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Hi David,

I'd suggest flogging both cars and getting yourself into a newer Audi A3. They're comfy, sweet to drive, reliable and easy to sell on again eventually. Hard to go wrong with it, really. Lots to choose from so be fussy and make sure yours has a full service history and reasonably low mileage.

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Hi Noel,

Nothing too serious to worry about it. That 2.0-litre TDCi diesel engine does suffer occasionally from cutting out unexpectedly, but it's usually just a software fault and the ECU can be easily updated by a dealer. Other than that keep an eye out for issues with the keyless entry and ignition system (a rarely-seen option anyway) and keep an eye on the cabin - creaky trim is common and apparently the seat bolsters can collapse even on surprisingly low mileage cars.

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Hi Jenny,

You almost certainly will find an X3 18d to be a bit underpowered compared to a X3 20d, and especially if you're trading down from a 520d. There's about 40hp and 67Nm between them, which is not to be sniffed at. There is a tax band between them too (the 18d is Band B2, the 20d is Band C), but it's not a massive gap and the 18d won't be as economical as you think simply because you have to work it harder.

Know what? I'd just think about upgrading your 520d instead. Why not get a nice 520d Touring, treat yourself to an M Sport pack and have one of the finest, nicest cars we've ever driven?

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Hi Todd,

Sadly, Australian cars and the ins and outs of Antipodean spec sheets are somewhat outside of our wheelhouse of expertise. The best advice we can offer is to go for a massive V8 preferably in a Ute body, from Holden or Ford. That should see you right, Bruce.

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Hi Thomas,

If you get €500 I'd say you'd be doing well.

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Hi Jim,

Basically, it's the same as buying an ex-rental. The good news is that all the scheduled servicing and maintenance should have been carried out in full and on time, but the bad news is that you just don't know who's been driving it previously and what kind of driving they've been doing. Generally speaking, someone being given a loan car by their insurer will probably just have had a shunt and will likely be in a careful mood, but you just never know. Check everything very carefully, from the cabin for unexpected wear and tear to the suspension for alignment issues or other damage. This could be a good one to break out the AA inspection on, just to be on the safe side.

Let us know how you get on

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Hi Brendan,

Good choices, all of those, if you're looking for a more affordable 3 Series alternative. The new-shape Mazda3 (the one that's only just been launched) seem to be especially excellent, and with Mazda's reliability you won't be spending too much on repairs or maintenance down the line. The Golf is always a safe bet too, although if you're used to the saloon shape it may be worth having a look at the little-seen Jetta - an underrated gem, that car. Or, alternatively, you could try the Audi A3 Saloon, which I reckon is the best compact sports saloon around at the moment.

See how you get on and let us know which one you go for.

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Hi Ashasan,

I'm presuming you mean the 407 Solaire. They're better made than you might think. There are some issues with the 1.6 HDi engine though, including a sticking exhaust gas recirculation valve, sticky throttles and faulty injectors. Blown turbos have been known as well, but they're rarer. Cabins are better made than the French car norm, so if it's a bag of rattles, suspect that it's been in an impact. Many 407s will be ex-fleet cars, which is a good thing - it means that they will have been serviced on the button for the first few years.

Hope that helps

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Hi Colm,

It doesn’t really stand for anything, it’s just a trim level. In the dim and distant past, SE stood for Special Equipment, but from an Audi perspective it generally means the most affordable model in the range.

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Hi Alan,

Electric Ireland charges a standard 19.28 cent per kWh as of Jan 20th 2014, according to moneyguideireland.ie. Other suppliers charge more or less the same although there can be a variation of up to 3c per kWh. 

In terms of what is charged to charge an electric car, the energy companies make no distinction. The plug points are downstream of your electricity meter so it's counted as the same juice that goes into your fridge, dishwasher or vacuum cleaner.

The total amount of tax charged on your kWh amounts to about 11 per cent, including both VAT and Carbon Tax, according to Sustainable Energy Ireland. 

So, why is this so much lower in tax terms than the 50-odd per cent levied by various charges on pump fuel? Simple: expediency. On the one hand, the Government must be seen to be encouraging the use and development of electric motoring. On the other, there is currently no simple and reliable way to distinguish between electricity being pumped into your car's batteries and what's being used to light, heat and wash.

That said, you can sadly and safely expect that to change, rapidly, if electric car sales ever take off in a big way. The Government has been very careful and canny about making sure that improving vehicle economy hasn't eroded it's annual €1 billion+ tax take from petrol and diesel sales, so if battery cars start eating significantly into that, expect some form of battery levy or electron tax to be enabled tout suite.