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	CX-3 2WD	2.0L 4, auto stk	LEV-III SULEV30 / Tier 3 Bin 30	29	34	53	Average	Compact Cars	Details
2021	Mazda	MAZDA3 4-Door 2WD	2.0L 4, auto stk	LEV-III SULEV30 / Tier 3 Bin 30	28	36	53	Average	Compact Cars	Details
2021	Nissan	VERSA	1.6L 4, manual	LEV-III SULEV30 / Tier 3 Bin 30	28	36	53	Average	Compact Cars	Details
2021	Toyota	COROLLA	2.0L 4, manual	LEV-III SULEV30 / Tier 3 Bin 30	29	36	53	Average	Compact Cars	Details
2021	Toyota	Corolla Apex	2.0L 4, manual	LEV-III SULEV30 / Tier 3 Bin 30	29	36	53	Average	Compact Cars	Details
2021	Toyota	COROLLA HATCHBACK MANUAL	2.0L 4, manual	LEV-III SULEV30 / Tier 3 Bin 30	28	37	53	Average	Compact Cars	Details
2021	Toyota	COROLLA XLE	1.8L 4, auto CVT	LEV-III ULEV70 / Tier 3 Bin 70	29	37	53	Average	Compact Cars	Details
2021	Volkswagen	Golf	1.4L 4, auto stk	LEV-III SULEV30 / Tier 3 Bin 30	29	36	53	Average	Compact Cars	Details
2021	Kia	Seltos FWD	2.0L 4, auto CVT	LEV-III ULEV70 / Tier 3 Bin 70	29	34	53	Above Average	Compact SUVs	Details
2021	Toyota	HIGHLANDER HYBRID	2.5L 4, auto CVT	LEV-III SULEV30 / Tier 3 Bin 30	36	35	53	Above Average	Compact SUVs	Details
2021	Honda	Accord Sport/Touring	1.5L 4, auto CVT	LEV-III SULEV30 / Tier 3 Bin 30	29	35	53	Above Average	Large Cars	Details
2021	Honda	CIVIC 5DR	1.5L 4, manual [P]	LEV-III ULEV125 / Tier 3 Bin 125	29	37	53	Above 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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