Vehicle Data Hub

Most fuel-efficient cars of 2021

Ranked by EPA combined fuel economy, the most fuel-efficient 2021 car is the Toyota Mirai at 74 MPG (76 city / 71 highway). Each model appears once, using its most efficient version. Electric vehicles are excluded because MPGe is not directly comparable.

  1. 2021 Toyota Mirai76 city / 71 hwy74 MPG
  2. 2021 Honda Clarity68 city / 67 hwy68 MPG
  3. 2021 Hyundai Ioniq58 city / 60 hwy59 MPG
  4. 2021 Toyota Prius58 city / 53 hwy56 MPG
  5. 2021 Hyundai Elantra Hybrid53 city / 56 hwy54 MPG
  6. 2021 Toyota Prius Prime55 city / 53 hwy54 MPG
  7. 2021 Honda Insight55 city / 49 hwy52 MPG
  8. 2021 Hyundai Ioniq Plug-IN Hybrid52 city / 51 hwy52 MPG
  9. 2021 Hyundai Sonata Hybrid50 city / 54 hwy52 MPG
  10. 2021 Toyota Camry Hybrid51 city / 53 hwy52 MPG

Other years