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Hi John,

Great car, the Mazda6, and lovely to drive. Two things though: you may well find that 2.0-litre petrol to be both a touch thirsty and, consequently, very hard to move on again come resale time. And at that mileage it's imperative to make sure that the car has a full service history and that major maintenance work such as timing belt replacements and oil changes have been done.

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Hi there,

Both Corolla and Mazda3 would be good choices, but it's worth having a good look for a Honda Civic too. Best to max out the reliability factor when buying on a budget...

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Hi Tony,

New or old? Frankly, they're all good. The current car is slick, massively spacious, lovely to drive and, aside from occasionally poor fuel economy, terrific ownership prospects. 

The previous generation is all of that with slightly less slick styling inside and out. Make sure you go for the later, post-facelift model that uses Mazda's own 129- or 180hp 2.2 diesel engine.

Finally the original - made from 2002 - it's a landmark car. Reliable, fabulous to drive and quietly handsome. They're super-cheap now and a perfect low-budget purchase.

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Hi Michael,

I'd go for the Mazda above the Volvo every time in this case. The old S40 is much smaller and less spacious than the Mazda6 and the Japanese car is also excellent to drive. 

Mazdas are generally exceptionally reliable, but on the 2.0 diesel just watch for low oil pressure and a sticky manual gearshift. Both can be fixed but they are recurring problems. Check the air conditioning system for leaks too.

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Hi David,

I'd suggest flogging both cars and getting yourself into a newer Audi A3. They're comfy, sweet to drive, reliable and easy to sell on again eventually. Hard to go wrong with it, really. Lots to choose from so be fussy and make sure yours has a full service history and reasonably low mileage.

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Hi Brendan,

Good choices, all of those, if you're looking for a more affordable 3 Series alternative. The new-shape Mazda3 (the one that's only just been launched) seem to be especially excellent, and with Mazda's reliability you won't be spending too much on repairs or maintenance down the line. The Golf is always a safe bet too, although if you're used to the saloon shape it may be worth having a look at the little-seen Jetta - an underrated gem, that car. Or, alternatively, you could try the Audi A3 Saloon, which I reckon is the best compact sports saloon around at the moment.

See how you get on and let us know which one you go for.

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Hi Eileen,

Yes, very. Mazda updated the 2 in 2011 and made some detail improvements that boosted fuel economy while trimming CO₂ emissions. You should be able to manage better than 50mpg with a light right foot.

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Hi Vittorio,

You've got it all answered yourself there. The BMW's overall residual value will indeed be slightly better, but, long term, the Mazda should prove to be much more reliable and rugged. Both are excellent to drive. The BMW's classic rear-drive chassis is slightly the superior, but the Mazda's muscular steering feel and firmly sprung chassis makes it one of the best front-drive saloon chassis around. 

Nothing major to watch for on either - just make sure there's a fully stamped up service history and check the BMW carefully to make sure that all the electrical bits work and that it's been topped up with high grade oil at each service. Both cars may have been driven hard by previous owners (many will be ex-fleet) so check carefully for thinks like uneven tyre wear or noises from underneath that indicate worn or out-askew suspension.

Let us know how you get on

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Hi Marie,

Do you mean the current one? Really nice actually – the cabin can be a bit plain to look at, depending on how you spec it, but it’s lovely to drive, very well made, has a sweet little 1.5 diesel engine and should be hugely reliable. Here are our reviews:

Mazda3 1,5 diesel review

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Hi Nick,

Of the two, it's the Mazda we'd go for. Yes, you could argue that the Kia is more stylish, has a far better warranty and is more of a bargain, and that's all true. 

But the Mazda is still an exceptionally well-made and reliable car, and that 2.2 diesel is truly a star; smooth, gutsy and with an amazing Band A4 tax rating. Plus, the CX-5 is also brilliant to drive with steering and chassis responses that the Kia, although hardly bad, just can't keep pace with.