Chevrolet Sonic Chevrolet Sonic 2012 Cadillac STS Cadillac STS 2008

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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: $18,385

Chevrolet Sonic LTZ   
Difference: $27,465

Lowest Total Invoice: $17,441

Chevrolet Sonic LTZ   
Difference: $25,343

Calculate Payments

  Down Payment Interest Rate Term
Model Year2012200820082008
ModelSonicSTSSTSSTS
TrimLTZV6V8STS-V
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $16,665 $43,775 $53,275 $77,575
Base Invoice $15,832 $40,930 $49,812 $71,083
Engine-block heater 75 100 100 100
Sunroof 850 1,200   1,200
Engine-block heater 66 83 83 83
Sunroof 748 996   996
Options (change) 925 1,300 100 1,300
Options (change) 814 1,079 83 1,079
Destination 795 775 775 775
Gas Tax 0 0 0 2,100
Total Price $18,385 $45,850 $54,150 $81,750
Total Invoice $17,441 $42,784 $50,670 $75,037

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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 LTZ
TrueDelta Adjusted Price Difference: $23,585
TrueDelta Adjusted Invoice Difference: $21,722
Model Year2012200820082008
ModelSonicSTSSTSSTS
TrimLTZV6V8STS-V
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine138hp I4302hp V6320hp V8469hp V8
TransmissionM5T6T6T6
DrivetrainFWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 6?, 8?, 8300, 15
Tire (rear if not all the same)205/50-17235/50-17235/50-17255/45-18
Total Price$18,385$45,850$54,150$81,750
Adjustments for Features0-3,880-4,820-10,210
Feature-Adjusted Total Price$18,385$41,970$49,330$71,540
Cost Above Minimum$0$0$7,360$29,570
Total Invoice$17,441$42,784$50,670$75,037
Adjustments for Features0-3,621-4,510-9,372
Feature-Adjusted Total Invoice$17,441$39,163$46,160$65,665
Cost Above Minimum$0$0$6,997$26,502

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Features Comparison: Chevrolet Sonic vs. Cadillac STS

Model Year2012200820082008
ModelSonicSTSSTSSTS
TrimLTZV6V8STS-V
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
5-speed manual$0   
6-speed manually-shiftable automatic $1100$1100$1100
FWD$0   
RWD $0$0$0
Accessories 
Heated steering wheel  $100$100
Proximity key $250$250$250
Remote start $150$150$150
Tilt/telescoping steering wheel, manual$250   
Tilt/telescoping steering wheel, power $350$350$350
Universal garage door opener  $100$100
Brakes, Airbags, and Other Safety 
4-wheel disc brakes $150$150$150
Blind spot warning system   $200
Knee airbag, driver$75   
Knee airbag, passenger$75   
Lane departure warning   $200
Obstacle detection, rear $250$250$250
Rear side airbags$300   
Rollover sensor$50   
Tires, run-flat   $150
Cargo Management 
Cargo net  $40$40
Rear seat pass-through $100$100$100
Climate Control 
Automatic air recirculation $100$100$100
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  
Drivetrain 
Limited-slip rear differential   $300
Exterior 
Bright-finished exhaust tip(s) $25$25$25
Laminated front side windows $200$200$200
Rear spoiler   $200
Sunroof$900$900 $900
Infotainment 
Aux input$50   
Bluetooth audio streaming$25   
Bluetooth cell phone link$100  $100
CD changer, in-dash  $325$325
CD player$125$125  
DVD-Audio-compatible player  $0 
DVD-compatible player   $0
MP3-compatible player$50   
Navigation system   $600
Rear seat audio controls   $25
Surround sound   $250
USB port$25   
Voice control for nav and audio   $100
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 
Digital instruments$0   
Head-up display (HUD)   $350
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   
Visor mirror, passenger$10   
Xenon HID headlights   $500
Seats and Interior Trim 
Aluminum trim $100  
Center armrest(s), second row $50$50$50
Door sill trim plates $100$100$100
Folding second row seats$300   
Heated front seats$200 $200$200
Heated second row seats  $200$200
Leather door panel trim   $250
Leather seating surfaces $900$900$900
Leather-wrapped steering wheel$150$150 $150
Manual height adjuster, driver seat$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 leather seating surfaces$0   
Synthetic suede inserts in leather seating surfaces   $0
Upholstered instrument panel, leather   $1000
Wood trim  $300$300
Wood/leather-wrapped steering wheel  $150 
Suspension, Wheels, and Tires 
Alloy wheels$350  $350
Auto-leveling rear shocks  $200$200
Performance steering system (optional)   $0
Polished alloy wheels $350$350 
Sport suspension (upgrade)   $0
Total Value of Features$3,170$7,050$7,990$13,380
Value of Feature Adjustments$0$3,880$4,820$10,210
Value of Feature Adjustments0-3,621-4,510-9,372

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Specifications Comparison: Chevrolet Sonic vs. Cadillac STS

Model Year20122008
ModelSonicSTS
Body4dr Sedan4dr Sedan
Wheelbase99.4 in116.4 in
Length173.1 in196.7 in
Width68.3 in72.6 in
Height59.7 in57.6 in
Curb Weight2,728 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 Volume14.0 ft313.8 ft3

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