Most Fuel-Efficient Cars in 2026
402 on record. Ranked by combined MPG; every figure comes from US EPA fueleconomy.gov, with the page it was read from on each entry.
402ranked
2 on this page
#401 2026 Ford Mustang GTD 2026 · Rear-Wheel Drive · 5.2 L 8-cyl supercharged Combined MPG12Annual fuel cost$6,850 
#402 2025 Bugatti Mistral 2025 · All-Wheel Drive · 8.0 L 16-cyl turbo Combined MPG9Annual fuel cost$9,150 Photo credits (2)
2026 Ford Mustang GTD: Rennett Stowe from USA, CC BY 2.0 · 2025 Bugatti Mistral: Calreyn88, CC BY-SA 4.0. Photos from Wikimedia Commons; CarCody links each to its file page.