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Hi James,

As discussed via email:

That generation Audi A6 is in general a reliable car, but not fault-free. Some owners have had no problems, while others have been plagued. The Multitronic transmission is not renowned for being the most trouble-free, though units made pre-2006 have the most problems. Also, the gearbox's fluid should be changed at 55,000 and 115,000 kilometres (or 35,000 and 75,000 miles) so the car you're looking at should have had two changes by now. Check that it has and then look in detail at how the gearbox works. Does the 'PRNDS' indicator on the dash flash? Is there hesitation? Is it easy to get reverse?

No matter what turbodiesel car you look at you'll hear of turbo problems from some owners. Most of the time it's likely to be due to poor oil maintenance. So check the car's service history in terms of oil changes and that the oil level itself is right. They do use a bit of oil.

While you're checking out the car in detail, make sure the air conditioning can produce freezing air in just a few minutes, as these have been known to fail.

I'm probably making this sound worse than it is! I'd buy an A6 for myself - it's a good car - you just need to know what you're looking for and not get caught out by one of the few badly maintained examples out there.

Let us know how you get on.

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Hi Neil,

The seller will have to request a letter from the bank confirming all of the above, but I don't know if they'll provide one any quicker. Still worth a try.

I certainly wouldn't advocate taking a risk on it and just believing the seller.

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Hi Daniel,

As that car is pre-2008 it is taxed according to its engine size. Following the Budget announcement (December 5, 2012), the cost of taxing that car for a year has risen from €962 to €1,034.

Hope that helps,

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Hi Tom,

Expert answer

Hi Breda,

We've deleted the registration number from your original question, but please note that we can't do the full history check for you. Go to Cartell.ie for that. Neither can we tell whether a specific car is in good condition etc. without seeing it for ourselves.

However, we can tell you that the Cordoba is generally a solid car, based as it is on the Volkswagen Polo. Make sure you take a good test drive in it and listen out for any unusual sounds. As with all used cars, take the time to try every switch to make sure it all works as well.

Hope that helps, and let us know how you get on.

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Hi Andrew,

You're in an enviable position. I'm going to go on the assumption that four-wheel drive is a must-have (though a rear-wheel drive car on winter tyres is as good as a 4x4 without in terms of stopping and changing direction as well as traction...) and given your comment on fuel we'll say it has to be diesel too. Don't worry, there's still fun to be had.

The 3.0 TDI V6 engine found in certain Audi A6s and A8s is a gem and partnered with quattro four-wheel drive seems made for you. The equivalent rear-wheel drive BMWs are a little more engaging, and the 330d/530d's engine is also fantastic, though we suspect you want four-wheel drive. Try a 535d out for size and you might change your mind and invest in winter tyres instead!

As much as we admire the X5 and Touareg, and they're good value on the used market at the minute, we can't help but feel they'll be just as difficult to sell on in a few years.

Another excellent alternative to the (quite common) Audi A6 is the allroad quattro version, based on the A6 Avant. Seems to tick all the boxes.

Let us know if we're on the right track here.

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Hi Ciaran,

There may be something sinister to it — trying to stop people running background checks on the car, for instance, but in most cases it’s simply down to people being slightly cagey about putting reg numbers up online, or in some cases it’s just down to dealers wanting to have branded numberplate on the cars they’re advertising. 

Expert answer

Hi Jim,

There's no doubt that the Range Rover Sport (like all big SUVs) are harder on their tyres and brakes than an average car. Parts aren't cheap either and fuel consumption, even on the diesel models, is relatively high - though again, normal for the class.

Early examples were the subject of three recalls concerning brakes, the transmission and rear seat belt buckle, but once the car you're looking at has had those things recitified there shouldn't be an issue. The Range Rover Sport has a below average reputation for reliability, but we know people with faultless examples as well, so perhaps some buyers have been unlucky. Issues seem to come mostly from the electrics and the suspension so check everything is in working order and best to have some form of warranty from the dealer.

If you need more detailed help please do get in touch.

Expert answer

Hi Shane,

This is a job for a really good auto electrician to find, but we do know that some Mercs have such an issue caused by a CD changer. The only way to stop it appears to be physically unplugging it from the car! Take the car to an auto electrician and tell them that and they may find a way to install a switch for it or to fix it properly...

Hope that helps

Expert answer

Hi Jerome,

This change was made in December 2011 and as you rightly point out, imported used cars registered in Dublin start at 120,000. That's for each year of manufacture, so the first important car from 1994 will start 94 D 120000 and there could also be a 01 D 120000 for instance. Each of the counties has a different starting number appropriately higher than the highest number of cars sold in that county in any year. The list doesn't appear to be available online, but we've requested it for information and will pass it on as soon as we get it.