Fiat 500 1.0 Mild Hybrid Top 3dr The Fiat 500 Top, registered in 2025, is a stylish car with a 1.0-litre petrol engine. This Euro 6 emission class vehicle is presented in the Top trim. Indicating that it is practically new. This particular model boasts impressive fuel economy, achieving up to 61 miles per gallon. This means fewer trips to the petrol station and more money in your pocket compared to other similar vehicles. Furthermore, with CO2 emissions of just 110 grams per kilometre, it is kinder to the environment, resulting in lower road tax.