MINI ONE - CALLING ALL OWNERS

CALLING ALL MINI OWNERS ....
PLEASE CAN YOU HELP ME WITH THIS
I AM THINKIN GOF GETTING A MINI ONE 03 REG AND I DO A LOT OF MILEAGE AT THE MOMENT DUE TO WORK APPROX 450 A WEEK THIS CAR HAS LOW MILEAGE BUT IM NOT SURE HOW VULNERABLE I WOULD FEEL ON A MOTORWAY ALL THE TIME IN A SMALL CAR, I HAVE A CLIO AT THE MOMENT WHICH ISNT THAT MUCH BIGGER BUT I HAVE NOTICED ON THE MINI THAT THE REAR VISIBILITY FOR OVERTAKING ETC AND MOTOWAY DRIVING ISNT VERY GOOD
ANY ADVICE WOULD BE GREATELY APPRECIATED

MANY THANKS