Subscribe to Fact of the Week

The average production-weighted fuel economy for all new light-duty vehicles in model year (MY) 2019 was 95% better than in MY 1975, while average horsepower was 78% higher and weight was 1% higher. From the late 1980s to the mid-2000s, fuel economy generally declined while horsepower and weight increased. Since 2004, due to technical innovations, fuel economy and horsepower have increased while vehicle weight has stayed about the same.

Relative change in new light-duty vehicle economy, weight, and horsepower since MY 1975.

Note: Data for 2019 are preliminary. All data are production weighted.

Source: U.S. Environmental Protection Agency, 2019 EPA Automotive Trends Report, EPA-420-R-20-006, March 2020

Fact #1131 Dataset

Return to 2020 Fact of the Week