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Hi Mary,

I'm afraid there is no definitiive answer to that question. Not only is every engine different, the longevity relies on other factors such as how it is driven and maintained. Honda has a great reliability record though and its engines are some of the best. Assuming it has been well maintained there's no reason it shouldn't reach 200,000 miles without an issue - and further.

Hope that helps.

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Hi Tony,

Thank you for your query. I love the Fiat Panda. It is an honest, simple car and absolutely loaded with charm - and they cost from just €7,295 under the scheme, which is really great.

The only thing I would say Tony is that time is running out for you. It is not just the issue of having a Panda in stock and getting it registered before June 30, but you also have to make sure your old car is scrapped and the paperwork is done for it before that date too! So get down to that Fiat dealership near you!

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Hi Eamonn,

I guess a lot would depend on the price, but I didn't really rate the E-Class of that generation. It was troublesome and with that engine is pretty lifeless. My call would be the Audi everytime.

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Hi Sean,

Out of the three cars here, by far the best value under scrappage is the Hyundai i30. You could have a petrol model for as little as €13,995. The diesel is €15,495, which is quite a bit more. If your annual mileage is small then you should perhaps save some money and buy the petrol model. I know everyone buys diesel cars these days but the petrol alternative will only cost you €52 more than the diesel each year to tax and if your mileage is low then you wouldn't see much of a saving on fuel in the diesel car anyway.

The Peugeot 308 is comfortable and good on fuel.

If you are planning on changing the new car quite soon, then the Focus will be worth the most money as a trade-in, but I think the Hyundai would be the best buy in this case for you.

I hope this helps.

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Hi Melanie,

If you are selling it privately, you should ask about €7,200 for it. This should be what you advertise it for. If you are trading it in against another car, then you might get offered about €6,500 against a used car and perhaps as much as €7,000 if it against a new car.

I hope this helps!

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Hi Maty,

Overall, the Nissan Qashqai is a great car and has been a huge success in Ireland. You didn't specify which diesel model you're interested in, as there's a 1.5-litre and a 2.0-litre. They're both good, though obviously the latter has more oomph and is better suited to the car if it's full of people and luggage all the time. Saying that, the 1.5-litre is no slouch so don't be put off by the engine size.

It's worth trying a petrol version too, as they're cheaper to buy and quieter around town. The diesel model is more economical, but that only pays off if you do high mileage. Saying that, over 83 per cent of the Nissan Qashqais sold in Ireland in 2009 were diesel, so there are not many petrol versions available.

Hope that all helps. If you want to know anything specific about the car come back to us.

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Hi Peter,

Diesel cars are now outselling petrol cars by 3 to 1 and of the petrol models that are selling, they are mainly small runabouts. The fact is that the majority of people are being drawn to the lowest possible road tax and in some cases, oddly, this means that they are actually spending more on the car then they really should have. There seems little sense to spend €2,000 - €3,000 more on a diesel car if you are saving €50 a year in road tax and your mileage is low, but that is the way it seems to be happening right now.

The problem with this is that buyers are missing out on on some really good petrol cars. Fiat and Volkswagen in particular have some smart new petrol engines. Take for example the Jetta, which you  mentioned: the new one is out now, but in the older model there was a 105hp 1.2-litre TSI petrol engine and most people baulked at this because they thought it would be too weedy for the car. The same is true of the 1.4-litre TSI, while both are more than capable of adequate performance. 

In terms of fuel economy, sure enough the diesel will usually trump the petrol, but this will only really start to make monetary sense when you do a lot of mileage. It you intend on high mileage, then you are probably better off sticking with the diesel car - Volkswagens are generally quite good at mega mileage, as are Skodas.

We've been getting quite a few queries about DPFs (diesel particulate filters) here in CompleteCar.ie but Mazda appears to be the only brand showing up faults. The Passat though has not been without its troubles and, to be honest, I am not sure if I would be buying a used one with a lot of kilometres on the clock if big mileage is likely.

You mentioned the Jetta, well this one we found would be a top buy. It has just 14,000 miles on the clock, the right 2.0-litre diesel engine and is within your budget. This would be a good buy.

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Hi Philip

We spoke to Toyota Ireland and they had this to say about your issue. "There's very little info to go on but the clue seems to be in the fuel used. It could possibly be a knock sensor reacting to octane rating or fuel quality causing the light to come on."

It might be an idea to stick to the best fuel possible and check with your local Toyota service agent. Come back to us if you need more help.

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Hi Liam,

If you planning on selling it privately you should ask around €6,000 as your starting point leaving you room to negotiate. As a trade-in from a garage, you are likely to be offered around €4,000 - €5,000 at best, obviously depending on what you are trading in against.

I hope this helps!

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Hi Brendan,

I think the Golf is your best bet here. The 1.2-litre petrol engine tends to freak out a lot of people because they think it will be way too small and meagre for their needs, but this just simply isn't the case. We have tried this engine in a number of body styles and have always found it to be more than capable. The Auris isn't a bad car as such, but it is simply not better than the Golf in any way so if it is a straight choice between these two, for me anyway, the Golf would win every time.