Expert answer

Hi Alec,

First, the disclaimer: a huge number of factors will influence your average fuel consumption, including the route you take; whether your tyres are inflated correctly; if you're driving around with a boot full of golf clubs; and of course how you drive.

All that aside, a good rough estimation is to split the official combined and urban economy figures. This varies for every car but I think you should use about 6.0 litres/100km - which is 47mpg in old money.

Let me know if you want a few basic tips on how to improve your economy and how to measure your consumption precisely.

Expert answer

Hi Anthony,

With a budget of €30,000 you can afford the most expensive five-door Mazda3 officially on sale in Ireland. It's called the Z-Sport and is powered by a 2.0-litre petrol engine with 151hp. It's priced at €29,495 plus the usual 'dealer related charges'.

You wouldn't have much left for accessories though...

Mazda's site shows what's available on that front (click here to go straight to the Mazda3 section). There are loads of roof attachments, including a Thule-made bicycle rack. Unfortunately there don't appear to be prices on the site for the accessories so you'll need to contact your local dealer.

Boot space for golf clubs won't be an issue.

If you'd like recommendations for alternatives to this Mazda please let us know in the comment box below and we'll see what we can find.

Expert answer

Hi Joe,

I recently drove the Golf BlueMotion and the review will go up shortly, but what I can say is that I was really very impressed by the car for a number of reasons. Obviously this is the full BlueMotion version and that differs slightly to the 'BlueMotion Technology' model that we have seen before. 

This new car gets a full raft of eco measures. There is Stop/Start, regenerative braking, a modified radiator grille, low rolling resistance tyres and a specially tuned diesel engine. The result is emissions of 99g/km and fuel economy of 3.4 l/100km. Now, you would want to be really hyper-miling to get those figures but we got close to that on our few days with the car. The economy was really staggering. 

There is 105hp from the 1.6-litre diesel and it isn't a rocket: 0-100km/h takes 11.3 seconds. It is however, a very nice car to drive. It doesn't feel slow because it is geared well. And it is a nice place to be. For the price, it is quite well equipped. 

Obviously, price is an issue. There is no real incentive to buy this car for its emissions like there is in other markets. In some markets, such as the UK, if your car has less than 100g/km you don't pay road tax, but here everything under 120g/km is Band A and the Ford Focus 1.6 D Style will cost you about the same to run, yet is €1,545 cheaper to buy. 

To answer your original question though, if I was buying a Golf, yes this is the one I would have (aside from the GTI of course). I really liked it. 

You also have to look at the Skoda Octavia too. For €23,820 you could have an Octavia with the same engine, but with the DSG automatic transmission. Hope this helps, feel free to come back to us if you have any more questions.

Expert answer

There has been a huge move towards diesel cars here in Ireland because of the change to the road tax and VRT laws in July 2008.

Since then, as you may or may not know, road tax and VRT are calculated according to a car's CO₂ emissions and because diesel cars use less fuel than petrol ones, their emissions tend to be lower.

When your father bought the Mazda6 in 2008 it may well have been better value than the diesel model. Now, there is much less difference between the price.

Before we move away from Mazda, there is now a very good range of diesel engines in the new Mazda6 and that might make the most cost-effective swap if he was happy with the car he has because you will most likely get the best trade-in price from a Mazda dealer. However, by the sounds of things he wants a change.

Covering only 10,000km a year we previously might have said that there was no real need to buy a diesel because you would not save the extra price of the car in fuel.

This point remains true, but the difference now is that the market has changed so much to diesel that petrol cars are likely to lose their value faster and become increasingly unwanted by used car buyers, so at this size of car, we would say yes, move to diesel. Also, if you do buy new, your father will most likely benefit from lower road tax.

Without knowing a budget it is difficult to point you in the right direction but from the cars you mention I'm guessing the budget is between €25,000 - €35,000. This does offer a lot of choice.

The 2004/2005 BMW 320d is certainly an option. Since the current shape model came out in 2005, we would encourage you to look at these, or even a 2006. The prices of these are quite competitive at the moment. A 2005 320d SE at a SIMI dealer would probably cost you between €15,000 - €17,000.

BMWs are always tempting to buy used, but you must choose one that has been properly serviced and cared for, because they can become more expensive to put right as they get older. The choice of used 320d models at the moment is vast so if you do go down that route, shop around. It is a great car and with the small mileage your Dad does it is unlikely to end up costing you too much.

If you want to go down the new route, there are a few that would spring to mind. The first is the Skoda Superb. This car is really brilliant and huge too. It is well made and loaded with equipment. If your Dad likes comfort then this will be right up his street.

Our choice would be the 2.0-litre TDI Comfort for €27,805. It is excellent value for money and comes with lots of creature comforts (cruise control, climate control, etc.), a 170hp diesel that is powerful, yet still frugal at 5.8 l/100km. Road tax on this car is €302 per year. For me, if I were heading out to buy a family saloon today, I wouldn't pass the Superb.

You mentioned some other cars there. The Jetta isn't a bad car, but it's been out a few years now and is probably due an update, so I wouldn't buy that new. The Audi A4 is nice. A new one is going to cost you from €34,060 before you start looking at optional extras, so a 2009 model would make sense with all the options already added. €35,000 should get you a nice 2009 TDI version with lots of the toys thrown in.

Please feel free to come back to us with more details if you like (just add a comment below), but for me I would probably have the Superb.

Expert answer

Hi Laura, that isn't really an easy question to answer, because it really is down to personal choice. Neither of these cars is significantly better overall than the other so it depends on what you are looking for in a car. The Focus is known for having the best chassis and if you like your car to have sharp, crisp and fun handling then you will choose the Focus. The Golf is also quite good to drive, especially the latest version, and it could be perhaps regarded as having a more upmarket image.

Both cars have clean 1.6-litre diesel engines in their best-selling models, with both of these sitting in Band A, which means low road tax. Both are similarly priced too, with the Focus at the moment having perhaps a better offer in the Style five-door model.

Really the only thing we could say is that you should try the two cars for yourself and decide based on your gut feeling. Both of these cars have similar traits and have strong residual values so it'll be a good buy whichever way you go.