The UK second hand market has gone berserk

No, it wouldn’t. It would emit less CO₂ in its time with you than a petrol equivalent. Although I’d be suspicious of all the gubbins (or, indeed, gibbons — thanks, Autocorrect) in a Euro6 diesel. Humph seems to have got on all right with his — until, of course, he didn’t.

I’ve had no problems with my two DPF diesels. I caught the BMW one doing a regen one evening as I got home. No indication inside but the blast of hot air as I opened the door was unmistakable. That car did about 200 miles a week, mostly M4. The lower-mileage CLS must have done some regens but I’ve never noticed.

Yes. Only you have an EV for cities, which is also how a Euro5 diesel has remained suitable for me till now. But of course, using what we have is a different matter from deciding to take one on now, especially since the youngest Euro5s are now nearly ten years old.

Yes, agreed on the last point. Although the silver E220 did have a blackish stain on the bumper above the exhausts by the time it left us at 93,000.

(Just checked and it’s still out there in the 130s. It’s done more miles since I sold it than I have in the car that replaced it. (Although strictly that was the i3 🤓)

No idea why details would be withheld. Previous cars of mine which have been scrapped still show the details up to that point, my existing car still shows history up until I exported it...odd.

Looks like my old S60 was sold at the end of March then taxed for a full year beginning of April. Last MOT threw up some minor maintenance issues, will be interesting to see what happens at the MOT this year when it will be 20 years old with 300,000+ miles.

I suppose a Superb petrol will still have more than half a tank if it has a 15 gallon tank Vs the 11 or so gallon tank your Civic probably has. My Focus could possibly manage a 400 mile round trip, you'd be on fumes at the end. Best I've managed on a single tank of fuel in it has been 36.7mpg, it has a 52litre tank. 27mpg is more normal.

Diesel still makes a bit of sense if you’re going to use the big car for long European trips.
I keep wavering, but I strongly suspect I’ll just keep mine now until one of us expires.
Been out on a mud, tree and fine view seeking bike trip today and it is such a perfect platform for that activity.

I wouldn’t buy a diesel in Al’s shoes. As alluded to, half of the city councils in Europe see them as easy prey now for a clean air charge, levy, entry ticket etc.

The scientific record is a bit disjointed.

When asked for further clarification of air quality in the underground TfL are quite defensive:

tfl.gov.uk/corporate/transparency/freedom-of-information/foi-request-detail?referenceId=FOI-3040-2223

Unknowns highlighted and requesting advance notice of what is going to be looked for is not transparent. Tell us what you're looking for and we'll make sure it's not there is how it reads.