Cadillac STS Cadillac STS 2011 Kia Optima Kia Optima 2018

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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: $37,320

Kia Optima SX   
Difference: $22,775

Lowest Total Invoice: $34,613

Kia Optima SX   
Difference: $21,810

Calculate Payments

  Down Payment Interest Rate Term
Model Year201120112018
ModelSTSSTSOptima
TrimLuxuryPremiumSX
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $50,820 $56,380 $30,500
Base Invoice $48,024 $53,279 $28,380
Premium Luxury Collection 4,600 2,840  
Luxury Level Two Package 3,950    
Limited Package     2,100
Technology Package     3,000
Cargo net     50
Universal garage door opener     350
Remote start     425
Premium Luxury Collection 4,048 2,499  
Luxury Level Two Package 3,476    
Limited Package     1,925
Technology Package     2,727
Cargo net     42
Universal garage door opener     291
Remote start     353
Options (change) 8,550 2,840 5,925
Options (change) 7,524 2,499 5,338
Destination 875 875 895
Total Price $60,245 $60,095 $37,320
Total Invoice $56,423 $56,653 $34,613

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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 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 SX
TrueDelta Adjusted Price Difference: $25,540
TrueDelta Adjusted Invoice Difference: $24,594
Model Year201120112018
ModelSTSSTSOptima
TrimLuxuryPremiumSX
Body4dr Sedan4dr Sedan4dr Sedan
Engine302hp V6302hp V6245hp I4
TransmissionT6T6T6
DrivetrainRWDRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15?, 8630, 10
Tire (rear if not all the same)235/50-17235/50-18235/45-18
Total Price$60,245$60,095$37,320
Adjustments for Features0-700-3,465
Feature-Adjusted Total Price$60,245$59,395$33,855
Cost Above Minimum$850$0$0
Total Invoice$56,423$56,653$34,613
Adjustments for Features0-660-3,214
Feature-Adjusted Total Invoice$56,423$55,993$31,399
Cost Above Minimum$430$0$0

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Features Comparison: Cadillac STS vs. Kia Optima

Model Year201120112018
ModelSTSSTSOptima
TrimLuxuryPremiumSX
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100
RWD$0$0 
FWD  $0
Accessories 
Adaptive cruise control, all-speed  $850
Cruise control$150$150 
Proximity trunk or liftgate opener  $125
Sunshades, second row  $125
Tilt/telescoping steering wheel, manual  $250
Tilt/telescoping steering wheel, power$350$350 
Brakes, Airbags, and Other Safety 
911 assist  $25
Active or whiplash-reducing head restraints, front seats  $0
Around view cameras  $500
Automatic braking, high-speed or partial  $200
Automatic braking, low-speed  $200
Cross-traffic warning, rear  $100
Forward collision warning  $200
Knee airbag, driver  $75
Rollover sensor  $50
Vehicle health reports  $0
Cargo Management 
Cargo mat  $40
Overhead sunglass holder  $25
Rear seat pass-through$100$100 
Climate Control 
Automatic air recirculation$100$100 
Rear air vents  $100
Rear air vents with manual controls$150$150 
Drivetrain 
Limited-slip rear differential $300 
Exterior 
Painted brake calipers (optional)  $0
Panoramic sunroof  $1200
Rear spoiler $200$200
Sunroof$900$900 
Infotainment 
Android Auto support  $100
App support  $0
Apple CarPlay support  $100
Aux input  $50
Bluetooth audio streaming  $25
CD changer, in-dash$325$325 
DVD-compatible player$0$0 
HD radio  $50
Rear seat audio controls$25$25 
SMS text-to-speech reader  $25
Telematics service, such as OnStar, with navigation$225$225 
Traffic information  $25
USB port  $25
Voice control for external devices  $0
Instruments, Lights, and Mirrors 
Approach detection  $25
Auto-dimming driver-side mirror$75$75 
Compass$0 $0
Head-up display (HUD)$350$350 
Headlight washers$50$50 
Interior ambient lighting  $150
LED headlights  $1000
Power-folding mirrors  $50
Steering-linked headlights  $150
Xenon HID headlights$500$500 
Seats and Interior Trim 
Door sill trim plates$100$100 
Folding second row seats  $300
Leather-wrapped steering wheel  $150
Metal pedals  $75
Power 4-way lumbar adjuster, passenger seat$150$150 
Power lumbar adjuster, passenger seat  $100
Wood trim$300$300 
Wood/leather-wrapped steering wheel$150$150 
Suspension, Wheels, and Tires 
Auto-leveling rear shocks $200 
Chrome-plated alloy wheels  $850
Electronic systems calibration selector  $200
Performance steering system (optional)  $0
Polished alloy wheels$350$350 
Sport suspension (upgrade) $0$0
Transmission 
Steering-wheel-mounted transmission controls  $100
Total Value of Features$5,450$6,150$8,915
Value of Feature Adjustments$0$700$3,465
Value of Feature Adjustments0-660-3,214

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Specifications Comparison: Cadillac STS vs. Kia Optima

Model Year20112018
ModelSTSOptima
Body4dr Sedan4dr Sedan
Wheelbase116.4 in110.4 in
Length196.7 in191.1 in
Width72.6 in73.2 in
Height57.6 in57.7 in
Curb Weight3,974 lb.3,220 lb.
Fuel Capacity17.0 gal.18.5 gal.
Row 1 Headroom38.7 in39.8 in
Row 1 Shoulder Room58.6 in58.1 in
Row 1 Hip Room54.6 in56.0 in
Row 1 Legroom42.6 in45.5 in
Row 2 Headroom37.9 in37.8 in
Row 2 Shoulder Room57.4 in56.4 in
Row 2 Hip Room55.6 in56.0 in
Row 2 Legroom38.3 in35.6 in
Cargo Volume13.8 ft315.9 ft3

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Option Package Details
Cadillac STS Luxury

Premium Luxury Collection
FeatureValueRequested?
Sunroof900Yes
Termporary spare tire150Yes
Head-up display (HUD)350No
Lane departure warning system200Yes
Blind spot warning system200Yes
Total Requested145081%
Total Not Requested35019%
Luxury Level Two Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200Yes
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested165080%
Total Not Requested42520%

Option Package Details
Cadillac STS Premium

Premium Luxury Collection
FeatureValueRequested?
Sunroof900Yes
Termporary spare tire150Yes
Head-up display (HUD)350No
Lane departure warning system200Yes
Blind spot warning system200Yes
Total Requested145081%
Total Not Requested35019%

Option Package Details
Kia Optima SX

Universal garage door opener
FeatureValueRequested?
Universal garage door opener100Yes
Compass0No
Total Requested100100%
Total Not Requested00%
Limited Package
FeatureValueRequested?
Upgraded leather upholstery0No
Heated second row seats200Yes
Sunshades, second row125No
Heated steering wheel100Yes
Additional chrome trim0No
Special interior trim0No
Dark-colored headliner (optional)0No
Around view cameras300No
Chrome-plated alloy wheels500No
Total Requested30024%
Total Not Requested92576%
Technology Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Surround sound250Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Automatic braking, high-speed or partial200No
Forward collision warning200No
Harman/Kardon, 630W, 10 speakers (with subwoofer)350No
Navigation system600Yes
Voice control for nav and audio100Yes
Traffic information25No
HD radio50No
Total Requested135044%
Total Not Requested172556%

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