Cadillac STS Cadillac STS 2006 Buick Lucerne Buick Lucerne 2008

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Cadillac STS vs. Buick Lucerne 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 Lucerne Invoice Comparison

Lowest Total Price: $42,510

Buick Lucerne CXS   
Difference: $7,615

Lowest Total Invoice: $39,671

Buick Lucerne CXS   
Difference: $5,953

Calculate Payments

  Down Payment Interest Rate Term
Model Year2006200620082008
ModelSTSSTSLucerneLucerne
TrimV6V8CXSSuper
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $41,020 $47,520 $37,030 $38,980
Base Invoice $37,944 $43,956 $34,993 $36,836
Preferred Equipment Group 1SC 8,285      
Engine-block heater 100 100 75 75
Preferred Equipment Group 1SF   10,740    
Sunroof     900 900
Wood/leather-wrapped steering wheel     150  
Cooled or ventilated front seats     895  
Navigation system     1,945 1,945
Chrome-plated alloy wheels     750 750
Preferred Equipment Group 1SC 6,877      
Engine-block heater 83 83 62 62
Preferred Equipment Group 1SF   8,914    
Sunroof     747 747
Wood/leather-wrapped steering wheel     124  
Cooled or ventilated front seats     743  
Navigation system     1,614 1,614
Chrome-plated alloy wheels     623 623
Options (change) 8,385 10,840 4,715 3,670
Options (change) 6,960 8,997 3,913 3,046
Destination 720 720 765 765
Total Price $50,125 $59,080 $42,510 $43,415
Total Invoice $45,624 $53,673 $39,671 $40,647

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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 Lucerne dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Cadillac STS vs. Buick Lucerne

Lowest Adjusted Price and Invoice: Buick Lucerne CXS
TrueDelta Adjusted Price Difference: $6,515
TrueDelta Adjusted Invoice Difference: $4,952
Model Year2006200620082008
ModelSTSSTSLucerneLucerne
TrimV6V8CXSSuper
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine254hp V6320hp V8275hp V8292hp V8
TransmissionT5T5A4A4
DrivetrainRWDRWDFWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15300, 15280, 9280, 9
Tire (rear if not all the same)235/50-17235/50-17245/50-18245/50-18
Total Price$50,125$59,080$42,510$43,415
Adjustments for Features-1,100-2,35000
Feature-Adjusted Total Price$49,025$56,730$42,510$43,415
Cost Above Minimum$0$7,705$0$905
Total Invoice$45,624$53,673$39,671$40,647
Adjustments for Features-1,001-2,13500
Feature-Adjusted Total Invoice$44,623$51,538$39,671$40,647
Cost Above Minimum$0$6,915$0$976

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Features Comparison: Cadillac STS vs. Buick Lucerne

Model Year2006200620082008
ModelSTSSTSLucerneLucerne
TrimV6V8CXSSuper
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000$1000  
4-speed automatic  $800$800
RWD$0$0  
FWD  $0$0
Accessories 
Proximity key$250$250  
Climate Control 
Rear air vents  $100$100
Rear air vents with manual controls$150$150  
Super-heated washer fluid  $100$100
Drivetrain 
Limited-slip rear differential$300$300  
Exterior 
Bodyside moldings  $75$75
Rear spoiler$200$200  
Infotainment 
Aux input  $50$50
Bluetooth cell phone link$100$100  
CD changer, in-dash$325$325  
CD player  $125$125
DVD-compatible player$0$0  
MP3-compatible player  $50$50
Satellite radio  $200$200
Surround sound$250$250  
Telematics service, such as OnStar$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 headlights $200  
Compass  $0$0
Cornering lights  $50$50
Headlight washers $50  
Xenon HID headlights $500  
Seats and Interior Trim 
Heated second row seats$200$200  
Synthetic suede inserts in leather seating surfaces   $0
Wood trim$300$300  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500$500
Performance steering system (optional)$0   
Total Value of Features$3,375$4,625$2,275$2,275
Value of Feature Adjustments$1,100$2,350$0$0
Value of Feature Adjustments-1,001-2,13500

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Specifications Comparison: Cadillac STS vs. Buick Lucerne

Model Year20062008
ModelSTSLucerne
Body4dr Sedan4dr Sedan
Wheelbase116.4 in115.6 in
Length196.3 in203.2 in
Width72.6 in73.8 in
Height57.6 in58.0 in
Curb Weight3,961 lb.3,765 lb.
Fuel Capacity17.0 gal.18.5 gal.
Row 1 Headroom38.7 in39.5 in
Row 1 Shoulder Room58.6 in58.0 in
Row 1 Hip Room54.6 in56.1 in
Row 1 Legroom42.6 in42.5 in
Row 2 Headroom37.9 in37.7 in
Row 2 Shoulder Room57.4 in57.0 in
Row 2 Hip Room55.6 in57.0 in
Row 2 Legroom38.3 in41.4 in
Cargo Volume13.8 ft317.0 ft3

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Option Package Details
Cadillac STS V6

Preferred Equipment Group 1SC
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Performance braking system (optional)250No
Cooled or ventilated front seats300Yes
Sunroof900Yes
Limited-slip rear differential300No
Rear spoiler200No
Wood/leather-wrapped steering wheel150Yes
Performance steering system (optional)250No
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 wipers100Yes
Memory system, driver seat200Yes
Interior air filter0Yes
Polished alloy wheels0Yes
Navigation system600Yes
Heated second row seats200No
Universal garage door opener100Yes
Bluetooth cell phone link100No
Heated steering wheel100Yes
Cargo net40Yes
Surround sound250No
DVD-compatible player0No
Voice control for nav and audio100No
Rear air vents with manual controls50No
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested324056%
Total Not Requested255044%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SF
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Adaptive shocks - electrical500Yes
Cooled or ventilated front seats300Yes
Sunroof900Yes
Limited-slip rear differential300No
Rain-sensing wipers100Yes
Xenon HID headlights500No
Rear spoiler200No
Wood/leather-wrapped steering wheel0Yes
Bluetooth cell phone link100No
Headlight washers50No
235/50VR17 tires200No
255/45VR17 tires200No
Auto-dimming headlights200No
Navigation system600Yes
Heated second row seats200No
Universal garage door opener100Yes
Heated steering wheel100Yes
Interior air filter0Yes
Cargo net40Yes
Surround sound250No
DVD-compatible player0No
Voice control for nav and audio100No
Rear air vents with manual controls50No
Bose, 300W, 15 speakers (with subwoofer)350No
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
Polished alloy wheels0Yes
Total Requested359053%
Total Not Requested320047%

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