Mazda RX-8 Mazda RX-8 2008 Infiniti Q50 Infiniti Q50 2018

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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: $34,248

Mazda RX-8 Manual   
Difference: $10,227

Lowest Total Invoice: $31,524

Mazda RX-8 Manual   
Difference: $9,883

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820082018201820182018
ModelRX-8RX-8Q50Q50Q50Q50
TrimAutomaticManual3.0t LuxeHybrid Luxe3.0t Sport3.0t Red Sport
Body4dr Coupe4dr Coupe4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $26,435 $26,435 $38,950 $50,600 $40,650 $51,000
Base Invoice $24,458 $24,458 $36,224 $47,058 $37,805 $47,430
Grand Touring Package 5,335 4,635        
All-weather floor mats 78 78 225 225 225 225
Rear spoiler 360 360 430 430 430 430
Cargo net 40 40        
Cargo mat 50 50        
Navigation system 2,000 2,000        
Cargo Package     225 225 225 225
Essential Package     2,650   2,500  
Leather seating surfaces     1,000      
Grand Touring Package 4,922 4,277        
All-weather floor mats 62 62 195 195 195 195
Rear spoiler 288 288 403 403 403 403
Cargo net 32 32        
Cargo mat 36 36        
Navigation system 1,721 1,721        
Cargo Package     195 195 195 195
Essential Package     2,465   2,325  
Leather seating surfaces     930      
Options (change) 7,863 7,163 4,530 880 3,380 880
Options (change) 7,061 6,416 4,188 793 3,118 793
Destination 650 650 995 995 995 995
Total Price $34,948 $34,248 $44,475 $52,475 $45,025 $52,875
Total Invoice $32,169 $31,524 $41,407 $48,846 $41,918 $49,218

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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

Lowest Adjusted Price and Invoice: Mazda RX-8 Automatic
TrueDelta Adjusted Price Difference: $5,722
TrueDelta Adjusted Invoice Difference: $5,685
Model Year200820082018201820182018
ModelRX-8RX-8Q50Q50Q50Q50
TrimAutomaticManual3.0t LuxeHybrid Luxe3.0t Sport3.0t Red Sport
Body4dr Coupe4dr Coupe4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine212hp R2232hp R2300hp V6302hp V6 H300hp V6400hp V6
TransmissionT6M6T7T7T7T7
DrivetrainRWDRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 9300, 9?, 6?, 16?, 6?, 6
Tire (rear if not all the same)225/45-18225/45-18225/50-18245/40-19245/40-19245/40-19
Total Price$34,948$34,248$44,475$52,475$45,025$52,875
Adjustments for Features-9750-4,780-10,005-4,780-7,105
Feature-Adjusted Total Price$33,973$34,248$39,695$42,470$40,245$45,770
Cost Above Minimum$0$275$0$2,775$550$6,075
Total Invoice$32,169$31,524$41,407$48,846$41,918$49,218
Adjustments for Features-8970-4,450-9,313-4,450-6,614
Feature-Adjusted Total Invoice$31,272$31,524$36,957$39,533$37,468$42,604
Cost Above Minimum$0$252$0$2,576$511$5,647

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Features Comparison: Mazda RX-8 vs. Infiniti Q50

Model Year200820082018201820182018
ModelRX-8RX-8Q50Q50Q50Q50
TrimAutomaticManual3.0t LuxeHybrid Luxe3.0t Sport3.0t Red Sport
Body4dr Coupe4dr Coupe4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100     
6-speed manual $150    
7-speed manually-shiftable automatic  $1200$1200$1200$1200
RWD$0$0$0$0$0$0
Accessories 
Adaptive cruise control, all-speed   $850  
Cruise control$150$150$150 $150$150
Eco accelerator   $100  
Heated steering wheel  $100$100$100$100
Power rear side windows  $200$200$200$200
Remote app  $25$25$25$25
Remote start  $150 $150$150
Remote window/roof operation  $15$15$15$15
Tilt steering wheel, manual$150$150    
Tilt/telescoping steering wheel, manual  $250 $250$250
Tilt/telescoping steering wheel, power   $350  
Brakes, Airbags, and Other Safety 
Around view cameras   $500 $500
Automatic braking, high-speed or partial   $200 $200
Backup collision intervention   $150 $150
Blind spot collision prevention   $150  
Blind spot warning system   $200 $200
Brake assist  $50$50$50$50
Cross-traffic warning, rear   $100 $100
Lane departure warning   $200  
Lane keeping assist   $400  
Moving object detection, front   $25 $25
Moving object detection, rear   $25 $25
Obstacle detection, front   $150 $150
Obstacle detection, rear   $250 $250
Predictive forward collision warning   $250 $250
Radar- or camera-based collision preparation system   $0  
Rearview camera  $200 $200 
Tires, run-flat  $150$150$150$150
Torque vectoring, brake-based  $100$100$100$100
Cargo Management 
Cargo tray  $40$40$40$40
Rear seat pass-through$100$100$100 $100$100
Second-row high console$250$250    
Climate Control 
Automatic air recirculation   $100  
Automatic climate control, front  $200$200$200$200
Dual-zone climate control  $125$125$125$125
Ionizing air filtration   $50  
Rain-sensing wipers  $175$175$175$175
Rear air vents  $100$100$100$100
Variable intermittent wipers$75$75    
Drivetrain 
Limited-slip rear differential$300$300    
Engine / Motor 
Automatic start / stop   $150  
Exterior 
Painted brake calipers (optional)     $0
Self-repairing paint  $0$0$0$0
Infotainment 
App support  $0$0$0$0
Aux input  $50$50$50$50
Bluetooth audio streaming  $25$25$25$25
Bluetooth cell phone link  $100$100$100$100
CD changer, in-dash$325$325    
CD player  $125$125$125$125
Concierge Services - 1 year subscription  $50$50$50$50
HD radio  $50$50$50$50
MP3-compatible player  $50$50$50$50
Satellite radio  $200$200$200$200
SMS text-to-speech reader  $25$25$25$25
Surround sound   $250  
Telematics service, such as OnStar  $200$200$200$200
Traffic + travel information  $25$25$25$25
USB port  $25$25$25$25
Voice control for nav and audio  $100$100$100$100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror   $75  
Auto-dimming headlights   $200  
Auto-dimming passenger-side mirror   $75  
Automatic headlights  $125$125$125$125
Interior ambient lighting   $150  
LED headlights  $1000$1000$1000$1000
Mirror tilt-down in reverse   $25  
Steering-linked headlights   $150  
Trip computer  $150$150$150$150
Turn signals on or near mirrors  $25$25$25$25
Xenon HID headlights$500$500    
Seats and Interior Trim 
Aluminum trim    $100$100
Folding second row seats  $300 $300$300
Manual thigh support length adjuster, driver seat    $50$50
Manual thigh support length adjuster, passenger seat    $50$50
Memory system, driver seat   $200  
Metal pedals $75   $75
Power fore-aft adjuster, passenger seat  $100$100$100$100
Power height adjuster, passenger seat  $100$100$100$100
Power recliner, passenger seat  $100$100$100$100
Power seatback bolsters, driver seat    $100$100
Power tilt adjuster, passenger seat  $100$100$100$100
Wood trim  $300$300  
Suspension, Wheels, and Tires 
Active steering, electronic link   $1000  
Adaptive dampers - electrical     $500
Alloy wheels$350$350 $350$350$350
Crosswind stabilization   $50  
Electronic systems calibration selector  $200$200$200$200
Machined alloy wheels  $350   
Performance steering system (optional)   $0 $0
Sport suspension (upgrade)$0$0 $0  
Wheels, dark finish     $0
Transmission 
Steering-wheel-mounted transmission controls$100    $100
Total Value of Features$3,400$2,425$7,205$12,430$7,205$9,530
Value of Feature Adjustments$975$0$4,780$10,005$4,780$7,105
Value of Feature Adjustments-8970-4,450-9,313-4,450-6,614

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Specifications Comparison: Mazda RX-8 vs. Infiniti Q50

Model Year20082018
ModelRX-8Q50
Body4dr Coupe4dr Sedan
Wheelbase106.4 in112.2 in
Length174.3 in189.6 in
Width69.7 in71.8 in
Height52.8 in57.2 in
Curb Weight3,046 lb.3,672 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 ft313.2 ft3

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Option Package Details
Mazda RX-8 Automatic

Grand Touring Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated mirrors25Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power lumbar adjuster, driver seat100Yes
Proximity key250Yes
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500Yes
Sunroof900Yes
CD changer, in-dash200No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
Sport suspension (upgrade)250Yes
Performance braking system (optional)250No
Limited-slip rear differential300No
225/45ZR18 tires400No
Total Requested435074%
Total Not Requested150026%

Option Package Details
Mazda RX-8 Manual

Grand Touring Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated mirrors25Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power lumbar adjuster, driver seat100Yes
Proximity key250Yes
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500Yes
Sunroof900Yes
CD changer, in-dash200No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
225/45ZR18 tires400No
Total Requested410081%
Total Not Requested95019%

Option Package Details
Infiniti Q50 3.0t Luxe

All-weather floor mats
FeatureValueRequested?
All-weather floor mats75Yes
Cargo tray40No
Total Requested7565%
Total Not Requested4035%
Cargo Package
FeatureValueRequested?
Cargo net40Yes
Cargo mat40Yes
First-aid kit15No
Total Requested8084%
Total Not Requested1516%
Essential Package
FeatureValueRequested?
Remote start150No
Folding second row seats300No
Second-row 2-section 3-person split bench100No
Navigation system600Yes
Heated front seats200Yes
Power lumbar adjuster, driver seat50Yes
Telematics service, such as OnStar200No
Heated steering wheel100No
Voice control for nav and audio75No
Traffic + travel information25No
Remote app25No
Total Requested85047%
Total Not Requested97553%

Option Package Details
Infiniti Q50 Hybrid Luxe

All-weather floor mats
FeatureValueRequested?
All-weather floor mats75Yes
Cargo tray40No
Total Requested7565%
Total Not Requested4035%
Cargo Package
FeatureValueRequested?
Cargo net40Yes
Cargo mat40Yes
First-aid kit15No
Total Requested8084%
Total Not Requested1516%

Option Package Details
Infiniti Q50 3.0t Sport

All-weather floor mats
FeatureValueRequested?
All-weather floor mats75Yes
Cargo tray40No
Total Requested7565%
Total Not Requested4035%
Cargo Package
FeatureValueRequested?
Cargo net40Yes
Cargo mat40Yes
First-aid kit15No
Total Requested8084%
Total Not Requested1516%
Essential Package
FeatureValueRequested?
Remote start150No
Folding second row seats300No
Second-row 2-section 3-person split bench100No
Navigation system600Yes
Heated front seats200Yes
Telematics service, such as OnStar200No
Heated steering wheel100No
Voice control for nav and audio75No
Traffic + travel information25No
Remote app25No
Total Requested80045%
Total Not Requested97555%

Option Package Details
Infiniti Q50 3.0t Red Sport

All-weather floor mats
FeatureValueRequested?
All-weather floor mats75Yes
Cargo tray40No
Total Requested7565%
Total Not Requested4035%
Cargo Package
FeatureValueRequested?
Cargo net40Yes
Cargo mat40Yes
First-aid kit15No
Total Requested8084%
Total Not Requested1516%

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