Expert answer

Hi Mark,

The more recent versions of the Renault Grand Scenic are at least reasonably reliable, and the commonly-seen 1.5-litre diesel engine is a sold enough old lump, and well proven in various Nissans and Renaults. The recurring nightmare is that of electrical problems. Renaults, older ones at any rate, just seem to eat through their cabling and wiring and everything from electric windows to engine management and injection problems can crop up. Buy very, very carefully if you're looking at  anything older than 2008.

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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!

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Hi Mattie,

That really could be a number of different things. It's most likely excess air getting in somehow, but it could also be the crankshaft sensor. Best thing to do is to bring it to a mechanic that can interrogate the car's computer via a diagnostic tool. That should reveal any error codes that will speed up fixing the car.

Let us know how you get on.

air getting in, crank sensor?

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Hi Sinead,

Okay, so you want to stick with Citroen, need three across the back and an engine under 1.6 litres. That's a tricky combination, but why not try a C3 Picasso? That's a crackingly good small MPV and it comes with Citroen's super economical 1.6 diesel. Or, with a bit of searching, you may be able to track down a 1.4 petrol version. 

As for the back seat, I've personally managed to get three child seats in, but it can be a bit of a squeeze. Depending on the age of your granddaughters though I may have a solution. Have a look online for a company called Bubble Bum. They make inflatable booster seats that both store flat when you don't need them and which are usually a little narrower than the bigger boosters. That could save you a crucial bit of space.

Let us know how you get on

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Hi Ash,

It very much depends on your price bracket and what your requirements are in terms of size. If you want something small, cheap and fun to drive, why not try either a Nissan Juke or MINI Countryman? Need something with a bit more space and practicality? Nissan Qashqai then, or better yet, a Skoda Yeti. Want to get something with a lot more size and some proper 4x4 ability? Go for a Honda CR-V, a Hyundai Santa Fe (you can get those with seven seats by the way) or, a Nissan again, this time the under-appreciated X-Trail. Want something seriously big and impressive? Well, a Range Rover Sport is always a good buy but be sure to put aside plenty to cover the running costs. A Toyota Land Cruiser is rather less exciting to drive or to look at but its reliability is little short of legendary. Or, if you want something really cheap and old that can pack some abuse and come back for more, try either a Suzuki Grand Vitara (smallish) or a Mitsubishi Pajero (big). Both are reliable, both can off-road properly and both can be tracked down at bargain prices, as long as you buy according to condition, not age or mileage.

Come back to us if you need more help

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Hi Tom,

The Citroen will be cheaper to run (it has a 1.6 diesel engine compared to the S-Max's 2.0-litre unit), but if you can afford the slightly higher tax and fuel bills, I'd go for the Ford. It's better built, more spacious and much nicer to drive.

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Hi John,

I'm afraid without knowing the year of your S40 it's impossible to give you an idea of the value but I would suggest trading it in rather than trying to sell it yourself - it saves an awful lot of hassle and heartache. As for what to get, try either a Skoda Yeti or a Nissan Qashqai. Both are as reliable as they come, comfy and with a higher (but not too high) seating position. And both are spacious enough that when those reared kids start dropping off the grandkids for a weekend, you'll have room in the back...

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Hi Susan,

Wow, you're a glutton for punishment aren't you? You pretty much couldn't have picked two less reliable cars. The Discovery is best avoided. If you could afford to trade up to a third-generation model I'd say that's worth a go, as Land Rover was starting to get on top of its quality issues by then, but the old Series II is just bad news. Gearboxes go, electrics go and even the suspension can fail. I know what you mean about falling in love - it's happened to me too with old Land Rovers, but you're looking at a very high-maintenance partner there.

The Espace is a little better, but not by much. The diesel engines are very fragile - check for smoke, check for oil levels and if there are any signs of overheating, run don't walk away. Check anything with an electrical wire coming out the back of it too as it can all go wrong, although the electronic parking brake and electric windows are especially prone to wrongness. Also, keep an eye on the tyres. Espaces go through them like butter and 20,000km is about as much as you'll get out of a set.

If you really want a seven-seater that works properly, can I suggest either a Mitsubishi Pajero or Toyota Land Cruiser? Not as cool as the Discovery, but they won't let you down.

Expert answer

Hi James,

At that low mileage it should be fine. Electrical gremlins are what strike the Scenic, especially the electric windows, but also watch for problems with the cruise control, alarm, electric parking brake and even the indicators. The good news is that the engines are pretty robust and either the 1.5 or more powerful 1.9 dCi diesel engines are good choices. 

Oh, do watch for bits of the cabin coming off in your hand too...

Expert answer

Hi Paula,

Yup, you're onto a winner there. A lot of motoring writers get a bit sniffy about the Nissan Micra, but actually it's a car with which there is very little wrong. That third generation model that you're talking about is actually probably the best one of all, with a nice, comfy, spacious interior, a peppy little 1.2-litre engine and a chassis that's actually more entertaining to drive than you would think. Of course, the automatic gearbox will sap a little bit of power, but as long as you're not entering any traffic light Grands Prix, you'll be fine. Reliability simply shouldn't be an issue as the Micra has always been conspicuously well built. Just check carefully to make sure it's been serviced regularly and that the oil for the automatic gearbox has been changed regularly too.

Let us know how you get on