Best by Class

Starting with the latest model year, these vehicles scored highest in their vehicle class.

Year	Make	Model	Specification	Emission Standard	MPG City	MPG Hwy	Green Score	Class Ranking	Class
2021	Chrysler	300 AWD	3.6L 6, auto Awd	LEV-III ULEV125 / Tier 3 Bin 125	18	27	41	Average	Large Cars	Details
2021	Dodge	Charger	3.6L 6, auto Awd	LEV-III ULEV125 / Tier 3 Bin 125	18	27	41	Average	Large Cars	Details
2021	Genesis	G80 RWD	3.5L 6, auto stk [P]	LEV-III ULEV70 / Tier 3 Bin 70	19	27	41	Average	Large Cars	Details
2021	Genesis	G80 AWD	3.5L 6, auto stk Awd [P]	LEV-III ULEV70 / Tier 3 Bin 70	18	26	40	Below Average	Large Cars	Details
2021	Audi	A8L	3.0L 6, auto stk Awd [P]	LEV-III ULEV70 / Tier 3 Bin 70	17	26	39	Below Average	Large Cars	Details
2021	BMW	750i xDrive	4.4L 8, auto stk Awd [P]	LEV-III ULEV125 / Tier 3 Bin 125	17	24	37	Below Average	Large Cars	Details
2021	BMW	Alpina B7	4.4L 8, auto stk Awd [P]	LEV-III ULEV125 / Tier 3 Bin 125	17	24	37	Below Average	Large Cars	Details
2021	Chrysler	300	5.7L 8, auto	LEV-III LEV160 / Tier 3 Bin 160	16	25	37	Below Average	Large Cars	Details
2021	Dodge	Charger	5.7L 8, auto	LEV-III LEV160 / Tier 3 Bin 160	16	25	37	Below Average	Large Cars	Details
2021	Genesis	G90 AWD	3.3L 6, auto stk Awd [P]	LEV-III ULEV125 / Tier 3 Bin 125	17	24	37	Below Average	Large Cars	Details
2021	Genesis	G90 RWD	3.3L 6, auto stk [P]	LEV-III ULEV125 / Tier 3 Bin 125	17	24	37	Below Average	Large Cars	Details
2021	Genesis	G90 RWD	5.0L 8, auto stk [P]	LEV-III ULEV70 / Tier 3 Bin 70	16	24	37	Below Average	Large Cars	Details

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auto cvt

denotes continuously variable automatic transmission.

auto stk

denotes manually adjustable automatic transmission

[CNG]

denotes Compressed Natural Gas

[P]

denotes premium gasoline.

[D]

denotes diesel

Emission Standards:

A listing with two emission standards (e.g., Tier 2 bin 5 / ULEV II) denotes a single vehicle carrying both a federal and California emission certification. Green scores for such listings reflect the cleaner of the two certifications.

Battery-Electric Vehicle Fuel Economy:

Fuel economy for pure battery-electric vehicles is provided in miles per kilowatt-hour.

Plug-in Hybrid Fuel Economy:

Fuel economy for plug-in hybrids is provided in miles per gallon for gasoline operation and in miles per kilowatt-hour for electric operation.

"...It's easy-to-use rating system makes it a snap to see the green from the mean. So enlighten your mind and free your lungs and check out ACEEE's Green Book before you buy."

Motor Week, Maryland Public Television

"For those of you who are more inclined to buy green than you are to drive through it as fuel prices rise, I can recommend no better resource than ACEEE's Green Book...[It] offers solid, practical, well-researched, balanced advice."

Warren Brown, Washington Post

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