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	Mazda	MAZDA2	1.5L 4, manual	Tier 3 Bin 125	31	39	55	Above Average	Compact Cars	Details
2021	Toyota	COROLLA	2.0L 4, auto CVT	LEV-III SULEV30 / Tier 3 Bin 30	31	40	55	Above Average	Compact Cars	Details
2021	Volkswagen	Golf	1.4L 4, manual	LEV-III SULEV30 / Tier 3 Bin 30	29	39	55	Average	Compact Cars	Details
2021	Volvo	S60 AWD	Electric (Li-Ion) / 2.0L 4, auto stk Awd	LEV-III SULEV30 / Tier 3 Bin 30	2.19 / 28	2.09 / 33	55	Above Average	Compact Cars	Details
2021	Kia	Sorento Hybrid	1.6L 4, auto	LEV-III SULEV30 / Tier 3 Bin 30	39	35	55	Superior	Compact SUVs	Details
2021	Tesla	Model X Long Range Plus	Electric (Li-Ion)	Tier 3 Bin 0 / ZEV	3.23	3.01	55	Superior	Large SUVs	Details
2021	Audi	A7 quattro	Electric (Li-Ion) / 2.0L 4, auto Awd	LEV-III SULEV30 / Tier 3 Bin 30	2.04 / 26	2.33 / 34	55	Above Average	Midsize Cars	Details
2021	Honda	CIVIC 4Dr	1.5L 4, auto CVT	LEV-III ULEV125 / Tier 3 Bin 125	32	42	55	Above Average	Midsize Cars	Details
2021	Hyundai	Elantra	2.0L 4, auto CVT	LEV-III ULEV70 / Tier 3 Bin 70	31	41	55	Above Average	Midsize Cars	Details
2021	Kia	Forte FE	2.0L 4, auto CVT	LEV-III ULEV70 / Tier 3 Bin 70	31	41	55	Above Average	Midsize Cars	Details
2021	Honda	CR-V AWD	2.0L 4, auto CVT Awd	LEV-III ULEV50 / Tier 3 Bin 50	40	36	55	Superior	Midsize SUVs	Details
2021	Volvo	V60 AWD	Electric (Li-Ion) / 2.0L 4, auto stk Awd	LEV-III SULEV30 / Tier 3 Bin 30	2.19 / 28	2.09 / 33	55	Above Average	Small Wagons	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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