2019 Genesis G80 vs. 2019 Chevrolet Impala

Detailed Review, Specifications & Comparison

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Safety

For enhanced safety, the front and rear seat shoulder belts of the Genesis G80 have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The Chevrolet Impala doesn’t offer pretensioners for the rear seat belts.

The G80’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Impala doesn’t offer pre-crash pretensioners.

The G80 has standard Anti-Whiplash Front Head Restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Anti-Whiplash Front Head Restraints system moves the headrests forward to prevent neck and spine injuries. The Impala doesn’t offer a whiplash protection system.

The G80 offers all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The Impala doesn’t offer all-wheel drive.

The G80 offers optional Parking Assist System to help warn the driver about vehicles, pedestrians or other obstacles behind or in front of their vehicle. The Impala doesn’t offer a front parking aid.

The G80’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Impala doesn’t offer a driver alert monitor.

Both the G80 and the Impala have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver knee airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights and rearview cameras.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Genesis G80 is safer than the Chevrolet Impala:

 

G80

Impala

 

Driver

STARS

5 Stars

5 Stars

HIC

97

229

Neck Injury Risk

21%

23.3%

Neck Compression

22 lbs.

30 lbs.

 

Passenger

STARS

5 Stars

4 Stars

HIC

180

412

Chest Compression

.4 inches

.4 inches

Neck Injury Risk

35%

36.3%

Neck Stress

129 lbs.

132 lbs.

Neck Compression

44 lbs.

97 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

A significantly tougher test than their original offset frontal crash test, the Insurance Institute for Highway Safety does 40 MPH small overlap frontal offset crash tests. In this test, where only 25% of the total width of the vehicle is struck, results indicate that the Genesis G80 is safer than the Impala:

 

G80

Impala

Overall Evaluation

GOOD

ACCEPTABLE

Restraints

GOOD

ACCEPTABLE

Head Neck Evaluation

GOOD

GOOD

Peak Head Forces

0 G’s

0 G’s

Steering Column Movement Rearward

0 cm

1 cm

Chest Evaluation

GOOD

GOOD

Hip & Thigh Evaluation

GOOD

GOOD

Hip & Thigh Injury Risk R/L

0%/0%

0%/0%

Lower Leg Evaluation

GOOD

GOOD

Tibia index R/L

.54/.31

.68/.32

The National Highway Traffic Safety Administration does side impact tests on new vehicles. In this test, which crashes the vehicle into a flat barrier at 38.5 MPH and into a post at 20 MPH, results indicate that the Genesis G80 is safer than the Chevrolet Impala:

 

G80

Impala

 

Front Seat

STARS

4 Stars

4 Stars

Chest Movement

1.3 inches

1.3 inches

Hip Force

197 lbs.

332 lbs.

 

Rear Seat

STARS

5 Stars

5 Stars

HIC

88

150

Spine Acceleration

31 G’s

40 G’s

Hip Force

394 lbs.

855 lbs.

 

Into Pole

STARS

5 Stars

5 Stars

Max Damage Depth

10 inches

13 inches

HIC

230

315

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

For its top level performance in IIHS driver-side small overlap frontal, moderate overlap frontal, side impact, rear impact and roof-crush tests, with its optional front crash prevention system, its “Good” rating in the new passenger-side small overlap crash test, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the G80 its highest rating: “Top Pick Plus” for 2018, a rating granted to only 28 vehicles tested by the IIHS. The Impala was not even a standard “Top Pick” for 2018.

Warranty

The G80 comes with a full 5-year/60,000-mile basic warranty, which covers the entire car and includes free 24-hour roadside assistance. The Impala’s 3-year/36,000-mile basic warranty expires 2 years and 24,000 miles sooner.

Genesis’ powertrain warranty covers the G80 5 years and 40,000 miles longer than Chevrolet covers the Impala. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the Impala ends after only 5 years or 60,000 miles.

The G80’s corrosion warranty is 1 year and unlimited miles longer than the Impala’s (7/unlimited vs. 6/100,000).

Genesis pays for scheduled maintenance on the G80 for 1 year and 12000 miles longer than Chevrolet pays for maintenance for the Impala (3/36,000 vs. 2/24,000).

Reliability

The battery on the G80 is in the trunk, which protects it from hot underhood temperatures that can degrade battery life. By keeping the G80’s battery 20 to 30 degrees cooler, its life is increased by years. The Impala’s battery is in the hot engine compartment.

J.D. Power and Associates rated the G80 second among midsize premium cars in their 2018 Initial Quality Study. The Impala isn’t in the top three in its category.

J.D. Power and Associates’ 2018 Initial Quality Study of new car owners surveyed provide the statistics that show that Genesis vehicles are better in initial quality than Chevrolet vehicles. J.D. Power ranks Genesis first in initial quality, above the industry average. With 14 more problems per 100 vehicles, Chevrolet is ranked 6th.

Engine

The G80 has more powerful engines than the Impala:

 

Horsepower

Torque

G80 3.8 DOHC V6

311 HP

293 lbs.-ft.

G80 3.3T Sport 3.3 turbo V6

365 HP

376 lbs.-ft.

G80 5.0 DOHC V8

420 HP

383 lbs.-ft.

Impala 2.5 DOHC 4 cyl.

197 HP

191 lbs.-ft.

Impala 3.6 DOHC V6

305 HP

264 lbs.-ft.

As tested in Car and Driver the G80 3.3T Sport is faster than the Chevrolet Impala V6:

 

G80

Impala

Zero to 60 MPH

5 sec

6 sec

Zero to 100 MPH

12.5 sec

15.5 sec

5 to 60 MPH Rolling Start

5.7 sec

6.2 sec

Quarter Mile

13.6 sec

14.8 sec

Speed in 1/4 Mile

104 MPH

97 MPH

Fuel Economy and Range

The G80 has 1.8 gallons more fuel capacity than the Impala (20.3 vs. 18.5 gallons), for longer range between fill-ups.

Transmission

An eight-speed automatic is standard on the Genesis G80, for better acceleration and lower engine speed on the highway. Only a six-speed automatic is available for the Impala.

Brakes and Stopping

For better stopping power the G80’s brake rotors are larger than those on the Impala:

 

G80 3.8

G80 3.3T Sport

Impala

Front Rotors

13.6 inches

14.2 inches

12.6 inches

Rear Rotors

12.4 inches

13 inches

12.4 inches

The G80 3.3T Sport’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the Impala are solid, not vented.

The G80 stops much shorter than the Impala:

 

G80

Impala

 

70 to 0 MPH

167 feet

178 feet

Car and Driver

60 to 0 MPH

114 feet

119 feet

Motor Trend

Tires and Wheels

For better traction, the G80 has larger standard tires than the Impala (245/45R18 vs. 235/50R18).

The G80 3.8’s standard tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the Impala’s standard 50 series tires. The G80’s optional 275/35R19 rear tires have a lower 35 series profile than the Impala Premier’s optional 40 series tires.

Suspension and Handling

The G80 offers an available driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads. The Impala’s suspension doesn’t offer adjustable shock absorbers.

For a smoother ride and more stable handling, the G80’s wheelbase is 6.8 inches longer than on the Impala (118.5 inches vs. 111.7 inches).

For better handling and stability, the average track (width between the wheels) on the G80 is 1.7 inches wider in the front and 2.8 inches wider in the rear than the track on the Impala.

The G80 5.0 handles at .88 G’s, while the Impala Premier pulls only .83 G’s of cornering force in a Motor Trend skidpad test.

The G80 3.8 AWD executes Motor Trend’s “Figure Eight” maneuver quicker than the Impala Premier (26.2 seconds @ .69 average G’s vs. 27.1 seconds @ .68 average G’s).

For better maneuverability, the G80’s turning circle is 2.6 feet tighter than the Impala’s (36.2 feet vs. 38.8 feet). The G80’s turning circle is 1.4 feet tighter than the Impala’s (37.4 feet vs. 38.8 feet).

Chassis

The G80 is 4.8 inches shorter than the Impala, making the G80 easier to handle, maneuver and park in tight spaces.

Passenger Space

The G80 has 2.7 cubic feet more passenger volume than the Impala (107.7 vs. 105).

The G80 has 1.2 inches more front headroom, .8 inches more front hip room, .4 inches more front shoulder room, .8 inches more rear headroom, .7 inches more rear hip room and .2 inches more rear shoulder room than the Impala.

Cargo Capacity

A low lift-over trunk design makes loading and unloading the G80 easier. The G80’s trunk lift-over height is 27.5 inches, while the Impala’s liftover is 29.4 inches.

With its sedan body style, valet key and remote trunk release lockout, the G80 offers cargo security. The Impala’s non-lockable folding seat and non-lockable remote release defeat cargo security.

To make loading and unloading groceries and cargo easier when your hands are full, just waiting momentarily behind the back bumper can open the G80’s trunk, leaving your hands completely free. The G80 also offers an optional power trunk, which opens and closes automatically by pressing a button. The Impala doesn’t offer a power or hands-free opening trunk.

Servicing Ease

The engine in the G80 is mounted longitudinally (North-South), instead of sideways, as in the Impala. This makes it easier to service and maintain, because there are no rear spark plugs and the accessory belts are in front.

Ergonomics

The G80 offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Impala doesn’t offer a heads-up display.

The G80’s front and rear power windows all open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The Impala’s passenger windows don’t close automatically.

The G80 has a standard locking fuel door with a remote release located convenient to the driver. A locking fuel door helps prevent vandalism, such as sugar in the tank and fuel theft. The Impala doesn’t offer a locking fuel door.

The G80’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The Impala’s manually variable intermittent wipers have to be constantly adjusted.

The Insurance Institute for Highway Safety (IIHS) conducts detailed tests on headlights for their range both straight ahead and in curves and to be certain they don’t exceed acceptable amounts of glare to oncoming drivers. The G80’s standard headlights were rated “Acceptable” by the IIHS, while the Impala’s headlights are rated “Poor.”

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The G80 3.8 AWD offers available headlight washers to keep headlight output high. The Impala doesn’t offer headlight washers.

While driving with high beams on, sensitive light sensors standard on the G80 detect other vehicles which could be blinded and automatically switch to low beams. The Impala doesn’t offer automatic dimming high beams.

To help drivers see further while navigating curves, the G80 offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The Impala doesn’t offer cornering lights.

A power rear sunshade is optional in the G80 to help block heat and glare for the rear passengers. The Impala doesn’t offer a rear sunshade.

The G80’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Chevrolet only offers heated mirrors on the Impala LT/Premier.

When the G80 is put in reverse, both rearview mirrors tilt from their original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirrors into their original positions. The Impala’s mirrors don’t automatically adjust for backing.

The G80 has standard heated front seats. Heated front seats cost extra on the Impala, and aren’t available on the Impala LS. The G80 also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the Impala.

The G80 has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning is only available on the Impala LT/Premier.

Economic Advantages

Insurance will cost less for the G80 owner. The Car Book by Jack Gillis rates the G80 with a number “” insurance rate while the Impala is rated higher at a number “3” rate.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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