Mazda RX-8 Mazda RX-8 2010 Kia Rio Kia Rio 2017

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Mazda RX-8 vs. Kia Rio 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 Rio Invoice Comparison

Lowest Total Price: $19,870

Kia Rio EX   
Difference: $12,840

Lowest Total Invoice: $18,937

Kia Rio EX   
Difference: $11,379

Calculate Payments

  Down Payment Interest Rate Term
Model Year201020102017
ModelRX-8RX-8Rio
TrimGrand TouringR3EX
Body4dr Coupe4dr Coupe4dr Sedan
Base Price $31,960 $31,990 $17,755
Base Invoice $29,566 $29,594 $16,962
Satellite radio   430  
Designer Plus Package     750
Universal garage door opener     350
Floor mats     120
Satellite radio   344  
Designer Plus Package     692
Universal garage door opener     291
Floor mats     97
Options (change) 0 430 1,220
Options (change) 0 344 1,080
Destination 750 750 895
Total Price $32,710 $33,170 $19,870
Total Invoice $30,316 $30,688 $18,937

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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

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Mazda RX-8 dealer quotes or Kia Rio 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 Rio

Lowest Adjusted Price and Invoice: Kia Rio EX
TrueDelta Adjusted Price Difference: $10,015
TrueDelta Adjusted Invoice Difference: $8,761
Model Year201020102017
ModelRX-8RX-8Rio
TrimGrand TouringR3EX
Body4dr Coupe4dr Coupe4dr Sedan
Engine232hp R2232hp R2138hp I4
TransmissionM6M6T6
DrivetrainRWDRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 9300, 9?, 6
Tire (rear if not all the same)225/45-18225/40-19185/65-15
Total Price$32,710$33,170$19,870
Adjustments for Features-2,825-6250
Feature-Adjusted Total Price$29,885$32,545$19,870
Cost Above Minimum$0$2,660$0
Total Invoice$30,316$30,688$18,937
Adjustments for Features-2,618-5780
Feature-Adjusted Total Invoice$27,698$30,110$18,937
Cost Above Minimum$0$2,412$0

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Features Comparison: Mazda RX-8 vs. Kia Rio

Model Year201020102017
ModelRX-8RX-8Rio
TrimGrand TouringR3EX
Body4dr Coupe4dr Coupe4dr Sedan
Transmission and Drivetrain 
6-speed manual$150$150 
6-speed manually-shiftable automatic  $1100
RWD$0$0 
FWD  $0
Accessories 
Power rear side windows  $200
Proximity key$250$250 
Tilt steering wheel, manual$150$150 
Tilt/telescoping steering wheel, manual  $250
Brakes, Airbags, and Other Safety 
911 assist  $25
Active or whiplash-reducing head restraints, front seats  $0
Brake assist  $50
Rearview camera  $200
Vehicle health reports  $0
Cargo Management 
Overhead sunglass holder$25$25 
Rear seat pass-through$100$100 
Second-row high console$250$250 
Climate Control 
Automatic climate control, front$200  
Interior air filter$0$0 
Rain-sensing wipers$175  
Variable intermittent wipers $75$75
Drivetrain 
Limited-slip rear differential$300$300 
Exterior 
Body kit $0 
Bright-finished exhaust tip(s)$25$25 
Larger rear spoiler $200 
Rear spoiler$200  
Sunroof$900  
Infotainment 
App support  $0
Bluetooth audio streaming  $25
CD changer, in-dash$325$325 
CD player  $125
SMS text-to-speech reader  $25
Surround sound$250$250 
USB port  $25
Voice control for external devices  $0
Instruments, Lights, and Mirrors 
Automatic headlights$125 $125
Compass  $0
Heated mirrors$25 $25
Outside temperature display$50$50 
Trip computer  $150
Xenon HID headlights$500$500 
Seats and Interior Trim 
Center armrest(s), second row$50$50 
Door sill trim plates$100$100 
Folding second row seats  $300
Heated front seats$200  
Leather seating surfaces$900$900 
Manual height adjuster, driver seat $50$50
Memory system, driver seat$200  
Metal pedals$75$75 
Partial leather seating sufaces  $450
Power fore-aft adjuster, driver seat$100  
Power height adjuster, driver seat$100  
Power lumbar adjuster, driver seat$100  
Power recliner, driver seat$100  
Power tilt adjuster, driver seat$100  
Soft-touch instrument panel (optional)  $0
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0 
Total Value of Features$6,025$3,825$3,200
Value of Feature Adjustments$2,825$625$0
Value of Feature Adjustments-2,618-5780

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Specifications Comparison: Mazda RX-8 vs. Kia Rio

Model Year20102017
ModelRX-8Rio
Body4dr Coupe4dr Sedan
Wheelbase106.4 in101.2 in
Length175.6 in172.0 in
Width69.7 in67.7 in
Height52.8 in57.3 in
Curb Weight3,065 lb.2,730 lb.
Fuel Capacity15.9 gal.11.4 gal.
Row 1 Headroom38.2 in40.0 in
Row 1 Shoulder Room54.8 in53.1 in
Row 1 Hip Room53.3 in52.1 in
Row 1 Legroom42.7 in43.8 in
Row 2 Headroom36.8 in37.6 in
Row 2 Shoulder Room54.9 in52.1 in
Row 2 Hip Room48.1 in51.2 in
Row 2 Legroom32.2 in31.1 in
Cargo Volume7.6 ft313.7 ft3

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Option Package Details
Kia Rio EX

Universal garage door opener
FeatureValueRequested?
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Compass0No
Total Requested250100%
Total Not Requested00%
Designer Plus Package
FeatureValueRequested?
Automatic headlights100Yes
Rearview camera200No
SMS text-to-speech reader25No
Vehicle health reports0No
911 assist25No
Bluetooth audio streaming25No
App support0No
Voice control for external devices0No
Partial leather seating sufaces450Yes
Special interior trim0No
Total Requested55067%
Total Not Requested27533%

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