Mazda RX-8 Mazda RX-8 2008 Kia K900 Kia K900 2018

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Mazda RX-8 vs. Kia K900 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 RX-8 vs. Kia K900 Invoice Comparison

Lowest Total Price: $34,205

Mazda RX-8 Manual   
Difference: $28,645

Lowest Total Invoice: $31,494

Mazda RX-8 Manual   
Difference: $26,905

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082018
ModelRX-8K900
TrimManualV8 Luxury
Body4dr Coupe4dr Sedan
Base Price $26,435 $61,900
Base Invoice $24,458 $57,449
Grand Touring Package 4,635  
Temporary spare tire 395  
Navigation system 2,000  
Cargo net 40  
Cargo mat 50  
Grand Touring Package 4,277  
Temporary spare tire 320  
Navigation system 1,721  
Cargo net 32  
Cargo mat 36  
Options (change) 7,120 0
Options (change) 6,386 0
Destination 650 950
Total Price $34,205 $62,850
Total Invoice $31,494 $58,399

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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 RX-8 dealer quotes or Kia K900 dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Mazda RX-8 vs. Kia K900

Lowest Adjusted Price and Invoice: Mazda RX-8 Manual
TrueDelta Adjusted Price Difference: $16,815
TrueDelta Adjusted Invoice Difference: $15,913
Model Year20082018
ModelRX-8K900
TrimManualV8 Luxury
Body4dr Coupe4dr Sedan
Engine232hp R2420hp V8
TransmissionM6T8
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)16/22 MPG15/23 MPG
Audio (watts, speakers)300, 9900, 17
Tire (rear if not all the same)225/45-18245/45-19
Total Price$34,205$62,850
Adjustments for Features0-11,830
Feature-Adjusted Total Price$34,205$51,020
Total Invoice$31,494$58,399
Adjustments for Features0-10,992
Feature-Adjusted Total Invoice$31,494$47,407

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Features Comparison: Mazda RX-8 vs. Kia K900

Model Year20082018
ModelRX-8K900
TrimManualV8 Luxury
Body4dr Coupe4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
8-speed manually-shiftable automatic $1300
RWD$0$0
Accessories 
Heated steering wheel $100
Power rear side windows $200
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
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Around view cameras $500
Blind spot warning system $200
Brake assist $50
Cross-traffic warning, rear $100
Lane departure warning $200
Obstacle detection, front $150
Obstacle detection, rear $250
Rear side airbags $300
Vehicle health reports $0
Wide-view front camera $150
Cargo Management 
Second-row high console$250 
Climate Control 
Automatic air recirculation $100
Automatic climate control, front $200
Dual-zone climate control $125
Ionizing air filtration $50
Rain-sensing wipers $175
Rear air vents with automatic controls $250
Variable intermittent wipers$75 
Water-repellent front-door glass $15
Wiper de-icer $25
Drivetrain 
Limited-slip rear differential$300 
Exterior 
Laminated front side windows $200
Laminated rear side windows $100
Panoramic sunroof $1200
Sunroof$900 
Infotainment 
4G LTE connectivity $0
App support $0
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
CD changer, in-dash$325 
CD player $125
DVD-compatible player $0
HD radio $50
Media drive $15
MP3-compatible player $50
Satellite radio $200
SMS text-to-speech reader $25
Surround sound $250
Telematics service, such as OnStar $200
Traffic information $25
USB port $25
Voice control for external devices $0
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Analog clock $25
Approach detection $25
Auto-dimming driver-side mirror $75
Auto-dimming passenger-side mirror $75
Automatic headlights $125
Compass $0
Interior ambient lighting $150
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Trip computer $150
Turn signals on or near mirrors $25
Xenon HID headlights$500 
Seats and Interior Trim 
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 
Memory system, driver seat $200
Metal pedals$75 
Power 4-way lumbar adjuster, driver seat $150
Power fore-aft adjuster, passenger seat $100
Power lumbar adjuster, driver seat$100 
Power recliner, passenger 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
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$3,425$15,255
Value of Feature Adjustments$0$11,830
Value of Feature Adjustments0-10,992

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Specifications Comparison: Mazda RX-8 vs. Kia K900

Model Year20082018
ModelRX-8K900
Body4dr Coupe4dr Sedan
Wheelbase106.4 in119.9 in
Length174.3 in200.6 in
Width69.7 in74.8 in
Height52.8 in58.5 in
Curb Weight3,045 lb.4,789 lb.
Fuel Capacity15.9 gal.19.8 gal.
Row 1 Headroom38.2 in40.2 in
Row 1 Shoulder Room54.8 in59.1 in
Row 1 Hip Room53.3 in55.9 in
Row 1 Legroom42.7 in45.9 in
Row 2 Headroom36.8 in37.6 in
Row 2 Shoulder Room54.9 in57.2 in
Row 2 Hip Room48.1 in55.7 in
Row 2 Legroom32.2 in38.2 in
Cargo Volume7.6 ft315.9 ft3

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Option Package Details
Mazda RX-8 Manual

Grand Touring Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated mirrors25Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power lumbar adjuster, driver seat100Yes
Proximity key250Yes
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500Yes
Sunroof900Yes
CD changer, in-dash200No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
225/45ZR18 tires400No
Total Requested410081%
Total Not Requested95019%

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