Is it okay to replace just one suspension spring at a time?

My 2017 Volvo V40 that has done 61,000 miles and has a broken front spring. Is this a common occurrence ? The car has an extended Volvo but when I asked about them paying for it I didn't get a direct answer....

How can I improve the ride quality of my Dacia Duster?

Is there anything I can do to make the ride on my 2021 Dacia Duster more comfortable? Can I uprate the suspension and fit different tyres?

What would make our pick-up pull to the left?

My '09 plate Toyota Hilux seems to pull slightly to the left. I've had the tracking checked twice at our local tyre shop and they tell me its fine - which means the check was free - so they're not making...

Kia Optima (2012 - 2016)

Priced from less than £20k and a cheap company car. Seven-year warranty as standard. Generous standard equipment.