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

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Kia Optima vs. Mazda MX-5 Miata 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. Mazda MX-5 Miata 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
ModelOptimaMX-5 Miata
TrimSXRF Grand Touring
Body4dr Sedan2dr Coupe
Base Price $30,500 $32,750
Base Invoice $28,380 $30,964
Universal garage door opener 350  
Cargo net 50 50
Cargo tray 80 60
Rear spoiler   350
All-weather floor mats   90
Universal garage door opener 291  
Cargo net 42 40
Cargo tray 67 48
Rear spoiler   280
All-weather floor mats   72
Options (change) 480 550
Options (change) 400 440
Destination 895 875
Total Price $31,875 $34,175
Total Invoice $29,675 $32,279

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

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

Lowest Adjusted Price and Invoice: Kia Optima SX
TrueDelta Adjusted Price Difference: $5,720
TrueDelta Adjusted Invoice Difference: $5,788
Model Year20182018
ModelOptimaMX-5 Miata
TrimSXRF Grand Touring
Body4dr Sedan2dr Coupe
Engine245hp I4155hp I4
TransmissionT6M6
DrivetrainFWDRWD
EPA Fuel Economy (city/highway)22/31 MPG26/33 MPG
Audio (watts, speakers)?, 6?, 9
Tire (rear if not all the same)235/45-18205/45-17
Total Price$31,875$34,175
Adjustments for Features-3,4200
Feature-Adjusted Total Price$28,455$34,175
Total Invoice$29,675$32,279
Adjustments for Features-3,1840
Feature-Adjusted Total Invoice$26,491$32,279

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

Model Year20182018
ModelOptimaMX-5 Miata
TrimSXRF Grand Touring
Body4dr Sedan2dr Coupe
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
6-speed manual $150
FWD$0 
RWD $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$8,890$5,470
Value of Feature Adjustments$3,420$0
Value of Feature Adjustments-3,1840

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

Model Year20182018
ModelOptimaMX-5 Miata
Body4dr Sedan2dr Coupe
Wheelbase110.4 in90.9 in
Length191.1 in154.1 in
Width73.2 in68.3 in
Height57.7 in49.0 in
Curb Weight3,494 lb.2,445 lb.
Fuel Capacity18.5 gal.11.9 gal.
Row 1 Headroom39.8 in36.8 in
Row 1 Shoulder Room58.1 in52.2 in
Row 1 Hip Room56.0 in52.0 in
Row 1 Legroom45.5 in43.1 in
Row 2 Headroom37.8 in0.0 in
Row 2 Shoulder Room56.4 in0.0 in
Row 2 Hip Room56.0 in0.0 in
Row 2 Legroom35.6 in0.0 in
Cargo Volume15.9 ft34.5 ft3

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