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Hi Brian,

First up, 143,000 miles isn't much for the 1.8 TDCi engine so don't focus on that. This sounds like the car has gone into 'limp home' mode, which could be for a variety of reasons from a faulty sensor to a blocked diesel particulate filter (DPF). You really need the car hooked up to a diagnostic computer at a garage to get to the bottom of the problem quickly.

Let us know how you get on.

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Hi Tom,

Very few, thankfully. Watch for damp carpets as the ventilation system filters have a habit of leaking and letting water into the cabin, and check too to make sure that all of the pipes and plumbing on the diesel engine are correct - there were some problems with them in that regard. There's also a recurring issue with the airbag warning light that seems to be more related to the light than the actual airbag, but it's irritating nonetheless. 

The CO₂ emissions for the 1.4 TDCi Fusion are 120g/km so it'll cost you €200 a year to tax.

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Hi Noel,

Nothing too serious to worry about it. That 2.0-litre TDCi diesel engine does suffer occasionally from cutting out unexpectedly, but it's usually just a software fault and the ECU can be easily updated by a dealer. Other than that keep an eye out for issues with the keyless entry and ignition system (a rarely-seen option anyway) and keep an eye on the cabin - creaky trim is common and apparently the seat bolsters can collapse even on surprisingly low mileage cars.

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Hi Declan,

The recommended timing belt change is every 210,000km or every ten years, whichever is sooner.

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Hi Tirziman,

Mostly pros, few cons. Mondeos are very well made and reliable and while the 1.6 TDCi engine is no ball of fire, it is very economical. You should get well over 1,000km from a full tank. 

The only cons are down to the age of the design. Compared to the likes of the Volkswagen Passat, Hyundai i40 or Opel Insignia the cabin is starting to feel rather old-fashioned but that's about it.

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Hi Chris,

It would depend on the year and model, but the previous generation Mondeo with the 2.0 TDCi diesel engine, needed its timing belt done at 200,000km or every 10 years.

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Hi Seamus,

The rule of thumb is never buy on mere mileage, always buy on condition and history. If the car has a full service history, that's a good sign. If the garage is willing to stand over it with a warranty, that's good too, although it would be worth pushing to see if you can get a full year. Don't forget also that the 'mileage' is actually 'kilometreage' and that 100,000 is actually only 62,000 in old money.

For what it's worth, our own 2009 MINI Clubman has more than 100,000km on the clock and it still looks and feels like a new car (when I remember to clean it). Mondeos are built to a pretty high standard, and as I say, once that service book is fully stamped up and the dealer seems reputable, then you should be fine. At least you can be confident it's not been clocked...

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Hi Seamus,

A Mondeo 2.0 TDCi is, frankly, a great choice - spacious, comfy, well made and superb for that kind of long-haul journey. Just as a suggestion though, it may be worth coming down a class and having a look around, just as a way of potentially keeping your running costs as low as possible. Perhaps a Honda Civic diesel or a Skoda Octavia TDI? Both are massively spacious (so would carry your height with plenty of space behind for baby seats etc.), but would also be a little cheaper to run than the Mondeo, and almost as comfy on the long haul. Worth a thought, but if you fancy the Mondeo, go for it. Buy one with a full service history and you won't go wrong.

Let us know which way you go in the comments below.

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Hi David,

It's interesting that the 1.6 petrol Focus of that generation was generally more reliable than the 1.6 diesel version - probably something to do with the petrol engine being older, dumber and simpler. Not that the 1.6 TDCi is especially bad, it's just sensitive to having the right grade and type of oil at major services, the exhaust gas recirculation valve in the turbo can give trouble and software issues can cause slow starting and misfires.

Hope that helps

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Hi Amanda,

Yes it will - the new S-Max will have two down-sized engines compared to the current model. A development of the current 1.5 TDCi, as seen in the Fiesta and B-Max, probably developing around 115- to 120hp and a new three-cylinder petrol turbo 1.5-litre EcoBoost engine. Both of those should significantly bring down the running costs of the car, and we'd be very surprised if both don't sneak into Bands A1-A4 for tax.

Quite whether their day-to-day fuel economy will match up to their expected quoted figures is another thing; small engines in big cars tend not to do so well when it comes to real-world economy, but we look forward to finding out. The current S-Max is one of our favourite cars and the new one looks likely to pick up where the outgoing one is leaving off.