Home > News > Fleet Management > 224,000 Grey Fleet (business use) vehicles could potentially be untaxed. 224,000 Grey Fleet (business use) vehicles could potentially be untaxed. January 23, 2020 Business, Fleet Management Roadside survey results for Vehicle Excise Duty evasion statistics: 2019 The DfT latest estimates indicate that 1.6% of vehicles in the active vehicle stock were unlicensed in the United Kingdom. This 1.6% corresponds to 634,000 thousand vehicles. It is estimated that there are 14 million grey fleet vehicles on Britain’s roads. Which equates to 1.6% of the UK’s grey fleet or 224,000 business vehicles could potentially be untaxed. Please click on graphic for full report