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2023 Most and Least Efficient Cars

Most Efficient Cars by EPA Size Class
(including electric vehicles)
EPA Class Vehicle Combined
MPG
Two-Seaters
Two-Seaters
BMW Z4 sDrive30i
2.0 L, 4 cyl, Automatic (S8), Turbo
28
Minicompacts
Minicompacts
MINI Cooper Convertible
1.5 L, 3 cyl, Automatic (AM-S7), Turbo
32
Subcompacts
Subcompacts 110
Compacts
Compacts
Porsche Taycan GTS
A-2, 194 and 360 kW AC Induction
83
83
Midsize
Midsize
Tesla Model 3 RWD
A-1, 192 kW AC 3-Phase AC Induction
132
Large
Large
Tesla Model S
A-1, 247 and 247 kW AC 3-Phase AC Induction
120
Small Station Wagons
Small Station Wagons
Chevrolet Bolt EV
A-1, 150 kW ACPM
120
Midsize Station Wagons
Midsize Station Wagons
Volvo V90CC B6 AWD
2.0 L, 4 cyl, Automatic (S8), Turbo, Supercharger
25
Most Efficient Cars by EPA Size Class
(excluding electric vehicles)
EPA Class Vehicle Combined
MPG
Two-Seaters
Two-Seaters
BMW Z4 sDrive30i
2.0 L, 4 cyl, Automatic (S8), Turbo
28
Minicompacts
Minicompacts
MINI Cooper Convertible
1.5 L, 3 cyl, Automatic (AM-S7), Turbo
32
Subcompacts
Subcompacts
Audi A3
2.0 L, 4 cyl, Automatic (AM-S7), Turbo
32
MINI Cooper Hardtop 2 door
1.5 L, 3 cyl, Automatic (AM-S7), Turbo
32
MINI Cooper Hardtop 4 door
1.5 L, 3 cyl, Automatic (AM-S7), Turbo
32
Compacts
Compacts
Toyota Corolla Hybrid
1.8 L, 4 cyl, Automatic (variable gear ratios)
50
Midsize
Midsize
Hyundai Elantra Hybrid Blue
1.6 L, 4 cyl, Automatic (AM-S6)
54
Large
Large
Hyundai Sonata Hybrid Blue
2.0 L, 4 cyl, Automatic (AM-S6)
52
Small Station Wagons
Small Station Wagons
Kia Niro FE
1.6 L, 4 cyl, Automatic (AM-S6)
53
Midsize Station Wagons
Midsize Station Wagons
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
Two-Seaters
Bugatti Chiron Pur Sport
8.0 L, 16 cyl, Automatic (AM-S7), Turbo
9
Bugatti Chiron Super Sport
8.0 L, 16 cyl, Automatic (AM-S7), Turbo
9
Minicompacts
Minicompacts
Bentley Continental GT Convertible Speed
6.0 L, 12 cyl, Automatic (AM-S8), Turbo
14
Subcompacts
Subcompacts
Bentley Continental GT Speed
6.0 L, 12 cyl, Automatic (AM-S8), Turbo
15
Compacts
Compacts
BMW M3 Competition M xDrive Sedan
3.0 L, 6 cyl, Automatic (S8), Turbo
18
Cadillac CT4 V
3.6 L, 6 cyl, Manual 6-spd, Turbo
18
Midsize
Midsize
Bentley Flying Spur
6.0 L, 12 cyl, Automatic (AM-S8), Turbo
15
Cadillac CT5 V
6.2 L, 8 cyl, Manual 6-spd, Supercharger
15
Large
Large
Rolls-Royce Ghost
6.6 L, 12 cyl, Automatic (S8)
14
Rolls-Royce Ghost Black Badge
6.6 L, 12 cyl, Automatic (S8)
14
Rolls-Royce Ghost Extended
6.6 L, 12 cyl, Automatic (S8)
14
Rolls-Royce Phantom
6.7 L, 12 cyl, Automatic (S8)
14
Rolls-Royce Phantom Extended
6.7 L, 12 cyl, Automatic (S8)
14
Small Station Wagons
Small Station Wagons
Lamborghini Urus Performante
4.0 L, 8 cyl, Automatic (S8), Turbo
16
Midsize Station Wagons
Midsize Station Wagons
Rolls-Royce Cullinan
6.7 L, 12 cyl, Automatic (S8), Turbo
14
Rolls-Royce Cullinan Black Badge
6.7 L, 12 cyl, Automatic (S8), Turbo
14

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