Expert answer

Hi John,

You know what? Just avoid the lot of them. In the early 2000s Renault was going through a period of very poor build quality that wasn't really resolved until the launch of the current Mégane in 2008. Older Renaults are generally just to be avoided. Electrical problems are commonplace and frustrating, and just because they're working now doesn't mean they'll stay working. These cars are marked down in price for a reason.

Hope we were in time to stop you buying!

Expert answer

Hi Jim,

It depends on the year, as the Lexus RX 400h was sold before and after the motor taxation system change in 2008. For later models the emissions fall into tax Band F, costing €1,200 per annum. For earlier cars, because the engine size puts it into the highest category, the annual cost is €1,809.

Hope that helps

Expert answer

Hi Kellie.

Generally speaking, they should be OK. All the mechanical bits are old, proven Renault and Nissan parts, and thanks to the fact that Logans are pretty well shorn of equipment, there's not that much that can go wrong. Dacias also come with an optional five-year warranty, which should put your mind at rest.

However, it's worth pointing out that the Logan estate we tested recently had a wonky driver's door, putting some doubt over the quality of the assembly and the German TUV (the national safety and quality testing organisation) rates the Logan as having a 13 per cent fault rate. Now, that figure is only a guideline and it does encompass the old Logan (the one that was never sold here) as well, but just for comparisons, the TUV rates a Ford Fiesta at a 4.8 per cent fault rate.

In other words, they're probably fine, but try and make sure you buy one with lots of warranty left, just in case.

Expert answer

Hi Michael,

Split decision; if it's a 9-3 running the 1.9 diesel then it's actually quite nice, if a little clunky compared to more modern cars. 

If it's a 9-5 then yes, run. Terribly unreliable car.

Expert answer

Hi Rory,

Both cars use dual clutch semi-automatic gearboxes, which are pretty slick-shifting, but Volkswagen's DSG transmission just edges it for smoothness and quickness. 

On the emissions front it's rather bad news I'm afraid. If you're buying 2008 model year cars then you're looking at emissions of 189g/km for the Mondeo 2.0 TDCi Powershift and 175g/km for the Passat 2.0 TDI DSG. That means tax of €750 a year.

It gets a bit better if you can spool forward to 2010 when the Passat's emissions drop to 158g/km so that means a tax bill of €570 a year. 

Just for reference, the Mondeo 2.0 diesel auto gets an official 39mpg while the 2010 Passat with DSG gets 47mpg.

To be honest, if you can live without an automatic gearbox you would be better to go for the 1.6-litre diesel versions of either car. Both have decent performance and much better economy and emissions. For instance, a 1.6 BlueMotion Technologies Passat gets 62mpg and has emissions of just 118g/km so tax of €200 a year.

Expert answer

Hi Marion,

Yes, pretty excellent really. The A3 is nice to drive, exceptionally well built and holds its value well. That 1.2 TSI petrol engine is also excellent, as long as you're not doing mega-mileage. Just be careful that you buy one with a full service history and don't forget that you can buy a Golf, Octavia or Leon that is mechanically identical for less money.

Expert answer

Hi Ger,

To be honest, I would just avoid that generation of Rio at all costs. They're not especially reliable (engines, suspension and ventilation systems all give trouble) and the 1.3-litre petrol engine is quite underpowered, meaning you have to thrash it hard to keep up with the flow of traffic, which wrecks the fuel economy. On top of which the cabin is small, narrow and made of some staggeringly cheap and nasty plastic and they're basically awful to drive.

That generation of Rio was really the last of the truly bad Kias, before the company started to make some really good cars. Go, if you can, for a second generation Rio, made from 2006 onwards in both hatchback and saloon form. They're much more reliable, quite nice to drive and decently economical.

Hope that helps

Expert answer

Hi there,

Welcome to Ireland! I'd suggest you have a look for a Honda Civic 1.4 petrol automatic. That's probably the best balance between reliability (Civics are very reliable), economy and sticking within your budget. The higher road tax comes from the changeover to a carbon emissions based system in 2008. Prior to that cars were taxed according to their engine size, but the Civic's 1.4-litre petrol engine should keep your tax bills down to a reasonable level. Sadly, there's nothing you can do to change the NCT test - every car requires one every two years once it's more than four years old, and every year once it's more than ten years old. Again, the Honda will help here - they're really well built so less likely to develop problems that would cause you to fail an NCT test, as long as you look after it and keep it serviced.

Expert answer

Hi Sophie,

In this situation we'd advise you to get a second opinion. However, instead of going to a regular mechanic seek out an auto electrician near you - preferably one that comes recommended.

Let us know how you get on

Expert answer

Hi Helena,

I presume you mean the diesel versions of both cars? If so, according to the official figures, a Qashqai 1.5 dCi diesel will return 54.3mpg on average, while a Corolla Verso 2.2 D-4D will return 44.8mpg.

Hope that helps