Audi A8 / S8 Audi A8 / S8 2018 Kia Optima Kia Optima 2018

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Audi A8 / S8 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.

Audi A8 / S8 vs. Kia Optima Invoice Comparison

Lowest Total Price: $36,895

Kia Optima SX   
Difference: $82,780

Lowest Total Invoice: $34,260

Kia Optima SX   
Difference: $77,107

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182018
ModelA8 / S8Optima
TrimS8 PlusSX
Body4dr Sedan4dr Sedan
Base Price $115,900 $30,500
Base Invoice $107,788 $28,380
Executive Plus Package 2,800  
Universal garage door opener   350
Technology Package   3,000
Limited Package   2,100
Cargo net   50
Executive Plus Package 2,604  
Universal garage door opener   291
Technology Package   2,727
Limited Package   1,925
Cargo net   42
Options (change) 2,800 5,500
Options (change) 2,604 4,985
Destination 975 895
Total Price $119,675 $36,895
Total Invoice $111,367 $34,260

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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TrueDelta Value Comparison: Audi A8 / S8 vs. Kia Optima

Lowest Adjusted Price and Invoice: Kia Optima SX
TrueDelta Adjusted Price Difference: $72,675
TrueDelta Adjusted Invoice Difference: $67,704
Model Year20182018
ModelA8 / S8Optima
TrimS8 PlusSX
Body4dr Sedan4dr Sedan
Engine605hp V8245hp I4
TransmissionT8T6
DrivetrainAWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)630, 14630, 10
Tire (rear if not all the same)275/35-21235/45-18
Total Price$119,675$36,895
Adjustments for Features-10,1050
Feature-Adjusted Total Price$109,570$36,895
Total Invoice$111,367$34,260
Adjustments for Features-9,4030
Feature-Adjusted Total Invoice$101,964$34,260

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Features Comparison: Audi A8 / S8 vs. Kia Optima

Model Year20182018
ModelA8 / S8Optima
TrimS8 PlusSX
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manually-shiftable automatic $1100
AWD$1700 
FWD $0
Accessories 
Active noise reduction$0 
Hands-free trunk or liftgate$100 
Power door closers$300 
Power trunk closer$350 
Proximity trunk or liftgate opener $125
Remote window/roof operation$15 
Sunshade, rear, power$225 
Sunshades, second row $125
Sunshades, second row, power$225 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
911 assist $25
Automatic braking, high-speed or partial $200
Collision preparation system, rear$100 
Cross-traffic warning, rear $100
Full-size spare tire$225 
Knee airbag, passenger$75 
Lane departure prevention, steering-based$200 
Obstacle detection, front$150 
Radar- or camera-based collision preparation system$0 
Rear side airbags$300 
Temporary spare tire $150
Vehicle health reports $0
Wide-view front camera$150 
Wide-view rear camera$0 
Cargo Management 
Air-conditioned storage compartment$50 
Cargo mat $40
Overhead sunglass holder $25
Rear seat pass-through$100 
Ski sack$50 
Climate Control 
Automatic air recirculation$100 
Heated windshield washer nozzles$15 
Rain-sensing wipers$175 
Rear air vents $100
Rear air vents with automatic controls$250 
Rear dual-zone climate control$125 
Residual heat$50 
Variable intermittent wipers $75
Engine / Motor 
Dual-mode exhaust, switchable$500 
Exterior 
Body kit$0 
Laminated rear side windows$100 
Painted brake calipers (optional) $0
Panoramic sunroof $1200
Sunroof$900 
Infotainment 
Android Auto support $100
App support $0
Apple CarPlay support $100
CD player$125 
DVD-compatible player$0 
Handwriting recognition$200 
In-vehicle Internet$150 
Media drive$15 
MP3-compatible player$50 
SD Card slot$25 
SMS text-to-speech reader $25
Traffic + travel information$25 
Traffic information $25
Voice control for external devices $0
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Analog clock$25 
Approach detection $25
Auto-dimming driver-side mirror$75 
Auto-dimming passenger-side mirror$75 
Cornering lights$50 
Fog light, rear$100 
Fog lights $125
Head-up display (HUD)$350 
Headlight washers$50 
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
Mirror tilt-down in reverse$25 
Seats and Interior Trim 
Carbon fiber trim$200 
Door sill trim plates$100 
Folding second row seats $300
Leather door panel trim$250 
Massage, driver seat$100 
Massage, passenger seat$100 
Memory system, passenger seat$150 
Metal pedals $75
Power 4-way lumbar adjuster, passenger seat$150 
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power lumbar adjuster, passenger seat $100
Power seat belt height adjusters, front row$25 
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Power upper seatback recliner, driver seat$100 
Power upper seatback recliner, passenger seat$100 
Synthetic suede headliner$650 
Upholstered instrument panel$300 
Suspension, Wheels, and Tires 
Active steering$1000 
Adaptive dampers - electrical$500 
Air suspension, auto-leveling and height adjustable$1000 
Alloy wheels$350 
Chrome-plated alloy wheels $850
Performance steering system (optional) $0
Sport suspension (upgrade) $0
Total Value of Features$15,495$5,390
Value of Feature Adjustments$10,105$0
Value of Feature Adjustments-9,4030

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Specifications Comparison: Audi A8 / S8 vs. Kia Optima

Model Year20182018
ModelA8 / S8Optima
Body4dr Sedan4dr Sedan
Wheelbase117.8 in110.4 in
Length202.6 in191.1 in
Width76.7 in73.2 in
Height57.4 in57.7 in
Curb Weight4,686 lb.3,220 lb.
Fuel Capacity21.7 gal.18.5 gal.
Row 1 Headroom37.2 in39.8 in
Row 1 Shoulder Room59.1 in58.1 in
Row 1 Hip Room0.0 in56.0 in
Row 1 Legroom41.4 in45.5 in
Row 2 Headroom38.1 in37.8 in
Row 2 Shoulder Room57.8 in56.4 in
Row 2 Hip Room0.0 in56.0 in
Row 2 Legroom38.7 in35.6 in
Cargo Volume14.2 ft315.9 ft3

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Option Package Details
Audi A8 / S8 S8 Plus

Executive Plus Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100No
Heated steering wheel100Yes
Ski sack50No
Radar- or camera-based collision preparation system0No
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200No
Total Requested160082%
Total Not Requested35018%

Option Package Details
Kia Optima SX

Universal garage door opener
FeatureValueRequested?
Universal garage door opener100Yes
Compass0Yes
Total Requested100100%
Total Not Requested00%
Technology Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Surround sound250Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Automatic braking, high-speed or partial200No
Forward collision warning200Yes
Harman/Kardon, 630W, 10 speakers (with subwoofer)350No
Navigation system600Yes
Voice control for nav and audio100Yes
Traffic information25Yes
HD radio50Yes
Total Requested252582%
Total Not Requested55018%
Limited Package
FeatureValueRequested?
Upgraded leather upholstery0No
Heated second row seats200Yes
Sunshades, second row125Yes
Heated steering wheel100Yes
Additional chrome trim0No
Special interior trim0No
Dark-colored headliner (optional)0No
Around view cameras300Yes
Chrome-plated alloy wheels500No
Total Requested72559%
Total Not Requested50041%

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