Kia Optima Kia Optima 2018 Lexus GS Lexus GS 2006

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Kia Optima vs. Lexus GS 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.

Kia Optima vs. Lexus GS Invoice Comparison

Lowest Total Price: $34,745

Kia Optima SX   
Difference: $24,325

Lowest Total Invoice: $32,293

Kia Optima SX   
Difference: $18,791

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182006
ModelOptimaGS
TrimSX430
Body4dr Sedan4dr Sedan
Base Price $30,500 $51,375
Base Invoice $28,380 $44,694
Universal garage door opener 350  
Technology Package 3,000  
Navigation system   2,250
Adaptive cruise control   2,850
Rear spoiler   200
Cooled or ventilated front seats   200
Obstacle detection, rear   500
Sunroof   1,000
Universal garage door opener 291  
Technology Package 2,727  
Navigation system   1,895
Adaptive cruise control   2,280
Rear spoiler   160
Cooled or ventilated front seats   160
Obstacle detection, rear   400
Sunroof   800
Options (change) 3,350 7,000
Options (change) 3,018 5,695
Destination 895 695
Total Price $34,745 $59,070
Total Invoice $32,293 $51,084

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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 Kia Optima dealer quotes or Lexus GS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Kia Optima vs. Lexus GS

Lowest Adjusted Price and Invoice: Kia Optima SX
TrueDelta Adjusted Price Difference: $25,435
TrueDelta Adjusted Invoice Difference: $19,823
Model Year20182006
ModelOptimaGS
TrimSX430
Body4dr Sedan4dr Sedan
Engine245hp I4300hp V8
TransmissionT6T6
DrivetrainFWDRWD
EPA Fuel Economy (city/highway)22/31 MPG18/25 MPG
Audio (watts, speakers)630, 10134, 10
Tire (rear if not all the same)235/45-18245/40-18
Total Price$34,745$59,070
Adjustments for Features-1,1100
Feature-Adjusted Total Price$33,635$59,070
Total Invoice$32,293$51,084
Adjustments for Features-1,0320
Feature-Adjusted Total Invoice$31,261$51,084

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Features Comparison: Kia Optima vs. Lexus GS

Model Year20182006
ModelOptimaGS
TrimSX430
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
FWD$0 
RWD $0
Accessories 
Adaptive cruise control $600
Adaptive cruise control, all-speed$850 
Power trunk / liftgate pull-down $50
Proximity trunk or liftgate opener$125 
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
911 assist$25 
Active or whiplash-reducing head restraints, front seats$0 
Automatic braking, low-speed$200 
Blind spot warning system$200 
Cross-traffic warning, rear$100 
Forward collision warning$200 
Knee airbag, passenger $75
Lane departure warning$200 
Obstacle detection, front $150
Radar- or camera-based collision preparation system $0
Rollover sensor$50 
Vehicle health reports$0 
Cargo Management 
Cargo mat$40 
Rear seat pass-through $100
Climate Control 
Water-repellent front-door glass $15
Exterior 
Black exterior trim (optional)$0 
Laminated front side windows$200 
Painted brake calipers (optional)$0 
Panoramic sunroof$1200 
Sunroof $900
Infotainment 
Android Auto support$100 
App support$0 
Apple CarPlay support$100 
Aux input$50 
Bluetooth audio streaming$25 
Cassette player $50
CD changer, in-dash $325
HD radio$50 
Satellite radio$200 
SMS text-to-speech reader$25 
Surround sound$250 
Traffic information$25 
Voice control for external devices$0 
Instruments, Lights, and Mirrors 
Approach detection$25 
Auto-dimming driver-side mirror $75
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
LED headlights$1000 
Mirror tilt-down in reverse $25
Turn signals on or near mirrors$25 
Xenon HID headlights $500
Seats and Interior Trim 
Folding second row seats$300 
Leather-wrapped steering wheel$150 
Memory system, passenger seat $150
Power 4-way lumbar adjuster, driver seat$150 
Power lumbar adjuster, driver seat $100
Wood trim $300
Wood/leather-wrapped steering wheel $150
Suspension, Wheels, and Tires 
Active steering $1000
Adaptive dampers - electrical $500
Alloy wheels $350
Electronic systems calibration selector$200 
Machined alloy wheels$350 
Performance steering system (optional)$0 
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$8,065$6,955
Value of Feature Adjustments$1,110$0
Value of Feature Adjustments-1,0320

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Specifications Comparison: Kia Optima vs. Lexus GS

Model Year20182006
ModelOptimaGS
Body4dr Sedan4dr Sedan
Wheelbase110.4 in112.2 in
Length191.1 in190.0 in
Width73.2 in71.7 in
Height57.7 in56.1 in
Curb Weight3,494 lb.3,916 lb.
Fuel Capacity18.5 gal.18.8 gal.
Row 1 Headroom39.8 in37.8 in
Row 1 Shoulder Room58.1 in56.3 in
Row 1 Hip Room56.0 in54.4 in
Row 1 Legroom45.5 in43.5 in
Row 2 Headroom37.8 in37.0 in
Row 2 Shoulder Room56.4 in55.1 in
Row 2 Hip Room56.0 in51.4 in
Row 2 Legroom35.6 in36.4 in
Cargo Volume15.9 ft312.7 ft3

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Option Package Details
Kia Optima SX

Technology Package
FeatureValueRequested?
Auto-dimming headlights200No
Surround sound250No
Lane departure warning200No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Automatic braking, high-speed or partial200Yes
Forward collision warning200No
Harman/Kardon, 630W, 10 speakers (with subwoofer)350No
Navigation system600Yes
Voice control for nav and audio100Yes
Traffic information25No
HD radio50No
Total Requested90029%
Total Not Requested217571%

Option Package Details
Lexus GS 430

Navigation system
FeatureValueRequested?
Navigation system600Yes
Rearview camera200Yes
Voice control for nav and audio100Yes
Total Requested900100%
Total Not Requested00%
Adaptive cruise control
FeatureValueRequested?
Adaptive cruise control450Yes
Radar- or camera-based collision preparation system0No
Automatic braking, high-speed200Yes
Total Requested650100%
Total Not Requested00%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%

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