Most Fuel-Efficient Midsize Cars in 2026
Updated
105 on record. Ranked by combined MPG; every figure comes from US EPA fueleconomy.gov, with the page it was read from on each entry.
#76 2027 BMW 550e xDrive Sedan 2027 · All-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG25Combined MPGe68EPA range34 mi 
#77 2027 Mercedes-Benz E450 4matic 2027 · All-Wheel Drive · 3.0 L 6-cyl turbo supercharged Combined MPG25Annual fuel cost$3,300 
#78 2026 BMW 840i Gran Coupe 2026 · Rear-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG24Annual fuel cost$3,400 #79 2026 BMW 840i xDrive Gran Coupe 2026 · All-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG24Annual fuel cost$3,400 
#80 2026 Cadillac CT5 AWD 2026 · All-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG24Annual fuel cost$3,400 
#81 2026 Hyundai Elantra N 2026 · Front-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG24Annual fuel cost$3,400 5 of 5 starsNHTSA safety #82 2026 Mercedes-Benz AMG E53 Hybrid 4matic Plus 2026 · All-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG24Combined MPGe60EPA range44 mi 
#83 2025 Audi S5 Sportback 2025 · All-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG23Annual fuel cost$3,550 
#84 2026 Audi A6 Sedan 2026 · All-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG23Annual fuel cost$3,550 #85 2027 Audi S5 Sport Sedan 2027 · All-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG23Annual fuel cost$3,550 #86 2025 Audi S5 2025 · All-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG22Annual fuel cost$3,750 
#87 2025 Audi S6 2025 · All-Wheel Drive · 2.9 L 6-cyl Combined MPG22Annual fuel cost$3,750 
#88 2025 Audi S7 2025 · All-Wheel Drive · 2.9 L 6-cyl Combined MPG22Annual fuel cost$3,750 
#89 2025 Lexus LS 500 2025 · Rear-Wheel Drive · 3.4 L 6-cyl turbo Combined MPG22Annual fuel cost$3,750 #90 2026 Cadillac CT5 2026 · Rear-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG22Annual fuel cost$3,750 
#91 2026 Subaru WRX 2026 · All-Wheel Drive · 2.4 L 4-cyl turbo Combined MPG22Annual fuel cost$3,750 #92 2026 Cadillac CT5 AWD 2026 · All-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG21Annual fuel cost$3,900 #93 2026 Cadillac CT5 V 2026 · Rear-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG21Annual fuel cost$3,900 #94 2026 Lexus LS 500 AWD 2026 · All-Wheel Drive · 3.4 L 6-cyl turbo Combined MPG21Annual fuel cost$3,900 
#95 2025 Audi RS 5 Sportback 2025 · All-Wheel Drive · 2.9 L 6-cyl turbo Combined MPG20Annual fuel cost$4,100 #96 2026 Cadillac CT5 V AWD 2026 · All-Wheel Drive · 3.0 L 6-cyl turbo Combined MPG20Annual fuel cost$4,100 
#97 2025 Bentley Flying Spur Speed 2025 · All-Wheel Drive · 4.0 L 8-cyl turbo Combined MPG19Combined MPGe46EPA range30 mi #98 2025 BMW Alpina B8 Gran Coupe 2025 · All-Wheel Drive · 4.4 L 8-cyl turbo Combined MPG19Annual fuel cost$4,350 #99 2026 Bentley Flying Spur 2026 · All-Wheel Drive · 4.0 L 8-cyl turbo Combined MPG19Combined MPGe46EPA range30 mi #100 2026 BMW M850i xDrive Gran Coupe 2026 · All-Wheel Drive · 4.4 L 8-cyl turbo Combined MPG19Annual fuel cost$4,350 Photo credits (25)
2027 BMW 550e xDrive Sedan: M536, CC BY-SA 3.0 · 2027 Mercedes-Benz E450 4matic: Alexander Migl, CC BY-SA 4.0 · 2026 BMW 840i Gran Coupe: Dinkun Chen, CC BY-SA 4.0 · 2026 BMW 840i xDrive Gran Coupe: Dinkun Chen, CC BY-SA 4.0 · 2026 Cadillac CT5 AWD: Elise240SX, CC BY-SA 4.0 · 2026 Hyundai Elantra N: OWS Photography, CC BY 4.0 · 2026 Mercedes-Benz AMG E53 Hybrid 4matic Plus: Alexander Migl, CC BY-SA 4.0 · 2025 Audi S5 Sportback: Alexander Migl, CC BY-SA 4.0 · 2026 Audi A6 Sedan: Alexander-93, CC BY-SA 4.0 · 2027 Audi S5 Sport Sedan: Alexander Migl, 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 LS 500: HJUdall, CC0 · 2026 Cadillac CT5: Elise240SX, CC BY-SA 4.0 · 2026 Subaru WRX: TTTNIS, CC0 · 2026 Cadillac CT5 AWD: Elise240SX, CC BY-SA 4.0 · 2026 Cadillac CT5 V: Elise240SX, CC BY-SA 4.0 · 2026 Lexus LS 500 AWD: HJUdall, CC0 · 2025 Audi RS 5 Sportback: Alexander Migl, CC BY-SA 4.0 · 2026 Cadillac CT5 V AWD: Elise240SX, CC BY-SA 4.0 · 2025 Bentley Flying Spur Speed: Alexander-93, CC BY-SA 4.0 · 2025 BMW Alpina B8 Gran Coupe: Dinkun Chen, CC BY-SA 4.0 · 2026 Bentley Flying Spur: Alexander-93, CC BY-SA 4.0 · 2026 BMW M850i xDrive Gran Coupe: Dinkun Chen, CC BY-SA 4.0. Photos from Wikimedia Commons; CarCody links each to its file page.