Is tyre sealant effective for punctures or should I buy a spare wheel?

I have just bought a new Volvo V40 which has not been supplied with a spare wheel, do you recommend sealant for a repair or buying a spare?

Is a tyre repair kit a good replacement for a spare wheel?

We have bought a Kia Picanto with a tyre inflator kit and no spare wheel. I recall you have been critical of inflator kits in the past. Do you still recommend getting a space saver spare?

Should a spare wheel be smaller than the standard wheels?

I have a Kia Niro which I am taking to France this autumn and to France and Spain next spring. I don't wish to rely on the supplied tyre repair kit so have purchased online (not from Kia) a spare steel...

SEAT Alhambra (2010 - 2020)

Proper seven-seat practicality which is more than you can say for most SUVs, practical and spacious even with all seven seats occupied, sliding rear doors are a real boon especially the electric versions.