2025 Most and Least Efficient Cars

Most Efficient Cars by EPA Size Class (including electric vehicles)
EPA Class	Vehicle	Combined MPG
Two-Seaters
Two-Seaters	Bugatti Rimac Nevera Automatic (A1)	53
Minicompacts
Minicompacts	Fiat 500e Automatic (A1) DCPM	116
Subcompacts
Subcompacts	Audi S e-tron GT (20 inch wheels) Automatic (A1)	90
Compacts
Compacts	BMW i4 eDrive35 Gran Coupe (18 inch Wheels) Automatic (A1) EESM	116
Midsize Cars
Midsize Cars	Tesla Model 3 Long Range RWD Automatic (A1) ACPM	137
Large Cars
Large Cars	Lucid Air Pure RWD with 19 inch wheels Automatic (A1) ACPM	146
Small Station Wagons
Small Station Wagons	Volvo V60 T8 AWD 2.0 L, 4 cyl, Automatic (S8), Turbo	52
Midsize Station Wagons
Midsize Station Wagons	Mercedes-Benz EQE 350 Plus (SUV) Automatic (A1) ACPM	93

Most Efficient Cars by EPA Size Class (excluding electric vehicles)
EPA Class	Vehicle	Combined MPG
Two-Seaters
Two-Seaters	Mazda MX-5 2.0 L, 4 cyl, Manual 6-spd	29
Two-Seaters	Mazda MX-5 2.0 L, 4 cyl, Automatic (S6)	29
Minicompacts
Minicompacts	MINI Cooper Convertible 2.0 L, 4 cyl, Automatic (AM-S7), Turbo	30
	MINI Cooper S Convertible 2.0 L, 4 cyl, Automatic (AM-S7), Turbo	30
	MINI JCW Convertible 2.0 L, 4 cyl, Automatic (AM-S7), Turbo	30
Subcompacts
Subcompacts	MINI Cooper Hardtop 2 door 2.0 L, 4 cyl, Automatic (AM-S7), Turbo	32
Subcompacts	MINI Cooper S Hardtop 2 door 2.0 L, 4 cyl, Automatic (AM-S7), Turbo	32
Compacts
Compacts	Toyota Corolla Hybrid 1.8 L, 4 cyl, Automatic (variable gear ratios)	47
Midsize Cars
Midsize Cars	Toyota Prius 2.0 L, 4 cyl, Automatic (variable gear ratios)	57
Large Cars
Large Cars	Honda Accord Hybrid 2.0 L, 4 cyl, Automatic (variable gear ratios)	48
Large Cars	Honda Civic 5Dr 2.0 L, 4 cyl, Automatic (variable gear ratios)	48
Small Station Wagons
Small Station Wagons	Toyota Crown Signia AWD 2.5 L, 4 cyl, Automatic (AV-S6)	38
Midsize Station Wagons
Midsize Station Wagons	Audi A6 Allroad quattro 3.0 L, 6 cyl, Automatic (AM-S7), Turbo	25
	Mercedes-Benz E450 4matic All-Terrain (wagon) 3.0 L, 6 cyl, Automatic 9-spd, Turbo, Supercharger	25
	Volvo V90CC B6 AWD 2.0 L, 4 cyl, Automatic (S8), Turbo, Supercharger	25

Least Efficient Cars by EPA Size Class
EPA Class	Vehicle	Combined MPG
Two-Seaters	Bugatti Mistral 8.0 L, 16 cyl, Automatic (AM-S7), Turbo	9
Minicompacts	Mercedes-Benz AMG SL55 4matic Plus 4.0 L, 8 cyl, Automatic 9-spd, Turbo	16
	Mercedes-Benz AMG SL63 4matic Plus 4.0 L, 8 cyl, Automatic 9-spd, Turbo	16
	Porsche 911 Turbo Cabriolet 3.7 L, 6 cyl, Automatic (AM-S8), Turbo	16
	Porsche 911 Turbo S 3.7 L, 6 cyl, Automatic (AM-S8), Turbo	16
	Porsche 911 Turbo S Cabriolet 3.7 L, 6 cyl, Automatic (AM-S8), Turbo	16
Subcompacts	Ford Mustang GTD 5.2 L, 8 cyl, Automatic (AM-S8), Supercharger	12
Compacts	Mercedes-Benz AMG GT 63 4matic Plus 4.0 L, 8 cyl, Automatic 9-spd, Turbo	17
Midsize Cars	Cadillac CT5 V 6.2 L, 8 cyl, Automatic (S10), Supercharger	15
Midsize Cars	Cadillac CT5 V 6.2 L, 8 cyl, Manual 6-spd, Supercharger	15
Large Cars	Rolls-Royce Ghost 6.7 L, 12 cyl, Automatic (S8), Turbo	14
	Rolls-Royce Ghost Black Badge 6.7 L, 12 cyl, Automatic (S8), Turbo	14
	Rolls-Royce Ghost Extended 6.7 L, 12 cyl, Automatic (S8), Turbo	14
	Rolls-Royce Phantom 6.7 L, 12 cyl, Automatic (S8), Turbo	14
	Rolls-Royce Phantom Extended 6.7 L, 12 cyl, Automatic (S8), Turbo	14
Small Station Wagons	Mercedes-Benz AMG GLC43 4matic 2.0 L, 4 cyl, Automatic 9-spd, Turbo	21
	Mercedes-Benz AMG GLC43 4matic Coupe 2.0 L, 4 cyl, Automatic 9-spd, Turbo	21
	Mercedes-Benz AMG GT 43 4matic Plus 3.0 L, 6 cyl, Automatic 9-spd	21
	Mercedes-Benz AMG GT 53 4matic Plus 3.0 L, 6 cyl, Automatic 9-spd	21
Midsize Station Wagons	Audi RS 6 Avant 4.0 L, 8 cyl, Automatic (S8), Turbo	17