Infiniti M Infiniti M 2013 Mazda RX-8 Mazda RX-8 2010

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Infiniti M vs. Mazda RX-8 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.

Infiniti M vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $35,195

Mazda RX-8 Grand Touring   
Difference: $15,060

Lowest Total Invoice: $32,424

Mazda RX-8 Grand Touring   
Difference: $14,079

Calculate Payments

  Down Payment Interest Rate Term
Model Year2013201320132010
ModelMMMRX-8
TrimM37M56M35hGrand Touring
Body4dr Sedan4dr Sedan4dr Sedan4dr Coupe
Base Price $48,700 $61,200 $54,750 $31,960
Base Invoice $45,087 $56,634 $50,675 $29,566
Cargo mat 200 200 200 50
Rear spoiler 450 450 450  
Cargo net       40
Temporary spare tire       395
Navigation system       2,000
Cargo mat 142 142 142 36
Rear spoiler 369 369 369  
Cargo net       32
Temporary spare tire       320
Navigation system       1,720
Options (change) 650 650 650 2,485
Options (change) 511 511 511 2,108
Destination 905 905 905 750
Total Price $50,255 $62,755 $56,305 $35,195
Total Invoice $46,503 $58,050 $52,091 $32,424

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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 Infiniti M dealer quotes or Mazda RX-8 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Infiniti M vs. Mazda RX-8

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $13,120
TrueDelta Adjusted Invoice Difference: $12,284
Model Year2013201320132010
ModelMMMRX-8
TrimM37M56M35hGrand Touring
Body4dr Sedan4dr Sedan4dr Sedan4dr Coupe
Engine330hp V6420hp V8302hp V6 H232hp R2
TransmissionT7T7T7M6
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)160, 6?, 10160, 6300, 9
Tire (rear if not all the same)245/50-18245/50-18245/50-18225/45-18
Total Price$50,255$62,755$56,305$35,195
Adjustments for Features-1,940-3,580-1,9650
Feature-Adjusted Total Price$48,315$59,175$54,340$35,195
Cost Above Minimum$0$10,860$6,025$0
Total Invoice$46,503$58,050$52,091$32,424
Adjustments for Features-1,795-3,312-1,8180
Feature-Adjusted Total Invoice$44,708$54,738$50,273$32,424
Cost Above Minimum$0$10,030$5,565$0

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Features Comparison: Infiniti M vs. Mazda RX-8

Model Year2013201320132010
ModelMMMRX-8
TrimM37M56M35hGrand Touring
Body4dr Sedan4dr Sedan4dr Sedan4dr Coupe
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200$1200 
6-speed manual   $150
RWD$0$0$0$0
Accessories 
Active noise reduction$0$0$0 
Heated steering wheel $100  
Power rear side windows$200$200$200 
Power trunk / liftgate pull-down$50$50$50 
Remote window/roof operation$15$15$15 
Tilt steering wheel, manual   $150
Tilt/telescoping steering wheel, power$350$350$350 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0$0 
Brake assist$50$50$50 
Obstacle detection, rear $250  
Rearview camera$200$200$200 
Cargo Management 
Second-row high console   $250
Climate Control 
Dual-zone climate control$125$125$125 
Rear air vents$100$100$100 
Drivetrain 
Limited-slip rear differential   $300
Infotainment 
Bluetooth audio streaming $25  
CD changer, in-dash   $325
CD player$125$125$125 
Concierge Services - 4 year subscription$200$200$200 
DVD-compatible player $0  
Media drive $15  
Navigation system $600 $600
Surround sound   $250
Telematics service, such as OnStar, with navigation $225  
Traffic + travel information $25  
USB port$25$25$25 
Voice control for nav and audio $100  
Instruments, Lights, and Mirrors 
Analog clock$25$25$25 
Auto-dimming driver-side mirror$75$75$75 
Auto-dimming passenger-side mirror$75$75$75 
Compass$0$0$0 
Large energy flow and fuel economy display  $25 
Mirror tilt-down in reverse$25$25$25 
Power-folding mirrors$50$50$50 
Trip computer$150$150$150 
Seats and Interior Trim 
Cooled or ventilated front seats $300  
Metal pedals   $75
Power fore-aft adjuster, passenger seat$100$100$100 
Power height adjuster, passenger seat$100$100$100 
Power lumbar adjuster, passenger seat$100$100$100 
Power recliner, passenger seat$100$100$100 
Power tilt adjuster, passenger seat$100$100$100 
Wood trim$300$300$300 
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200$200$200 
Total Value of Features$4,040$5,680$4,065$2,100
Value of Feature Adjustments$1,940$3,580$1,965$0
Value of Feature Adjustments-1,795-3,312-1,8180

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Specifications Comparison: Infiniti M vs. Mazda RX-8

Model Year20132010
ModelMRX-8
Body4dr Sedan4dr Coupe
Wheelbase114.2 in106.4 in
Length194.7 in175.6 in
Width72.6 in69.7 in
Height59.1 in52.8 in
Curb Weight3,859 lb.3,065 lb.
Fuel Capacity20.0 gal.15.9 gal.
Row 1 Headroom39.1 in38.2 in
Row 1 Shoulder Room58.4 in54.8 in
Row 1 Hip Room54.3 in53.3 in
Row 1 Legroom44.0 in42.7 in
Row 2 Headroom37.7 in36.8 in
Row 2 Shoulder Room56.7 in54.9 in
Row 2 Hip Room53.5 in48.1 in
Row 2 Legroom36.2 in32.2 in
Cargo Volume14.9 ft37.6 ft3

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