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Hi Lee,

The Focus changed model around then, but if our information is correct, your car has a timing belt and it needs to be changed every 100,000 miles (160,000km) or every 10 years, so we'd recommend you get it done now.

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Hi David,

I'd say overall that the 2.0 petrol will be the more reliable engine, not least because it's an older, more thoroughly developed unit. But beware - horror stories of 9-5 unreliability are legion...

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Hi Paul,

Yes, and no. And a bit yes. It still depends on your lifestyle and driving habits. Lots of short journeys, mostly around town? Don't mind taking the time to plan long journeys carefully and be prepared to take breaks for charge ups?

Things are getting dramatically better though. Nissan has just updated the Leaf with a new 30kwh battery (read our review of it here) that extends its range to around 250km, which is a lot more useful, and if you're suitably loaded a Tesla Model S can go for 500km between charges.

If you're not quite ready to take the full electric car plunge, how about a plugin hybrid? Short hops under electric power with a petrol engine for longer journeys. Try the Volkswagen Golf GTE, Audi A3 e-tron, Mitsubishi Outlander PHEV or a Volvo XC90 T8.

However, if you're looking for a second hand car, your options with electric power are severely limited, as sales have been slow so far.

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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 Claire,

Well, with a bike, why not go for a compact estate instead of a hatch? Same driving experience and same running costs, but a bigger boot by far. Best of the breed is a Kia cee'd SW, which is hugely reliable and has a massive boot. With you just driving at the weekends, I'd say it's worth trying to track down a petrol model, rather than the more popular diesel.

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Hi Mary,

Your Citroen is going to be worth circa €2-3,000 so you're probably looking at a budget of around €12,500 to €13,000. That'll get you into a 2012 or 2013 Hyundai i30, depending on the dealer and the offer.

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Hi P J,

The current model Nissan Qashqai, introduced at the beginning of 2014, is a really cracking choice - well made, frugal and nice to drive. Go for the 1.5 diesel if you do big miles, or the 1.2 petrol turbo if you're mostly doing short hops around town.  As for your Octavia, I'd say you could expect to get around €5,000 as a trade in, depending on the dealer and your car's condition and history.

Finance or cash? Easy: if you can afford to pay cash, do it. You'll be able to argue yourself a decent discount up front and you won't be paying any interest. As for finance, PCP offers are tempting and very good value, but they kind of rely on you coming back in three years' time for another car. If that's not your plan, then a personal Credit Union or bank loan could actually work out better value overall. If you have a financial advisor they can give you more detailed advice than I, and check out the CompleteCar.ie Guide to Car Finance for more information.

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Hi Liam,

That's a tricky car to track down, as, at that time, the (small capacity) petrol E 200K was the more popular model. I've not been able to find a 2002 model E 200 CDI on sale at the moment, so your best bet is to try contacting nearby Mercedes-Benz dealers and see if they'll let you know if one turns up as a trade in - or start searching the UK market.

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Hi David,

There's no set warm-up time, as it depends on a number of factors, such as the ambient air temperature, how the car is being driven and which ancillaries are turned on. In general, diesel engines take longer to warm up than petrol (though the car makers are working on changing that) too.

I don't think there's anything wrong with your Mokka.

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Hi F D,

We'd recommend readers change their cars' oil and filter at least once a year regardless of mileage. Short hops are actually tougher on the engine (and its oil) as it does a lot of its driving when not fully warmed up.