While the interior features on the 2015 Chevrolet Impala speak for its upgrades, the sedan also comes with three new engine offerings that suit everybody’s lifestyle. Built to fit the needs of every driver, these available engines are capable of providing enough power to the sedan. Available as a standard engine on the LS, 1LT, and 1LZ is a 2.5-liter four-cylinder engine. It is capable of producing 195 horsepower and 187 lb-ft of torque. Its EPA estimate for fuel economy is at 21/31 mpg city/highway. A stronger engine, available on both the 2LT and 2LZ, is composed of a 3.6-liter V6 engine that produces 305 horsepower and 264 lb-ft of torque. This engine has an EPA estimate for fuel economy at 19/29 mpg city/highway. Across all trims, a six-speed automatic transmission is a standard; together with a Front-Wheel Drive (FWD). Based on performance tests, the 2015 Chevrolet Impala with a V6 engine can accelerate from zero to 60 mph in just 6.7 seconds. This is considered an average 0-60 mph time for a large sedan. A third engine offering is best suited for those who require a hybrid vehicle. The Impala Hybrid is equipped with a 2.4-liter four cylinder with eAssist mild hybrid. The engine is capable of producing 182 horsepower and 172 lb-ft of torque; and its EPA estimate for fuel economy is at 25/35 mpg city/highway. * Based on 2013 EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary depending on how you drive and maintain your vehicle.