Mazda RX-8 Mazda RX-8 2008 Infiniti Q50 Infiniti Q50 2017

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $11,252

Lowest Total Invoice: $31,524

Mazda RX-8 Manual   
Difference: $10,738

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082008201720172017201720172017
ModelRX-8RX-8Q50Q50Q50Q50Q50Q50
TrimAutomaticManual2.0t Premium3.0t PremiumHybrid Premium2.0t Sport3.0t Sport3.0t Red Sport
Body4dr Coupe4dr Coupe4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $26,435 $26,435 $38,400 $40,650 $47,800 $42,300 $44,650 $48,700
Base Invoice $24,458 $24,458 $35,712 $37,805 $44,454 $39,339 $41,525 $45,291
Grand Touring Package 5,335 4,635            
Rear spoiler 360 360       430 430 430
Cargo mat 50 50            
Cargo net 40 40            
All-weather floor mats 78 78 230 230 230 230 230 230
Navigation system 2,000 2,000            
Cargo Package     200 200 200 200 200 200
Leather seating surfaces     1,000 1,000        
Driver Assistance Package     2,150 2,150        
Illuminated door sill trim plates     465 465     465 465
Premium Plus Package     2,150 1,650   1,900 2,250 2,250
Grand Touring Package 4,922 4,277            
Rear spoiler 288 288       403 403 403
Cargo mat 36 36            
Cargo net 32 32            
All-weather floor mats 62 62 175 175 175 175 175 175
Navigation system 1,721 1,721            
Cargo Package     149 149 149 149 149 149
Leather seating surfaces     930 930        
Driver Assistance Package     2,000 2,000        
Illuminated door sill trim plates     391 391     391 391
Premium Plus Package     2,000 1,535   1,767 2,093 2,093
Options (change) 7,863 7,163 6,195 5,695 430 2,760 3,575 3,575
Options (change) 7,061 6,416 5,645 5,180 324 2,494 3,211 3,211
Destination 650 650 905 905 905 905 905 905
Total Price $34,948 $34,248 $45,500 $47,250 $49,135 $45,965 $49,130 $53,180
Total Invoice $32,169 $31,524 $42,262 $43,890 $45,683 $42,738 $45,641 $49,407

Return to top

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

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Mazda RX-8 dealer quotes or Infiniti Q50 dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Mazda RX-8 Automatic
TrueDelta Adjusted Price Difference: $4,722
TrueDelta Adjusted Invoice Difference: $4,669
Model Year20082008201720172017201720172017
ModelRX-8RX-8Q50Q50Q50Q50Q50Q50
TrimAutomaticManual2.0t Premium3.0t PremiumHybrid Premium2.0t Sport3.0t Sport3.0t Red Sport
Body4dr Coupe4dr Coupe4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine212hp R2232hp R2208hp I4300hp V6302hp V6 H208hp I4300hp V6400hp V6
TransmissionT6M6T7T7T7T7T7T7
DrivetrainRWDRWDRWDRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 9300, 9?, 16?, 16?, 16?, 16?, 16?, 16
Tire (rear if not all the same)225/45-18225/45-18225/55-17225/55-17245/40-19245/40-19245/40-19245/40-19
Total Price$34,948$34,248$45,500$47,250$49,135$45,965$49,130$53,180
Adjustments for Features-9750-6,805-7,005-7,705-5,630-6,430-6,430
Feature-Adjusted Total Price$33,973$34,248$38,695$40,245$41,430$40,335$42,700$46,750
Cost Above Minimum$0$275$0$1,550$2,735$1,640$4,005$8,055
Total Invoice$32,169$31,524$42,262$43,890$45,683$42,738$45,641$49,407
Adjustments for Features-8970-6,321-6,507-7,164-5,235-5,973-5,974
Feature-Adjusted Total Invoice$31,272$31,524$35,941$37,383$38,519$37,503$39,668$43,433
Cost Above Minimum$0$252$0$1,442$2,578$1,562$3,727$7,492

Return to top

Features Comparison: Mazda RX-8 vs. Infiniti Q50

Model Year20082008201720172017201720172017
ModelRX-8RX-8Q50Q50Q50Q50Q50Q50
TrimAutomaticManual2.0t Premium3.0t PremiumHybrid Premium2.0t Sport3.0t Sport3.0t Red Sport
Body4dr Coupe4dr Coupe4dr Sedan4dr Sedan4dr 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$1200$1200
RWD$0$0$0$0$0$0$0$0
Accessories 
Heated steering wheel  $100$100$100$100$100$100
Power rear side windows  $200$200$200$200$200$200
Remote app  $25$25$25$25$25$25
Remote start   $150  $150$150
Remote window/roof operation  $15$15$15$15$15$15
Tilt steering wheel, manual$150$150      
Tilt/telescoping steering wheel, power  $350$350$350$350$350$350
Brakes, Airbags, and Other Safety 
Around view cameras  $500$500$500   
Automatic braking, high-speed or partial  $200$200$200   
Backup collision intervention  $150$150$150   
Blind spot warning system  $200$200$200   
Brake assist  $50$50$50$50$50$50
Cross-traffic warning, rear  $100$100$100   
Moving object detection, front  $25$25$25   
Moving object detection, rear  $25$25$25   
Obstacle detection, front  $150$150$150   
Obstacle detection, rear  $250$250$250   
Predictive forward collision warning  $250$250$250   
Rearview camera     $200$200$200
Tires, run-flat  $150$150$150$150$150$150
Torque vectoring, brake-based  $100$100$100$100$100$100
Cargo Management 
Cargo tray  $40$40$40$40$40$40
Rear seat pass-through$100$100$100$100 $100$100$100
Second-row high console$250$250      
Climate Control 
Automatic air recirculation  $100$100$100$100$100$100
Automatic climate control, front  $200$200$200$200$200$200
Dual-zone climate control  $125$125$125$125$125$125
Ionizing air filtration  $50$50$50$50$50$50
Rain-sensing wipers  $175$175$175$175$175$175
Rear air vents  $100$100$100$100$100$100
Variable intermittent wipers$75$75      
Drivetrain 
Limited-slip rear differential$300$300      
Engine / Motor 
Automatic start / stop  $150 $150$150  
Exterior 
Rear spoiler$200$200   $200$200$200
Self-repairing paint  $0$0$0$0$0$0
Infotainment 
App support  $0$0$0$0$0$0
Aux input  $50$50$50$50$50$50
Bluetooth audio streaming  $25$25$25$25$25$25
Bluetooth cell phone link  $100$100$100$100$100$100
CD changer, in-dash$325$325      
CD player  $125$125$125$125$125$125
Concierge Services - 1 year subscription  $50$50$50$50$50$50
HD radio  $50$50$50$50$50$50
MP3-compatible player  $50$50$50$50$50$50
Satellite radio  $200$200$200$200$200$200
SMS text-to-speech reader  $25$25$25$25$25$25
Surround sound  $250$250$250$250$250$250
Telematics service, such as OnStar  $200$200$200$200$200$200
Traffic + travel information  $25$25$25$25$25$25
USB port  $25$25$25$25$25$25
Voice control for nav and audio  $100$100$100$100$100$100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75$75$75$75$75$75
Auto-dimming passenger-side mirror  $75$75$75$75$75$75
Automatic headlights  $125$125$125$125$125$125
LED headlights  $1000$1000$1000$1000$1000$1000
Mirror tilt-down in reverse  $25$25$25$25$25$25
Trip computer  $150$150$150$150$150$150
Turn signals on or near mirrors  $25$25$25$25$25$25
Xenon HID headlights$500$500      
Seats and Interior Trim 
Aluminum trim  $100$100 $100$100$100
Door sill trim plates$100$100  $100$100  
Folding second row seats  $300$300 $300$300$300
Illuminated door sill trim plates  $200$200  $200$200
Manual thigh support length adjuster, driver seat     $50$50$50
Manual thigh support length adjuster, passenger seat     $50$50$50
Memory system, driver seat  $200$200$200$200$200$200
Metal pedals $75   $75$75$75
Power fore-aft adjuster, passenger seat  $100$100$100$100$100$100
Power height adjuster, passenger seat  $100$100$100$100$100$100
Power recliner, passenger seat  $100$100$100$100$100$100
Power seatback bolsters, driver seat     $100$100$100
Power tilt adjuster, passenger seat  $100$100$100$100$100$100
Wood trim    $300   
Suspension, Wheels, and Tires 
Active steering, electronic link    $1000   
Adaptive dampers - electrical      $500$500
Alloy wheels$350$350      
Electronic systems calibration selector   $200$200 $200$200
Machined alloy wheels  $350$350$350$350$350$350
Performance steering system (optional)    $0 $0$0
Sport suspension (upgrade)$0$0  $0   
Transmission 
Steering-wheel-mounted transmission controls$100    $100$100$100
Total Value of Features$3,550$2,575$9,380$9,580$10,280$8,205$9,005$9,005
Value of Feature Adjustments$975$0$6,805$7,005$7,705$5,630$6,430$6,430
Value of Feature Adjustments-8970-6,321-6,507-7,164-5,235-5,973-5,974

Return to top

Specifications Comparison: Mazda RX-8 vs. Infiniti Q50

Model Year20082017
ModelRX-8Q50
Body4dr Coupe4dr Sedan
Wheelbase106.4 in112.2 in
Length174.3 in188.3 in
Width69.7 in71.8 in
Height52.8 in56.8 in
Curb Weight3,046 lb.3,667 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

Return to top

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)250No
Performance braking system (optional)250No
Limited-slip rear differential300No
225/45ZR18 tires400No
Total Requested410070%
Total Not Requested175030%

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 2.0t 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%
Cargo Package
FeatureValueRequested?
Cargo net40Yes
Cargo mat40Yes
First-aid kit15No
Total Requested8084%
Total Not Requested1516%
Driver Assistance Package
FeatureValueRequested?
Obstacle detection, front150No
Obstacle detection, rear250No
Blind spot warning system200No
Around view cameras300No
Rear cross-traffic detection100No
Automatic braking, high-speed or partial200No
Backup collision intervention150No
Moving object detection, front25No
Moving object detection, rear25No
Predictive forward collision warning250No
Total Requested00%
Total Not Requested1650100%
Premium Plus Package
FeatureValueRequested?
Second-row 2-section 3-person split bench100No
Folding second row seats300No
Heated front seats200Yes
Heated steering wheel100No
Tilt/telescoping steering wheel, power100No
Power lumbar adjuster, driver seat50Yes
Memory system, driver seat200No
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Mirror tilt-down in reverse25No
Navigation system600Yes
Telematics service, such as OnStar200No
Voice control for nav and audio75No
Traffic + travel information25No
Remote app25No
Total Requested85040%
Total Not Requested130060%

Option Package Details
Infiniti Q50 3.0t 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%
Cargo Package
FeatureValueRequested?
Cargo net40Yes
Cargo mat40Yes
First-aid kit15No
Total Requested8084%
Total Not Requested1516%
Driver Assistance Package
FeatureValueRequested?
Obstacle detection, front150No
Obstacle detection, rear250No
Blind spot warning system200No
Around view cameras300No
Rear cross-traffic detection100No
Automatic braking, high-speed or partial200No
Backup collision intervention150No
Moving object detection, front25No
Moving object detection, rear25No
Predictive forward collision warning250No
Total Requested00%
Total Not Requested1650100%
Premium Plus Package
FeatureValueRequested?
Remote start150No
Folding second row seats300No
Second-row 2-section 3-person split bench100No
Heated front seats200Yes
Heated steering wheel100No
Tilt/telescoping steering wheel, power100No
Power lumbar adjuster, driver seat50Yes
Memory system, driver seat200No
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Mirror tilt-down in reverse25No
Navigation system600Yes
Telematics service, such as OnStar200No
Voice control for nav and audio75No
Traffic + travel information25No
Remote app25No
Total Requested85037%
Total Not Requested145063%

Option Package Details
Infiniti Q50 Hybrid Premium

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 2.0t Sport

All-weather floor mats
FeatureValueRequested?
All-weather floor mats75Yes
Cargo tray40No
Total Requested7565%
Total Not Requested4035%
Premium Plus Package
FeatureValueRequested?
Second-row 2-section 3-person split bench100No
Folding second row seats300No
Heated front seats200Yes
Heated steering wheel100No
Navigation system600Yes
Telematics service, such as OnStar200No
Voice control for nav and audio75No
Traffic + travel information25No
Remote app25No
Total Requested80049%
Total Not Requested82551%
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%
Premium Plus Package
FeatureValueRequested?
Remote start150No
Folding second row seats300No
Second-row 2-section 3-person split bench100No
Heated front seats200Yes
Heated steering wheel100No
Navigation system600Yes
Telematics service, such as OnStar200No
Voice control for nav and audio75No
Traffic + travel information25No
Remote app25No
Total Requested80045%
Total Not Requested97555%
Cargo Package
FeatureValueRequested?
Cargo net40Yes
Cargo mat40Yes
First-aid kit15No
Total Requested8084%
Total Not Requested1516%

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

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Coupes
See TrueDelta's information for all Mazda models.