The 2012 Chevy Impala Police gets an upgraded 3.6-liter, V-6 engine that generates more power and improves fuel economy over the 2011 model, General Motors has announced.

The new engine and six-speed automatic transmission produces 302 hp and is rated to achieve a fuel economy of 17 mpg city and 27 mpg highway — a 3 mpg improvement over previous Impala models. The 2012 Impala can accelerate from 0-60 mph in 6.6 seconds, according to the automaker.

"Because our police customers need to conserve their budgets, we designed the 2012 Chevrolet Impala Police to help reduce fuel costs while standing up to the toughest environments and most demanding situations," according to Dana Hammer, police vehicle manager for GM Fleet and Commercial Operations.

The 2012 model will be the first Chevrolet Impala Police to feature StabiliTrak, GM's stability control technology. Significant brake upgrades shortened the vehicle's 60-0 mph stopping distance to 132 feet, according to the automaker. Impala's steering and suspension systems have been improved to reduce body roll and improve handling.

The 2012 Impala will have W-rated Goodyear Eagle RS-A all-season tires as standard. These tires enable officers to accelerate up to 140 mph.

Civilian drivers who purchase the 2012 Impala, which goes on sale in June, will also get the additional horsepower and fuel economy.

"The enhancements to the 2012 Impala's powertrain, steering and suspension produce a new vehicle that has improved performance, handling and safety features for police and general consumers," according to Darren Post, vehicle line director for Impala. "And they'll see a savings at the fuel pump."