The 2019 Hyundai Elantra delivers good, but not class-leading fuel economy. The most popular HyundaiElantra models are rated about average for compact sedans. We base our 6 out of 10 rating on the 28 mpg city, 37 highway, 32 combined for the Elantra sedans with the automatic transmission and 2.0-liter inline-4 engine.