Mazda RX-8 Mazda RX-8 2009 Dodge Viper Dodge Viper 2015

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Mazda RX-8 vs. Dodge Viper 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. Dodge Viper Invoice Comparison

Lowest Total Price: $34,100

Mazda RX-8 Grand Touring   
Difference: $64,990

Lowest Total Invoice: $31,415

Mazda RX-8 Grand Touring   
Difference: $62,101

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920152015
ModelRX-8ViperViper
TrimGrand TouringGTGTS
Body4dr Coupe2dr Hatch2dr Hatch
Base Price $31,000 $94,995 $107,995
Base Invoice $28,681 $89,421 $101,681
Satellite radio 430    
Navigation system 2,000    
Satellite radio 344    
Navigation system 1,720    
Options (change) 2,430 0 0
Options (change) 2,064 0 0
Destination 670 1,995 1,995
Gas Tax 0 2,100 2,100
Total Price $34,100 $99,090 $112,090
Total Invoice $31,415 $93,516 $105,776

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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 Dodge Viper dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mazda RX-8 vs. Dodge Viper

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $64,080
TrueDelta Adjusted Invoice Difference: $61,242
Model Year200920152015
ModelRX-8ViperViper
TrimGrand TouringGTGTS
Body4dr Coupe2dr Hatch2dr Hatch
Engine232hp R2645hp V10645hp V10
TransmissionM6M6M6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 9?, 12?, 18
Tire (rear if not all the same)225/45-18295/30-18295/30-18
Total Price$34,100$99,090$112,090
Adjustments for Features0-910-2,110
Feature-Adjusted Total Price$34,100$98,180$109,980
Cost Above Minimum$0$0$11,800
Total Invoice$31,415$93,516$105,776
Adjustments for Features0-859-1,991
Feature-Adjusted Total Invoice$31,415$92,657$103,785
Cost Above Minimum$0$0$11,128

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Features Comparison: Mazda RX-8 vs. Dodge Viper

Model Year200920152015
ModelRX-8ViperViper
TrimGrand TouringGTGTS
Body4dr Coupe2dr Hatch2dr Hatch
Transmission and Drivetrain 
6-speed manual$150$150$150
RWD$0$0$0
Accessories 
Power-adjustable pedals $125$125
Remote app $25$25
Brakes, Airbags, and Other Safety 
Brake assist $50$50
Front side airbags$350  
Rearview camera $200$200
Side curtain airbags$350  
Tires, run-flat $150$150
Vehicle health reports $0$0
Cargo Management 
Overhead sunglass holder$25  
Rear seat pass-through$100  
Second-row high console$250  
Climate Control 
Rain-sensing wipers$175  
Variable intermittent wipers $75$75
Exterior 
Carbon fiber hood $0$0
Front splitter spoiler $200$200
Hood scoop $100$100
Painted brake calipers (optional) $0$0
Infotainment 
App support $0$0
Bluetooth audio streaming $25$25
CD changer, in-dash$325  
HD radio $50$50
MP3-compatible player$50  
Satellite radio$200  
Satellite radio - one year subscription $250$250
SD Card slot $25$25
SMS text-to-speech reader $25$25
Telematics service, such as OnStar $200$200
Text dictation $50$50
Traffic + travel information $25$25
USB port $25$25
Voice control for external devices $0$0
Voice control for nav and audio $100$100
Wi-Fi hotspot $50$50
Instruments, Lights, and Mirrors 
Compass $0$0
Heated mirrors$25  
Illuminated visor mirror, driver$50  
Illuminated visor mirror, passenger$50  
Large color reconfigurable instrument cluster display $250$250
Outside temperature display$50  
Performance meter $150$150
Trip computer $150$150
Visor mirror, passenger $10$10
Seats and Interior Trim 
Center armrest(s), second row$50  
Door sill trim plates$100  
Heated front seats$200  
Leather door panel trim  $250
Manual lumbar adjuster, driver seat $50$50
Memory system, driver seat$200  
No leather in second row $-300$-300
Power fore-aft adjuster, passenger seat  $100
Power height adjuster, passenger seat  $100
Power lumbar adjuster, driver seat$100  
Power recliner, driver seat$100  
Power tilt adjuster, passenger seat  $100
Synthetic suede headliner  $650
Synthetic suede inserts in leather seating surfaces $0 
Upholstered instrument panel, leather $1000$1000
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500
Alloy wheels$350  
Polished alloy wheels $350$350
Transmission 
Launch control $100$100
Total Value of Features$3,250$4,160$5,360
Value of Feature Adjustments$0$910$2,110
Value of Feature Adjustments0-859-1,991

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Specifications Comparison: Mazda RX-8 vs. Dodge Viper

Model Year20092015
ModelRX-8Viper
Body4dr Coupe2dr Hatch
Wheelbase106.4 in98.8 in
Length175.6 in175.7 in
Width69.7 in76.4 in
Height52.8 in49.1 in
Curb Weight3,065 lb.3,391 lb.
Fuel Capacity15.9 gal.16.0 gal.
Row 1 Headroom38.2 in36.6 in
Row 1 Shoulder Room54.8 in53.1 in
Row 1 Hip Room53.3 in0.0 in
Row 1 Legroom42.7 in42.7 in
Row 2 Headroom36.8 in0.0 in
Row 2 Shoulder Room54.9 in0.0 in
Row 2 Hip Room48.1 in0.0 in
Row 2 Legroom32.2 in0.0 in
Cargo Volume7.6 ft314.7 ft3

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