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Most Fuel-Efficient Cars in 2026

Updated

401 on record. Ranked by combined MPG; every figure comes from US EPA fueleconomy.gov, with the page it was read from on each entry.

401ranked
  1. #226 2026 · Cadillac Gasoline CT4 V 23MPG Combined MPG $3,550Fuel / year Rear-Wheel Drive · 2.7 L 4-cyl turbo
  2. #227 2026 · Cadillac Gasoline CT4 V AWD 23MPG Combined MPG $3,550Fuel / year All-Wheel Drive · 2.7 L 4-cyl turbo
  3. #228 2026 · Mercedes-Benz Gasoline AMG CLA45 S 4matic 23MPG Combined MPG $3,550Fuel / year All-Wheel Drive · 2.0 L 4-cyl turbo
  4. #229 2027 · Audi Gasoline S5 Sport Sedan 23MPG Combined MPG $3,550Fuel / year All-Wheel Drive · 3.0 L 6-cyl turbo
  5. #230 2027 · Genesis Gasoline G70 AWD 23MPG Combined MPG $3,550Fuel / year All-Wheel Drive · 2.5 L 4-cyl turbo
  6. Genesis #231 2027 · Genesis Gasoline G80 AWD 23MPG Combined MPG $3,550Fuel / year All-Wheel Drive · 2.5 L 4-cyl turbo
  7. Mercedes-Benz #232 2027 · Mercedes-Benz Gasoline AMG CLE53 4matic Plus (coupe) 23MPG Combined MPG $3,550Fuel / year All-Wheel Drive · 3.0 L 6-cyl turbo supercharged
  8. #233 2027 · Mercedes-Benz Gasoline AMG SL43 23MPG Combined MPG $3,550Fuel / year Rear-Wheel Drive · 2.0 L 4-cyl turbo
  9. #234 2027 · Mercedes-Benz Gasoline S500 4matic 23MPG Combined MPG $3,550Fuel / year All-Wheel Drive · 3.0 L 6-cyl turbo supercharged
  10. #235 2025 · Audi Gasoline S5 22MPG Combined MPG $3,750Fuel / year All-Wheel Drive · 3.0 L 6-cyl turbo
  11. #236 2025 · Audi Gasoline S6 22MPG Combined MPG $3,750Fuel / year All-Wheel Drive · 2.9 L 6-cyl
  12. #237 2025 · Audi Gasoline S7 22MPG Combined MPG $3,750Fuel / year All-Wheel Drive · 2.9 L 6-cyl
  13. #238 2025 · Lexus Gasoline IS 300 AWD 22MPG Combined MPG $3,750Fuel / year All-Wheel Drive · 3.5 L 6-cyl
  14. #239 2025 · Lexus Gasoline LS 500 22MPG Combined MPG $3,750Fuel / year Rear-Wheel Drive · 3.4 L 6-cyl turbo
  15. #240 2025 · Lexus Gasoline RC 300 AWD 22MPG Combined MPG $3,750Fuel / year All-Wheel Drive · 3.5 L 6-cyl
  16. #241 2025 · Lexus Gasoline RC 350 AWD 22MPG Combined MPG $3,750Fuel / year All-Wheel Drive · 3.5 L 6-cyl
  17. #242 2025 · Porsche Gasoline 718 Boxster S 22MPG Combined MPG $3,750Fuel / year Rear-Wheel Drive · 2.5 L 4-cyl turbo
  18. #243 2025 · Porsche Gasoline 718 Cayman S 22MPG Combined MPG $3,750Fuel / year Rear-Wheel Drive · 2.5 L 4-cyl turbo
  19. #244 2026 · Cadillac Gasoline CT5 22MPG Combined MPG $3,750Fuel / year Rear-Wheel Drive · 3.0 L 6-cyl turbo
  20. #245 2026 · Lexus Gasoline IS 350 22MPG Combined MPG $3,750Fuel / year Rear-Wheel Drive · 3.5 L 6-cyl
  21. #246 2026 · Lexus Gasoline IS 350 AWD 22MPG Combined MPG $3,750Fuel / year All-Wheel Drive · 3.5 L 6-cyl
  22. #247 2026 · Mercedes-Benz Gasoline AMG C43 4matic 22MPG Combined MPG $3,750Fuel / year All-Wheel Drive · 2.0 L 4-cyl turbo
  23. #248 2026 · Subaru Gasoline WRX 22MPG Combined MPG $3,750Fuel / year All-Wheel Drive · 2.4 L 4-cyl turbo
  24. #249 2027 · Audi Gasoline A8 quattro 22MPG Combined MPG $3,750Fuel / year All-Wheel Drive · 3.0 L 6-cyl turbo
  25. Audi #250 2027 · Audi Gasoline RS 3 22MPG Combined MPG $3,750Fuel / year All-Wheel Drive · 2.5 L 5-cyl turbo

Figures from the EPA's fuel-economy label (fueleconomy.gov). Bars are drawn to one scale: the longest is the top combined mpg on this page.

Photo credits (22)

2026 Cadillac CT4 V: Jengtingchen, CC BY-SA 4.0 · 2026 Cadillac CT4 V AWD: Jengtingchen, CC BY-SA 4.0 · 2026 Mercedes-Benz AMG CLA45 S 4matic: Alexander-93, CC BY-SA 4.0 · 2027 Audi S5 Sport Sedan: Alexander Migl, CC BY-SA 4.0 · 2027 Genesis G70 AWD: Alexander Migl, CC BY-SA 4.0 · 2027 Mercedes-Benz AMG SL43: Alexander-93, CC BY-SA 4.0 · 2027 Mercedes-Benz S500 4matic: David Adam Kess, CC BY-SA 4.0 · 2025 Audi S5: Alexander Migl, CC BY-SA 4.0 · 2025 Audi S6: Alexander-93, CC BY-SA 4.0 · 2025 Audi S7: Charles from Port Chester, New York, CC BY 2.0 · 2025 Lexus IS 300 AWD: TTTNIS, CC0 · 2025 Lexus LS 500: HJUdall, CC0 · 2025 Lexus RC 300 AWD: Damian B Oh, CC BY-SA 4.0 · 2025 Lexus RC 350 AWD: Damian B Oh, CC BY-SA 4.0 · 2025 Porsche 718 Boxster S: Thesupermat, CC BY-SA 4.0 · 2025 Porsche 718 Cayman S: Jakub "flyz1" Maciejewski, CC BY-SA 3.0 · 2026 Cadillac CT5: Elise240SX, CC BY-SA 4.0 · 2026 Lexus IS 350: TTTNIS, CC0 · 2026 Lexus IS 350 AWD: TTTNIS, CC0 · 2026 Mercedes-Benz AMG C43 4matic: Alexander-93, CC BY-SA 4.0 · 2026 Subaru WRX: TTTNIS, CC0 · 2027 Audi A8 quattro: Alexander-93, CC BY-SA 4.0. Photos from Wikimedia Commons; CarCody links each to its file page.

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