Chevrolet Impala Performance
Test drivers recommending skipping the base engine and opting for the 2015 Chevrolet Impala’s available V6, which they say offers strong performance and quick acceleration. Test drivers also report that the 2015 Impala delivers fairly composed handling for a car of its size.
- "If you haven't driven an Impala since you were at the rental counter a few years back, we strongly recommend giving Chevy's reborn full-sizer a chance." -- Edmunds
- "The car moves away from the curb all at once, with the confident, forthright and yet reassuring feel that Bentley and Rolls-Royce engineers have told us is the signature of a fine motorcar." -- Automobile Magazine (2014)
- "Once outside the city, our driving route provided a good mix of twisty roads and wide-open Interstate driving, and while the Impala is no canyon carver, it was at least up to the task of allowing us to have a little fun." -- Autoblog (2014)
Acceleration and Power
The base 2015 Chevrolet Impala is powered by a 2.5-liter four-cylinder engine that produces 196 horsepower. New for 2015 on the four-cylinder model is a start/stop feature, which shuts the engine off when the car is stopped to save fuel. A 3.6-liter V6 engine producing 305 horsepower is available. Also available is a bi-fuel model, which has a 3.6-liter V6 engine that produces 260 horsepower when running on gasoline, or 230 horsepower when compressed natural gas (CNG) is used. The Impala primarily runs on CNG, and automatically switches to regular gasoline when the CNG tank is empty. A six-speed automatic transmission and front-wheel drive are standard on all Impala models. The base 2015 Impala earns an EPA-estimated 22/31 mpg city/highway, which are great estimates for the class. V6 Impalas (non-CNG) get up to 18/28 mpg city/highway.
While reviewers note that the Impala's base engine delivers refined power and good fuel economy, they are more impressed with the available V6 engine, which they think offers faster acceleration and stronger power for highway passing. The six-speed automatic transmission is smooth-shifting, reviewers say, but a few would like paddle shifters for the transmission’s manual mode.
- "The optional 3.6-liter V6 gives the Impala both praiseworthy fuel economy and the highest horsepower number of any naturally aspirated V6 in the segment. Its quicker-than-you'd-guess 0-to-60-mph time of 6.8 seconds is just one indication that the V6-powered Impala feels powerful in any situation." -- Kelley Blue Book
- "You may be tempted to stick with the four-cylinder engine on account of its lower price and higher fuel economy, but if you shell out for the V6, you won't regret it. The unremarkable sprint to 60 mph doesn't tell the whole story here -- when you punch it at cruising speed, the six responds with real authority. The base four is smooth and willing, but its 110-hp deficit is readily apparent from the driver seat." -- Edmunds
- "The 6-speed automatic transmission kicks down responsively to provide highway passing punch and shifts smoothly. While it can be shifted manually, we would prefer steering-wheel paddles to the plus-minus toggle on the shifter." -- MSN (2014)
Handling and Braking
Test drivers say that while you won't get sport sedan-like handling from the 2015 Chevy Impala, it’s still fairly well-controlled through turns. The 2015 Impala also earns praise for its quiet, comfortable ride, which does a good job of absorbing road imperfections. However, a few critics say Impala models equipped with 20-inch wheels have a bit harsher ride.
- "As expected, the Impala takes road impacts in stride, soaking up the bumps and ruts like a big car should. The interior is also pleasingly quiet, with minimal amounts of wind and road noise at freeway speeds. For maximum ride comfort, however, we advise skipping the 20-inch wheels, as they ride a little too harshly over sharp bumps." -- Edmunds
- "Though its suspension lacks the effective HiPerfront strut suspension and adaptive damping system seen on more expensive full-size GM sedans, the Impala nonetheless manages to strike a commendable balance between ride comfort and well-controlled body motions." -- Left Lane News
- "No matter what engine you choose, the Impala offers luxurious comfort and quiet. The suspension employs MacPherson struts up front and a 4-link rear setup that translates to a highly comfortable and refined road-going experience." -- Kelley Blue Book
- "Although the Impala will never be mistaken for a sport sedan, it never feels clumsy or sloppy when pushed. This car shrinks around you and feels more capable, balanced, and agile the longer you drive." -- Popular Mechanics (2014)
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