Kia K900 Kia K900 2018 Mazda MX-5 Miata Mazda MX-5 Miata 2018

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Kia K900 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 K900 vs. Mazda MX-5 Miata Invoice Comparison

Lowest Total Price: $33,825

Mazda MX-5 Miata RF Grand Touring   
Difference: $29,025

Lowest Total Invoice: $31,999

Mazda MX-5 Miata RF Grand Touring   
Difference: $26,400

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182018
ModelK900MX-5 Miata
TrimV8 LuxuryRF Grand Touring
Body4dr Sedan2dr Coupe
Base Price $61,900 $32,750
Base Invoice $57,449 $30,964
Door sill trim plates   150
Cargo net   50
Door sill trim plates   120
Cargo net   40
Options (change) 0 200
Options (change) 0 160
Destination 950 875
Total Price $62,850 $33,825
Total Invoice $58,399 $31,999

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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 K900 dealer quotes or Mazda MX-5 Miata dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Kia K900 vs. Mazda MX-5 Miata

Lowest Adjusted Price and Invoice: Mazda MX-5 Miata RF Grand Touring
TrueDelta Adjusted Price Difference: $18,825
TrueDelta Adjusted Invoice Difference: $16,922
Model Year20182018
ModelK900MX-5 Miata
TrimV8 LuxuryRF Grand Touring
Body4dr Sedan2dr Coupe
Engine420hp V8155hp I4
TransmissionT8M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)900, 17?, 9
Tire (rear if not all the same)245/45-19205/45-17
Total Price$62,850$33,825
Adjustments for Features-10,2000
Feature-Adjusted Total Price$52,650$33,825
Total Invoice$58,399$31,999
Adjustments for Features-9,4780
Feature-Adjusted Total Invoice$48,921$31,999

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Features Comparison: Kia K900 vs. Mazda MX-5 Miata

Model Year20182018
ModelK900MX-5 Miata
TrimV8 LuxuryRF Grand Touring
Body4dr Sedan2dr Coupe
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manual $150
RWD$0$0
Accessories 
Heated steering wheel$100 
Power rear side windows$200 
Power retractable rear window $350
Power trunk closer$350 
Proximity trunk or liftgate opener$125 
Remote app$25 
Remote climate control$25 
Remote start via app$75 
Sunshade, rear, power$225 
Sunshades, second row$125 
Tilt steering wheel, manual $150
Tilt/telescoping steering wheel, power$350 
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
911 assist $25
Around view cameras$500 
Obstacle detection, front$150 
Obstacle detection, rear$250 
Rear side airbags$300 
Roll bar $200
Side curtain airbags$350 
Temporary spare tire$150 
Vehicle health reports$0 
Wide-view front camera$150 
Cargo Management 
Cargo mat$40 
Overhead sunglass holder$25 
Rear seat pass-through$100 
Climate Control 
Automatic air recirculation$100 
Dual-zone climate control$125 
Interior air filter$0 
Ionizing air filtration$50 
Rear air vents with automatic controls$250 
Water-repellent front-door glass$15 
Wiper de-icer$25 
Exterior 
Laminated front side windows$200 
Laminated rear side windows$100 
Panoramic sunroof$1200 
Power retractable roof section $2000
Infotainment 
4G LTE connectivity$0 
CD player$125 
CD player, remote $100
DVD-compatible player$0 
Media drive$15 
Surround sound$250 
Telematics service, such as OnStar$200 
Voice control for external devices$0 
Instruments, Lights, and Mirrors 
Analog clock$25 
Approach detection$25 
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Fog lights$125 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Interior ambient lighting$150 
Large color reconfigurable instrument cluster display$250 
LED headlights$1000 
LED headlights, single projector or low beam only $750
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
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 
Door sill trim plates $100
Heated second row seats$200 
Illuminated door sill trim plates$200 
Leather door panel trim$250 
Leather-wrapped steering wheel $150
Manual tilt adjuster, driver seat $50
Memory system, driver seat$200 
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 recliner, driver seat$100 
Power recliner, passenger seat$100 
Power tilt adjuster, driver seat$100 
Synthetic suede headliner$650 
Upholstered instrument panel, leather$1000 
Wood trim$300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Adaptive dampers - mechanical$100 
Alloy wheels $350
Chrome-plated alloy wheels$850 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$14,595$4,395
Value of Feature Adjustments$10,200$0
Value of Feature Adjustments-9,4780

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Specifications Comparison: Kia K900 vs. Mazda MX-5 Miata

Model Year20182018
ModelK900MX-5 Miata
Body4dr Sedan2dr Coupe
Wheelbase119.9 in90.9 in
Length200.6 in154.1 in
Width74.8 in68.3 in
Height58.5 in49.0 in
Curb Weight4,556 lb.2,446 lb.
Fuel Capacity19.8 gal.11.9 gal.
Row 1 Headroom40.2 in36.8 in
Row 1 Shoulder Room59.1 in52.2 in
Row 1 Hip Room55.9 in52.0 in
Row 1 Legroom45.9 in43.1 in
Row 2 Headroom37.6 in0.0 in
Row 2 Shoulder Room57.2 in0.0 in
Row 2 Hip Room55.7 in0.0 in
Row 2 Legroom38.2 in0.0 in
Cargo Volume15.9 ft34.5 ft3

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