U.S. Fuel Economy Up in March

In the first quarter of 2017, the average index rating sat 0.8% higher than same-period 2016.

Erin Sunde, Industry Analyst

April 6, 2017

2 Min Read
U.S. Fuel Economy Up in March

The WardsAuto Fuel Economy Index indicates the average fuel economy of light vehicles sold in the U.S. in March was 25.5 mpg (9.2 L/100 km), up 0.3% from same-month 2016.

The national average gasoline price was $2.437, 0.9% higher than in February and 17.7% above year-ago. Standard gasoline-powered vehicles accounted for 96.5% of indexed sales, down from 97.2% in like-2016. Hybrids, plug-in hybrids, and electric vehicles saw small upticks in share.

Cars sold in the month averaged 30.1 mpg (7.8 L/100 km), up 0.8% from prior-year. Domestically built cars (29.9 mpg [7.9 L/100 km]) improved 0.2%, while imports (30.8 mpg [7.6 L/100 km]) rated 2.6% above year-ago.

Light trucks scored 22.4 mpg (10.5 L/100 km) on the index, a 2.6% gain on prior-year. A higher proportion of CUVs and electrified powertrains in this section of the market helped the average move up. Domestic light trucks (21.7 mpg [10.8 L/100 km]) improved 2.7%, and the rating for imports (24.8 mpg [9.5 L/100 km]) rose 1.1%

CUVs were the improved segment from prior-year, jumping 3.0% to 24.9 mpg (9.4 L/100 km). CUVs accounted for 34.8% of indexed LV sales in March compared with 30.9% in same-month 2016.

Jaguar Land Rover set a new high, growing 6.1% from year-ago to 21.5 mpg (11 L/100 km), as sales of diesel-powered models increased and shoppers chose cars and CUVs over SUV models.

Audi hit a record rating of 24.3 mpg (9.7 L/100 km) in March, up 1.7% from like-2016, with an increase in plug-in hybrid sales.

Mitsubishi saw sharpest downturn, caused by a strong shift from cars to CUVs, falling 5.2% to 30.1 mpg (7.8 L/100 km). However, the automaker remained the top-rated on the index, excluding electric-only Tesla.

The Kia Niro hybrid helped its manufacturer see the biggest year-over-year gain, up 6.5% to 27.3 mpg (8.6 L/100 km).

Of the Detroit Three, only General Motors scored higher than last year, up 3.2%. Ford and FCA were down 1.4% and 1.1%, respectively.

In the first quarter of 2017, the average index rating sat at 25.5 mpg (9.2 L/100 km), up 0.8% from same-period 2016. Although small, this is a greater rate of growth than seen in Q1 2016 vs Q1 2015.

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About the Author

Erin Sunde

Industry Analyst, WardsAuto

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