Cadillac STS Cadillac STS 2007 Chevrolet Sonic Chevrolet Sonic 2016

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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: $21,955

Chevrolet Sonic RS   
Difference: $22,480

Lowest Total Invoice: $20,862

Chevrolet Sonic RS   
Difference: $20,597

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072007200720162016
ModelSTSSTSSTSSonicSonic
TrimV6V8STS-VLTZRS
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $42,390 $51,810 $73,810 $19,780 $20,095
Base Invoice $39,635 $48,442 $67,638 $18,791 $19,090
Engine-block heater 100 100 100 75 75
Sunroof 1,200 1,200 1,200 850 850
Dusk Package       1,715  
Cargo net       60 60
Engine-block heater 83 83 83 68 68
Sunroof 996 996 996 774 774
Dusk Package       1,561  
Cargo net       55 55
Options (change) 1,300 1,300 1,300 2,700 985
Options (change) 1,079 1,079 1,079 2,458 897
Destination 745 745 745 875 875
Gas Tax 0 0 2,100 0 0
Total Price $44,435 $53,855 $77,955 $23,355 $21,955
Total Invoice $41,459 $50,266 $71,562 $22,124 $20,862

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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 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 RS
TrueDelta Adjusted Price Difference: $20,515
TrueDelta Adjusted Invoice Difference: $18,764
Model Year20072007200720162016
ModelSTSSTSSTSSonicSonic
TrimV6V8STS-VLTZRS
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine255hp V6320hp V8469hp V8138hp I4138hp I4
TransmissionT5T6T6T6M6
DrivetrainRWDRWDRWDFWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8?, 8300, 15?, 6?, 6
Tire (rear if not all the same)235/50-17235/50-17255/45-18215/45-18205/50-17
Total Price$44,435$53,855$77,955$23,355$21,955
Adjustments for Features-1,965-3,980-7,470-1,1000
Feature-Adjusted Total Price$42,470$49,875$70,485$22,255$21,955
Cost Above Minimum$0$7,405$28,015$300$0
Total Invoice$41,459$50,266$71,562$22,124$20,862
Adjustments for Features-1,833-3,715-6,857-1,0420
Feature-Adjusted Total Invoice$39,626$46,551$64,705$21,082$20,862
Cost Above Minimum$0$6,925$25,079$220$0

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Features Comparison: Cadillac STS vs. Chevrolet Sonic

Model Year20072007200720162016
ModelSTSSTSSTSSonicSonic
TrimV6V8STS-VLTZRS
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000    
6-speed manually-shiftable automatic $1100$1100$1100 
6-speed manual    $150
RWD$0$0$0  
FWD   $0$0
Accessories 
Heated steering wheel $100$100  
Proximity key$250$250$250  
Remote app   $25$25
Remote start$150$150$150$150 
Tilt/telescoping steering wheel, manual   $250$250
Tilt/telescoping steering wheel, power$350$350$350  
Universal garage door opener $100$100  
Brakes, Airbags, and Other Safety 
Knee airbag, driver   $75$75
Knee airbag, passenger   $75$75
Obstacle detection, rear$250$250$250  
Rear side airbags   $300$300
Rearview camera   $200$200
Rollover sensor   $50$50
Tire-pressure monitor $75$75$75$75
Tires, run-flat  $150  
Vehicle health reports   $0$0
Cargo Management 
Cargo net $40$40$40$40
Rear seat pass-through$100$100$100  
Climate Control 
Automatic climate control, front$200$200$200  
Dual-zone climate control$125$125$125  
Heated windshield washer nozzles  $15  
Rain-sensing wipers $175$175  
Rear air vents with manual controls$150$150$150  
Variable intermittent wipers$75  $75$75
Drivetrain 
Limited-slip rear differential  $300  
Exterior 
Body kit   $0$0
Laminated front side windows$200$200$200  
Rear spoiler  $200$200$200
Infotainment 
4G LTE connectivity   $0$0
App support   $0$0
Aux input   $50$50
Bluetooth audio streaming   $25$25
Bluetooth cell phone link  $100$100$100
CD changer, in-dash $325$325  
CD player$125    
DVD-compatible player  $0  
Navigation system  $600  
Rear seat audio controls  $25  
Siri Eyes Free support   $0$0
Surround sound  $250  
Voice control for nav and audio  $100  
Wi-Fi hotspot   $50$50
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75$75  
Auto-dimming headlights  $200  
Auto-dimming rearview mirror$150$150$150  
Compass$0$0 $0$0
Digital instruments   $0$0
Headlight washers  $50  
Illuminated visor mirror, driver$50$50$50  
Illuminated visor mirror, passenger$50$50$50  
Turn signals on or near mirrors$25$25$25  
Visor mirror, driver   $10$10
Visor mirror, passenger   $10$10
Xenon HID headlights  $500  
Seats and Interior Trim 
Aluminum trim$100    
Center armrest(s), second row$50$50$50  
Folding second row seats   $300$300
Heated front seats $200$200$200$200
Heated second row seats $200$200  
Leather-wrapped steering wheel$150 $150$150$150
Manual height adjuster, driver seat   $50$50
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, driver seat$100$100$100  
Power fore-aft adjuster, passenger seat$100$100$100  
Power height adjuster, driver seat$100$100$100  
Power height adjuster, passenger seat$100$100$100  
Power recliner, driver seat$100$100$100  
Power recliner, passenger seat$100$100$100  
Power tilt adjuster, driver seat$100$100$100  
Power tilt adjuster, passenger seat$100$100$100  
Synthetic suede inserts in leather seating surfaces  $0$0$0
Upholstered instrument panel, leather  $1000  
Wood trim $300$300  
Wood/leather-wrapped steering wheel $150   
Suspension, Wheels, and Tires 
Alloy wheels  $350$350$350
Auto-leveling rear shocks $200$200  
Performance steering system (optional)  $0  
Polished alloy wheels$350$350   
Sport suspension (upgrade)  $0 $0
Total Value of Features$4,775$6,790$10,280$3,910$2,810
Value of Feature Adjustments$1,965$3,980$7,470$1,100$0
Value of Feature Adjustments-1,833-3,715-6,857-1,0420

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Specifications Comparison: Cadillac STS vs. Chevrolet Sonic

Model Year20072016
ModelSTSSonic
Body4dr Sedan4dr Sedan
Wheelbase116.4 in99.4 in
Length196.3 in173.1 in
Width72.6 in68.3 in
Height57.6 in59.7 in
Curb Weight3,961 lb.2,734 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 LTZ

Dusk Package
FeatureValueRequested?
4-wheel disc brakes150Yes
Leather seating surfaces900Yes
Body kit0No
Synthetic suede inserts in leather seating surfaces0Yes
Bright-finished exhaust tip(s)25Yes
Special exterior trim0No
215/45ZR18 tires400No
Total Requested107573%
Total Not Requested40027%

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