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Top 10 · Cars & GearLuxury-brand cars that go farthest on a gallon, ranked by official EPA combined mpg for 2026 models. Plug-ins and EVs are left out.
The Lexus ES 350h is the most fuel-efficient luxury car for 2026, at 46 mpg combined. The Lexus UX 300h is second at 43 mpg and the Acura Integra third at 32 mpg.
How it's ranked: EPA combined mpg for 2026 model-year cars from luxury brands (Acura, Alfa Romeo, Aston Martin, Audi, Bentley, BMW, Cadillac, Genesis, Infiniti, Jaguar, Land Rover, Lexus, Lincoln, Maserati, Mercedes-Benz, Porsche, Rolls-Royce and Volvo), gas, hybrid and diesel only, from the US government's fueleconomy.gov data. Each model appears once, at its most efficient version. Cars with the same mpg are listed in EPA data order.
Lexus · Hybrid luxury sedan · released 2026
The most fuel-efficient luxury car.
The Lexus ES 350h is EPA-rated at 46 mpg combined (48 city, 44 highway) in its most efficient 2026 version, the ES 350h, with front-wheel drive and a 2.5-liter 4-cylinder engine. The EPA estimates about $1,700 a year in fuel for typical driving. The photo shows the electric ES 350e of the same generation.
Lexus · Hybrid luxury compact · released 2026
The lowest fuel cost on the list.
The Lexus UX 300h is EPA-rated at 43 mpg combined (45 city, 41 highway) in its most efficient 2026 version, the UX 300h, with front-wheel drive and a 2.0-liter 4-cylinder engine. The EPA estimates about $1,450 a year in fuel for typical driving.
Acura · Compact luxury hatchback · released 2026
The most efficient non-hybrid luxury car here.
The Acura Integra is EPA-rated at 32 mpg combined (29 city, 37 highway) in its most efficient 2026 version, the Integra, with front-wheel drive and a 1.5-liter 4-cylinder engine. The EPA estimates about $2,400 a year in fuel for typical driving.
BMW · Compact luxury sedan · released 2026
One of four 31-mpg BMWs.
The BMW 2 Series Gran Coupe is EPA-rated at 31 mpg combined (27 city, 39 highway) in its most efficient 2026 version, the 228 Gran Coupe, with front-wheel drive and a 2.0-liter 4-cylinder engine. The EPA estimates about $2,500 a year in fuel for typical driving.
BMW · Luxury coupe · released 2026
A 31-mpg BMW coupe.
The BMW 4 Series is EPA-rated at 31 mpg combined (28 city, 36 highway) in its most efficient 2026 version, the 430i Coupe, with rear-wheel drive and a 2.0-liter 4-cylinder engine. The EPA estimates about $2,500 a year in fuel for typical driving.
BMW · Compact luxury sedan · released 2026
The benchmark sport sedan, at 31 mpg.
The BMW 3 Series is EPA-rated at 31 mpg combined (28 city, 35 highway) in its most efficient 2026 version, the 330i Sedan, with rear-wheel drive and a 2.0-liter 4-cylinder engine. The EPA estimates about $2,500 a year in fuel for typical driving.
BMW · Mid-size luxury sedan · released 2026
A mid-size BMW at 31 mpg.
The BMW 5 Series is EPA-rated at 31 mpg combined (28 city, 35 highway) in its most efficient 2026 version, the 530i Sedan, with rear-wheel drive and a 2.0-liter 4-cylinder engine. The EPA estimates about $2,500 a year in fuel for typical driving.
Mercedes-Benz · Compact luxury sedan · released 2026
The most efficient Mercedes here.
The Mercedes-Benz CLA is EPA-rated at 30 mpg combined (26 city, 36 highway) in its most efficient 2026 version, the CLA 250, with front-wheel drive and a 2.0-liter 4-cylinder engine. The EPA estimates about $2,600 a year in fuel for typical driving. The photo shows a European CLA 220.
Mercedes-Benz · Compact luxury sedan · released 2026
A 29-mpg Mercedes sedan.
The Mercedes-Benz C-Class is EPA-rated at 29 mpg combined (25 city, 35 highway) in its most efficient 2026 version, the C 300, with rear-wheel drive and a 2.0-liter 4-cylinder engine. The EPA estimates about $2,650 a year in fuel for typical driving.
BMW · Luxury roadster · released 2026
A 28-mpg roadster.
The BMW Z4 is EPA-rated at 28 mpg combined (25 city, 33 highway) in its most efficient 2026 version, the Z4 sDrive30i, with rear-wheel drive and a 2.0-liter 4-cylinder engine. The EPA estimates about $2,750 a year in fuel for typical driving.
The 2026 Lexus ES 350h, at 46 mpg combined (EPA).
Among non-plug-in 2026 BMW cars, four tie at 31 mpg combined: the 228 Gran Coupe, 430i Coupe, 330i Sedan and 530i Sedan.
Among non-plug-in 2026 Mercedes-Benz cars on this list, the CLA 250, at 30 mpg combined.
From the US EPA's official fuel economy data at fueleconomy.gov, for 2026 model-year vehicles.
EPA combined mpg for 2026 model-year cars from luxury brands (Acura, Alfa Romeo, Aston Martin, Audi, Bentley, BMW, Cadillac, Genesis, Infiniti, Jaguar, Land Rover, Lexus, Lincoln, Maserati, Mercedes-Benz, Porsche, Rolls-Royce and Volvo), gas, hybrid and diesel only, from the US government's fueleconomy.gov data. Each model appears once, at its most efficient version. Cars with the same mpg are listed in EPA data order. Every number on this page comes from the source linked under each pick, and every photo shows the actual product. Brands can't pay to be on this list.
List source: www.fueleconomy.gov/feg/download.shtml · Updated 2026-11-11