Changes for the 2015 Chevrolet Impala:
Redesigned last year, the Chevy Impala gains automatic stop/start technology for its standard 4-cylinder engine, while at the same time the eAssist mild hybrid model is discontinued. A new version of the 3.6-liter V-6 is available in a bi-fuel format allowing it to run on gasoline or compressed natural gas.
In terms of infotainment upgrades, the Impala’s OnStar technology adds 4G LTE high-speed connectivity and provision of a mobile Wi-Fi hotspot, complete with a free 3-month/3GB trial period, while the Chevrolet MyLink system adds new Text Messaging Alerts and Siri Eyes Free capability.
New paint colors round out the changes to the 2015 Impala.
A full-size sedan with a trunk measuring 18.8 cu.-ft., the 2015 Impala is offered in LS, LT, and LTZ trim levels.
Engines and Transmissions:
A 196-horsepower, 2.5-liter 4-cylinder engine is standard for all Impala models, now equipped with automatic start/stop technology designed to help conserve fuel. As an option, the LT and LTZ models can be equipped with a 305-horsepower, 3.6-liter V-6. With both engines, a 6-speed automatic transmission delivers the power to the front wheels.
New for 2015, a 3.6-liter bi-fuel V-6 engine is available, one that runs on gasoline or compressed natural gas (CNG). The engine makes 260 horsepower on gasoline and 230 horsepower on CNG. The CNG tank is mounted in the trunk, and the car offers approximately 150 miles of city range on CNG alone. Using CNG and then switching to gas, the Impala travels up to 500 miles in the city.
Fuel Economy Ratings:
Thanks to its new automatic stop/start technology, the Impala’s standard 4-cylinder engine improves its city fuel economy rating from 21 mpg to 22 mpg. The overall combined-driving rating remains unchanged at 25 mpg. Choose the 3.6-liter V-6 engine, and the Impala returns up to 22 mpg in combined driving, depending on configuration.
Official ratings for the bi-fuel V-6 were not available as this vehicle summary was published.
Chevrolet equips every 2015 Impala with 10 standard airbags and OnStar Automatic Crash Response service, which is free for the first 6 months of ownership. Numerous safety-related technologies can be added to the Impala LT and LTZ, including rear parking assist sensors, a reversing camera, Forward Collision Alert with Crash Imminent Braking, Side Blind Zone Alert, Rear Cross-Traffic Alert, and Lane Departure Warning.
According to the NHTSA, the 2015 Impala earns a 5-star overall rating for crash protection. In testing conducted by the Insurance Institute for Highway Safety (IIHS), the Impala earned the highest possible ratings for protection in moderate-overlap frontal-impact collisions and in side-impact collisions. The IIHS had not tested the Impala for rear-impact injury prevention or for small overlap frontal-impact protection as this summary was published.
The big technology news for the 2015 Impala is its new OnStar 4G LTE connectivity with its mobile Wi-Fi hotspot. Supporting up to 10 connected devices, this service is paired with Chevrolet MyLink and is free for the first three months or 3GB of data use.
Written by Christian Wardlaw
June 30, 2014
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