Cadillac STS Cadillac STS 2011 Kia Optima Kia Optima 2006

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Cadillac STS vs. Kia Optima 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. Kia Optima Invoice Comparison

Lowest Total Price: $22,165

Kia Optima EX   
Difference: $30,730

Lowest Total Invoice: $20,317

Kia Optima EX   
Difference: $29,638

Calculate Payments

  Down Payment Interest Rate Term
Model Year201120112006
ModelSTSSTSOptima
TrimLuxuryPremiumEX
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $50,820 $56,380 $19,100
Base Invoice $48,024 $53,279 $17,605
Sunroof 1,200 1,200  
Leather Package     1,000
Floor mats     85
Rear spoiler     220
Antilock brakes (ABS)     795
CD changer, remote     375
Sunroof 1,056 1,056  
Leather Package     890
Floor mats     65
Rear spoiler     169
Antilock brakes (ABS)     710
CD changer, remote     288
Options (change) 1,200 1,200 2,475
Options (change) 1,056 1,056 2,122
Destination 875 875 590
Total Price $52,895 $58,455 $22,165
Total Invoice $49,955 $55,210 $20,317

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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 Kia Optima 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. Kia Optima

Lowest Adjusted Price and Invoice: Kia Optima EX
TrueDelta Adjusted Price Difference: $25,990
TrueDelta Adjusted Invoice Difference: $25,161
Model Year201120112006
ModelSTSSTSOptima
TrimLuxuryPremiumEX
Body4dr Sedan4dr Sedan4dr Sedan
Engine302hp V6302hp V6138hp I4
TransmissionT6T6T4
DrivetrainRWDRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8300, 15120, 6
Tire (rear if not all the same)235/50-17235/50-18205/60-15
Total Price$52,895$58,455$22,165
Adjustments for Features-4,740-7,1650
Feature-Adjusted Total Price$48,155$51,290$22,165
Cost Above Minimum$0$3,135$0
Total Invoice$49,955$55,210$20,317
Adjustments for Features-4,477-6,7670
Feature-Adjusted Total Invoice$45,478$48,443$20,317
Cost Above Minimum$0$2,965$0

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Features Comparison: Cadillac STS vs. Kia Optima

Model Year201120112006
ModelSTSSTSOptima
TrimLuxuryPremiumEX
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100 
4-speed manually-shiftable automatic  $900
RWD$0$0 
FWD  $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 
Brakes, Airbags, and Other Safety 
Brake assist$50$50 
Obstacle detection, rear$250$250 
Side curtain airbags$350$350 
Stability control$400$400 
Tire-pressure monitor$75$75 
Traction control$100$100 
Cargo Management 
Cargo net$40$40 
Rear seat pass-through$100$100 
Climate Control 
Dual-zone climate control$125$125 
Interior air filter$0$0 
Rear air vents with manual controls$150$150 
Drivetrain 
Limited-slip rear differential $300 
Exterior 
Bodyside moldings  $75
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 
Bluetooth cell phone link$100$100 
Cassette player  $50
CD changer, in-dash$325$325 
CD changer, remote  $200
CD player  $125
DVD-compatible player $0 
Navigation system $600 
Rear seat audio controls $25 
Satellite radio$200$200 
Surround sound $250 
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  
Headlight washers $50 
Outside temperature display$50$50 
Trip computer$150$150 
Turn signals on or near mirrors$25$25 
Xenon HID headlights $500 
Seats and Interior Trim 
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 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 height adjuster, passenger 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$7,290$9,715$2,550
Value of Feature Adjustments$4,740$7,165$0
Value of Feature Adjustments-4,477-6,7670

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Specifications Comparison: Cadillac STS vs. Kia Optima

Model Year20112006
ModelSTSOptima
Body4dr Sedan4dr Sedan
Wheelbase116.4 in106.3 in
Length196.7 in185.8 in
Width72.6 in71.5 in
Height57.6 in55.5 in
Curb Weight3,974 lb.3,282 lb.
Fuel Capacity17.0 gal.17.2 gal.
Row 1 Headroom38.7 in39.0 in
Row 1 Shoulder Room58.6 in56.9 in
Row 1 Hip Room54.6 in55.8 in
Row 1 Legroom42.6 in43.3 in
Row 2 Headroom37.9 in37.6 in
Row 2 Shoulder Room57.4 in55.7 in
Row 2 Hip Room55.6 in54.4 in
Row 2 Legroom38.3 in36.2 in
Cargo Volume13.8 ft313.6 ft3

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Option Package Details
Kia Optima EX

Leather Package
FeatureValueRequested?
Leather seating surfaces900Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Total Requested1100100%
Total Not Requested00%

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