Mazda RX-8 Mazda RX-8 2009 Kia Optima Kia Optima 2016

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

Lowest Total Price: $34,610

Mazda RX-8 Grand Touring   
Difference: $865

Lowest Total Invoice: $31,877

Mazda RX-8 Grand Touring   
Difference: $1,083

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092016
ModelRX-8Optima
TrimGrand TouringHybrid EX
Body4dr Coupe4dr Sedan
Base Price $31,000 $32,195
Base Invoice $28,681 $29,856
Premium Package 900  
Cargo net 40 50
Navigation system 2,000  
Technology Package   2,380
Premium Package 774  
Cargo net 32 42
Navigation system 1,720  
Technology Package   2,212
Options (change) 2,940 2,430
Options (change) 2,526 2,254
Destination 670 850
Total Price $34,610 $35,475
Total Invoice $31,877 $32,960

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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 Optima dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Kia Optima Hybrid EX
TrueDelta Adjusted Price Difference: $2,885
TrueDelta Adjusted Invoice Difference: $2,401
Model Year20092016
ModelRX-8Optima
TrimGrand TouringHybrid EX
Body4dr Coupe4dr Sedan
Engine232hp R2159hp I4 H
TransmissionM6T6
DrivetrainRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)300, 9550, 12
Tire (rear if not all the same)225/45-18215/55-17
Total Price$34,610$35,475
Adjustments for Features0-3,750
Feature-Adjusted Total Price$34,610$31,725
Total Invoice$31,877$32,960
Adjustments for Features0-3,484
Feature-Adjusted Total Invoice$31,877$29,476

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Features Comparison: Mazda RX-8 vs. Kia Optima

Model Year20092016
ModelRX-8Optima
TrimGrand TouringHybrid EX
Body4dr Coupe4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
6-speed manually-shiftable automatic $1100
RWD$0 
FWD $0
Accessories 
Heated steering wheel $100
Power rear side windows $200
Tilt steering wheel, manual$150 
Tilt/telescoping steering wheel, manual $250
Brakes, Airbags, and Other Safety 
911 assist $25
Active or whiplash-reducing head restraints, front seats $0
Blind spot warning system $200
Brake assist $50
Cross-traffic warning, rear $100
Obstacle detection, rear $250
Rearview camera $200
Rollover sensor $50
Vehicle health reports $0
Cargo Management 
Air-conditioned storage compartment $50
Second-row high console$250 
Climate Control 
Dual-zone climate control $125
Rain-sensing wipers$175 
Rear air vents $100
Variable intermittent wipers $75
Drivetrain 
Limited-slip rear differential$300 
Engine / Motor 
Automatic start / stop $150
Exterior 
Body kit $0
Bright-finished exhaust tip(s)$25 
Laminated front side windows $200
Panoramic sunroof $1200
Sunroof$900 
Infotainment 
App support $0
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
HD radio $50
SMS text-to-speech reader $25
Traffic information $25
USB port $25
Voice control for external devices $0
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Compass $0
Detailed driving style feedback $100
Interior ambient lighting $150
Large energy flow and fuel economy display $25
Power-folding mirrors $50
Trip computer $150
Turn signals on or near mirrors $25
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
Metal pedals$75 
Power fore-aft adjuster, passenger seat $100
Power recliner, passenger seat $100
Total Value of Features$2,450$6,200
Value of Feature Adjustments$0$3,750
Value of Feature Adjustments0-3,484

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Specifications Comparison: Mazda RX-8 vs. Kia Optima

Model Year20092016
ModelRX-8Optima
Body4dr Coupe4dr Sedan
Wheelbase106.4 in110.4 in
Length175.6 in191.1 in
Width69.7 in73.2 in
Height52.8 in57.7 in
Curb Weight3,065 lb.3,220 lb.
Fuel Capacity15.9 gal.18.5 gal.
Row 1 Headroom38.2 in39.8 in
Row 1 Shoulder Room54.8 in58.1 in
Row 1 Hip Room53.3 in56.0 in
Row 1 Legroom42.7 in45.5 in
Row 2 Headroom36.8 in37.8 in
Row 2 Shoulder Room54.9 in56.4 in
Row 2 Hip Room48.1 in56.0 in
Row 2 Legroom32.2 in35.6 in
Cargo Volume7.6 ft315.9 ft3

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Option Package Details
Mazda RX-8 Grand Touring

Premium Package
FeatureValueRequested?
Sunroof900Yes
Satellite radio200Yes
Total Requested1100100%
Total Not Requested00%

Option Package Details
Kia Optima Hybrid EX

Technology Package
FeatureValueRequested?
Obstacle detection, rear250No
Panoramic sunroof1200No
Blind spot warning system200No
Rear cross-traffic detection100No
Total Requested00%
Total Not Requested1750100%

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