Mazda MX-5 Miata Mazda MX-5 Miata 2018 Kia Optima Kia Optima 2018

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Mazda MX-5 Miata 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.

Mazda MX-5 Miata vs. Kia Optima Invoice Comparison

Lowest Total Price: $31,875

Kia Optima SX   
Difference: $2,300

Lowest Total Invoice: $29,675

Kia Optima SX   
Difference: $2,604

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182018
ModelMX-5 MiataOptima
TrimRF Grand TouringSX
Body2dr Coupe4dr Sedan
Base Price $32,750 $30,500
Base Invoice $30,964 $28,380
Rear spoiler 350  
Cargo net 50 50
Cargo tray 60 80
All-weather floor mats 90  
Universal garage door opener   350
Rear spoiler 280  
Cargo net 40 42
Cargo tray 48 67
All-weather floor mats 72  
Universal garage door opener   291
Options (change) 550 480
Options (change) 440 400
Destination 875 895
Total Price $34,175 $31,875
Total Invoice $32,279 $29,675

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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 Mazda MX-5 Miata dealer quotes or Kia Optima dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mazda MX-5 Miata vs. Kia Optima

Lowest Adjusted Price and Invoice: Kia Optima SX
TrueDelta Adjusted Price Difference: $5,720
TrueDelta Adjusted Invoice Difference: $5,788
Model Year20182018
ModelMX-5 MiataOptima
TrimRF Grand TouringSX
Body2dr Coupe4dr Sedan
Engine155hp I4245hp I4
TransmissionM6T6
DrivetrainRWDFWD
EPA Fuel Economy (city/highway)26/33 MPG22/31 MPG
Audio (watts, speakers)?, 9?, 6
Tire (rear if not all the same)205/45-17235/45-18
Total Price$34,175$31,875
Adjustments for Features0-3,420
Feature-Adjusted Total Price$34,175$28,455
Total Invoice$32,279$29,675
Adjustments for Features0-3,184
Feature-Adjusted Total Invoice$32,279$26,491

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Features Comparison: Mazda MX-5 Miata vs. Kia Optima

Model Year20182018
ModelMX-5 MiataOptima
TrimRF Grand TouringSX
Body2dr Coupe4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
6-speed manually-shiftable automatic $1100
RWD$0 
FWD $0
Accessories 
Power rear side windows $200
Power retractable rear window$350 
Proximity trunk or liftgate opener $125
Tilt steering wheel, manual$150 
Tilt/telescoping steering wheel, manual $250
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Knee airbag, driver $75
Lane departure warning$200 
Obstacle detection, rear $250
Rearview camera $200
Roll bar$200 
Rollover sensor $50
Side curtain airbags $350
Temporary spare tire $150
Vehicle health reports $0
Cargo Management 
Cargo mat $40
Overhead sunglass holder $25
Climate Control 
Dual-zone climate control $125
Interior air filter $0
Rain-sensing wipers$175 
Rear air vents $100
Variable intermittent wipers $75
Exterior 
Black exterior trim (optional) $0
Laminated front side windows $200
Painted brake calipers (optional) $0
Panoramic sunroof $1200
Power retractable roof section$2000 
Infotainment 
Android Auto support $100
Apple CarPlay support $100
CD player, remote$100 
HD radio$50 
MP3-compatible player$50 
Navigation system$600 
Traffic information$25 
Voice control for external devices $0
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Approach detection $25
Auto-dimming driver-side mirror$75 
Auto-dimming headlights$200 
Fog lights $125
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Interior ambient lighting $150
LED headlights $1000
LED headlights, single projector or low beam only$750 
Power-folding mirrors $50
Turn signals on or near mirrors $25
Visor mirror, driver$10 
Visor mirror, passenger$10 
Seats and Interior Trim 
All-weather floor mats$75 
Center armrest(s), front row $75
Center armrest(s), second row $50
Cooled or ventilated front seats $300
Folding second row seats $300
Manual tilt adjuster, driver seat$50 
Memory system, driver seat $200
Metal pedals $75
No leather in second row$-300 
Power 4-way lumbar adjuster, driver seat $150
Power fore-aft adjuster, driver seat $100
Power fore-aft adjuster, passenger seat $100
Power height adjuster, driver seat $100
Power height adjuster, passenger seat $100
Power lumbar adjuster, passenger seat $100
Power recliner, driver seat $100
Power recliner, passenger seat $100
Power tilt adjuster, driver seat $100
Power tilt adjuster, passenger seat $100
Suspension, Wheels, and Tires 
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$5,470$8,890
Value of Feature Adjustments$0$3,420
Value of Feature Adjustments0-3,184

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Specifications Comparison: Mazda MX-5 Miata vs. Kia Optima

Model Year20182018
ModelMX-5 MiataOptima
Body2dr Coupe4dr Sedan
Wheelbase90.9 in110.4 in
Length154.1 in191.1 in
Width68.3 in73.2 in
Height49.0 in57.7 in
Curb Weight2,445 lb.3,494 lb.
Fuel Capacity11.9 gal.18.5 gal.
Row 1 Headroom36.8 in39.8 in
Row 1 Shoulder Room52.2 in58.1 in
Row 1 Hip Room52.0 in56.0 in
Row 1 Legroom43.1 in45.5 in
Row 2 Headroom0.0 in37.8 in
Row 2 Shoulder Room0.0 in56.4 in
Row 2 Hip Room0.0 in56.0 in
Row 2 Legroom0.0 in35.6 in
Cargo Volume4.5 ft315.9 ft3

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Option Package Details
Kia Optima SX

Universal garage door opener
FeatureValueRequested?
Universal garage door opener100Yes
Compass0Yes
Total Requested100100%
Total Not Requested00%

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