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Hi Jason,

Perhaps predictably, the DS5 has been a slow seller for Citroen, primarily because as soon as you put the words 'French' and 'premium' into the same sentence, most buyers tend to look for the exit. We are very, very wedded to our German premium cars in this country. 

The DS5 isn't a bad car at all, but to be honest, neither is it a very good one. It looks absolutely stunning, inside and out and as a piece of automotive sculpture, it's hard to beat. It comes with some excellent diesel engines too and generally its build quality and reliability seems to be up with the best.

The problem comes when you actually drive it and realise that it has steel girders for suspension. It rides terribly, clonking and clattering over bumps in a way that should be utterly alien to any French luxury car. A BMW 5 Series on 20-inch wheels rides better than this... Then there's the problem that the cabin is actually quite cramped, even in the front. It's a car we want to love, but there are just too many fundamental issues with it for us to do so.

Read our full road test of the Citroen DS5 here

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Hi Tanya,

Actually, both cars have exactly the same engine - BMW's long-serving 3.0-litre straight-six diesel. The first generation X5 is little short of excellent, with terrific handling and a gorgeous, comfortable cabin. Reliability isn't the best though. The engines have occasional problems with fuel injectors and developing cracks in the inlet manifold, while steering and suspension are also prone to damage and wear. X5s are also notorious for chewing through tyres at a ferocious rate. The engine's air mass sensor can also fail, leading to poor acceleration although you'll spot that easily enough on a test drive.

Basically, it's worth getting any potential purchase checked over by the AA for any faults, and just ignore anything that doesn't come with a full service history. Oh, and it's better to go for the 2004 one - that should have the newer six-speed automatic gearbox (ignore manuals - they'll be worth much less come trade-in time) that improves fuel economy to just over 30mpg.

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Hi Gerard,

OK, it's basic consumer law at work here. Assuming your contract was made with the dealer when he was still a Citroen main dealer, then he must honour the original deal that was made. If not, you've been supplied with the car either as a mistake or under false pretences. It doesn't matter that he doesn't have the Citroen franchise any more - he can still order a car from them under the EU's block exemption rules. If he tries to fob you off saying that his new franchisee won't let him, don't buy it - he must still fulfil the original contract. If there's still no joy, contact Citroen Ireland directly - they're located in Airside Retail Park, Swords, Co. Dublin and explain your situation.

Do let us know how you get on.

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Hi Frank,

The registration you provided is for a 2011 Mercedes-Benz ML 300 CDI BlueEfficiency with an automatic gearbox. That falls into the emissions band 191- to 225g/km, which costs €1,200 per annum to tax.

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Hi Joe,

The last-generation S60 got a bit unfairly hit by various Irish tax regimes (it never had an engine under 2.0 litres for instance), but it's actually a cracking car - well built and superbly comfy, as Volvos tend to be. Keep an eye out for minor electronic glitches (the cruise control and electric windows seem to be vulnerable points) and if the engine is 'lumpy' when you're switching it off, you're looking at injector issues - expensive ones.

In terms of day-to-day running costs, it should do 44mpg with a manual gearbox (a little less with the optional automatic) and emissions of 175g/km mean you can tax it for €750 a year. That's pricey, but better than buying a pre-2008 model (2008-2009 was the last full year of production) when the engine capacity would land you with a €1,034 tax bill. One running cost to keep an eye on is front tyres. The S60 is quite nose-heavy and has a massive turning circle, things that tend to banjax the front boots. Check any potential purchase for worn rubber and budget for at least a new set every year.

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Hi Tony,

It's the electrical systems that are the E-Class's Achilles' heel. Mercedes had so many problems with the 2002-2009 model that it actually had to replace entire interiors and indeed entire cars for some irate customers. So, check everything very, very carefully and if even one little switch isn't working, walk away. If the car has had remedial work done by Mercedes, ask to see the paperwork to see exactly what was done. Check too that the automatic gearbox selects gears quickly and easily. 

The battery is prone to running flat too, if the car is left standing for a few days, and the computer that controls the brakes can go haywire too. Also check the paintwork for poor finish or flaking.

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Hi Rosemary,

According to the official figure, you should be getting 33mpg. Bear in mind though that this is almost a ten-year old car, so its performance in terms of fuel economy may have tailed off. Nothing a good service and oil change wouldn't fix though, along with some decent new tyres.

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Hi Martin,

We asked Audi Ireland about this one. Here's the answer:

"The standard screen for the MMI system is automatically retractable. It electrically pops up upon engine start and reclines upon engine cut.

It only operates for satnav if that is fitted to the car. If the screen does not automatically retract then the Audi owner should get his car checked by an authorised Audi service centre.

There is a button that you can click to retract the screen, but this is only once the car has started. It should automatically come up next time the car starts regardless."

Sounds like you need to bring the car into Audi I'm afraid. Let us know how you get on.

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Hi Teresa,

In general it's used to describe an automatic gearbox that can also be switched into a mode where the driver takes control of the gear changes. There's no clutch operation needed. Most of the time, what is referred to as a semi automatic transmission uses the same components as a manual gearbox, but the clutch operation is done by electro hydraulic means. Some people refer to the latest generation of dual-clutch gearboxes as semi automatics too.

In summary, it's an automatic, but with extra functionality. Note that they're not usually as smooth to drive as conventional automatics.

Come back to us if you need more information.

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Hi Emmet,

It is, actually - one of the few mid-2000s Mercs you could say that about. The 200k engine is a solid old thing, although it does sound worryingly like a broken cement mixer when you accelerate hard. The complex folding roof mechanism is also pretty good, but be careful if the previous owner chose to leave the roof mostly up, as the electric motors can freeze in place if it's not exercised regularly.