Kia Optima Kia Optima 2018 Mazda MX-5 Miata Mazda MX-5 Miata 2015

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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: $26,750

Mazda MX-5 Miata Sport   
Difference: $4,695

Lowest Total Invoice: $25,123

Mazda MX-5 Miata Sport   
Difference: $4,194

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182015
ModelOptimaMX-5 Miata
TrimSXSport
Body4dr Sedan2dr Convertible
Base Price $30,500 $23,970
Base Invoice $28,380 $22,671
Cargo net 50 50
Convenience Package   1,080
Rear spoiler   400
Satellite radio   430
Cargo net 42 40
Convenience Package   928
Rear spoiler   320
Satellite radio   344
Options (change) 50 1,960
Options (change) 42 1,632
Destination 895 820
Total Price $31,445 $26,750
Total Invoice $29,317 $25,123

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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: $2,575
TrueDelta Adjusted Invoice Difference: $2,584
Model Year20182015
ModelOptimaMX-5 Miata
TrimSXSport
Body4dr Sedan2dr Convertible
Engine245hp I4167hp I4
TransmissionT6M5
DrivetrainFWDRWD
EPA Fuel Economy (city/highway)22/31 MPG22/28 MPG
Audio (watts, speakers)?, 6?, 6
Tire (rear if not all the same)235/45-18205/50-16
Total Price$31,445$26,750
Adjustments for Features-7,2700
Feature-Adjusted Total Price$24,175$26,750
Total Invoice$29,317$25,123
Adjustments for Features-6,7780
Feature-Adjusted Total Invoice$22,539$25,123

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

Model Year20182015
ModelOptimaMX-5 Miata
TrimSXSport
Body4dr Sedan2dr Convertible
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
5-speed manual $0
FWD$0 
RWD $0
Accessories 
Power rear side windows$200 
Proximity key$250 
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 
911 assist$25 
Active or whiplash-reducing head restraints, front seats$0 
Blind spot warning system$200 
Cross-traffic warning, rear$100 
Knee airbag, driver$75 
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 
Automatic climate control, front$200 
Dual-zone climate control$125 
Interior air filter$0 
Intermittent wipers $0
Rear air vents$100 
Variable intermittent wipers$75 
Exterior 
Black exterior trim (optional)$0 
Convertible top $3000
Laminated front side windows$200 
Painted brake calipers (optional)$0 
Panoramic sunroof$1200 
Infotainment 
Android Auto support$100 
App support$0 
Apple CarPlay support$100 
Aux input$50 
Bluetooth audio streaming$25 
Bluetooth cell phone link$100 
CD player $125
MP3-compatible player $50
SMS text-to-speech reader$25 
USB port$25 
Voice control for external devices$0 
Instruments, Lights, and Mirrors 
Approach detection$25 
Auto-dimming rearview mirror$150 
Automatic headlights$125 
Heated mirrors$25 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Interior ambient lighting$150 
LED headlights$1000 
Power-folding mirrors$50 
Steering-linked headlights$150 
Turn signals on or near mirrors$25 
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Center armrest(s), front row$75 
Center armrest(s), second row$50 
Cooled or ventilated front seats$300 
Folding second row seats$300 
Heated front seats$200 
Leather seating surfaces$900 
Manual height adjuster, driver seat $50
Memory system, driver seat$200 
Metal pedals$75 
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$11,315$4,045
Value of Feature Adjustments$7,270$0
Value of Feature Adjustments-6,7780

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

Model Year20182015
ModelOptimaMX-5 Miata
Body4dr Sedan2dr Convertible
Wheelbase110.4 in91.7 in
Length191.1 in157.3 in
Width73.2 in67.7 in
Height57.7 in49.0 in
Curb Weight3,494 lb.2,447 lb.
Fuel Capacity18.5 gal.12.7 gal.
Row 1 Headroom39.8 in37.4 in
Row 1 Shoulder Room58.1 in53.2 in
Row 1 Hip Room56.0 in50.6 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 ft35.3 ft3

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Option Package Details
Mazda MX-5 Miata Sport

Convenience Package
FeatureValueRequested?
Audio controls on steering wheel125Yes
Cruise control150Yes
Power locks275Yes
Remote keyless entry225Yes
Trip computer150Yes
Outside temperature display50Yes
Total Requested975100%
Total Not Requested00%

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