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2018 Chevy Impala vs 2017 Chevy Impala


Difference Between The 2018 Chevrolet Impala And 2017 Chevrolet Impala

2018 Chevrolet Impala vs. 2017 Chevrolet Impala
22 city / 30 hwy Fuel Economy 22 city / 30 hwy
197 hp Horsepower 197 hp
191 lb-ft Torque 191 lb-ft

Serving Chattanooga, Nashville, and Cleveland, TN

These past few years, the Chevrolet Impala has firmly secured its place in the top tier of the full-size sedan market, if not as the best full-size sedan outright. By the 2017 model year, U.S. News & World Report—which ranks vehicles based on an evaluation of aggregated reviews and ratings—crowned the Impala the “Best Large Car for the Money.” The 2018 model year continues where the previous iteration left off: making updates that keep both versions as top choices in the large car market.

V6 Engine

The 2017/2018 Chevrolet Impala already has adequate acceleration ability with its base-level LKW Ecotec powerplant, which is a 2.5-liter inline 4-cylinder (I4) engine that generates 197 horsepower and 191 lb-ft of torque. However, if you want to maximize acceleration and lane-merging and switching ability, go with the top-level Premier trim, which is the only version of the Impala that uses the LFX as a standard engine. A beefy 3.6-liter V6, the LFX provides 305 horsepower and 264 lb-ft of torque. And if you don’t want the Premier, don’t fret; you can swap the I4 with the V6 on the other trims (i.e., LS and LT).

Ride Quality

Automotive writers generally commend the smooth, comfortable ride that the 2017 and 2018 editions of the Chevrolet Impala provide. At the front is a MacPherson gas-charged strut suspension that includes a stabilizer bar. And at the back, the suspension uses a four-link design, which not only includes gas-charged struts and a stabilizer bar, but also coil springs. This suspension configuration absorbs the turbulence of less-than-smooth road surfaces and isolates it from the cabin, thus maximizing comfortability. Also worthy of mention is the electric power steering, which provides accuracy when navigating turns and twisting roads.

Projected Reliability

Car research information firm J.D. Power & Associates evaluates reported issues on a new vehicle during the first 90 days of ownership before determining its “Power Circle” rating for it in terms of projected reliability. This type of rating is meant to estimate the likelihood that the car will last for a long time with minimal need for repairs or replacements. The rating is based on a 2-to-5 scale; the more circles, the higher the predicted reliability. The Chevrolet Impala got 4 Power Circles, which puts it in the “Better than most” category. Thus, the Impala is one of the best full-size cars to get if you want to own a vehicle that is likely to give you many years of great service.


Can’t wait to try out both iterations of the Chevrolet Impala? You can test drive either one at our dealership in Chattanooga, Tennessee. With favorable aggregated reviews on Google and Cars.com, we take great pride on making sure that every customer who comes here is thoroughly satisfied with his or her experience. Give us a call today to set up a time to meet with one of our Chevrolet sales experts.

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MSRP excludes destination, taxes, title and registration fees. Starting at MSRP refers to the base model, optional equipment not included. Pricing and offers may change at any time without notification. To get full pricing details, see your dealer.

All figures are EPA estimates. Actual mileage may vary.

Dealer Information
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