Does it matter if I have an odd tyre?

A recently purchased Fiesta has continental tyres except the near side front which is a goodyear with a similar tread pattern. Is this acceptable?

Should I be worried about how old my new tyres are?

I just purchased four new tyres today. The date on the tyres is 1623. Should I go back and ask for 2024 tyres to be put on?

What tyres will give a longer life?

I currently drive a Volvo XC60 2020 with 27,000 miles It is fitted with Pirreli P Zero tyres, they wear evenly but I only get 15000 miles out of the front tyres and the back ones are still the original...

What mid-price tyres would you recommend?

Have been using Continentals and have had a few punctures and although the tread was hardly worn the side walls have perished due to usual short journeys, so garage said they were unsafe and not worth...