Sinclair C5 major consumer organisations published sceptical evaluations. The Automobile Association questioned many of Sinclair's claims in a report published at the start of May. It found that the range of the vehicle was typically only about 10 miles (16 km) rather than the promised by Sinclair, and reported that the C5's battery ran flat after only on a cold day. The C5's running speed was more usually around than the claimed , while its running costs compared unfavourably to that of a petrol-driven Honda PX50 moped. The stability, general roadworthiness, and especially the safety of the C5 were questioned, and the
Personal transporter legislators discuss a rapidly emerging potential class of motor vehicle and its relationship to laws relating to other transport devices, including electric bicycles and mobility aids such as mobility scooters. Commonly used terms are used for these new devices include: Media: "rideable", "electric rideable", "electric personal transporter", "personal electric vehicle", "personal transporter" "portable electric vehicle" "portable personal vehicle" and "portable transporter". Legislative: "personal mobility device" (Singapore, Australia - Victoria Transport Policy Unit) "personal e-mobility device" (Underwriters Laboratory), "electrically motorized board" (California USA), "personal light electric vehicles" (European Union), "electric personal assistive mobility device" (Washington State USA), "powered transporters" (UK). Other