10 Sporty Cars With Great Fuel Economy Published on May 26, 2023 in Top 10 by The Car Guide Photo: MINI 2023 MINI John Cooper Works 3 Door MINI is an obvious candidate to appear on this list of fuel-efficient sporty cars. In JCW trim, the lightweight MINI 3 Door packs 228 hp and needs just 8.2 L/100 km of premium gas on average.