Experts have urged drivers to pay their car tax on time or they could risk enormous fines as the DVLA embarks on a campaign to crack down on untaxed vehicles. Recent data suggests that the amount of impounded vehicles in the UK has reached 197,000, a significant year-on-year increase of more than 7,000 vehicles. Drivers could see their vehicle clamped or impounded if it is untaxed or on a public road without a Statutory Off Road Notification (SORN). If a vehicle is not taxed, drivers could be prosecuted and slapped with a fine of up to £2,500 if they use it on the road for any reason without d…