Samuel Ball wants an economical replacement for his ageing Volvo S60 automatic. He has around £12,000 to spend.

After making a fortune from Polly Pocket and a doll's house shaped like a teapot, the entrepreneur has turned his creativity to a transporter truck for the developing world.

Seb Horncastle is selling his Mercedes S-Class and wants something that is easier to get into as he claims to be getting old. He has £15,000 to £25,000 to spend.

Max Hateley wants to sell his first car, a Corsa, to help finance his second. With £5,000 to spend, including his car as part-exchange, he's looking for a small, sporty diesel.

Tony Simmonds has a couple of BMW Tourings, which haven't been brilliant in the snow. He thinks the latest Fiat Panda 4x4 is too expensive at £15,000.

Robert Howes is looking to change his Audi A4 diesel and is looking for something similar from the same manufacturer. He would be happy with a two-year-old model.

In the market for a new runaround? From red-blooded track beasts to the greenest city cars on the road, David Wilkins test drives this year’s top motors

On Two Wheels: After an accident, your phone could be a lifesaver, even when you're too injured to use it

These vintage, luxury models from a bygone era remain highly sought-after

From superminis and electrics through to high-end powerhouses - the latest drives offer innovation and good looks in spades. David Williams praises this year's line-up of new vehicles

Jamie Merrill visits Oxford for a ride with a difference.

Brian Liden needs to tow his 1,600kg caravan and wants a combination of lively performance with decent fuel economy. He has £15,000 to spend.

Thomas Peters needs to replace his VW V6 4-motion estate, which is no longer made. He needs a high-performance, ultra-reliable, four-wheel-drive car and money is no object.

It sounds like a boy racer's worst nightmare but from speed-limiting keys to automatic braking, a host of new safety technologies are set to make our roads safer, slower and more predictable. The latest figures show that 883 driver and their passengers, 453 pedestrians and 107 cyclists died on Britain's roads in 2011 as a result of road-traffic accidents.

Brian Gill needs to buy a car for his daughter Monica, which must be cheap to insure and run, as he wants to use it, too. He has around £5,000 to spend.