Buick Regal Buick Regal 2012 Cadillac STS Cadillac STS 2009

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Buick Regal 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 Regal vs. Cadillac STS Invoice Comparison

Lowest Total Price: $35,700

Buick Regal Turbo   
Difference: $18,925

Lowest Total Invoice: $34,156

Buick Regal Turbo   
Difference: $16,187

Calculate Payments

  Down Payment Interest Rate Term
Model Year2012201220092009
ModelRegalRegalSTSSTS
TrimTurboGSV6V8
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $30,260 $34,835 $46,410 $55,910
Base Invoice $29,050 $33,442 $43,393 $52,276
Premium 3 Package 2,660      
Navigation system 895 895    
Sunroof 1,000 1,000    
Preferred Equipment Group 1SB     3,540  
Luxury Collection     3,900  
Preferred Equipment Group 1SG       11,940
Premium 3 Package 2,553      
Navigation system 788 788    
Sunroof 880 880    
Preferred Equipment Group 1SB     2,938  
Luxury Collection     3,237  
Preferred Equipment Group 1SG       9,910
Options (change) 4,555 1,895 7,440 11,940
Options (change) 4,221 1,668 6,175 9,910
Destination 885 885 775 775
Total Price $35,700 $37,615 $54,625 $68,625
Total Invoice $34,156 $35,995 $50,343 $62,961

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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 Buick Regal dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Buick Regal vs. Cadillac STS

Lowest Adjusted Price and Invoice: Buick Regal Turbo
TrueDelta Adjusted Price Difference: $18,450
TrueDelta Adjusted Invoice Difference: $15,785
Model Year2012201220092009
ModelRegalRegalSTSSTS
TrimTurboGSV6V8
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine220hp I4270hp I4302hp V6320hp V8
TransmissionT6M6T6T6
DrivetrainFWDFWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)336, 9336, 9300, 15300, 15
Tire (rear if not all the same)245/40-19245/40-19235/50-17235/50-18
Total Price$35,700$37,615$54,625$68,625
Adjustments for Features-1,0000-1,475-3,675
Feature-Adjusted Total Price$34,700$37,615$53,150$64,950
Cost Above Minimum$0$2,915$0$11,800
Total Invoice$34,156$35,995$50,343$62,961
Adjustments for Features-9570-1,359-3,372
Feature-Adjusted Total Invoice$33,199$35,995$48,984$59,589
Cost Above Minimum$0$2,796$0$10,605

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Features Comparison: Buick Regal vs. Cadillac STS

Model Year2012201220092009
ModelRegalRegalSTSSTS
TrimTurboGSV6V8
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 $1100$1100
6-speed manual $150  
FWD$0$0  
RWD  $0$0
Accessories 
AC power outlet$100$100  
Adaptive cruise control   $600
Cruise control$150$150$150 
Heated steering wheel  $100$100
Tilt/telescoping steering wheel, manual$250$250  
Tilt/telescoping steering wheel, power  $350$350
Brakes, Airbags, and Other Safety 
Blind spot warning system   $200
Lane departure warning   $200
Obstacle detection, front $150  
Rear side airbags$300$300  
Rollover sensor$50$50  
Temporary spare tire$150 $150$150
Climate Control 
Automatic air recirculation  $100$100
Rain-sensing wipers  $175$175
Rear air vents$100$100  
Rear air vents with manual controls  $150$150
Variable intermittent wipers$75$75  
Drivetrain 
Limited-slip rear differential   $300
Exterior 
Body kit $0  
Laminated front side windows  $200$200
Rear spoiler   $200
Infotainment 
Aux input$50$50  
CD changer, in-dash  $325$325
CD player$125$125  
DVD-compatible player  $0$0
MP3-compatible player$50$50  
Rear seat audio controls  $25$25
USB port$25$25  
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75$75
Auto-dimming headlights  $200$200
Compass$0$0$0 
Fog lights$125 $125$125
Head-up display (HUD)   $350
Headlight washers  $50$50
Interior ambient lighting$150$150  
Seats and Interior Trim 
Cooled or ventilated front seats  $300$300
Folding second row seats$300$300  
Heated second row seats  $200$200
Leather-wrapped steering wheel$150$150  
Memory system, driver seat  $200$200
Metal pedals $75  
Wood trim  $300$300
Wood/leather-wrapped steering wheel  $150$150
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500 $500
Alloy wheels$350$350  
Electronic systems calibration selector$200$200  
Performance steering system (optional)   $0
Polished alloy wheels  $350$350
Sport suspension (upgrade) $0 $0
Total Value of Features$4,300$3,300$4,775$6,975
Value of Feature Adjustments$1,000$0$1,475$3,675
Value of Feature Adjustments-9570-1,359-3,372

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Specifications Comparison: Buick Regal vs. Cadillac STS

Model Year20122009
ModelRegalSTS
Body4dr Sedan4dr Sedan
Wheelbase107.8 in116.4 in
Length190.2 in196.7 in
Width73.1 in72.6 in
Height58.4 in57.6 in
Curb Weight3,601 lb.3,974 lb.
Fuel Capacity18.0 gal.17.0 gal.
Row 1 Headroom38.8 in38.7 in
Row 1 Shoulder Room56.7 in58.6 in
Row 1 Hip Room55.4 in54.6 in
Row 1 Legroom42.1 in42.6 in
Row 2 Headroom36.8 in37.9 in
Row 2 Shoulder Room54.4 in57.4 in
Row 2 Hip Room52.3 in55.6 in
Row 2 Legroom37.3 in38.3 in
Cargo Volume14.2 ft313.8 ft3

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Option Package Details
Buick Regal Turbo

Premium 3 Package
FeatureValueRequested?
Adaptive shocks - electrical500Yes
245/40WR19 tires400No
Electronic systems calibration selector200No
Rear side airbags300No
Xenon HID headlights500Yes
Surround sound250Yes
Harman/Kardon, 336W, 9 speakers (with subwoofer)350No
Total Requested125050%
Total Not Requested125050%

Option Package Details
Cadillac STS V6

Preferred Equipment Group 1SB
FeatureValueRequested?
Cooled or ventilated front seats300No
Wood/leather-wrapped steering wheel0No
Wood trim300No
Heated front seats200Yes
Heated second row seats200No
CD changer, in-dash200No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Rain-sensing wipers100No
Memory system, driver seat200No
DVD-Audio-compatible player0No
Heated steering wheel100No
Cargo net40Yes
Total Requested64031%
Total Not Requested140069%
Luxury Collection
FeatureValueRequested?
Sunroof900Yes
Termporary spare tire150Yes
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested250080%
Total Not Requested62520%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SG
FeatureValueRequested?
Adaptive shocks - electrical500Yes
Cooled or ventilated front seats300No
Sunroof900Yes
Adaptive cruise control450No
235/50WR18 tires200No
255/45WR18 tires200No
Termporary spare tire150Yes
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Head-up display (HUD)350No
Lane departure warning system200No
Blind spot warning system200No
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300No
Rear spoiler200No
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested300044%
Total Not Requested377556%

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