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Hi Raj,

Generally, I wouldn't think that a gearbox issue would damage an engine - it's usually the other way around, and if there were a gearbox issue, the engine management system should pick up on it and adjust things accordingly.

But... Audi gearboxes are usually pretty robust so the fact that this one has failed could be an indication that the car has been abused or not cared for properly. Fair enough, it could be a genuine 'just one of those things' failures, but it might be worth getting the car inspected by an independent engineer such as the AA to allay any fears. 

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Hi Liam,

It's in the top rate for tax so that means €2,350 I'm afraid. 

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Hi Linda,

€6k is at the bottom end of 2009 Avensis trade in values and your Toyota dealer is possibly boosting your trade in a bit (€10k is definitely top end) to keep you in the family.

I think with 15,000km annual mileage you definitely don't need a diesel - you'll really struggle to make back the extra purchase cost in fuel savings and if you're not doing lots of long journeys you could run into problems with the particulate filter. The Audi wouldn't be expensive to run at all - they're reliable and frugal, but the servicing would probably be slightly pricier than for a Toyota.

As for the Auris Hybrid, I think it sounds like it might be just about right for you, especially as most of your mileage is around town and that's where it works best. You may find it hard to get the best economy out of it on that long run to West Cork, but the rest of the time it should be about right, and super-reliable too.

An ex-demo is always a good idea as you'll get it cheap with minimal mileage, but there are fewer of them around these days.

Relevant reviews on the site:

Audi A3 Sportback 1.6 TDI review

Toyota Auris Hybrid review

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Hi Jim,

I think unless you’re going to go for a full-size SUV, such as a Land Rover Discovery, Audi Q7 or Volvo XC90, you’re going to struggle to find an SUV with three Isofix points in the back. Even the family-friendly Kia Sorento and Hyundai Santa Fe only have two outer seat Isofix mounts in the middle row. I’d suggest having a look at the Ford S-Max or Galaxy, or a SEAT Alhambra. These would seem to be the only cars that have the necessary Isofix points and the boot volume you’re looking for. 

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Hi Sean,

I'd say your Audi dealer is low-balling you, but perhaps not by that much. Equally, I'd say your SEAT dealer is over-bidding a little to keep you in the brand. Second hand trade in values are never an exact science because it depends as much on what other cars the dealer has on their lot already as on the actual car itself.

Your Leon is a pretty basic one, but that's not necessarily a bad thing and if it were me, I'd probably pitch you between €13,000 and €14,000 as a trade in and that's staying on the safe side. Again though, every dealer's setup and circumstances are different and therefore every trade in offer is different. 

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Hi Sonia,

It turns out that there are 2.0 TDI engines from 2011 with chains and with belts - according to our date. So we'd need either your registration or the engine code from your car to check for sure. You can send those in private using the comment section below.

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Hi David,

Yes, they are different, but it’s not a simple difference. Basically, the ‘classical’ Audi quattro system uses a centre differential, supplied by Torsen, to deliver engine torque to both the front and rear wheels. The system has been hugely updated and altered over the years, both to improve efficiency and to allow for more torque to be sent to the rear wheels (the current version can send as much as 85 per cent of the engine’s power to the back).

The Volkswagen 4Motion system (which is also used on four-wheel drive Skoda models) is a simpler and lighter Haldex system that uses a differential and a series of clutches to send power to the rear wheels. It can disable power to the rears in order to reduce mechanical losses, friction and therefore improve fuel economy. This system has become markedly more sophisticated over the years, but it’s still primarily a front-wheel drive layout that can send power to the rear, while the Audi quattro system is a classic all-wheel drive setup that is always powering all four wheels.

Now, there’s a catch. Some Audi models, mostly the A3, Q3 and A1, use a modified version of the Haldex 4Motion setup, although it’s still badged as a quattro. And there’s a new 'quattro ultra' system coming shortly, which Audi says gives the benefit of all-wheel drive, but with less drag and better fuel economy.

So basically, yes, they are different, but the overall effect – extra traction in poor conditions – is more or less the same. A really keen and sensitive driver will be able to tell the difference between the two in terms of feel and handling, but for the rest of us mortals, they’re effectively the same.

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Hi Marc,

Dealing with insurance companies is like trying to teach a Labrador the entire works of Shakespeare – you can do it, but it’s frustrating and rarely results in the outcome you were hoping for. I think in the first instance, get a letter from your Audi dealer (and make sure it’s the garage YOU want to deal with, not one your insurer is suggesting) and get a letter from them that you can show to your insurer saying that a replacement is the best option. Then prepare to spend a LOT of time on the phone and on email reiterating this to various claim adjusters and customer service bods for probably weeks on end. Eventually, you may get somewhere, but to be honest, the path of least resistance looks pretty tempting here…

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Hi Tony,

There's no major recurrent fault for the flywheel on a Q5 specifically (although dual-mass flywheels generally come in for a lot of reliability criticism across all brands), but there was a recall for Volkswagen Group 2.0 TDI diesel engines a while back to replace faulty flywheels, so it's worth checking to make sure that's been done. If it doesn't show up in the service history, get in touch with Audi Ireland customer services, as they should be able to find out if a specific vehicle has or has not had the work done. 

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Hi Dylan,

No major reported problems on the A5, although as ever with a modern, luxury German car check all the electronics very, very carefully as they can go haywire, and fixing bits can be very expensive. Basically, as long as it comes with a proper and full service history, and you check carefully around the body, wheels and suspension for any damage or anything out of alignment, you should be fine.

Assuming the brakes were overhauled at least once in the car's life already, it's possible you'll need to do the same soon, with new pads at least and probably new discs and fluid too.