Drivers are struggling to get in and out of parked cars because of the increasing size of their vehicles, according to a new study in the UK. Many manufacturers have increased the width of vehicles despite the size of most UK car park spaces being based on guidelines dating back to the 1970s, research by Churchill Motor Insurance found. Analysis of 10 popular family car models revealed their average width has increased from 168cm when they were first launched to 180cm. Guidelines issued by the British Parking Association recommend that spaces are 240cm wide, meaning there is typically just 30c…