With its mid-level model gone, the gas-mileage story for the 2013 Hyundai Genesis becomes a little clearer for potential buyers.
The base Genesis and its 3.8-liter V-6 gets good fuel economy, especially considering its considerable power (333 horsepower) and its rear-drive architecture. The EPA rates it at 18 miles per gallon on the city cycle, and 28 miles per gallon on the highway cycle--figures that make it almost as efficient as some front-drive sedans like the 2012 Toyota Avalon. Those numbers also represent a fair improvement over the Genesis' base engine from the 2011 model year, mostly due to the adoption of an eight-speed automatic transmission.
The eight-speed automatic transmission is also paired with the 5.0-liter V-8 in the 429-hp Genesis R-Spec sedan, which is rated at 16/25 mpg. Unlike most other luxury vehicles, the Genesis doesn't require premium gasoline. If it's used, it yields a few more horsepower, but likely won't affect fuel economy.
NOTE: The Genesis sedan is among those Hyundai vehicles included in a restatement of fuel-economy figures. From the 2011 to the 2013 model year, the EPA has calculated that many Hyundai vehicles had overstated gas-mileage ratings that did not hold up to confirmation testing performed by the agency. Owners will receive reimbursements for extra fuel used, and can initiate payment through Hyundai's site, www.hyundaimpginfo.com.