S-Cross - a really good and very underrated car.

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Hi Robert,

I'm afraid it's impossible to assess such a thing from afar. You say you had everything checked, but did you actually hook the car up to a diagnostic tool to see if the engine control unit has any error codes to report? That would be the first port of call. After that, it boils down to fuel, air and, if it's petrol, spark, so you need to check all the sub-systems.

It'll only fail the NCT if the problem is having an effect on the pollutants coming out of the exhaust, by the way.

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Hi Bryan,

Go for the petrol 1.2 TSI. If most of your mileage is short hops then, even with a regular motorway run, you're not going to get the benefit from diesel. And a 1.2, driven with reasonable care, should get close to 50mpg on the motorway anyway. Plus, you'll save a good chunk of money at purchase time, which will easily outweigh any potential diesel fuel savings. 

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Hi Catriona,

Go for the petrol Golf. It's a hugely economical engine anyway, but if you're doing short hops and low mileage then there's just no point in buying a diesel. You'll never make back the extra purchase price in fuel savings and you'll run into problems with clogged diesel particulate filters, etc.

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Hi Sinead,

How about a Honda Civic? Your budget should get you into a 2007 model with the 1.4-litre V-TEC petrol engine. Frugal, reliable and spacious.

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Hi Denis,

Best to stick with a Toyota Verso (neé Corolla Verso) or a Volkswagen Touran so - both have space for seven, and big boots if you leave the rear seats folded down. Both should be endlessly reliable too. Honda's FR-V also worth a look if six seats (in two rows of three) would work for you.

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Hi Alan,

Actually, our information is that your car should have a timing chain, not a belt, which has no scheduled maintenance interval. To check this, call a service department of any Ford dealer with your registration number and they'll tell you for sure.

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Hi Philip,

You might just break 30mpg with the 2.3 if you're reasonably careful. You'll be lucky to see 20mpg in the V8...

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Hi Pamela,

Unless you actually need the seven-seat layout of the Hyundai, I'd go for the BMW. It'll be much more affordable to run in terms of fuel costs (close to 60mpg versus more like 45mpg in the Hyundai) and cheaper to tax too. The only concern might be that the Hyundai would be more reliable than the BMW, pound for pound. If you're buying the Beemer with a full service history and a warranty though there shouldn't be any problems.