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December 22, 2009

Green Thinking

2010's most fuel-efficient sports cars

Fuel-efficient cars by body style

Choosing a new car? Weigh the impact of your choice on your wallet and on the planet. The following cars are ranked by city miles per gallon (MPG), followed by highway MPG based on the Environmental Protection Agency's Fuel Economy Guide for the 2010 model year. (For details of the testing, see the notes below.)


Rank Model MPG: city/hwy Annual fuel cost * Carbon footprint
(tons/yr of CO2)
Additional info
1 Nissan Altima Coupe Nissan Altima Coupe 23/32 $1542 7.1 tons 4 cylinder, 2.5 liter, Auto(AV-S6), regular gas
2 Audi A5 Cabriolet Audi A5 Cabriolet 23/30 $1681 7.1 tons 4 cylinder, 2 liter, automatic (variable gear ratios), premium gas
3 Pontiac G6 Pontiac G6 22/33 $1542 7.1 tons 4 cylinder, 2.4 liter, automatic (S6), regular gas
4 Honda Accord Coupe Honda Accord Coupe 22/31 $1602 7.3 tons 4 cylinder, 2.4 liter, manual 5-speed, regular gas
5 Volkswagen Eos Volkswagen Eos 22/29 $1746 7.3 tons 4 cylinder, 2 liter, automatic (S6), premium gas
6 Mazda MX-5Mazda MX-5 22/28 $1820 7.7 tons 4 cylinder, 2 liter, manual 5-speed, premium gas
7 Hyundai Genesis CoupeHyundai Genesis Coupe 21/30 $1670 7.7 tons 4 cylinder, 2 liter, manual 6-speed, regular gas
8 Audi TT Coupe Quattro Audi TT Coupe Quattro 21/29 $1820 7.7 tons 4 cylinder, 2 liter, automatic (S6), premium gas
9 Lotus Elise/ExigeLotus Elise/Exige 21/27 $1899 8 tons 4 cylinder, 1.8 liter, manual 6-speed, premium gas
10 Porsche Boxster Porsche Boxster 20/29 $1820 7.7 tons 6 cylinder, 2.9 liter, automatic 7-speed, premium gas

Notes:

* Annual fuel cost estimates are based on the assumptions that you travel 15,000 miles per year (55 percent in the city and 45 percent on the highway) and that fuel costs $3.48 per gallon for regular unleaded gasoline, $3.75 per gallon for premium and $3.88 for diesel. Visit www.fueleconomy.gov to calculate fuel costs based on current fuel prices and your driving habits.

Each model is allowed to appear on the list only once regardless of variations in its trim, options and/or specs.

Note that the models featured on the research pages linked here may have slight variations to the models specified in this list.

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