It’s more than a budge of the needle. The year-over-year average in September light vehicle fuel economy numbers has risen to 23.2 miles per gallon (MPG) in 2012, from 22 MPG in September 2011, according to TrueCar.com’s TrueMPG* tally. The Santa Monica-based “authority on new car pricing information, trends and forecasting.”
While the numbers are the highest recorded to date, September 2012 held steady with August. The year-to-date TrueMPG average has risen to the same 23.2 magic MPG, from 21.9 MPG, over the first three quarters in 2011, with General Motors, Honda, and Toyota showing the largest gains in corporate fuel economy over the time period. A slew of new models and punishingly high gas prices have new car buyers seeking more fuel-efficient vehicles, with compacts and subcompacts leading the charge.