Mazda RX-8 Mazda RX-8 2008 Infiniti Q40 Infiniti Q40 2015
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Mazda RX-8 vs. Infiniti Q40 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 Q40 Invoice Comparison

Lowest Total Price: $34,115

Mazda RX-8 Manual   
Difference: $4,640

Lowest Total Invoice: $31,426

Mazda RX-8 Manual   
Difference: $4,680

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082015
ModelRX-8Q40
TrimManualBase
Body4dr Coupe4dr Sedan
Base Price $26,435 $33,950
Base Invoice $24,458 $31,574
Grand Touring Package 4,635  
Temporary spare tire 395  
Navigation system 2,000  
Navigation Package   2,900
Sunroof   1,000
Grand Touring Package 4,277  
Temporary spare tire 320  
Navigation system 1,721  
Navigation Package   2,697
Sunroof   930
Options (change) 7,030 3,900
Options (change) 6,318 3,627
Destination 650 905
Total Price $34,115 $38,755
Total Invoice $31,426 $36,106

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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

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

Request free, no-obligation Mazda RX-8 dealer quotes or Infiniti Q40 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 Q40

Lowest Adjusted Price and Invoice: Mazda RX-8 Manual
TrueDelta Adjusted Price Difference: $1,775
TrueDelta Adjusted Invoice Difference: $2,011
Model Year20082015
ModelRX-8Q40
TrimManualBase
Body4dr Coupe4dr Sedan
Engine232hp R2328hp V6
TransmissionM6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)16/22 MPG19/27 MPG
Audio (watts, speakers)300, 9?, 10
Tire (rear if not all the same)225/45-18225/55-17
Total Price$34,115$38,755
Adjustments for Features0-2,865
Feature-Adjusted Total Price$34,115$35,890
Total Invoice$31,426$36,106
Adjustments for Features0-2,669
Feature-Adjusted Total Invoice$31,426$33,437

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Features Comparison: Mazda RX-8 vs. Infiniti Q40

Model Year20082015
ModelRX-8Q40
TrimManualBase
Body4dr Coupe4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Power rear side windows $200
Remote window/roof operation $15
Tilt steering wheel, manual$150 
Tilt/telescoping steering wheel, manual $250
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Brake assist $50
Rearview camera $200
Cargo Management 
Second-row high console$250 
Climate Control 
Automatic climate control, front $200
Rear air vents $100
Drivetrain 
Limited-slip rear differential$300 
Infotainment 
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
CD changer, in-dash$325 
CD player $125
Concierge Services - 4 year subscription $200
DVD-compatible player $0
MP3-compatible player $50
Satellite radio $200
Surround sound $250
Traffic + travel information $25
USB port $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Analog clock $25
Automatic headlights $125
Compass $0
Trip computer $150
Seats and Interior Trim 
Aluminum trim $100
Manual lumbar adjuster, driver seat $50
Metal pedals$75 
Power fore-aft adjuster, passenger seat $100
Power height adjuster, passenger seat $100
Power lumbar adjuster, driver seat$100 
Power recliner, passenger seat $100
Power tilt adjuster, passenger seat $100
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 
Total Value of Features$1,350$4,215
Value of Feature Adjustments$0$2,865
Value of Feature Adjustments0-2,669

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See a complete comparison of Mazda RX-8 vs. Infiniti Q40 features.

Specifications Comparison: Mazda RX-8 vs. Infiniti Q40

Model Year20082015
ModelRX-8Q40
Body4dr Coupe4dr Sedan
Wheelbase106.4 in112.2 in
Length174.3 in187.9 in
Width69.7 in69.8 in
Height52.8 in57.2 in
Curb Weight3,045 lb.3,624 lb.
Fuel Capacity15.9 gal.20.0 gal.
Row 1 Headroom38.2 in40.5 in
Row 1 Shoulder Room54.8 in55.6 in
Row 1 Hip Room53.3 in55.1 in
Row 1 Legroom42.7 in43.9 in
Row 2 Headroom36.8 in37.7 in
Row 2 Shoulder Room54.9 in55.2 in
Row 2 Hip Room48.1 in53.7 in
Row 2 Legroom32.2 in34.7 in
Cargo Volume7.6 ft313.5 ft3

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See a complete comparison of Mazda RX-8 vs. Infiniti Q40 specs.

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 seat100No
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 Requested400079%
Total Not Requested105021%

Option Package Details
Infiniti Q40

Navigation Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250No
DVD-compatible player0No
Bose, 10 speakers (with subwoofer)350No
Voice control for nav and audio100No
Traffic + travel information25No
Bluetooth audio streaming25No
Total Requested60044%
Total Not Requested75056%

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