Cadillac STS Cadillac STS 2006 Buick LaCrosse Buick LaCrosse 2008

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Cadillac STS vs. Buick LaCrosse 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.

Cadillac STS vs. Buick LaCrosse Invoice Comparison

Lowest Total Price: $31,910

Buick LaCrosse CXS   
Difference: $13,925

Lowest Total Invoice: $29,810

Buick LaCrosse CXS   
Difference: $12,253

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062006200620082008
ModelSTSSTSSTSLaCrosseLaCrosse
TrimV6V8STS-VCXSSuper
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $41,020 $47,520 $73,070 $27,790 $32,380
Base Invoice $37,944 $43,956 $67,704 $26,262 $30,599
Preferred Equipment Group 1SB 2,640        
Engine-block heater 100 100 100 75 75
Sunroof 1,200 1,200 1,200 900 900
Universal garage door opener 155        
Preferred Equipment Group 1SE   4,445      
Driver Confidence Package       950  
CD changer, in-dash       695 150
Chrome-plated alloy wheels       750 750
Preferred Equipment Group 1SB 2,191        
Engine-block heater 83 83 83 62 62
Sunroof 996 996 996 747 747
Universal garage door opener 129        
Preferred Equipment Group 1SE   3,689      
Driver Confidence Package       789  
CD changer, in-dash       577 124
Chrome-plated alloy wheels       623 623
Options (change) 4,095 5,745 1,300 3,370 1,875
Options (change) 3,399 4,768 1,079 2,798 1,556
Destination 720 720 720 750 750
Gas Tax 0 0 2,100 0 0
Total Price $45,835 $53,985 $77,190 $31,910 $35,005
Total Invoice $42,063 $49,444 $71,603 $29,810 $32,905

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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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Request free, no-obligation Cadillac STS dealer quotes or Buick LaCrosse dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Cadillac STS vs. Buick LaCrosse

Lowest Adjusted Price and Invoice: Buick LaCrosse CXS
TrueDelta Adjusted Price Difference: $12,165
TrueDelta Adjusted Invoice Difference: $10,638
Model Year20062006200620082008
ModelSTSSTSSTSLaCrosseLaCrosse
TrimV6V8STS-VCXSSuper
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine254hp V6320hp V8469hp V8240hp V6300hp V8
TransmissionT5T5T6A4A4
DrivetrainRWDRWDRWDFWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8300, 15300, 15240, 9240, 9
Tire (rear if not all the same)235/50-17235/50-17255/45-18225/55-17235/50-18
Total Price$45,835$53,985$77,190$31,910$35,005
Adjustments for Features-1,760-3,200-5,7150-200
Feature-Adjusted Total Price$44,075$50,785$71,475$31,910$34,805
Cost Above Minimum$0$6,710$27,400$0$2,895
Total Invoice$42,063$49,444$71,603$29,810$32,905
Adjustments for Features-1,615-2,931-5,3010-188
Feature-Adjusted Total Invoice$40,448$46,513$66,302$29,810$32,717
Cost Above Minimum$0$6,065$25,854$0$2,907

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Features Comparison: Cadillac STS vs. Buick LaCrosse

Model Year20062006200620082008
ModelSTSSTSSTSLaCrosseLaCrosse
TrimV6V8STS-VCXSSuper
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000$1000   
6-speed manually-shiftable automatic  $1100  
4-speed automatic   $800$800
RWD$0$0$0  
FWD   $0$0
Accessories 
Heated steering wheel $100$100  
Proximity key$250$250$250  
Tilt/telescoping steering wheel, manual   $250$250
Tilt/telescoping steering wheel, power$350$350$350  
Brakes, Airbags, and Other Safety 
Brake assist$50$50$50  
Front side airbags$350$350$350  
Tires, run-flat  $150  
Cargo Management 
Cargo net $40$40$40$40
Rear seat pass-through$100$100$100  
Climate Control 
Heated windshield washer nozzles  $15  
Rain-sensing wipers$175$175$175  
Rear air vents$100    
Rear air vents with manual controls $150$150  
Variable intermittent wipers   $75$75
Drivetrain 
Limited-slip rear differential  $300  
Exterior 
Bodyside moldings   $75$75
Bright-finished exhaust tip(s)$25$25$25  
Rear spoiler  $200 $200
Infotainment 
Audio controls on steering wheel$125$125$125  
Bluetooth cell phone link $100$100  
DVD-compatible player $0$0  
Navigation system $600$600  
Satellite radio   $200$200
Surround sound $250$250  
Telematics service, such as OnStar$200$200$200  
Telematics service, such as OnStar, with navigation   $225$225
Voice control for nav and audio $100$100  
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75$75  
Auto-dimming headlights  $200  
Compass$0  $0$0
Headlight washers  $50  
Turn signals on or near mirrors$25$25$25  
Xenon HID headlights  $500  
Seats and Interior Trim 
Folding second row seats   $300$300
Heated second row seats $200$200  
Power 4-way lumbar adjuster, driver seat$150$150$150  
Power 4-way lumbar adjuster, passenger seat$150$150$150  
Power lumbar adjuster, driver seat   $100$100
Power recliner, driver seat$100$100$100  
Power recliner, passenger seat$100$100$100  
Synthetic suede inserts in leather seating surfaces  $0  
Upholstered instrument panel, leather  $1000  
Wood trim$300$300$300  
Suspension, Wheels, and Tires 
Auto-leveling rear shocks$200$200$200  
Performance steering system (optional)  $0  
Sport suspension (upgrade)  $0 $0
Touring suspension (upgrade)   $0 
Total Value of Features$3,825$5,265$7,780$2,065$2,265
Value of Feature Adjustments$1,760$3,200$5,715$0$200
Value of Feature Adjustments-1,615-2,931-5,3010-188

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Specifications Comparison: Cadillac STS vs. Buick LaCrosse

Model Year20062008
ModelSTSLaCrosse
Body4dr Sedan4dr Sedan
Wheelbase116.4 in110.5 in
Length196.3 in198.1 in
Width72.6 in73.0 in
Height57.6 in57.4 in
Curb Weight3,961 lb.3,496 lb.
Fuel Capacity17.0 gal.17.5 gal.
Row 1 Headroom38.7 in39.4 in
Row 1 Shoulder Room58.6 in57.2 in
Row 1 Hip Room54.6 in55.3 in
Row 1 Legroom42.6 in42.3 in
Row 2 Headroom37.9 in37.2 in
Row 2 Shoulder Room57.4 in57.0 in
Row 2 Hip Room55.6 in54.6 in
Row 2 Legroom38.3 in37.6 in
Cargo Volume13.8 ft316.0 ft3

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Option Package Details
Cadillac STS V6

Preferred Equipment Group 1SB
FeatureValueRequested?
Wood trim300No
Heated front seats200Yes
CD changer, in-dash200Yes
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
Rain-sensing wipers100No
Memory system, driver seat200Yes
Interior air filter0Yes
Polished alloy wheels0Yes
Total Requested60046%
Total Not Requested70054%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SE
FeatureValueRequested?
Navigation system600No
Heated second row seats200No
Universal garage door opener100Yes
Bluetooth cell phone link100No
Heated steering wheel100No
Interior air filter0Yes
Cargo net40Yes
Surround sound250No
DVD-compatible player0No
Bose, 300W, 15 speakers (with subwoofer)350No
Voice control for nav and audio100No
Rear air vents with manual controls50No
Rain-sensing wipers100No
Memory system, driver seat200Yes
Polished alloy wheels0Yes
Wood trim300No
Heated front seats200Yes
CD changer, in-dash200Yes
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
Total Requested74023%
Total Not Requested245077%

Option Package Details
Buick LaCrosse CXS

CD changer, in-dash
FeatureValueRequested?
CD changer, in-dash200Yes
Unbranded, 240W, 9 speakers (with subwoofer)350No
Total Requested20036%
Total Not Requested35064%
Driver Confidence Package
FeatureValueRequested?
Heated mirrors25Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Obstacle detection, rear250Yes
Power fore-aft adjuster, passenger seat100Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Total Requested825100%
Total Not Requested00%

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