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Hi Aiden,

No, you're not missing anything. French cars, and big French saloons in particular, always suffer staggering depreciation and the 407 is not a car that's especially loved by the used trade. 

There's nothing much mechanically wrong with them but make sure you check that all of the electrical bits and pieces are working, and check the cabin for loose or ill-fitting pieces of trim. Then check the suspension, especially at the front, for any damage. Listen for clonking or knocking noises and check the tyres for signs of uneven wear.

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Hi Ben,

OK, first off, if it's a second car for short journeys and low mileages, go and track down a petrol model. That shouldn't be too hard if you're looking pre-2008, and it will save you from getting diesel particulate filter problems later.

Of the three, the Tuscon would probably be the most painless to own - it has a great reliability record and the 2.0-litre petrol version is decently frugal. Worth looking at a Kia Sportage of the same vintage too - it's mechanically identical and, to our eyes, slightly better looking.

I'd avoid the RAV4. That generation of RAV was very short on refinement and they tend to need clutch and flywheel replacements as the miles build up. Not a patch on the current, much more sophisticated RAV4.

The X-Trail is well worth a look too. You might struggle to track down the rare 2.0-litre petrol version, but it's worth doing so - it's more reliable than the diesel version and, as long as you go for the second-generation X-Trail, introduced in 2007, you're getting a massively spacious car that's surprisingly good to drive. Be picky though - it has to be that second-gen model, as the first X-Trail was a bit underwhelming. If you can't find a nice one, revert to the Tucson or Sportage.

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Hi Syd,

It's a split decision I'm afraid - the Scenic is going to be much comfier and more refined, but the Opel will be the more reliable one. You'll have to make your own call based on what you prioritise most.

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Hi Brendan,

X5. Yes, it's bigger, heavier and (on paper) thirstier than the Lexus, but it's also far nicer to drive, more spacious and actually, in the real world, probably a little more frugal than the RX 450h. The Lexus' only advantages are lower motor tax and the fact that it will be more reliable long-term than the BMW, but if you buy the Beemer with a  full service history and look after it properly, you shouldn't have any major problems.

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Hi Matt,

We asked Ford for an official adjudication on this, and here is the response:

"Each vehicle/wheel has a specific offset and wheel width regardless of tyre size. The 7.5J x 18 referenced for the Kuga wheel means that that wheel is 7.5 inches in width and the S-MAX referenced is running 7J x 17 meaning the wheels originally fitted were seven inches in width. Therefore, the answer from Ford is no - we would only recommend like for like replacements."

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Hi Ruairi,

With that kind of mileage you would probably be fractionally better off with a petrol, but the thing is that you're unlikely to find one - petrol sales collapsed in the wake of the 2008 change in the car tax regime, so it's very likely that all you'll find out there are diesels. 

Which is no harm - the 308 was always nicer to drive with the 1.6 diesel than with a petrol (unless you can track down a vanishingly rare 150hp 1.6-litre petrol turbo). You just need to watch for a few key items. Make sure the diesel particulate filter has been kept clean, and make sure you give the car at least one good long drive at motorway speeds every week to keep it that way. Check that the cooling system is working properly and that the (plastic) water pump is in good nick. Check the gearbox too - the five-speed manual can sometimes get jammed in neutral.

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Hi Patricia,

Well, it depends what the problem is. If it's that you're having trouble booking a testing date, welcome to the club. Waiting times have gone up a lot lately, but if you can't get a slot within 28 days, you are actually entitled to a free test.

If the problem is one of a complaint or something like that, don't bother talking to the NCT people directly - the NCT is run by a Swiss-based company called Applus and you're unlikely to get very far, very fast talking to them. Instead go over their heads - the Road Safety Authority has oversight of the whole NCT process, so if you have a problem, contact them here http://rsa.ie/en/Utility/Contact-Us/Who-do-I-contact-about/

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Hi Elaine,

We'd suggest you up your tyre pressures all round by 2psi if you're going to be carrying that many more people, but as we don't know what type of car you have it's best to follow the manufacturer advice. There's usually a diagram showing the correct ratings either inside the fuel filler flap or on one of the front door frames - visible with the door open only.

It's not unusual for tyre fitters to recommend putting a higher pressure in your spare, but really we'd say that's too high. Stick to 40psi if it's a spare that's not easily accessible and checked often, as it will likely lose pressure over time. If, however, it's easy to get at, keep it at the right pressure and check it monthly.

Hope that all helps

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Hi Will,

Isofix has been fitted as standard to the Berlingo and Partner since at least 2006, and was a commonly-fitted option before that.

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Hi Mary,

It depends on the year. From around €16,000 for a 2009 model up to €50-odd-k for a year-old example.