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Hi Neil,

It's on the digital instrument display on the bottom corner. Take a look at this image of the Citroen C4's dashboard and you'll see it.

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Hi Doteen,

A car's history and how well it has been serviced is important no matter what fuel type it is. The added complication with modern diesels is that their DPFs – and other components - can clog up if they're only used for short trips. I don't believe where you buy the car has any bearing on that. It's all about how the car was used.

Make sure all the warning lights are working and going off when the car is running, insist on a detailed and complete service history and take the car for a decent test drive (again, regardless of the fuel).

A diesel car will be far more economical than a petrol one when it comes to towing and for the most part will be better suited to the job in terms of low-down pulling power (torque).

Nonetheless, if you'd prefer a petrol car, that's entirely doable. Just don't go for a small-engined, lightweight car and expect it to do a good job. Cars such as the Ford Mondeo, Skoda Octavia, VW Passat and others all came with powerful turbocharged petrol engines, though they're much rarer and hence harder to find than the diesel equivalents.

Hopefully that has given you some food for thought but come back to us with more information on the weight of the caravan you're buying and your budget for the car and we can help further if you need it.

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Hi Bart,

Revenue itself states that the information on its website is for guidance only, so you have no comeback with it. Saying all that, if it gives an OMSP (Open Market Selling Price) for the same car on there, then that is likely to be quite a good guide. 

For cars coming from Japan, however, they will ask for proof of the CO₂ and NOx emissions, so that's the tricky part. Make sure you get that documentation from the seller before proceeding.

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Hi Cyril,

Officially, the C10 REEV emits only 2g/km of CO₂.

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Hi Elaine,

The BMW X3 diesel is what's called a "mild hybrid", so it can't be plugged in. The plug-in hybrid only makes sense if you can plug it in at home to charge up the battery at every available opportunity. If you don't do that then it's essentially the same as fuelling a heavy petrol-only model.

In general, a diesel car is more efficient than a plug-in hybrid when it comes to long journeys and it sounds like that's what may suit your needs better.

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Hi Mark,

You're absolutely right, and it's something we're trying to do these days as the liquid-fuel consumption figure only tells half the story.

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Hi Barry,

Assuming you might like to use the rear seats, the BYD is the least spacious option of the three as its boot is much smaller. It holds up to 425 litres with its rear seat in place, while the Santa Fe PHEV manages 621 litres in five-seat mode (it's a seven-seater in which you can easily fold down the third row of seats).

The Kodiaq PHEV (assuming you're only looking at the plug-in-hybrid versions of each car mentioned) is a strict five-seater, but it comes with the largest space behind at 725 litres. If can be had in seven-seat guise with a simple petrol or diesel engine if you need the flexibility of the interior.

One major extra bonus of the Santa Fe is that its tailgate reveals the widest opening of the three, though really, the Skoda is likely to fit the bill as well. Their load sill heights are about the same distance from the ground at in and around 760mm.

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Hi John,

I'm afraid not. Skoda Ireland confirmed as much to us. Demand is low and the VRT would make it prohibitively expensive. 

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Hi Evelyn,

I drive a petrol-powered Mazda3 hatchback.

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Hi Brendan,

We can't answer that definitively, unfortunately, as there is no official word on it. The Karoq is certainly ageing and due replacement, but we agree there's plenty of demand still for a Skoda model in this space that is not only available with electric power. 

Watch this space I guess...