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what is the slowest 2018 sedan in 2018

The latest-generation Impala introduced for 2014 has already proven to be a significant improvement over its predecessor, and Chevrolet is content enough with the current model that 2018 doesn’t bring many significant changes. The biggest updates include three new exterior colors—Nightfall Gray Metallic, Graphite Metallic, and Cajun Red—and the addition of keyless ignition and a reversing camera as standard equipment. A Sunroof and Spoiler package has also been introduced, and more standard features have been added to each trim level.
Impala buyers have the choice between a 2.5-liter 4-cylinder engine or a 3.6-liter V6, both of which are paired with a 6-speed automatic transmission. The 4-cylinder makes 197 hp and 191 lb-ft of torque, while the V6 is much more potent at 305 hp and 264 lb-ft and can hit 60 mph in under 7 seconds. The EPA rates the 4-cylinder model at 22 mpg city, 30 highway, and 25 combined and the V6 at 18, 28, and 22. The engines feel a bit anachronistic compared to the current crop of smaller turbos, but buyers who really want to maximize economy could consider the similarly sized Chevy Malibu. The Impala has struts up front and a multi-link suspension at the rear, and it weighs in at around 3,800 pounds. All trims are front-wheel drive (FWD) and can be ordered with either the V6 or 4-cylinder engine.
For 2018, the base Impala LS trim now comes standard with a movable 8.0-inch touchscreen. The infotainment system is compatible with Apple CarPlay and Android Auto, and the screen slides upward to reveal an extra USB port and a lockable storage bin. Base models no longer feature solely cloth upholstery but instead the cloth/leatherette combo of mid-range Impalas. The LT trim adds standard LED daytime running lights, and the range-topping Premier now includes navigation, a universal home remote, a Bose Centerpoint Surround Sound system, wireless device charging, and a 120-volt power outlet. Premier models also receive leather seat upholstery and ambient lighting. A Convenience Package adds a heated steering wheel. All models come with air conditioning, a power-adjustable front seat, and cruise control. Standalone options include 19- or 20-inch wheels, ventilated seats, a power passenger’s seat, an 11-speaker Bose sound system, a sunroof, and navigation.
Cargo space for the Impala stands at an impressive 18.8 cubic feet, and there are a fair number of cubbies, storage bins, and cupholders throughout the cabin. 4-cylinder models feature active noise cancellation, while the more expensive trims come with thicker glass and extra sound-deadening material.
A reversing camera is now standard across the Impala range, and available safety features include blind-spot monitoring, lane-departure warning, adaptive cruise control, and forward-collision warning with automatic emergency braking. In crash testing, the National Highway Traffic and Safety Association (NHTSA) gave the 2018 Impala a 5-star overall rating, while the Insurance Institute for Highway Safety (IIHS) awarded the 2017 model Good scores in all areas except the small frontal-overlap test.
While a basic Impala LS starts at just under $28,000, a Premier model loaded with options can run over $40,000. Competitors include the Ford Taurus, Hyundai Azera, Toyota Avalon, Nissan Maxima, and Buick Lacrosse. While it’s a clear upgrade over its predecessor, the current Impala still doesn’t rank ahead of any of its competitors and is somewhat lacking in features—especially considering its price. Even so, the 2018 model proves that Chevrolet is attempting to address these shortcomings, with more standard features than ever to help keep it competitive.
what is the slowest 2018 sedan in 2018
My car rattles in the front...sounds like it comes from engine block...but also was told it was the cat. Someone pointed out that around the top of front cat that the heat shield or gasket may need changed. There was some black soot just on the top part. Could that be fixed without changing the whole front cat? Need help !
My 2018 Chevy impala has just over 20000 miles on it. It recently has needing to be jumped every tine I turn it off. What could it be?
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Air Conditioning
Single front air conditioning zones
Airbags
Dual front airbags · Dual front knee airbags · Passenger airbag deactivation: occupant sensing deactivation · Front side airbags · Rear side curtain airbags
Audio System
Antenna Type: mast · Voice recognition audio system · Bluetooth auxiliary audio input · IHeartRadio internet radio · AM/FM radio · Satellite Radio: SiriusXM · Total Number of Speakers: 6 · 100 watts
Brakes
ABS: 4-wheel · Braking assist: hill start assist · Front brake diameter: 12.6 · Front brake width: 1.2 · Front brakes: ventilated disc · Rear brake diameter: 12.4 · Rear brake width: 0.9 · Rear brakes: disc
Comfort Features
Armrests: rear center with cupholders · Floor Mat Material: carpet · Floor Material: carpet · Floor Mats: front · Shift knob trim: urethane · Steering wheel trim: urethane
Convenience Features
Assist handle: front · Center console: front console with armrest and storage · Cupholders: rear · Multi-function remote: proximity entry system · One-touch windows: 4 · Power outlet(s): 12V front · Power steering: speed-proportional · Power windows: lockout button · Reading lights: front · Rear power outlet: 12V · Steering wheel: tilt and telescopic · Steering wheel mounted controls: cruise controls · Storage: bin · Vanity mirrors: dual illuminating
Driver Seat
Adjustable lumbar support: power · Power adjustments: 8
Drivetrain
Axle ratio: 3.23
Engine
Alternator: 150 amps · Battery: 800 CCA
Exterior Features
Door handle color: body-color · Exhaust: hidden exhaust · Exhaust tip color: stainless-steel · Front bumper color: body-color · Grille color: black · Mirror color: body-color · Rear bumper color: body-color · Window trim: silver
Headrests
Front headrests: adjustable · Number of front headrests: 2 · Number of rear headrests: 2
In Car Entertainment
Connected in-car apps: app marketplace integration · Infotainment: MyLink · Infotainment screen size: 8 in.
Instrumentation
Fuel economy display: range · Instrument cluster screen size: 4.2 in. · Warnings and reminders: low oil level
Lights
Headlights: Halogen
Mirrors
Exterior mirrors: manual folding · Inside rearview mirror: manual day/night
Passenger Seat
Manual Adjustments: 4
Rear Seats
Type: 60-40 split bench
Safety
Camera system: rearview · Child seat anchors: LATCH system · Crumple zones: rear · Rearview monitor: in dash
Seatbelts
Emergency locking retractors: front and rear · Front seatbelts: 3-point · Seatbelt pretensioners: front · Seatbelt warning sensor: driver and passenger · Second row seatbelts: 3-point
Seats
Driver seat power adjustments: reclining · Front seat type: bucket · Passenger seat manual adjustments: reclining · Rear headrests: adjustable · Rear seat folding: split · Upholstery: premium cloth
Security
Power door locks: anti-lockout
Spare Tire
Mount Location: inside · Size: temporary
Spare Wheel
Rim Type: steel
Steering
Steering ratio: 15.2 · Turns lock-to-lock: 2.7
Suspension
Front Arm Type: lower control arms · Front Shock Type: twin-tube gas shock absorbers · Front Spring Type: coil springs · Front Stabilizer Bar: diameter 28 mm · Front Suspension Classification: independent · Front Suspension Type: MacPherson struts · Rear Shock Type: twin-tube gas shock absorbers · Rear Spring Type: coil springs · Rear Stabilizer Bar: diameter 16 mm · Rear Suspension Classification: independent · Rear Suspension Type: multi-link
Telematics
Driver assistance app: roadside assistance · Electronic messaging assistance: with read function · Phone wireless data link: Bluetooth · Satellite communications: Turn-by-Turn Navigation · Smart device app function: maintenance status · Wifi: hotspot
Tires
Type: all season
Tires and Rims
Wheels: steel
Wheels
Wheel covers: partial
Windows
Front wipers: intermittent · Laminated glass: acoustic
Air Conditioning
Single front air conditioning zones
Airbags
Dual front airbags · Dual front knee airbags · Passenger airbag deactivation: occupant sensing deactivation · Front side airbags · Front side curtain airbags
Audio System
Antenna Type: diversity · Voice recognition audio system · Auxiliary audio input: jack · Pandora internet radio · AM/FM radio · Satellite Radio: SiriusXM · Total Number of Speakers: 6 · 100 watts
Brakes
ABS: 4-wheel · Braking assist: hill start assist · Front brake diameter: 12.6 · Front brake width: 1.2 · Front brakes: ventilated disc · Rear brake diameter: 12.4 · Rear brake width: 0.9 · Rear brakes: disc
Comfort Features
Armrests: rear center with cupholders · Floor Mat Material: carpet · Floor Material: carpet · Floor Mats: front · Shift knob trim: urethane · Steering wheel trim: urethane
Convenience Features
Assist handle: rear · Center console: front console with armrest and storage · Cupholders: rear · Multi-function remote: proximity entry system · One-touch windows: 4 · Power outlet(s): 12V front · Power steering: speed-proportional · Power windows: lockout button · Reading lights: front · Rear power outlet: 12V · Steering wheel: tilt and telescopic · Steering wheel mounted controls: cruise controls · Storage: bin · Vanity mirrors: dual illuminating
Driver Seat
Adjustable lumbar support: power · Power adjustments: 8
Drivetrain
Axle ratio: 3.23
Engine
Alternator: 150 amps · Battery: maintenance-free
Exterior Features
Door handle color: body-color · Exhaust: hidden exhaust · Exhaust tip color: stainless-steel · Front bumper color: body-color · Grille color: black · Mirror color: body-color · Rear bumper color: body-color · Window trim: silver
Headrests
Front headrests: adjustable · Number of front headrests: 2 · Number of rear headrests: 2
In Car Entertainment
Connected in-car apps: app marketplace integration · Infotainment: MyLink · Infotainment screen size: 8 in.
Instrumentation
Fuel economy display: range · Instrument cluster screen size: 4.2 in. · Warnings and reminders: low oil level
Lights
Headlights: Auto on/off
Mirrors
Exterior mirrors: power · Inside rearview mirror: manual day/night
Passenger Seat
Manual Adjustments: 4
Rear Seats
Type: 60-40 split bench
Safety
Camera system: rearview · Child seat anchors: LATCH system · Crumple zones: front · Rearview monitor: in dash
Seatbelts
Emergency locking retractors: front and rear · Front seatbelts: 3-point · Seatbelt pretensioners: front · Seatbelt warning sensor: driver and passenger · Second row seatbelts: 3-point
Seats
Driver seat power adjustments: reclining · Front seat type: bucket · Passenger seat manual adjustments: reclining · Rear headrests: adjustable · Rear seat folding: split · Upholstery: premium cloth
Security
Power door locks: anti-lockout
Spare Tire
Mount Location: inside · Size: temporary
Spare Wheel
Rim Type: steel
Steering
Steering ratio: 15.2 · Turns lock-to-lock: 2.7
Suspension
Front Arm Type: lower control arms · Front Shock Type: twin-tube gas shock absorbers · Front Spring Type: coil springs · Front Stabilizer Bar: diameter 28 mm · Front Suspension Classification: independent · Front Suspension Type: MacPherson struts · Rear Shock Type: twin-tube gas shock absorbers · Rear Spring Type: coil springs · Rear Stabilizer Bar: diameter 16 mm · Rear Suspension Classification: independent · Rear Suspension Type: multi-link
Telematics
Driver assistance app: roadside assistance · Electronic messaging assistance: with read function · Phone wireless data link: Bluetooth · Satellite communications: OnStar · Smart device app function: maintenance status · Wifi: hotspot
Tires
Type: all season
Tires and Rims
Wheels: steel
Wheels
Wheel covers: partial
Windows
Front wipers: intermittent · Laminated glass: acoustic
Air Conditioning
Automatic climate control front air conditioning · Dual front air conditioning zones
Airbags
Dual front airbags · Dual front knee airbags · Passenger airbag deactivation: occupant sensing deactivation · Front side airbags · Front side curtain airbags
Audio System
Antenna Type: diversity · Voice recognition audio system · Bluetooth auxiliary audio input · Pandora internet radio · AM/FM radio · Satellite Radio: SiriusXM · Total Number of Speakers: 6 · 100 watts
Brakes
ABS: 4-wheel · Braking assist: hill start assist · Front brake diameter: 12.6 · Front brake width: 1.2 · Front brakes: ventilated disc · Rear brake diameter: 12.4 · Rear brake width: 0.9 · Rear brakes: disc
Comfort Features
Armrests: rear center with cupholders · Floor Mat Material: carpet · Floor Material: carpet · Floor Mats: front · Shift knob trim: leather · Steering wheel trim: leather
Convenience Features
Assist handle: rear · Center console: front console with armrest and storage · Cupholders: rear · Multi-function remote: keyless entry with panic alarm · One-touch windows: 4 · Power outlet(s): 12V front · Power steering: speed-proportional · Power windows: lockout button · Reading lights: front · Rear power outlet: 12V · Steering wheel: tilt and telescopic · Steering wheel mounted controls: phone · Storage: front seatback · Vanity mirrors: dual illuminating
Driver Seat
Adjustable lumbar support: power · Power adjustments: 8
Drivetrain
Axle ratio: 3.23
Engine
Alternator: 150 amps · Battery: maintenance-free
Exterior Features
Door handle color: body-color · Exhaust: hidden exhaust · Exhaust tip color: stainless-steel · Front bumper color: body-color · Grille color: black · Mirror color: body-color · Rear bumper color: body-color · Window trim: silver
Headrests
Adjustable rear headrests: foldable · Front headrests: adjustable · Number of front headrests: 2 · Number of rear headrests: 2
In Car Entertainment
Connected in-car apps: app marketplace integration · Infotainment: MyLink · Infotainment screen size: 8 in.
Instrumentation
Fuel economy display: range · Instrument cluster screen size: 4.2 in. · Warnings and reminders: low fuel level
Lights
Daytime running lights: LED · Exterior entry lights: puddle lamps · Headlights: Auto on/off
Mirrors
Exterior mirrors: integrated turn signals · Inside rearview mirror: manual day/night
Passenger Seat
Adjustable lumbar support: power · Manual Adjustments: 4
Rear Seats
Type: 60-40 split bench
Safety
Camera system: rearview · Child seat anchors: LATCH system · Crumple zones: front · Rearview monitor: in dash
Seatbelts
Emergency locking retractors: front · Front seatbelts: 3-point · Seatbelt pretensioners: front · Seatbelt warning sensor: driver and passenger · Second row seatbelts: 3-point
Seats
Driver seat power adjustments: reclining · Front seat type: bucket · Passenger seat manual adjustments: reclining · Rear seat folding: split · Upholstery: premium cloth · Upholstery accents: leatherette
Security
Power door locks: anti-lockout
Spare Tire
Mount Location: inside · Size: temporary
Spare Wheel
Rim Type: steel
Steering
Steering ratio: 15.2 · Turns lock-to-lock: 2.7
Suspension
Front Arm Type: lower control arms · Front Shock Type: twin-tube gas shock absorbers · Front Spring Type: coil springs · Front Stabilizer Bar: diameter 28 mm · Front Suspension Classification: independent · Front Suspension Type: MacPherson struts · Rear Shock Type: twin-tube gas shock absorbers · Rear Spring Type: coil springs · Rear Stabilizer Bar: diameter 16 mm · Rear Suspension Classification: independent · Rear Suspension Type: multi-link
Telematics
Driver assistance app: roadside assistance · Electronic messaging assistance: with voice recognition · Phone wireless data link: Bluetooth · Satellite communications: OnStar · Smart device app function: maintenance status · Wifi: hotspot
Tires
Type: all season
Tires and Rims
Wheels: painted aluminum
Windows
Front wipers: intermittent · Laminated glass: acoustic
Air Conditioning
Automatic climate control front air conditioning · Dual front air conditioning zones
Airbags
Dual front airbags · Dual front knee airbags · Passenger airbag deactivation: occupant sensing deactivation · Front side airbags · Front side curtain airbags
Audio System
Antenna Type: mast · Voice recognition audio system · Bluetooth auxiliary audio input · Single disc in-Dash CD · IHeartRadio internet radio · MP3 player: CD MP3 Playback · Premium Brand: Bose · Touch screen display radio · Satellite Radio: SiriusXM · 1 subwoofer · Total Number of Speakers: 10
Brakes
ABS: 4-wheel · Braking assist: hill start assist · Front brake diameter: 12.6 · Front brake width: 1.2 · Front brakes: ventilated disc · Rear brake diameter: 12.4 · Rear brake width: 0.9 · Rear brakes: disc
Comfort Features
Armrests: rear center with cupholders · Floor Mat Material: carpet · Floor Material: carpet · Floor Mats: front · Shift knob trim: leather · Steering wheel trim: leather
Convenience Features
Assist handle: rear · Center console: front console with armrest and storage · Cupholders: front · Multi-function remote: keyless entry with panic alarm · One-touch windows: 4 · Power outlet(s): 12V front · Power steering: speed-proportional · Power windows: lockout button · Reading lights: front · Rear power outlet: 12V · Steering wheel: tilt and telescopic · Steering wheel mounted controls: phone · Storage: bin · Vanity mirrors: dual illuminating
Driver Seat
Adjustable lumbar support: power · Power adjustments: 8
Drivetrain
Axle ratio: 2.77
Engine
Alternator: 150 amps · Battery: maintenance-free
Exterior Features
Door handle color: chrome · Exhaust: dual exhaust tips · Exhaust tip color: chrome · Front bumper color: body-color · Grille color: chrome surround · Mirror color: body-color · Rear bumper color: body-color · Window trim: silver
Headrests
Adjustable rear headrests: foldable · Front headrests: adjustable · Number of front headrests: 2 · Number of rear headrests: 2
In Car Entertainment
Connected in-car apps: app marketplace integration · Infotainment: Apply CarPlay ready · Infotainment screen size: 8 in.
Instrumentation
Fuel economy display: MPG · Instrument cluster screen size: 4.2 in. · Warnings and reminders: low oil level
Lights
Daytime running lights: LED · Exterior entry lights: puddle lamps · Headlights: auto delay off
Mirrors
Exterior mirrors: heated · Inside rearview mirror: manual day/night
Passenger Seat
Adjustable lumbar support: power · Power adjustments: 8
Rear Seats
Type: 60-40 split bench
Safety
Camera system: rearview · Child seat anchors: LATCH system · Cross Traffic Alert: rear · Crumple zones: front · Parking sensors: rear · Rearview monitor: in dash
Seatbelts
Emergency locking retractors: front · Front seatbelts: 3-point · Seatbelt pretensioners: front · Seatbelt warning sensor: driver and passenger · Second row seatbelts: 3-point
Seats
Driver seat power adjustments: reclining · Front seat type: bucket · Passenger seat power adjustments: reclining · Rear seat folding: split · Upholstery: leather-trimmed
Security
Power door locks: anti-lockout
Spare Tire
Mount Location: inside · Size: temporary
Spare Wheel
Rim Type: steel
Steering
Steering ratio: 15.2 · Turns lock-to-lock: 2.7
Suspension
Front Arm Type: lower control arms · Front Shock Type: twin-tube gas shock absorbers · Front Spring Type: coil springs · Front Stabilizer Bar: diameter 28 mm · Front Suspension Classification: independent · Front Suspension Type: MacPherson struts · Rear Shock Type: twin-tube gas shock absorbers · Rear Spring Type: coil springs · Rear Stabilizer Bar: diameter 16 mm · Rear Suspension Classification: independent · Rear Suspension Type: multi-link
Telematics
Driver assistance app: roadside assistance · Electronic messaging assistance: with voice recognition · Phone wireless data link: Bluetooth · Satellite communications: OnStar · Smart device app function: maintenance status · Wifi: hotspot
Tires
Type: all season
Tires and Rims
Wheel type: aluminum alloy
Windows
Front wipers: intermittent · Laminated glass: acoustic