Buick Regal Buick Regal 2016 Cadillac STS Cadillac STS 2011

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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: $38,425

Buick Regal   
Difference: $24,215

Lowest Total Invoice: $36,748

Buick Regal   
Difference: $21,778

Calculate Payments

  Down Payment Interest Rate Term
Model Year201620162011
ModelRegalRegalSTS
TrimBaseGSLuxury
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $28,990 $34,065 $50,820
Base Invoice $27,830 $32,702 $48,024
Premium II Package 2,575    
Driver Confidence Package 1,040 1,040  
Sunroof 1,000 1,000  
Metallic paint (extra cost) 395 395  
Engine-block heater 75   100
AWD 2,425 2,425 1,900
Chrome-plated alloy wheels 1,000    
255/35ZR20   700  
Luxury Level Two Package     3,950
Premium Luxury Collection     4,600
Performance braking system (optional)     395
Premium II Package 2,472    
Driver Confidence Package 946 946  
Sunroof 910 910  
Metallic paint (extra cost) 359 359  
Engine-block heater 68   83
AWD 2,328 2,328 1,672
Chrome-plated alloy wheels 910    
255/35ZR20   637  
Luxury Level Two Package     3,476
Premium Luxury Collection     4,048
Performance braking system (optional)     348
Options (change) 8,510 5,560 10,945
Options (change) 7,993 5,180 9,627
Destination 925 925 875
Total Price $38,425 $40,550 $62,640
Total Invoice $36,748 $38,807 $58,526

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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
TrueDelta Adjusted Price Difference: $24,390
TrueDelta Adjusted Invoice Difference: $21,945
Model Year201620162011
ModelRegalRegalSTS
TrimBaseGSLuxury
Body4dr Sedan4dr Sedan4dr Sedan
Engine259hp I4259hp I4302hp V6
TransmissionT6T6T6
DrivetrainAWDAWDAWD
EPA Fuel Economy (city/highway)19/27 MPG19/27 MPG17/26 MPG
Audio (watts, speakers)?, 9?, 9300, 15
Tire (rear if not all the same)235/50-18255/35-20235/50-17
Total Price$38,425$40,550$62,640
Adjustments for Features-175-8900
Feature-Adjusted Total Price$38,250$39,660$62,640
Cost Above Minimum$0$1,410$0
Total Invoice$36,748$38,807$58,526
Adjustments for Features-167-8520
Feature-Adjusted Total Invoice$36,581$37,955$58,526
Cost Above Minimum$0$1,374$0

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Features Comparison: Buick Regal vs. Cadillac STS

Model Year201620162011
ModelRegalRegalSTS
TrimBaseGSLuxury
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100
AWD$1700$1700$1700
Accessories 
AC power outlet$100$100 
Remote app$25$25 
Tilt/telescoping steering wheel, manual$250$250 
Tilt/telescoping steering wheel, power  $350
Brakes, Airbags, and Other Safety 
Cross-traffic warning, rear$100$100 
Following distance indicator$25$25 
Forward collision warning$200$200 
Obstacle detection, front $150 
Rear side airbags$300$300 
Rearview camera$200$200 
Rollover sensor$50$50 
Temporary spare tire$150 $150
Vehicle health reports$0$0 
Climate Control 
Automatic air recirculation  $100
Rear air vents$100$100 
Rear air vents with manual controls  $150
Drivetrain 
Limited-slip rear differential$300$300 
Engine / Motor 
Engine-block heater$35 $35
Exterior 
Active grille shutters$0$0 
Body kit $0 
Laminated front side windows  $200
Rear spoiler $200 
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
CD player$125$125 
DVD-compatible player  $0
MP3-compatible player$50$50 
Rear seat audio controls  $25
SMS text-to-speech reader$25$25 
Surround sound  $250
USB port$25$25 
Voice control for external devices$0$0 
Wi-Fi hotspot$50$50 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75
Auto-dimming headlights  $200
Fog lights$125 $125
Head-up display (HUD)  $350
Headlight washers  $50
Interior ambient lighting$150$150 
Large color reconfigurable instrument cluster display $250 
Performance meter $150 
Seats and Interior Trim 
Cooled or ventilated front seats  $300
Folding second row seats$300$300 
Heated second row seats  $200
Leather-wrapped steering wheel$150$150 
Metal pedals $75 
Power 4-way lumbar adjuster, driver seat  $150
Power 4-way lumbar adjuster, passenger seat  $150
Power lumbar adjuster, driver seat$100$100 
Power lumbar adjuster, passenger seat$100$100 
Wood trim  $300
Wood/leather-wrapped steering wheel  $150
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500 
Chrome-plated alloy wheels$850  
Electronic systems calibration selector $200 
Polished alloy wheels $350$350
Sport suspension (upgrade)$0$0 
Total Value of Features$6,960$7,675$6,785
Value of Feature Adjustments$175$890$0
Value of Feature Adjustments-167-8520

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Specifications Comparison: Buick Regal vs. Cadillac STS

Model Year20162011
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 Weight3,980 lb.4,125 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

Premium II Package
FeatureValueRequested?
Navigation system600Yes
Rear side airbags300No
Xenon HID headlights500Yes
AC power outlet100No
Bose, 9 speakers (with subwoofer)350No
Voice control for nav and audio75Yes
Speed limit information0No
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power lumbar adjuster, passenger seat100Yes
Universal garage door opener100Yes
Power tilt adjuster, passenger seat100Yes
Obstacle detection, rear250Yes
Heated steering wheel100Yes
Remote start150Yes
Proximity key250Yes
Total Requested242576%
Total Not Requested75024%
Driver Confidence Package
FeatureValueRequested?
Memory system, driver seat200Yes
Lane departure warning system200Yes
Blind spot warning system200Yes
Rear cross-traffic detection100No
Forward collision warning200No
Following distance indicator25No
Total Requested60065%
Total Not Requested32535%

Option Package Details
Buick Regal GS

Driver Confidence Package
FeatureValueRequested?
Memory system, driver seat200Yes
Lane departure warning system200Yes
Blind spot warning system200Yes
Rear cross-traffic detection100No
Forward collision warning200No
Following distance indicator25No
Total Requested60065%
Total Not Requested32535%

Option Package Details
Cadillac STS Luxury

AWD
FeatureValueRequested?
AWD0Yes
235/50R17 tires400No
Total Requested00%
Total Not Requested400100%
Luxury Level Two Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100Yes
Navigation system600Yes
Surround sound250No
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested120058%
Total Not Requested87542%
Premium Luxury Collection
FeatureValueRequested?
Sunroof900Yes
Termporary spare tire150Yes
Blind spot warning system200Yes
Head-up display (HUD)350No
Lane departure warning system200Yes
Total Requested145081%
Total Not Requested35019%

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