There’s just one engine choice, and it signals another big change over the Mazda. While the Japanese car famously uses a high-revving naturally aspirated engine, the Fiat is turbo only, with a 1.4-litre four-cylinder producing 138bhp. Sounds modest, but the Spider’s simplicity means it barely weighs a tonne, making it as light as a typical city car. So acceleration is decent and fuel economy is good.