2018 Chevrolet Impala Specifications
Compare important 2018 Chevrolet Impala technical specifications like exterior dimensions, ground clearance, wheelbase, interior space volume, engine's power as measured by horsepower and torque output, weight of the vehicle, towing & payload capacity or gas tank size to know the estimated mpg.
| Trims |
LS w/1LS 4dr Sedan, Engine: 2.5L I-4 |
LT w/1LT 4dr Sedan, Engine: 2.5L I-4 |
Premier w/2LZ 4dr Sedan, Engine: 3.6L V-6 |
| Exterior length |
201.3 |
201.3 |
201.3 |
| Exterior body width |
73.0 |
73.0 |
73.0 |
| Exterior height |
58.9 |
58.9 |
58.9 |
| Horsepower |
197 hp |
197 hp |
305 hp |
| Torque |
191 lb-ft. |
191 lb-ft. |
264 lb-ft. |
| Curb weight |
3662 |
3682 |
3867 |
| Wheelbase |
111.7 |
111.7 |
111.7 |
| Turning radius |
19.3 '' |
19.3 '' |
19.3 '' |
| Front legroom |
45.8 |
45.8 |
45.8 |
| Rear legroom |
39.8 |
39.8 |
39.8 |
| Front headroom |
40 |
40 |
40 |
| Rear headroom |
37 |
37 |
37 |
| Front hip room |
55 |
55 |
55 |
| Rear hip room |
54 |
54 |
54 |
| Front shoulder room |
58 |
58 |
58 |
| Rear shoulder room |
57 |
57 |
57 |
| Fuel tank |
18.5 gal. |
18.5 gal. |
18.5 gal. |
2018 Chevrolet Impala Interior Features
One of the most notable features of the Impala, however, is its roomy interior. The 2018 Chevrolet Impala comes with a variety of specs on the inside. You can find out more about these features in the chart below.
| Trims |
LS w/1LS 4dr Sedan, Engine: 2.5L I-4 |
LT w/1LT 4dr Sedan, Engine: 2.5L I-4 |
Premier w/2LZ 4dr Sedan, Engine: 3.6L V-6 |
| Air conditioning, front |
automatic |
dual zone automatic |
dual zone automatic |
| Air filter |
std |
std |
std |
| Underseat ducts |
std |
std |
std |
| Cargo concealed storage |
std |
std |
std |
| Clock |
in-radio display |
in-radio display |
in-radio display |
| Compass |
std |
std |
std |
| Cruise control |
std |
std |
std |
| Cupholders |
front and rear |
front and rear |
front and rear |
| Gear shift knob trim |
urethane |
leather/chrome |
leather/chrome |
| 12V DC power outlet |
2 |
2 |
2 |
| Overhead console |
mini |
mini |
mini |
| Floor console |
full |
full |
full |
| Floor mats |
carpeted front and rear |
carpeted front and rear |
carpeted front and rear |
| Front windows |
power |
power |
power |
| Rear windows |
power |
power |
power |
| 1-touch window up |
driver |
driver |
driver |
| 1-touch window down |
front and rear |
front and rear |
front and rear |
| Programmable garage door opener |
N/A |
opt |
std |
| Instrumentation |
analog |
analog |
analog |
| Tachometer |
std |
std |
std |
| Trip computer |
std |
std |
std |
| Water temp gauge |
std |
std |
std |
| Low fuel warning |
std |
std |
std |
| Service interval warning |
std |
std |
std |
| Illuminated vanity mirrors |
driver and passenger |
driver and passenger |
driver and passenger |
| Rear window defogger |
std |
std |
std |
| Rear view mirror |
day-night |
day-night |
day-night |
| Remote trunk release |
power |
power |
power |
| Retained accessory power |
std |
std |
std |
| Seatback storage pockets |
2 |
2 |
2 |
| Tilt-Wheel adjustable steering column |
std |
std |
std |
| Steering wheel material |
urethane |
leather/metal-look |
leather/metal-look |
| Cargo net |
opt |
opt |
std |
| Adaptive cruise control |
N/A |
N/A |
opt |
2018 Chevrolet Impala Exterior Features
Would you like to grasp the idea which 2018 Chevrolet Impala trim level is better equipped with such little cool exterior features like fog lights, spoiler, mud flaps, sunroof, roof racks, running boards, etc? Check out the full list of these additional features below.
| Trims |
LS w/1LS 4dr Sedan, Engine: 2.5L I-4 |
LT w/1LT 4dr Sedan, Engine: 2.5L I-4 |
Premier w/2LZ 4dr Sedan, Engine: 3.6L V-6 |
| Antenna |
window grid |
window grid |
window grid |
| Body material |
galvanized steel/aluminum |
galvanized steel/aluminum |
galvanized steel/aluminum |
| Paint |
clearcoat monotone |
clearcoat monotone |
clearcoat monotone |
| Grille trim |
chrome |
chrome |
chrome |
| Door count |
4 doors |
4 doors |
4 doors |
| Rear cargo door |
trunk |
trunk |
trunk |
| Tinted windows |
light |
light |
light |
| Rear window type |
fixed |
fixed |
fixed |
| Mirrors |
dual power remote |
dual power remote |
dual power remote |
| Heated door mirrors |
N/A |
std |
std |
| Sunroof |
N/A |
1st and 2nd row exterior express open/close sliding and tilting glass |
1st and 2nd row exterior express open/close sliding and tilting glass |
| Spoiler |
lip |
lip |
lip |
| Wheels |
18 steel |
18 painted aluminum |
19 machined aluminum |
| Spare tire and wheel |
compact steel |
compact steel |
compact steel |
| Mud flaps |
opt |
opt |
opt |
| Mirrors, auto dimming |
N/A |
N/A |
driver |
2018 Chevrolet Impala Seats
The seats are one of the most important aspects of any car, and each 2018 Chevrolet Impala trim level may have different seating options, so be sure to carefully compare the specifications. Some trims have leather upholstery, "memory", armrest, heated seats, and some have them only for the front passengers, while other provide them for the rear seats two.
| Trims |
LS w/1LS 4dr Sedan, Engine: 2.5L I-4 |
LT w/1LT 4dr Sedan, Engine: 2.5L I-4 |
Premier w/2LZ 4dr Sedan, Engine: 3.6L V-6 |
| Front seat type |
bucket |
bucket |
bucket |
| Standard seating |
5 |
5 |
5 |
| Front driver seat direction controls |
8-way power |
8-way power |
8-way power |
| Front passenger seat direction controls |
4-way |
4-way |
8-way power |
| Lumbar support |
driver |
driver and passenger |
driver and passenger |
| Front armrests |
center |
center |
center |
| Front head restraints |
adjustable |
adjustable w/tilt |
adjustable w/tilt |
| Heated front seats |
N/A |
driver and front passenger heated-cushion, heated-seatback |
driver and front passenger heated-cushion, heated-seatback |
| Memory |
N/A |
N/A |
driver |
| Rear seats |
60-40 split-bench |
60-40 split-bench |
60-40 split-bench |
| Rear armrest |
std |
std |
std |
| Rear head restraints |
2 - adjustable |
2 - adjustable |
2 - adjustable |
| Seat trim |
cloth/leatherette |
cloth/leatherette |
leather |
| Cooled front seats |
N/A |
N/A |
driver and passenger |
2018 Chevrolet Impala Entertainment System
Some 2018 Chevrolet Impala trim levels have a built-in DVD player, voice recognition, while others have a touch screen display, bluetooth compatibility, navigation system. There are also a variety of different audio options, so be sure to compare the trim levels carefully to find the one that best suits your needs.
| Trims |
LS w/1LS 4dr Sedan, Engine: 2.5L I-4 |
LT w/1LT 4dr Sedan, Engine: 2.5L I-4 |
Premier w/2LZ 4dr Sedan, Engine: 3.6L V-6 |
| Radio |
SiriusXM AM/FM/Satellite, seek-scan |
SiriusXM AM/FM/Satellite, seek-scan |
SiriusXM AM/FM/Satellite, seek-scan |
| CD player |
N/A |
single |
in-dash mounted single |
| MP3 capability |
N/A |
opt |
std |
| Auxiliary input jack |
std |
std |
std |
| Steering wheel audio controls |
std |
std |
std |
| Voice recognition |
std |
std |
std |
| Speakers |
6 |
6 |
11 Bose |
| Amplifier |
N/A |
opt |
std |
| Speed-Sensitive Volume |
std |
std |
std |
| Navigation system |
N/A |
yes with voice activation |
yes with voice activation |
| 1st row LCD screen |
2 |
2 |
2 |
| Bluetooth Compatibility |
std |
std |
std |
| Equalizer |
automatic |
automatic |
automatic |
2018 Chevrolet Impala Safety and Security Features
Each 2018 Chevrolet Impala trim comes with a variety of safety and security features that will keep you and your family safe while on the road. Some of these features include airbags, traction control, stability control, side impact, panic alarm, blind spot sensors, parking assist, and more.
| Trims |
LS w/1LS 4dr Sedan, Engine: 2.5L I-4 |
LT w/1LT 4dr Sedan, Engine: 2.5L I-4 |
Premier w/2LZ 4dr Sedan, Engine: 3.6L V-6 |
| Airbags, frontal |
driver and front passenger |
driver and front passenger |
driver and front passenger |
| Airbags, side impact |
seat mounted, driver and passenger |
seat mounted, driver and passenger |
seat mounted, driver and passenger |
| Airbags, side curtain |
curtain 1st and 2nd row |
curtain 1st and 2nd row |
curtain 1st and 2nd row |
| Occupancy sensor |
std |
std |
std |
| Traction control |
ABS and driveline |
ABS and driveline |
ABS and driveline |
| Seatbelt pre-tensioners |
front |
front |
front |
| Headlights |
halogen |
halogen |
high intensity low/high beam |
| Exterior light control |
fully automatic |
fully automatic |
fully automatic |
| Delay-off headlamps |
std |
std |
std |
| Daytime running lights |
std |
std |
std |
| Illuminated entry |
std |
std |
std |
| Remote keyless entry |
keyfob (all doors) |
keyfob (all doors) |
keyfob (all doors) |
| Keyless access system |
std |
std |
std |
| Panic alarm |
std |
std |
std |
| Door locks |
power with 2 stage unlock |
power with 2 stage unlock |
power with 2 stage unlock |
| Content theft deterrent alarm system |
N/A |
N/A |
std |
| Ignition disable |
std |
std |
std |
| Theft deterrent radio |
std |
std |
std |
| Low tire pressure warning |
std |
std |
std |
| Parking assist |
N/A |
Rear Park Assist |
Rear Park Assist |
| Airbags, knee protection |
driver and passenger |
driver and passenger |
driver and passenger |
| Lane departure warning |
N/A |
opt |
opt |
| Blind spot sensor |
N/A |
opt |
std |
| In-Vehicle Assistance Service |
OnStar Guidance |
OnStar Guidance |
OnStar Guidance |
| Stolen vehicle tracking |
std |
std |
std |
| Automatic Crash Response (airbags and/or sensors) |
OnStar Guidance |
OnStar Guidance |
OnStar Guidance |
| Emergency Services |
OnStar Guidance |
OnStar Guidance |
OnStar Guidance |
| Crisis Assist |
OnStar Guidance |
OnStar Guidance |
OnStar Guidance |
| Stolen Vehicle Assistance |
OnStar Guidance |
OnStar Guidance |
OnStar Guidance |
| Remote Door Unlock |
OnStar Guidance |
OnStar Guidance |
OnStar Guidance |
| Roadside Assistance |
OnStar Guidance |
OnStar Guidance |
OnStar Guidance |
| Remote Horn and Lights |
OnStar Guidance |
OnStar Guidance |
OnStar Guidance |
| Hands-Free Calling |
OnStar Guidance |
OnStar Guidance |
OnStar Guidance |
| Vehicle Diagnostics |
OnStar Guidance |
OnStar Guidance |
OnStar Guidance |
2018 Chevrolet Impala Mechanical Features
The 2018 Chevrolet Impala will have different mechanical features depending on the trim level that you choose. Some of the other features that you may find in the higher-level trim levels include air suspension, brake assist, speed sensitive steering, an electronic limited slip differential, a performance exhaust system.
| Trims |
LS w/1LS 4dr Sedan, Engine: 2.5L I-4 |
LT w/1LT 4dr Sedan, Engine: 2.5L I-4 |
Premier w/2LZ 4dr Sedan, Engine: 3.6L V-6 |
| Engine |
2.5L I-4 |
2.5L I-4 |
3.6L V-6 |
| Brakes |
4-wheel disc |
4-wheel disc |
4-wheel disc |
| Anti-lock braking system (ABS) |
4-wheel |
4-wheel |
4-wheel |
| Brake assist |
std |
std |
std |
| Drive type |
front-wheel |
front-wheel |
front-wheel |
| Exhaust |
stainless steel |
stainless steel |
stainless steel |
| Steering |
rack and pinion |
rack and pinion |
rack and pinion |
| Speed sensitive steering |
std |
std |
std |
| Suspension tuning |
regular |
regular |
regular |
| Front suspension type |
strut |
strut |
strut |
| Front anti-roll bar |
std |
std |
std |
| Front shocks |
gas-pressurized |
gas-pressurized |
gas-pressurized |
| Front springs |
coil |
coil |
coil |
| Rear suspension type |
multi-link |
multi-link |
multi-link |
| Rear anti-roll bar |
std |
std |
std |
| Rear shocks |
gas-pressurized |
gas-pressurized |
gas-pressurized |
| Rear springs |
coil |
coil |
coil |
| Electronic stability system |
StabiliTrak |
StabiliTrak |
StabiliTrak |
| Sequential shift control |
N/A |
N/A |
std |
| Transmission |
6-spd auto w/OD |
6-spd auto w/OD |
6-spd auto w/OD |
| Axle ratio |
3.23 |
3.23 |
2.77 |
| Engine block heater |
opt |
opt |
opt |
| Remote vehicle starting system |
opt |
std |
std |
2018 Chevrolet Impala Other Specs
In general, the 2018 Chevrolet Impala lower-level trims will have fewer features. If you are looking for a vehicle that has all of the latest and greatest features, then you will want to choose one of the higher-level trim levels.
| Trims |
LS w/1LS 4dr Sedan, Engine: 2.5L I-4 |
LT w/1LT 4dr Sedan, Engine: 2.5L I-4 |
Premier w/2LZ 4dr Sedan, Engine: 3.6L V-6 |
| Luggage capacity |
18.8 cu.ft. |
18.8 cu.ft. |
18.8 cu.ft. |
| Maximum cargo capacity |
18.8 cu.ft. |
18.8 cu.ft. |
18.8 cu.ft. |
| Base engine size |
2.5 liters |
2.5 liters |
3.6 liters |
| Base engine type |
I-4 |
I-4 |
V-6 |
| Horsepower rpm |
6,300 |
6,300 |
6,800 |
| Torque rpm |
4,400 |
4,400 |
5,200 |
| EPA mileage estimates |
22 City / 30 Hwy |
22 City / 30 Hwy |
18 City / 28 Hwy |
| Driver information center |
std |
std |
std |
| Lighting - glovebox |
std |
std |
std |
| Lighting - map lights |
front and rear |
front and rear |
front and rear |
| Lighting - dome light |
fade |
fade |
fade |
| Lighting - cargo light |
std |
std |
std |
| Mirrors - visor vanity mirrors |
driver and passenger |
driver and passenger |
driver and passenger |
| Height adjustable safety belts |
front |
front |
front |
| Engine - valvetrain |
DOHC |
DOHC |
DOHC |
| Warranty - Basic (mths/miles) |
36/36,000 |
36/36,000 |
36/36,000 |
| Warrranty - Powertrain (mths/miles) |
60/60,000 |
60/60,000 |
60/60,000 |
| Warranty - Corrosion perforation (mths/miles) |
72/100,000 |
72/100,000 |
72/100,000 |
| Warranty - Roadside assistance (mths/miles) |
60/60,000 |
60/60,000 |
60/60,000 |
| Warranty - Maintenance (mths/miles) |
24/24,000 |
24/24,000 |
24/24,000 |
| Tires |
P235/50SR18.0 BSW AS |
P235/50SR18.0 BSW AS |
P245/45VR19.0 BSW AS |
| Windshield wipers - front |
variable intermittent |
variable intermittent |
variable intermittent |
| Bodyside moldings |
N/A |
N/A |
chrome |
| Maximum towing capacity |
1,000 lbs. |
1,000 lbs. |
1,000 lbs. |
