Seat’s most powerful passenger car in its history is being given its world debut at this week’s British International Motor Show at ExCeL in London. The Leon Cupra is powered by a turbocharged 240PS 2.0-litre engine, and is being shown in London ahead of a UK launch next January. The VW-owned Spanish brand is claiming its new hot hatch will go from 0-62mph in 6.4 seconds, and onto 153mph. Pricing is tipped to be set around the £20,000 mark.