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

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Mazda RX-8 vs. Infiniti Q50 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. Infiniti Q50 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 Year201120152015
ModelRX-8Q50Q50
TrimGrand Touring3.7 PremiumS 3.7
Body4dr Coupe4dr Sedan4dr Sedan
Base Price $32,260 $40,000 $43,650
Base Invoice $29,878 $37,200 $40,595
All-weather floor mats 78 230 230
Cargo net 40    
Cargo mat 50    
Temporary spare tire 395 200 200
Navigation system 2,000    
Cargo Package   200 200
Navigation Package   1,400 1,400
Leather seating surfaces   1,000  
Rear spoiler   860 860
All-weather floor mats 62 175 175
Cargo net 32    
Cargo mat 36    
Temporary spare tire 320 186 186
Navigation system 1,720    
Cargo Package   149 149
Navigation Package   1,302 1,302
Leather seating surfaces   930  
Rear spoiler   762 762
Options (change) 2,563 3,890 2,890
Options (change) 2,170 3,504 2,574
Destination 795 905 905
Total Price $35,618 $44,795 $47,445
Total Invoice $32,843 $41,609 $44,074

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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 Infiniti Q50 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $6,322
TrueDelta Adjusted Invoice Difference: $6,114
Model Year201120152015
ModelRX-8Q50Q50
TrimGrand Touring3.7 PremiumS 3.7
Body4dr Coupe4dr Sedan4dr Sedan
Engine232hp R2328hp V6328hp V6
TransmissionM6T7T7
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)16/22 MPG20/30 MPG20/30 MPG
Audio (watts, speakers)300, 9?, 14?, 14
Tire (rear if not all the same)225/45-18225/55-17245/40-19
Total Price$35,618$44,795$47,445
Adjustments for Features0-2,855-3,230
Feature-Adjusted Total Price$35,618$41,940$44,215
Cost Above Minimum$0$0$2,275
Total Invoice$32,843$41,609$44,074
Adjustments for Features0-2,652-3,001
Feature-Adjusted Total Invoice$32,843$38,957$41,073
Cost Above Minimum$0$0$2,116

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Features Comparison: Mazda RX-8 vs. Infiniti Q50

Model Year201120152015
ModelRX-8Q50Q50
TrimGrand Touring3.7 PremiumS 3.7
Body4dr Coupe4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150  
7-speed manually-shiftable automatic $1200$1200
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$2,475$5,330$5,705
Value of Feature Adjustments$0$2,855$3,230
Value of Feature Adjustments0-2,652-3,001

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Specifications Comparison: Mazda RX-8 vs. Infiniti Q50

Model Year20112015
ModelRX-8Q50
Body4dr Coupe4dr Sedan
Wheelbase106.4 in112.2 in
Length175.6 in188.3 in
Width69.7 in71.8 in
Height52.8 in56.8 in
Curb Weight3,064 lb.3,574 lb.
Fuel Capacity15.9 gal.20.0 gal.
Row 1 Headroom38.2 in40.2 in
Row 1 Shoulder Room54.8 in56.7 in
Row 1 Hip Room53.3 in53.2 in
Row 1 Legroom42.7 in44.5 in
Row 2 Headroom36.8 in37.5 in
Row 2 Shoulder Room54.9 in56.1 in
Row 2 Hip Room48.1 in52.5 in
Row 2 Legroom32.2 in35.1 in
Cargo Volume7.6 ft313.5 ft3

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Option Package Details
Infiniti Q50 3.7 Premium

Leather seating surfaces
FeatureValueRequested?
Leather seating surfaces900Yes
Power lumbar adjuster, driver seat50Yes
Total Requested950100%
Total Not Requested00%
All-weather floor mats
FeatureValueRequested?
All-weather floor mats75Yes
Cargo tray40No
Total Requested7565%
Total Not Requested4035%
Rear spoiler
FeatureValueRequested?
Rear spoiler200Yes
Black grille (optional)0No
Total Requested200100%
Total Not Requested00%
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

All-weather floor mats
FeatureValueRequested?
All-weather floor mats75Yes
Cargo tray40No
Total Requested7565%
Total Not Requested4035%
Rear spoiler
FeatureValueRequested?
Rear spoiler200Yes
Black grille (optional)0No
Total Requested200100%
Total Not Requested00%
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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