Most Fuel-Efficient Compact Cars in 2026
Updated
87 on record. Ranked by combined MPG; every figure comes from US EPA fueleconomy.gov, with the page it was read from on each entry.
#51 2025 BMW M440i xDrive Gran Coupe 2025 · All-Wheel Drive · 3.0 L 4-cyl turbo Combined MPG27Annual fuel cost$3,050 
#52 2025 Volkswagen GTI 2025 · Front-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG27Annual fuel cost$2,500 
#53 2026 Mazda 3 4-Door 4WD 2026 · 4-Wheel Drive · 2.5 L 4-cyl turbo Combined MPG27Annual fuel cost$2,500 
#54 2027 BMW M235 xDrive Gran Coupe 2027 · All-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG27Annual fuel cost$3,050 #55 2027 BMW M440i xDrive Gran Coupe 2027 · All-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG27Annual fuel cost$3,050 
#56 2027 Mercedes-Benz C300 4matic 2027 · All-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG27Annual fuel cost$3,050 
#57 2025 Audi A4 S line quattro 2025 · All-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG26Annual fuel cost$3,150 5 of 5 starsNHTSA safety
#58 2026 Cadillac CT4 2026 · Rear-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG26Annual fuel cost$3,150 
#59 2025 Acura TLX FWD 2025 · Front-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG25Annual fuel cost$3,300 5 of 5 starsNHTSA safety
#60 2025 Lexus IS 300 2025 · Rear-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG25Annual fuel cost$3,300 5 of 5 starsNHTSA safety #61 2025 Volkswagen Golf R 2025 · All-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG25Annual fuel cost$3,300 #62 2026 Cadillac CT4 2026 · Rear-Wheel Drive · 2.7 L 4-cyl turbo Combined MPG25Annual fuel cost$3,300 #63 2026 Cadillac CT4 AWD 2026 · All-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG25Annual fuel cost$3,300 
#64 2026 Mercedes-Benz AMG CLA35 4matic 2026 · All-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG25Annual fuel cost$3,300 #65 2025 Acura TLX AWD A-SPEC 2025 · All-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG24Annual fuel cost$3,400 5 of 5 starsNHTSA safety
#66 2025 Audi S4 2025 · All-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG24Annual fuel cost$3,400 #67 2026 Cadillac CT4 AWD 2026 · All-Wheel Drive · 2.7 L 4-cyl turbo Combined MPG24Annual fuel cost$3,400 
#68 2027 Genesis G70 RWD 2027 · Rear-Wheel Drive · 2.5 L 4-cyl turbo Combined MPG24Annual fuel cost$3,400 #69 2026 Cadillac CT4 V 2026 · Rear-Wheel Drive · 2.7 L 4-cyl turbo Combined MPG23Annual fuel cost$3,550 #70 2026 Cadillac CT4 V AWD 2026 · All-Wheel Drive · 2.7 L 4-cyl turbo Combined MPG23Annual fuel cost$3,550 #71 2026 Mercedes-Benz AMG CLA45 S 4matic 2026 · All-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG23Annual fuel cost$3,550 #72 2027 Genesis G70 AWD 2027 · All-Wheel Drive · 2.5 L 4-cyl turbo Combined MPG23Annual fuel cost$3,550 #73 2025 Lexus IS 300 AWD 2025 · All-Wheel Drive · 3.5 L 6-cyl Combined MPG22Annual fuel cost$3,750 5 of 5 starsNHTSA safety #74 2026 Lexus IS 350 2026 · Rear-Wheel Drive · 3.5 L 6-cyl Combined MPG22Annual fuel cost$3,750 #75 2026 Lexus IS 350 AWD 2026 · All-Wheel Drive · 3.5 L 6-cyl Combined MPG22Annual fuel cost$3,750 Photo credits (25)
2025 BMW M440i xDrive Gran Coupe: FotoSleuth, CC BY 2.0 · 2025 Volkswagen GTI: Charles01, CC BY-SA 4.0 · 2026 Mazda 3 4-Door 4WD: File:Mazda3 (BP) X e-Skyactiv-X IMG 9015.jpg: Alexander Migl, CC BY-SA 4.0 · 2027 BMW M235 xDrive Gran Coupe: Alexander Migl, CC BY-SA 4.0 · 2027 BMW M440i xDrive Gran Coupe: FotoSleuth, CC BY 2.0 · 2027 Mercedes-Benz C300 4matic: Alexander-93, CC BY-SA 4.0 · 2025 Audi A4 S line quattro: Alexander-93, CC BY-SA 4.0 · 2026 Cadillac CT4: Jengtingchen, CC BY-SA 4.0 · 2025 Acura TLX FWD: MercurySable99, CC BY-SA 4.0 · 2025 Lexus IS 300: TTTNIS, CC0 · 2025 Volkswagen Golf R: Charles01, CC BY-SA 4.0 · 2026 Cadillac CT4: Jengtingchen, CC BY-SA 4.0 · 2026 Cadillac CT4 AWD: Jengtingchen, CC BY-SA 4.0 · 2026 Mercedes-Benz AMG CLA35 4matic: Alexander-93, CC BY-SA 4.0 · 2025 Acura TLX AWD A-SPEC: MercurySable99, CC BY-SA 4.0 · 2025 Audi S4: Alexander Migl, CC BY-SA 4.0 · 2026 Cadillac CT4 AWD: Jengtingchen, CC BY-SA 4.0 · 2027 Genesis G70 RWD: Alexander Migl, CC BY-SA 4.0 · 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 Genesis G70 AWD: Alexander Migl, CC BY-SA 4.0 · 2025 Lexus IS 300 AWD: TTTNIS, CC0 · 2026 Lexus IS 350: TTTNIS, CC0 · 2026 Lexus IS 350 AWD: TTTNIS, CC0. Photos from Wikimedia Commons; CarCody links each to its file page.