2018 Buick Lacrosse vs 2018 Chevrolet Impala

2018 Buick Lacrosse

2018 Chevrolet Impala

Select style

4-Door Sedan Avenir AWD

Style	MPG City	MPG Hwy	Invoice	MSRP
LaCrosse 4-Door Sedan Avenir AWD	20	29	$45,187	$47,070
LaCrosse 4-Door Sedan Avenir FWD	21	30	$43,075	$44,870
LaCrosse 4-Door Sedan Essence AWD	20	29	$39,427	$41,070
LaCrosse 4-Door Sedan Essence FWD	25	35	$34,915	$36,370
LaCrosse 4-Door Sedan FWD	25	35	$29,417	$29,565
LaCrosse 4-Door Sedan Preferred FWD	25	35	$32,323	$33,670
LaCrosse 4-Door Sedan Premium AWD	20	29	$41,731	$43,470
LaCrosse 4-Door Sedan Premium FWD	25	35	$37,123	$38,670

Select style

4-Door Sedan LS w/1LS

Style	MPG City	MPG Hwy	Invoice	MSRP
Impala 4-Door Sedan LS w/1LS	22	30	$26,779	$27,895
Impala 4-Door Sedan LT w/1LT	22	30	$29,203	$30,420
Impala 4-Door Sedan Premier w/2LZ	19	28	$35,155	$36,620

Show Only Differences

Pricing

Invoice Price

$45,187

$26,779

Manufacturer Suggested Retail Price

$47,070

$27,895

Monthly Payment Estimate

$785 / month

$465 / month

The Car Connection's Take

TCC Rating

6.8

Read Our Full Review

6.7

Read Our Full Review

TCC’s Bottom Line

The 2018 Buick LaCrosse is a proper flagship, a refined and comfortable sedan with only a few quirks.

The 2018 Chevrolet Impala adds better base equipment this year for good value among full-sizers.

TCC Likes

Elegant styling inside and out
Good infotainment system
Silent cruiser

Sharp exterior
Better base infotainment
Quality ride

TCC Dislikes

Advanced safety tech is pricey
Odd trim level walk
Not as roomy inside as its size would suggest

No hybrid powertrain
Interior is too busy
Back seat head room may bother some

Fuel Economy

City

20 mpg

22 mpg

Highway

29 mpg

30 mpg

Vehicle

EPA Classification

Midsize Cars

Large Cars

Interior Dimensions

Second Head Room (in)

37.20

37.40

Second Shoulder Room (in)

56.60

56.90

Front Leg Room (in)

42.00

45.80

Passenger Capacity

Front Hip Room (in)

54.80

54.90

Second Leg Room (in)

38.00

39.80

Front Head Room (in)

38.40

39.90

Second Hip Room (in)

55.10

54.10

Front Shoulder Room (in)

57.70

57.90

Passenger Volume (ft³)

102.0

105

Exterior Dimensions

Min Ground Clearance (in)

- TBD -

Length, Overall (in)

197.50

201.30

Height, Overall (in)

57.50

58.90

Track Width, Rear (in)

63.10

62.00

Wheelbase (in)

114.4

111.70

Liftover Height (in)

- TBD -

Width, Max w/o mirrors (in)

73.50

73.00

Track Width, Front (in)

62.90

62.20

Cargo Area Dimensions

Trunk Volume (ft³)

15.00

18.8

Brakes

Disc - Rear (Yes or )

Yes

Rear Brake Rotor Diam x Thickness (in)

11.3 x - TBD -

12.4 x 0.9

Brake Type

Pwr

Rear Drum Diam x Width (in)

Disc - Front (Yes or )

Yes

Front Brake Rotor Diam x Thickness (in)

12.6 x - TBD -

12.6 x 1.2

Drum - Rear (Yes or )

Brake ABS System

4-Wheel

Fuel Tank

Fuel Tank Capacity, Approx (gal)

15.8

18.5

Steering

Turning Diameter - Curb to Curb (ft)

38.0

38.8

Steering Type

Pwr

Electric Rack & Pinion

Lock to Lock Turns (Steering)

2.75

2.73

Turning Diameter - Wall to Wall (ft)

- TBD -

Steering Ratio (:1), Overall

15.2

Tires

Front Tire Size

P245/45R19

P235/50R18

Spare Tire Size

T125/70R17

Front Tire Order Code

RLE

QGK

Spare Tire Order Code

QCL

Rear Tire Size

P245/45R19

P235/50R18

Rear Tire Order Code

RLE

QGK

Trailering

Dead Weight Hitch - Max Tongue Wt. (lbs)

100

Wt Distributing Hitch - Max Tongue Wt. (lbs)

100

Dead Weight Hitch - Max Trailer Wt. (lbs)

1000

Wt Distributing Hitch - Max Trailer Wt. (lbs)

1000

Weight Information

Base Curb Weight (lbs)

3840

- TBD -

Wheels

Spare Wheel Size (in)

17 x - TBD -

Rear Wheel Material

Aluminum

Steel

Rear Wheel Size (in)

19 x - TBD -

18 x - TBD -

Front Wheel Material

Aluminum

Steel

Spare Wheel Material

Steel

Front Wheel Size (in)

19 x - TBD -

18 x - TBD -

Cooling System

Total Cooling System Capacity (qts)

7.6

7.5

Electrical

Cold Cranking Amps @ 0° F (Primary)

512

800

Maximum Alternator Capacity (amps)

150

Engine

Displacement

3.6L/- TBD -

2.5L/150

SAE Net Horsepower @ RPM

310 @ 6800

197 @ 6300

Engine Type

Gas V6

Gas I4

Fuel System

Direct Injection

SAE Net Torque @ RPM

268 @ 5200

191 @ 4400

Engine Order Code

LGX

LCV

Mileage

EPA Fuel Economy Est - City (MPG)

Fuel Economy Est-Combined (MPG)

EPA Fuel Economy Est - Hwy (MPG)

Transmission

Trans Type

Drivetrain

All Wheel Drive

Front Wheel Drive

Fifth Gear Ratio (:1)

- TBD -

1.00

Trans Description Cont. Again

Reverse Ratio (:1)

- TBD -

2.94

Eighth Gear Ratio (:1)

- TBD -

Second Gear Ratio (:1)

- TBD -

2.96

Trans Order Code

M3G

MHG

Final Drive Axle Ratio (:1)

2.90

3.23

Fourth Gear Ratio (:1)

- TBD -

1.45

Trans Description Cont.

Automatic

Sixth Gear Ratio (:1)

- TBD -

0.75

Seventh Gear Ratio (:1)

- TBD -

First Gear Ratio (:1)

- TBD -

4.58

Clutch Size (in)

Ninth Gear Ratio (:1)

- TBD -

Third Gear Ratio (:1)

- TBD -

1.91

Summary

Body Style

Sedan

Vehicle Name

Buick LaCrosse

Chevrolet Impala

Suspension

Stabilizer Bar Diameter - Front (in)

- TBD -

1.1

Suspension Type - Rear

Multi-Link

Suspension Type - Rear (Cont.)

w/Coil Springs

Shock Absorber Diameter - Rear (mm)

N/A

Suspension Type - Front

MacPherson Strut

Stabilizer Bar Diameter - Rear (in)

- TBD -

Suspension Type - Front (Cont.)

Shock Absorber Diameter - Front (mm)

N/A

Emissions

EPA Greenhouse Gas Score

Tons/yr of CO2 Emissions @ 15K mi/year

7.7

7.1

Crash Test Ratings

Overall Rating

Overall Frontal Barrier Crash Rating

Frontal Barrier Crash Rating Driver

Frontal Barrier Crash Rating Passenger

Overall Side Crash Rating

Side Barrier Rating

Side Barrier Rating Driver

Side Barrier Rating Passenger Rear Seat

Side Pole Rating Driver Front Seat

Combined Side Rating Front Seat

Combined Side Rating Rear Seat

Rollover Rating

Get FREE Dealer Quotes

From dealers near you

Go!

Compare 2018 Buick Lacrosse vs 2018 Chevrolet Impala

Get FREE Dealer Quotes

Add a Vehicle to Compare