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Hi Luke,

That light means that something somewhere in the engine that affects the emissions has gone wrong. It really could be anything and may not be really noticeable to the driver. It's still worth having the car checked with a diagnostics reader at some stage, as it could be doing long-term damage. Also, it won't pass its NCT with that light on.

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Hi Aisling,

You won't go far wrong with the Octavia. Get the 1.6 TDI and you've got a potential 55mpg car with lots of space and terrific build quality and reliability. If you're looking for alternatives, then there's always the Volkswagen Golf (mechanically the same as the Skoda but less spacious inside) or the Ford Focus 1.6 TDCi (terrific to drive and good value but poor standard equipment and they're tight in the back).

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Hi Mossy,

All good choices, three cars that it's very difficult to separate. I guess the best thing to do is to use the classic car-buying technique - go for the one in the best condition and with the fullest history file - the more receipts, the more paperwork, the more stamps in the service book the better. Forget the mileage, always buy on condition and history.

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Hi Mary,

You can get a full run down on what we thought of the Pajero here. But the short version is: it's a bit old fashioned but we really rather like it. It's big, comfy and should be endlessly reliable. The Pajero's reputation is that you can't kill it with a stick...

On the tax side, things are a little more complex. The good news is that because the Pajero Executive's boot space qualifies it for commercial rate Vehicle Registration Tax (VRT) you can get it, fully loaded with leather, automatic and a kick-ass sound system, for a lot less than many more prestigious rivals. 

You can also claim back the VAT if you're buying it for business purposes, although your accountant is the person you should be asking about that, not me. 

The trickier thing is road tax. Theoretically you can just pay the commercial vehicle road tax on one of these but it's complicated. You have to be able to prove, if challenged, that you bought the car for strictly business purposes. That's fine if you're, say, a developer or an architect or a builder or a farmer - someone who needs to carry big loads and visit muddy construction sites a lot. But if you're, say, a software engineer then that's just not going to fly and you're going to get a massive fine for your troubles. Better to pay the full passenger car rate (€1,200 in this case) and be on the safe side.

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Hi Peter,

That us a very tough choice to have to make. Both are excellent - the Qashqai won the Association of Professional Motoring Press (APMP) Car of the Year award last year and trust me, we're a tough bunch to please. It's very good to drive, frugal and very comfy. Practical too, of course.

The Passat would probably be the better choice if you are doing lots of long motorway miles though - that 1.6 TDI engine is astonishing economical (I once did Galway-Dublin-Belfast-Glasgow-Dublin-Galway on one tank in one) and they're very comfy for long journeys. Both are about equally reliable, which means they're both pretty solid but don't accept anything that hasn't a full service history.

On the safety front, the 2014 Qashqai (that's the current shape model) got five stars on the EuroNCAP crash test, with an 88 per cent score for adult occupant protection, 83 per cent for child occupant, 69 per cent for pedestrian protection and 79 per cent for safety assist (which is a measure of how many electronic driver aids are fitted as standard).

The Passat achieved similar scores - five stars overall, 91 per cent adult occupant, 77 per cent child occupant, 54 per cent pedestrian protection, and 71 per cent safety assist.

Further reading:

2014 Nissan Qashqai 1.5 dCi review (on Irish roads)

2010-2014 Volkswagen Passat EuroNCAP safety results

2014 Nissan Qashqai EuroNCAP safety results

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Hi Roman,

The Insignia is a thoroughly good car, and one that feels especially slick and pleasant to drive. The only common problems seem to be small electrical glitches (alarm systems especially) and leaky boot seals that let rain in.

We've never experienced any suspension problems with any Insignia we've driven, nor does it seem to be an issue amongst owners. Could you elaborate on your Passat problems? Could be a useful bit of info for our database...

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Hi Conor,

Hmmm. Tough one. I'd always be tempted by the younger car, and if it's the 1.6-litre diesel Passat then there's a good chance you'll never have to refill the tank - I once did Galway-Dublin-Glasgow-Dublin-Galway-Dublin on a single tank of juice in one.

That said, the Audi would be hugely tempting and while there's really no fundamental difference between the too (you are paying extra for the badge and not much else really) there's no denying the extra feel good factor of the A6.

All things being equal then, and assuming both cars come with and equally full service history, I'd be minded to treat yourself and go for the Audi. 

Further reading:

First Irish drive of the new Volkswagen Passat

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Hi Justin,

We checked with the experts at Michelin for this one. According to them, tyres don't really have a use-by date as such, but neither should you just be blasé about them because their overall mileage is low. Tyres can be damaged or worn by a number of factors, not just how many miles you've done. After five years, Michelin suggests you should have your tyres thoroughly inspected once a year, and after ten years replace them no matter what the condition or depth of tread.

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Hi John,

The only other brand with a comparable warranty back in 2010 or 2011 would be Hyundai, which has (and had) a five-year, unlimited mileage warranty. Of the cars you've mentioned, in descending order of preference, we'd go for Octavia, Passat, Sportage and Qashqai. If it's out of warranty, you can always get an aftermarket one. 

What do you think?

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Hi Andrew,

It seems there are some niggly little issues with the current shape Astra, but none of them seem to be utterly disastrous. There have been some reports of electronic issues, particularly around the cruise control and the (optional) electronic parking brake. Those problems can also cause the brake lights to flicker annoyingly. There have been two recalls issued for the car, one for the anti-trap sensor in the electric windows and one for faulty bolts on the front passenger seat. Make sure both of those have been carried out. Finally, as with the Insignia, there seems to be an occasional issue with the rubber seals on the boot so check the boot carpet for any signs of damp or water getting in.