Infiniti Q50 Infiniti Q50 2015 Mazda RX-8 Mazda RX-8 2011

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Infiniti Q50 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 Q50 vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $35,618

Mazda RX-8 Grand Touring   
Difference: $9,177

Lowest Total Invoice: $32,843

Mazda RX-8 Grand Touring   
Difference: $8,766

Calculate Payments

  Down Payment Interest Rate Term
Model Year201520152011
ModelQ50Q50RX-8
Trim3.7 PremiumS 3.7Grand Touring
Body4dr Sedan4dr Sedan4dr Coupe
Base Price $40,000 $43,650 $32,260
Base Invoice $37,200 $40,595 $29,878
Cargo Package 200 200  
Leather seating surfaces 1,000    
Navigation Package 1,400 1,400  
Rear spoiler 860 860  
All-weather floor mats 230 230 78
Temporary spare tire 200 200 395
Cargo net     40
Cargo mat     50
Navigation system     2,000
Cargo Package 149 149  
Leather seating surfaces 930    
Navigation Package 1,302 1,302  
Rear spoiler 762 762  
All-weather floor mats 175 175 62
Temporary spare tire 186 186 320
Cargo net     32
Cargo mat     36
Navigation system     1,720
Options (change) 3,890 2,890 2,563
Options (change) 3,504 2,574 2,170
Destination 905 905 795
Total Price $44,795 $47,445 $35,618
Total Invoice $41,609 $44,074 $32,843

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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 Q50 dealer quotes or Mazda RX-8 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Infiniti Q50 vs. Mazda RX-8

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $6,322
TrueDelta Adjusted Invoice Difference: $6,114
Model Year201520152011
ModelQ50Q50RX-8
Trim3.7 PremiumS 3.7Grand Touring
Body4dr Sedan4dr Sedan4dr Coupe
Engine328hp V6328hp V6232hp R2
TransmissionT7T7M6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)20/30 MPG20/30 MPG16/22 MPG
Audio (watts, speakers)?, 14?, 14300, 9
Tire (rear if not all the same)225/55-17245/40-19225/45-18
Total Price$44,795$47,445$35,618
Adjustments for Features-2,855-3,2300
Feature-Adjusted Total Price$41,940$44,215$35,618
Cost Above Minimum$0$2,275$0
Total Invoice$41,609$44,074$32,843
Adjustments for Features-2,652-3,0010
Feature-Adjusted Total Invoice$38,957$41,073$32,843
Cost Above Minimum$0$2,116$0

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Features Comparison: Infiniti Q50 vs. Mazda RX-8

Model Year201520152011
ModelQ50Q50RX-8
Trim3.7 PremiumS 3.7Grand Touring
Body4dr Sedan4dr Sedan4dr Coupe
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200 
6-speed manual  $150
RWD$0$0$0
Accessories 
Power rear side windows$200$200 
Remote app$25$25 
Remote window/roof operation$15$15 
Tilt steering wheel, manual  $150
Tilt/telescoping steering wheel, manual$250$250 
Brakes, Airbags, and Other Safety 
Brake assist$50$50 
Rearview camera$200$200 
Tires, run-flat$150$150 
Torque vectoring, brake-based$100$100 
Cargo Management 
Cargo tray$40$40 
Second-row high console  $250
Climate Control 
Dual-zone climate control$125$125 
Rain-sensing wipers  $175
Rear air vents$100$100 
Variable intermittent wipers$75$75 
Drivetrain 
Limited-slip rear differential  $300
Exterior 
Black grille (optional)$0$0 
Self-repairing paint$0$0 
Infotainment 
App support$0$0 
Bluetooth audio streaming$25$25 
CD changer, in-dash  $325
CD player$125$125 
Concierge Services - 4 year subscription$200$200 
HD radio$50$50 
SMS text-to-speech reader$25$25 
Telematics service, such as OnStar$200$200 
Traffic + travel information$25$25 
USB port$25$25 
Voice control for nav and audio$100$100 
Instruments, Lights, and Mirrors 
LED headlights$1000$1000 
Trip computer$150$150 
Turn signals on or near mirrors$25$25 
Xenon HID headlights  $500
Seats and Interior Trim 
Aluminum trim$100$100 
Manual thigh support length adjuster, driver seat $50 
Manual thigh support length adjuster, passenger seat $50 
Memory system, driver seat  $200
Metal pedals $75$75
Power fore-aft adjuster, passenger seat$100$100 
Power height adjuster, passenger seat$100$100 
Power recliner, passenger seat$100$100 
Power seatback bolsters, driver seat $100 
Power tilt adjuster, passenger seat$100$100 
Suspension, Wheels, and Tires 
Alloy wheels $350$350
Machined alloy wheels$350  
Performance steering system (optional) $0 
Sport suspension (upgrade) $0 
Transmission 
Steering-wheel-mounted transmission controls $100 
Total Value of Features$5,330$5,705$2,475
Value of Feature Adjustments$2,855$3,230$0
Value of Feature Adjustments-2,652-3,0010

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Specifications Comparison: Infiniti Q50 vs. Mazda RX-8

Model Year20152011
ModelQ50RX-8
Body4dr Sedan4dr Coupe
Wheelbase112.2 in106.4 in
Length188.3 in175.6 in
Width71.8 in69.7 in
Height56.8 in52.8 in
Curb Weight3,574 lb.3,064 lb.
Fuel Capacity20.0 gal.15.9 gal.
Row 1 Headroom40.2 in38.2 in
Row 1 Shoulder Room56.7 in54.8 in
Row 1 Hip Room53.2 in53.3 in
Row 1 Legroom44.5 in42.7 in
Row 2 Headroom37.5 in36.8 in
Row 2 Shoulder Room56.1 in54.9 in
Row 2 Hip Room52.5 in48.1 in
Row 2 Legroom35.1 in32.2 in
Cargo Volume13.5 ft37.6 ft3

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Option Package Details
Infiniti Q50 3.7 Premium

Cargo Package
FeatureValueRequested?
Cargo net40Yes
Cargo mat40Yes
First-aid kit15No
Total Requested8084%
Total Not Requested1516%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Telematics service, such as OnStar200No
Voice control for nav and audio75No
Traffic + travel information25No
Remote app25No
Total Requested60065%
Total Not Requested32535%

Option Package Details
Infiniti Q50 S 3.7

Cargo Package
FeatureValueRequested?
Cargo net40Yes
Cargo mat40Yes
First-aid kit15No
Total Requested8084%
Total Not Requested1516%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Telematics service, such as OnStar200No
Voice control for nav and audio75No
Traffic + travel information25No
Remote app25No
Total Requested60065%
Total Not Requested32535%

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