Buick LaCrosse Buick LaCrosse 2018 Cadillac STS Cadillac STS 2006

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Buick LaCrosse vs. Cadillac STS Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Buick LaCrosse vs. Cadillac STS Invoice Comparison

Lowest Total Price: $43,195

Buick LaCrosse   
Difference: $6,930

Lowest Total Invoice: $41,323

Buick LaCrosse   
Difference: $4,301

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182018200620062006
ModelLaCrosseLaCrosseSTSSTSSTS
TrimBaseAvenirV6V8STS-V
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $33,665 $44,870 $41,020 $47,520 $73,070
Base Invoice $32,318 $43,075 $37,944 $43,956 $67,704
Sights and Sounds Package. 1,145        
Premium Group 5,000        
Panoramic sunroof 1,550        
Rear spoiler 415 415      
Engine-block heater 100 100 100 100 100
Metallic paint (extra cost) 395        
Preferred Equipment Group 1SC     8,285    
Preferred Equipment Group 1SF       10,740  
Sunroof         1,200
Sights and Sounds Package. 1,042        
Premium Group 4,800        
Panoramic sunroof 1,410        
Rear spoiler 378 378      
Engine-block heater 91 91 83 83 83
Metallic paint (extra cost) 359        
Preferred Equipment Group 1SC     6,877    
Preferred Equipment Group 1SF       8,914  
Sunroof         996
Options (change) 8,605 515 8,385 10,840 1,300
Options (change) 8,080 469 6,960 8,997 1,079
Destination 925 925 720 720 720
Gas Tax 0 0 0 0 2,100
Total Price $43,195 $46,310 $50,125 $59,080 $77,190
Total Invoice $41,323 $44,469 $45,624 $53,673 $71,603

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

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TrueDelta Value Comparison: Buick LaCrosse vs. Cadillac STS

Lowest Adjusted Price and Invoice: Buick LaCrosse
TrueDelta Adjusted Price Difference: $10,460
TrueDelta Adjusted Invoice Difference: $7,678
Model Year20182018200620062006
ModelLaCrosseLaCrosseSTSSTSSTS
TrimBaseAvenirV6V8STS-V
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine194hp I4 H310hp V6254hp V6320hp V8469hp V8
TransmissionT6T9T5T5T6
DrivetrainFWDFWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 11?, 11300, 15300, 15300, 15
Tire (rear if not all the same)235/50-18245/45-19235/50-17235/50-17255/45-18
Total Price$43,195$46,310$50,125$59,080$77,190
Adjustments for Features-3,530-3,8550-1,250-1,715
Feature-Adjusted Total Price$39,665$42,455$50,125$57,830$75,475
Cost Above Minimum$0$2,790$0$7,705$25,350
Total Invoice$41,323$44,469$45,624$53,673$71,603
Adjustments for Features-3,377-3,7020-1,136-1,591
Feature-Adjusted Total Invoice$37,946$40,767$45,624$52,537$70,012
Cost Above Minimum$0$2,821$0$6,913$24,388

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Features Comparison: Buick LaCrosse vs. Cadillac STS

Model Year20182018200620062006
ModelLaCrosseLaCrosseSTSSTSSTS
TrimBaseAvenirV6V8STS-V
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100   $1100
9-speed manually-shiftable automatic $1400   
5-speed manually-shiftable automatic  $1000$1000 
FWD$0$0   
RWD  $0$0$0
Accessories 
AC power outlet$100$100   
Remote app$25$25   
Sunshade, rear, power$225$225   
Brakes, Airbags, and Other Safety 
Blind spot warning system$200$200   
Cross-traffic warning, rear$100$100   
Following distance indicator$25$25   
Forward collision warning$200$200   
Knee airbag, driver$75$75   
Knee airbag, passenger$75$75   
Lane departure prevention, steering-based$200$200   
Lane departure warning$200$200   
Rear side airbags$300$300   
Rearview camera$200$200   
Rollover sensor$50$50   
Safety key$5$5   
Tires, run-flat    $150
Vehicle health reports$0$0   
Cargo Management 
Rear seat pass-through  $100$100$100
Climate Control 
Heated windshield washer nozzles    $15
Rain-sensing wipers  $175$175$175
Rear air vents$100$100   
Rear air vents with manual controls  $150$150$150
Variable intermittent wipers$75$75   
Drivetrain 
Limited-slip rear differential  $300$300$300
Engine / Motor 
Automatic start / stop$150$150   
Exterior 
Active grille shutters$0$0   
Bodyside moldings$75$75   
Bright-finished exhaust tip(s) $25$25$25$25
Panoramic sunroof$1200$1200   
Sunroof  $900$900$900
Infotainment 
4G LTE connectivity$0$0   
Android Auto support$100$100   
App support$0$0   
Apple CarPlay support$100$100   
Aux input$50$50   
Bluetooth audio streaming$25$25   
CD changer, in-dash  $325$325$325
DVD-compatible player  $0$0$0
Satellite radio$200$200   
SMS text-to-speech reader$25$25   
Telematics service, such as OnStar  $200$200$200
Telematics service, such as OnStar, with navigation$225$225   
Traffic + travel information$25$25   
Voice control for external devices$0$0   
Wi-Fi hotspot$50$50   
Wireless charging station$75$75   
Instruments, Lights, and Mirrors 
Auto-dimming headlights   $200$200
Compass$0$0   
Head-up display (HUD)$350$350   
Headlight washers   $50$50
Large color reconfigurable instrument cluster display$250$250   
Steering-linked headlights$150$150   
Xenon HID headlights$500$500 $500$500
Seats and Interior Trim 
Cooled or ventilated front seats$300$300$300$300 
Folding second row seats$300$300   
Heated second row seats  $200$200$200
Leather-wrapped steering wheel$150$150  $150
Massage, driver seat$100$100   
Massage, passenger seat$100$100   
Synthetic suede inserts in leather seating surfaces    $0
Upgraded floor mats $0   
Upholstered instrument panel, leather    $1000
Wood trim  $300$300$300
Wood/leather-wrapped steering wheel  $150$150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical   $500 
Alloy wheels$350$350   
Auto-leveling rear shocks  $200$200$200
Performance steering system (optional)  $0 $0
Polished alloy wheels  $350$350$350
Sport suspension (upgrade)  $0$0$0
Transmission 
Steering-wheel-mounted transmission controls$100$100   
Total Value of Features$8,205$8,530$4,675$5,925$6,390
Value of Feature Adjustments$3,530$3,855$0$1,250$1,715
Value of Feature Adjustments-3,377-3,7020-1,136-1,591

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Specifications Comparison: Buick LaCrosse vs. Cadillac STS

Model Year20182006
ModelLaCrosseSTS
Body4dr Sedan4dr Sedan
Wheelbase114.4 in116.4 in
Length197.5 in196.3 in
Width73.5 in72.6 in
Height57.5 in57.6 in
Curb Weight3,491 lb.3,961 lb.
Fuel Capacity15.8 gal.17.0 gal.
Row 1 Headroom38.4 in38.7 in
Row 1 Shoulder Room57.7 in58.6 in
Row 1 Hip Room54.8 in54.6 in
Row 1 Legroom42.0 in42.6 in
Row 2 Headroom37.2 in37.9 in
Row 2 Shoulder Room56.6 in57.4 in
Row 2 Hip Room55.1 in55.6 in
Row 2 Legroom40.0 in38.3 in
Cargo Volume14.3 ft313.8 ft3

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Option Package Details
Buick LaCrosse

Sights and Sounds Package.
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
Voice control for nav and audio75Yes
Bose, 11 speakers (with subwoofer)350No
Traffic + travel information25No
Speed limit information0No
Total Requested92571%
Total Not Requested37529%
Premium Group
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power 4-way lumbar adjuster, driver seat50Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Massage, driver seat100No
Massage, passenger seat100No
Heated steering wheel100Yes
Head-up display (HUD)350No
AC power outlet100No
Lane departure warning200No
Interior ambient lighting150No
Forward collision warning200No
Lane departure prevention, steering-based200No
Following distance indicator25No
Leather seating surfaces900Yes
Heated front seats200Yes
Steering-linked headlights150No
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Wireless charging station75No
Blind spot warning system200No
Cross-traffic warning, rear100No
Total Requested197550%
Total Not Requested195050%

Option Package Details
Cadillac STS V6

Preferred Equipment Group 1SC
FeatureValueRequested?
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Cooled or ventilated front seats300Yes
Sunroof900Yes
Limited-slip rear differential300No
Rear spoiler200Yes
Wood/leather-wrapped steering wheel0No
Performance steering system (optional)250No
Polished alloy wheels0No
Wood trim300No
Heated front seats200Yes
CD changer, in-dash200No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Rain-sensing wipers100No
Memory system, driver seat200Yes
Interior air filter0Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Rear air vents with manual controls50No
Navigation system600Yes
Heated second row seats200No
Universal garage door opener100Yes
Bluetooth cell phone link100Yes
Heated steering wheel100Yes
Cargo net40Yes
Surround sound250Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested339060%
Total Not Requested225040%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SF
FeatureValueRequested?
Sport suspension (upgrade)250No
Adaptive shocks - electrical500No
Cooled or ventilated front seats300Yes
Sunroof900Yes
Limited-slip rear differential300No
Rain-sensing wipers100No
Xenon HID headlights500Yes
Rear spoiler200Yes
Wood/leather-wrapped steering wheel0No
Bluetooth cell phone link100Yes
Headlight washers50No
235/50VR17 tires200No
255/45VR17 tires200No
Auto-dimming headlights200No
DVD-compatible player0No
Voice control for nav and audio100Yes
Rear air vents with manual controls50No
Navigation system600Yes
Heated second row seats200No
Universal garage door opener100Yes
Heated steering wheel100Yes
Interior air filter0Yes
Cargo net40Yes
Surround sound250Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Polished alloy wheels0No
Wood trim300No
Heated front seats200Yes
CD changer, in-dash200No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Total Requested389057%
Total Not Requested290043%

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