Cadillac STS Cadillac STS 2011 Chevrolet Sonic Chevrolet Sonic 2018

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Cadillac STS vs. Chevrolet Sonic 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. Chevrolet Sonic Invoice Comparison

Lowest Total Price: $20,730

Chevrolet Sonic LT   
Difference: $32,615

Lowest Total Invoice: $19,828

Chevrolet Sonic LT   
Difference: $30,518

Calculate Payments

  Down Payment Interest Rate Term
Model Year2011201120182018
ModelSTSSTSSonicSonic
TrimLuxuryPremiumLTPremier
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $50,820 $56,380 $17,695 $19,795
Base Invoice $48,024 $53,279 $16,987 $19,003
Temporary spare tire 350 350    
Engine-block heater 100 100 100 100
Sunroof 1,200 1,200   850
RS Package     800 800
Convenience Package     650  
Fun & Sun Package     550  
Cargo net     60 60
Temporary spare tire 308 308    
Engine-block heater 83 83 91 91
Sunroof 1,056 1,056   774
RS Package     728 728
Convenience Package     592  
Fun & Sun Package     500  
Cargo net     55 55
Options (change) 1,650 1,650 2,160 1,810
Options (change) 1,447 1,447 1,966 1,648
Destination 875 875 875 875
Total Price $53,345 $58,905 $20,730 $22,480
Total Invoice $50,346 $55,601 $19,828 $21,526

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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

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Cadillac STS dealer quotes or Chevrolet Sonic 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. Chevrolet Sonic

Lowest Adjusted Price and Invoice: Chevrolet Sonic LT
TrueDelta Adjusted Price Difference: $28,135
TrueDelta Adjusted Invoice Difference: $26,290
Model Year2011201120182018
ModelSTSSTSSonicSonic
TrimLuxuryPremiumLTPremier
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine302hp V6302hp V6138hp I4138hp I4
TransmissionT6T6M6M6
DrivetrainRWDRWDFWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8300, 15?, 6?, 6
Tire (rear if not all the same)235/50-17235/50-18205/50-17205/50-17
Total Price$53,345$58,905$20,730$22,480
Adjustments for Features-4,480-6,90500
Feature-Adjusted Total Price$48,865$52,000$20,730$22,480
Cost Above Minimum$0$3,135$0$1,750
Total Invoice$50,346$55,601$19,828$21,526
Adjustments for Features-4,228-6,51800
Feature-Adjusted Total Invoice$46,118$49,083$19,828$21,526
Cost Above Minimum$0$2,965$0$1,698

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Features Comparison: Cadillac STS vs. Chevrolet Sonic

Model Year2011201120182018
ModelSTSSTSSonicSonic
TrimLuxuryPremiumLTPremier
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100  
6-speed manual  $150$150
RWD$0$0  
FWD  $0$0
Accessories 
Remote app  $25$25
Remote start$150$150  
Tilt/telescoping steering wheel, manual  $250$250
Tilt/telescoping steering wheel, power$350$350  
Universal garage door opener$100$100  
Brakes, Airbags, and Other Safety 
4-wheel disc brakes$150$150  
Knee airbag, driver  $75$75
Knee airbag, passenger  $75$75
Obstacle detection, rear$250$250  
Rear side airbags  $300$300
Rearview camera  $200$200
Rollover sensor  $50$50
Vehicle health reports  $0$0
Cargo Management 
Rear seat pass-through$100$100  
Climate Control 
Automatic air recirculation$100$100  
Automatic climate control, front$200$200  
Dual-zone climate control$125$125  
Rear air vents with manual controls$150$150  
Drivetrain 
Limited-slip rear differential $300  
Exterior 
Body kit  $0$0
Bright-finished exhaust tip(s)$25$25  
Laminated front side windows$200$200  
Rear spoiler $200$200$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$325  
DVD-Audio-compatible player$0   
DVD-compatible player $0  
Navigation system $600  
Rear seat audio controls $25  
SMS text-to-speech reader  $25$25
Surround sound $250  
USB port  $25$25
Voice control for audio system  $25$25
Voice control for external devices  $0$0
Voice control for nav and audio $100  
Wi-Fi hotspot  $50$50
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75  
Auto-dimming headlights $200  
Auto-dimming rearview mirror$150$150  
Compass$0 $0$0
Headlight washers $50  
Illuminated visor mirror, driver$50$50  
Illuminated visor mirror, passenger$50$50  
Turn signals on or near mirrors$25$25  
Visor mirror, driver  $10$10
Visor mirror, passenger  $10$10
Xenon HID headlights $500  
Seats and Interior Trim 
Center armrest(s), second row$50$50  
Cooled or ventilated front seats$300$300  
Door sill trim plates$100$100  
Floor mats, second row (optional)  $0$0
Folding second row seats  $300$300
Heated second row seats$200$200  
Leather seating surfaces$900$900  
Leather-wrapped steering wheel  $150$150
Memory system, driver seat$200$200  
Power 4-way lumbar adjuster, driver seat$150$150  
Power 4-way lumbar adjuster, passenger seat$150$150  
Power fore-aft adjuster, passenger seat$100$100  
Power height adjuster, passenger seat$100$100  
Power recliner, passenger seat$100$100  
Power tilt adjuster, driver seat$100$100  
Power tilt adjuster, passenger seat$100$100  
Synthetic leather seating surfaces   $0
Upgraded floor mats  $0$0
Wood trim$300$300  
Wood/leather-wrapped steering wheel$150$150  
Suspension, Wheels, and Tires 
Alloy wheels  $350$350
Auto-leveling rear shocks $200  
Polished alloy wheels$350$350  
Sport suspension (upgrade) $0$0$0
Wheels, dark finish  $0$0
Total Value of Features$7,025$9,450$2,545$2,545
Value of Feature Adjustments$4,480$6,905$0$0
Value of Feature Adjustments-4,228-6,51800

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Specifications Comparison: Cadillac STS vs. Chevrolet Sonic

Model Year20112018
ModelSTSSonic
Body4dr Sedan4dr Sedan
Wheelbase116.4 in99.4 in
Length196.7 in173.9 in
Width72.6 in68.3 in
Height57.6 in59.7 in
Curb Weight3,974 lb.2,774 lb.
Fuel Capacity17.0 gal.12.2 gal.
Row 1 Headroom38.7 in38.7 in
Row 1 Shoulder Room58.6 in53.4 in
Row 1 Hip Room54.6 in51.4 in
Row 1 Legroom42.6 in41.8 in
Row 2 Headroom37.9 in37.8 in
Row 2 Shoulder Room57.4 in53.0 in
Row 2 Hip Room55.6 in51.6 in
Row 2 Legroom38.3 in34.6 in
Cargo Volume13.8 ft314.9 ft3

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Option Package Details
Chevrolet Sonic LT

RS Package
FeatureValueRequested?
Fog lights125Yes
Leather-wrapped steering wheel150Yes
Body kit0No
Rear spoiler200Yes
205/55HR16 tires400No
Special interior trim0No
Upgraded floor mats0No
Total Requested47554%
Total Not Requested40046%
Convenience Package
FeatureValueRequested?
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Leather-wrapped steering wheel150Yes
Heated steering wheel100Yes
Upgraded instruments0No
Proximity key250Yes
Total Requested950100%
Total Not Requested00%
Fun & Sun Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Wheels, dark finish0No
Sunroof900Yes
205/50HR17 tires400No
turbocharged
1.4L I4
DOHC-4v
138 hp@4900
148 lb-ft@1850
1000No
Total Requested115045%
Total Not Requested140055%

Option Package Details
Chevrolet Sonic Premier

RS Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Fog lights125Yes
Body kit0No
Rear spoiler200Yes
Special interior trim0No
Upgraded floor mats0No
Wheels, dark finish0No
Total Requested575100%
Total Not Requested00%

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