Saturn ION Saturn ION 2007 Cadillac STS Cadillac STS 2011

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Saturn ION 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.

Saturn ION vs. Cadillac STS Invoice Comparison

Lowest Total Price: $18,420

Saturn ION 3   
Difference: $34,475

Lowest Total Invoice: $17,215

Saturn ION 3   
Difference: $32,740

Calculate Payments

  Down Payment Interest Rate Term
Model Year200720112011
ModelIONSTSSTS
Trim3LuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $14,700 $50,820 $56,380
Base Invoice $13,745 $48,024 $53,279
Sun and Sound Package 840    
Travel Package 200    
Antilock brakes (ABS) 400    
Leather seating surfaces 700    
Floor mats 80    
Side curtain airbags 395    
CD changer, in-dash 240    
Rear spoiler 275    
Sunroof   1,200 1,200
Sun and Sound Package 773    
Travel Package 184    
Antilock brakes (ABS) 368    
Leather seating surfaces 644    
Floor mats 74    
Side curtain airbags 363    
CD changer, in-dash 221    
Rear spoiler 253    
Sunroof   1,056 1,056
Options (change) 3,130 1,200 1,200
Options (change) 2,880 1,056 1,056
Destination 590 875 875
Total Price $18,420 $52,895 $58,455
Total Invoice $17,215 $49,955 $55,210

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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 Saturn ION dealer quotes or Cadillac STS 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: Saturn ION vs. Cadillac STS

Lowest Adjusted Price and Invoice: Saturn ION 3
TrueDelta Adjusted Price Difference: $28,555
TrueDelta Adjusted Invoice Difference: $27,149
Model Year200720112011
ModelIONSTSSTS
Trim3LuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan
Engine145hp I4302hp V6302hp V6
TransmissionM5T6T6
DrivetrainFWDRWDRWD
EPA Fuel Economy (city/highway)23/29 MPG17/26 MPG17/26 MPG
Audio (watts, speakers)160, 6?, 8300, 15
Tire (rear if not all the same)205/55-16235/50-17235/50-18
Total Price$18,420$52,895$58,455
Adjustments for Features0-5,920-8,345
Feature-Adjusted Total Price$18,420$46,975$50,110
Cost Above Minimum$0$0$3,135
Total Invoice$17,215$49,955$55,210
Adjustments for Features0-5,591-7,882
Feature-Adjusted Total Invoice$17,215$44,364$47,328
Cost Above Minimum$0$0$2,964

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Features Comparison: Saturn ION vs. Cadillac STS

Model Year200720112011
ModelIONSTSSTS
Trim3LuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
5-speed manual$0  
6-speed manually-shiftable automatic $1100$1100
FWD$0  
RWD $0$0
Accessories 
Heated steering wheel $100$100
Proximity key $250$250
Remote start $150$150
Tilt steering wheel, manual$150  
Tilt/telescoping steering wheel, power $350$350
Universal garage door opener $100$100
Brakes, Airbags, and Other Safety 
4-wheel disc brakes $150$150
Brake assist $50$50
Front side airbags $350$350
Obstacle detection, rear $250$250
Stability control $400$400
Tire-pressure monitor $75$75
Cargo Management 
Cargo net $40$40
Rear seat pass-through $100$100
Climate Control 
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 
Bodyside cladding$350  
Bright-finished exhaust tip(s) $25$25
Laminated front side windows $200$200
Rear spoiler$200 $200
Infotainment 
Audio controls on steering wheel $125$125
Aux input$50  
Bluetooth cell phone link $100$100
DVD-compatible player  $0
MP3-compatible player$50  
Navigation system  $600
Rear seat audio controls  $25
Surround sound  $250
Telematics service, such as OnStar$200  
Telematics service, such as OnStar, with navigation $225$225
Voice control for nav and audio  $100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75$75
Auto-dimming headlights  $200
Compass$0$0 
Headlight washers  $50
Heated mirrors $25$25
Illuminated visor mirror, driver $50$50
Illuminated visor mirror, passenger $50$50
Trip computer $150$150
Turn signals on or near mirrors $25$25
Visor mirror, driver$10  
Visor mirror, passenger$10  
Xenon HID headlights  $500
Seats and Interior Trim 
Center armrest(s), second row $50$50
Cooled or ventilated front seats $300$300
Folding second row seats$300  
Heated front seats $200$200
Heated second row seats $200$200
Leather-wrapped steering wheel$150  
Manual height adjuster, driver seat$50  
Manual lumbar 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
Power fore-aft adjuster, passenger seat $100$100
Power height adjuster, driver seat $100$100
Power height adjuster, passenger seat $100$100
Power recliner, driver seat $100$100
Power recliner, passenger seat $100$100
Power tilt adjuster, driver seat $100$100
Power tilt adjuster, passenger seat $100$100
Wood trim $300$300
Wood/leather-wrapped steering wheel $150$150
Suspension, Wheels, and Tires 
Alloy wheels$350  
Auto-leveling rear shocks  $200
Polished alloy wheels $350$350
Sport suspension (upgrade)  $0
Total Value of Features$1,920$7,840$10,265
Value of Feature Adjustments$0$5,920$8,345
Value of Feature Adjustments0-5,591-7,882

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Specifications Comparison: Saturn ION vs. Cadillac STS

Model Year20072011
ModelIONSTS
Body4dr Sedan4dr Sedan
Wheelbase103.2 in116.4 in
Length184.5 in196.7 in
Width67.2 in72.6 in
Height57.4 in57.6 in
Curb Weight2,901 lb.3,973 lb.
Fuel Capacity13.0 gal.17.0 gal.
Row 1 Headroom40.0 in38.7 in
Row 1 Shoulder Room53.7 in58.6 in
Row 1 Hip Room49.5 in54.6 in
Row 1 Legroom42.2 in42.6 in
Row 2 Headroom37.0 in37.9 in
Row 2 Shoulder Room52.8 in57.4 in
Row 2 Hip Room48.6 in55.6 in
Row 2 Legroom33.3 in38.3 in
Cargo Volume14.7 ft313.8 ft3

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Option Package Details
Saturn ION 3

Sun and Sound Package
FeatureValueRequested?
Sunroof900Yes
Satellite radio200Yes
Unbranded, 160W, 6 speakers350No
Total Requested110076%
Total Not Requested35024%
Travel Package
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Outside temperature display50Yes
Compass0Yes
Map lights25No
Total Requested20089%
Total Not Requested2511%

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