Chevrolet Sonic Chevrolet Sonic 2018 Cadillac STS Cadillac STS 2011

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Chevrolet Sonic 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.

Chevrolet Sonic vs. Cadillac STS 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 Year2018201820112011
ModelSonicSonicSTSSTS
TrimLTPremierLuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $17,695 $19,795 $50,820 $56,380
Base Invoice $16,987 $19,003 $48,024 $53,279
Convenience Package 650      
RS Package 800 800    
Fun & Sun Package 550      
Engine-block heater 100 100 100 100
Cargo net 60 60    
Sunroof   850 1,200 1,200
Temporary spare tire     350 350
Convenience Package 592      
RS Package 728 728    
Fun & Sun Package 500      
Engine-block heater 91 91 83 83
Cargo net 55 55    
Sunroof   774 1,056 1,056
Temporary spare tire     308 308
Options (change) 2,160 1,810 1,650 1,650
Options (change) 1,966 1,648 1,447 1,447
Destination 875 875 875 875
Total Price $20,730 $22,480 $53,345 $58,905
Total Invoice $19,828 $21,526 $50,346 $55,601

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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 Chevrolet Sonic dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Chevrolet Sonic vs. Cadillac STS

Lowest Adjusted Price and Invoice: Chevrolet Sonic LT
TrueDelta Adjusted Price Difference: $28,135
TrueDelta Adjusted Invoice Difference: $26,290
Model Year2018201820112011
ModelSonicSonicSTSSTS
TrimLTPremierLuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine138hp I4138hp I4302hp V6302hp V6
TransmissionM6M6T6T6
DrivetrainFWDFWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 6?, 6?, 8300, 15
Tire (rear if not all the same)205/50-17205/50-17235/50-17235/50-18
Total Price$20,730$22,480$53,345$58,905
Adjustments for Features00-4,480-6,905
Feature-Adjusted Total Price$20,730$22,480$48,865$52,000
Cost Above Minimum$0$1,750$0$3,135
Total Invoice$19,828$21,526$50,346$55,601
Adjustments for Features00-4,228-6,518
Feature-Adjusted Total Invoice$19,828$21,526$46,118$49,083
Cost Above Minimum$0$1,698$0$2,965

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Features Comparison: Chevrolet Sonic vs. Cadillac STS

Model Year2018201820112011
ModelSonicSonicSTSSTS
TrimLTPremierLuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150$150  
6-speed manually-shiftable automatic  $1100$1100
FWD$0$0  
RWD  $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$2,545$2,545$7,025$9,450
Value of Feature Adjustments$0$0$4,480$6,905
Value of Feature Adjustments00-4,228-6,518

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Specifications Comparison: Chevrolet Sonic vs. Cadillac STS

Model Year20182011
ModelSonicSTS
Body4dr Sedan4dr Sedan
Wheelbase99.4 in116.4 in
Length173.9 in196.7 in
Width68.3 in72.6 in
Height59.7 in57.6 in
Curb Weight2,774 lb.3,974 lb.
Fuel Capacity12.2 gal.17.0 gal.
Row 1 Headroom38.7 in38.7 in
Row 1 Shoulder Room53.4 in58.6 in
Row 1 Hip Room51.4 in54.6 in
Row 1 Legroom41.8 in42.6 in
Row 2 Headroom37.8 in37.9 in
Row 2 Shoulder Room53.0 in57.4 in
Row 2 Hip Room51.6 in55.6 in
Row 2 Legroom34.6 in38.3 in
Cargo Volume14.9 ft313.8 ft3

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Option Package Details
Chevrolet Sonic LT

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%
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%
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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