Mazda RX-8 Mazda RX-8 2008 Kia Rio Kia Rio 2018

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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: $19,520

Kia Rio EX   
Difference: $8,050

Lowest Total Invoice: $18,704

Kia Rio EX   
Difference: $6,792

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820082018
ModelRX-8RX-8Rio
TrimAutomaticManualEX
Body4dr Coupe4dr Coupe4dr Sedan
Base Price $26,435 $26,435 $18,400
Base Invoice $24,458 $24,458 $17,627
Cargo net 40 40  
Temporary spare tire 395 395  
Cargo mat 50 50 95
Sport Package   1,300  
Floor mats     130
Cargo net 32 32  
Temporary spare tire 320 320  
Cargo mat 36 36 78
Sport Package   1,118  
Floor mats     104
Options (change) 485 1,785 225
Options (change) 388 1,506 182
Destination 650 650 895
Total Price $27,570 $28,870 $19,520
Total Invoice $25,496 $26,614 $18,704

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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: $9,175
TrueDelta Adjusted Invoice Difference: $7,870
Model Year200820082018
ModelRX-8RX-8Rio
TrimAutomaticManualEX
Body4dr Coupe4dr Coupe4dr Sedan
Engine212hp R2232hp R2130hp I4
TransmissionT6M6M6
DrivetrainRWDRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)100, 6100, 6?, 4
Tire (rear if not all the same)225/55-16225/45-18185/65-15
Total Price$27,570$28,870$19,520
Adjustments for Features0-450-1,125
Feature-Adjusted Total Price$27,570$28,420$18,395
Cost Above Minimum$0$850$0
Total Invoice$25,496$26,614$18,704
Adjustments for Features0-415-1,078
Feature-Adjusted Total Invoice$25,496$26,199$17,626
Cost Above Minimum$0$703$0

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Features Comparison: Mazda RX-8 vs. Kia Rio

Model Year200820082018
ModelRX-8RX-8Rio
TrimAutomaticManualEX
Body4dr Coupe4dr Coupe4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100  
6-speed manual $150$150
RWD$0$0 
FWD  $0
Accessories 
Power rear side windows  $200
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
Automatic braking, low-speed  $200
Brake assist  $50
Forward collision warning  $200
Pedestrian detection  $50
Rearview camera  $200
Stability control $400$400
Traction control $100$100
Vehicle health reports  $0
Cargo Management 
Rear seat pass-through$100$100 
Second-row high console$250$250 
Climate Control 
Interior air filter$0$0 
Drivetrain 
Limited-slip rear differential $300 
Exterior 
Bright-finished exhaust tip(s)$25$25 
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$125 
Rear seat USB outlets (optional)  $0
Satellite radio  $200
SMS text-to-speech reader  $25
USB port  $25
Voice control for external devices  $0
Instruments, Lights, and Mirrors 
Automatic headlights  $125
Fog lights $125$125
Heated mirrors  $25
Outside temperature display$50$50 
Trip computer  $150
Xenon HID headlights $500 
Seats and Interior Trim 
Center armrest(s), second row$50$50 
Door sill trim plates$100$100 
Folding second row seats  $300
Metal pedals $75 
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0 
Transmission 
Steering-wheel-mounted transmission controls$100  
Total Value of Features$2,050$2,500$3,175
Value of Feature Adjustments$0$450$1,125
Value of Feature Adjustments0-415-1,078

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Specifications Comparison: Mazda RX-8 vs. Kia Rio

Model Year20082018
ModelRX-8Rio
Body4dr Coupe4dr Sedan
Wheelbase106.4 in101.6 in
Length174.3 in172.6 in
Width69.7 in67.9 in
Height52.8 in57.1 in
Curb Weight3,046 lb.2,649 lb.
Fuel Capacity15.9 gal.11.9 gal.
Row 1 Headroom38.2 in38.9 in
Row 1 Shoulder Room54.8 in54.1 in
Row 1 Hip Room53.3 in52.9 in
Row 1 Legroom42.7 in42.1 in
Row 2 Headroom36.8 in37.4 in
Row 2 Shoulder Room54.9 in53.3 in
Row 2 Hip Room48.1 in52.4 in
Row 2 Legroom32.2 in33.5 in
Cargo Volume7.6 ft313.7 ft3

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Option Package Details
Mazda RX-8 Manual

Sport Package
FeatureValueRequested?
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500No
225/45ZR18 tires400No
Total Requested62541%
Total Not Requested90059%

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