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2018 Most and Least Efficient Cars

Most Efficient Cars by EPA Size Class
(including electric vehicles)
EPA Class Vehicle Combined
MPG
Two-Seaters
Two-Seaters
Fiat 124 Spider
1.4 L, 4 cyl, Manual 6-spd, Turbo
30
Minicompacts
Minicompacts
MINI Cooper Convertible
1.5 L, 3 cyl, Manual 6-spd, Turbo
32
Subcompacts
Subcompacts
Karma Revero
2.0 L, 4 cyl, Automatic (A1), Turbo
35
Compacts
Compacts
Ford Focus Electric
A-1, 107 kW PMSM
107
Midsize
Midsize 136
Large
Large
Hyundai Ioniq Blue
1.6 L, 4 cyl, Automatic (AM6)
58
BMW 740e xDrive
2.0 L, 4 cyl, Automatic (S8), Turbo
33
Small Station Wagons
Small Station Wagons
Kia Soul Electric
A-1, 150 kW ACPM
108
Midsize Station Wagons
Midsize Station Wagons
Mercedes-Benz GLA250
2.0 L, 4 cyl, Automatic (AM7), Turbo
27
Volvo V90 FWD
2.0 L, 4 cyl, Automatic (S8), Turbo
27
Most Efficient Cars by EPA Size Class
(excluding electric vehicles)
EPA Class Vehicle Combined
MPG
Two-Seaters
Two-Seaters
Fiat 124 Spider
1.4 L, 4 cyl, Manual 6-spd, Turbo
30
Minicompacts
Minicompacts
MINI Cooper Convertible
1.5 L, 3 cyl, Manual 6-spd, Turbo
32
Subcompacts
Subcompacts
Toyota Yaris iA
1.5 L, 4 cyl, Automatic (S6)
35
Compacts
Compacts
Toyota Prius c
1.5 L, 4 cyl, Automatic (variable gear ratios)
46
Midsize
Midsize
Toyota Camry Hybrid LE
2.5 L, 4 cyl, Automatic (AV-S6), Regular Gas
52
Large
Large
Hyundai Ioniq Blue
1.6 L, 4 cyl, Automatic (AM6)
58
Small Station Wagons
Small Station Wagons
Kia Niro FE
1.6 L, 4 cyl, Automatic (AM6)
50
Midsize Station Wagons
Midsize Station Wagons
Mercedes-Benz GLA250
2.0 L, 4 cyl, Automatic (AM7), Turbo
27
Volvo V90 FWD
2.0 L, 4 cyl, Automatic (S8), Turbo
27
Least Efficient Cars by EPA Size Class
(excluding electric vehicles)
EPA Class Vehicle Combined
MPG
Two-Seaters
Two-Seaters
Bugatti Chiron
8.0 L, 16 cyl, Automatic (AM-S7), Turbo
11
Minicompacts
Minicompacts
Ferrari GTC4Lusso
6.3 L, 12 cyl, Auto(AM7)
13
Subcompacts
Subcompacts
Bentley Continental GT Convertible
6.0 L, 12 cyl, Automatic (S8), Turbo
14
Bentley Continental Supersports Convertible
6.0 L, 12 cyl, Automatic (S8), Turbo
14
Compacts
Compacts
Rolls-Royce Dawn
6.6 L, 12 cyl, Automatic (S8)
14
Midsize
Midsize
Bentley Flying Spur
6.0 L, 12 cyl, Automatic (S8), Turbo
14
Bentley Mulsanne
6.8 L, 8 cyl, Automatic (S8), Turbo
14
Rolls-Royce Wraith
6.6 L, 12 cyl, Automatic (S8)
14
Large
Large
Rolls-Royce Ghost
6.6 L, 12 cyl, Automatic (S8)
14
Rolls-Royce Ghost EWB
6.6 L, 12 cyl, Automatic (S8)
14
Rolls-Royce Phantom
6.7 L, 12 cyl, Automatic (S8)
14
Rolls-Royce Phantom EWB
6.7 L, 12 cyl, Automatic (S8)
14
Small Station Wagons
Small Station Wagons
Volvo V60 Polestar AWD
2.0 L, 4 cyl, Automatic (S8), Turbo, Supercharger
22
Midsize Station Wagons
Midsize Station Wagons
Mercedes-Benz AMG E63 S 4matic (wagon)
4.0 L, 8 cyl, Automatic 9-spd, Turbo
18