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Hi Teresa,

In general it's used to describe an automatic gearbox that can also be switched into a mode where the driver takes control of the gear changes. There's no clutch operation needed. Most of the time, what is referred to as a semi automatic transmission uses the same components as a manual gearbox, but the clutch operation is done by electro hydraulic means. Some people refer to the latest generation of dual-clutch gearboxes as semi automatics too.

In summary, it's an automatic, but with extra functionality. Note that they're not usually as smooth to drive as conventional automatics.

Come back to us if you need more information.

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Hi Jim,

I'd say you're just on the cusp of switching from petrol to diesel, but the 1.2 turbo petrol Qashqai is an excellent car, and on paper you should be able to get good enough economy out of it to not need to pay the extra for the 1.5 dCi diesel. Maybe ask your Nissan dealer if you can take one for a 48-hour test, to see exactly how good the economy is on your usual driving routes.

Let us know how you get on

Expert answer

Hi Colm,

Taking the C 200 CDI as a baseline, the official figures are 58mpg for the manual, 55mpg for the automatic. Did you read our road test of the car?

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Hi Stephen,

Yes, as long as it's a reputable dealer. Make sure that they take care of all the re-registering, paying the Vehicle Registration Tax (VRT) and getting the car inspected by the National Car Test people. If they're trying to fob any of that off on you, walk away - it probably means that there's something dodgy in the history of the car. If you have any doubts, get a history check done by Cartell.ie - that should uncover anything untoward in the car's background.

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Hi Cahir,

Really, really good. Put it this way: when I had it on test, I actually asked Kia if I could hang on to it for a couple of extra days. Sharp steering, balanced chassis, spacious cabin (for a coupé) and really well built. 

There's a 1.4 or 1.6 diesel, but get the 1.6 as it's much better to drive, only costs around €1,000 more and there's no CO₂ emissions penalty.

Cracking car all round, really.

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Hi David,

Volkswagens tend to be very good for refinement, especially the new Golf, but if it's serious cabin silence you're looking for, check out a Lexus. True, they're pricey new but a secondhand IS or GS would be a bargain piece of interior cosiness.

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Hi Andrea,

Yes, it's a cracking idea. While the old Santa Fe isn't as sophisticated as the current one (hardly surprisingly) it's still an excellent used buy, very reliable and nice to drive. 

A figure of 100,000 miles on the clock shouldn't be a significant hurdle as long as the service history is all up to date. The basic rule of thumb is that four-wheel drive and automatic gearboxes always add to the fuel consumption. The auto box on that generation Santa Fe wasn't the greatest so I'd say stick with a manual and 4wd is down to where you live - if you regularly need rough road or slippery surface capability it's worthwhile, if you live in town then not much.

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.

Expert answer

Hi Patrick,

The Stepway gains some SUV-like styling and a 4cm higher ride height over the conventional Sandero, so it's a little bit more bouncy on rougher roads as a result, and it will roll a bit more in bends over its relation. That's a hyper critical road tester's view though, as the soft, comfort-biased suspension is fine at nornal speeds.

The SUV-look suits it, really smartens it up and makes it stand out, though the trade off for this - thanks largely to the addition of those roof bars - is an appreciable increase in wind noise at speed. That's fine unless you're doing lots of motorway miles in it.

Rear legroom isn't overly generous, while the trim and materials are all fairly uninspiring, though robust. The diesel isn't very refined, but should return excellent economy, the petrol three-cylinder engine is more willing and more refined, but less economical.

All in I rather liked it though, good honest transport.

You can read my colleague Neil's Irish road test of the Dacia Sandero Stepway here.

Expert answer

Hi Vittorio,

You've got it all answered yourself there. The BMW's overall residual value will indeed be slightly better, but, long term, the Mazda should prove to be much more reliable and rugged. Both are excellent to drive. The BMW's classic rear-drive chassis is slightly the superior, but the Mazda's muscular steering feel and firmly sprung chassis makes it one of the best front-drive saloon chassis around. 

Nothing major to watch for on either - just make sure there's a fully stamped up service history and check the BMW carefully to make sure that all the electrical bits work and that it's been topped up with high grade oil at each service. Both cars may have been driven hard by previous owners (many will be ex-fleet) so check carefully for thinks like uneven tyre wear or noises from underneath that indicate worn or out-askew suspension.

Let us know how you get on