Mazda RX-8 Mazda RX-8 2009 Acura RDX Acura RDX 2015
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Mazda RX-8 vs. Acura RDX 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. Acura RDX Invoice Comparison

Lowest Total Price: $35,665

Mazda RX-8 Grand Touring   
Difference: $5,450

Lowest Total Invoice: $32,810

Mazda RX-8 Grand Touring   
Difference: $5,792

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  Down Payment Interest Rate Term
Model Year20092015
ModelRX-8RDX
TrimGrand TouringBase
Body4dr Coupe4dr SUV
Base Price $31,000 $35,095
Base Invoice $28,681 $32,962
Premium Package 900  
6-speed shiftable automatic 700  
Temporary spare tire 395  
Navigation system 2,000  
Technology Package   3,700
AWD   1,400
Premium Package 774  
6-speed shiftable automatic 645  
Temporary spare tire 320  
Navigation system 1,720  
Technology Package   3,424
AWD   1,296
Options (change) 3,995 5,100
Options (change) 3,459 4,720
Destination 670 920
Total Price $35,665 $41,115
Total Invoice $32,810 $38,602

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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 Acura RDX dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mazda RX-8 vs. Acura RDX

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $1,160
TrueDelta Adjusted Invoice Difference: $1,764
Model Year20092015
ModelRX-8RDX
TrimGrand TouringBase
Body4dr Coupe4dr SUV
Engine212hp R2273hp V6
TransmissionT6T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)16/23 MPG19/27 MPG
Audio (watts, speakers)300, 9410, 10
Tire (rear if not all the same)225/45-18235/60-18
Total Price$35,665$41,115
Adjustments for Features0-4,290
Feature-Adjusted Total Price$35,665$36,825
Total Invoice$32,810$38,602
Adjustments for Features0-4,028
Feature-Adjusted Total Invoice$32,810$34,574

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Features Comparison: Mazda RX-8 vs. Acura RDX

Model Year20092015
ModelRX-8RDX
TrimGrand TouringBase
Body4dr Coupe4dr SUV
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
RWD$0 
AWD $1700
Accessories 
Active noise reduction $0
Power liftgate $350
Power rear side windows $200
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
Rollover sensor $50
Cargo Management 
Cargo cover $75
Overhead sunglass holder$25 
Rear seat pass-through$100 
Second-row high console$250 
Climate Control 
Dual-zone climate control $125
Rain-sensing wipers$175 
Rear wiper $175
Variable intermittent wipers $75
Drivetrain 
Limited-slip rear differential$300 
Exterior 
Bodyside cladding $350
Deep-tinted rear windows $275
Rear spoiler $200
Infotainment 
App support $0
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
DVD-Audio-compatible player $0
Media drive $15
SMS text-to-speech reader $25
Telematics service, such as OnStar $200
Traffic + travel information $25
USB port $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Compass $0
Interior ambient lighting $150
Mirror tilt-down in reverse $25
Spotter mirror(s) $50
Trip computer $150
Turn signals on or near mirrors $25
Seats and Interior Trim 
Folding second row seats $300
Power fore-aft adjuster, passenger seat $100
Power recliner, passenger seat $100
Suspension, Wheels, and Tires 
Adaptive dampers - mechanical $100
Total Value of Features$2,425$6,715
Value of Feature Adjustments$0$4,290
Value of Feature Adjustments0-4,028

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See a complete comparison of Mazda RX-8 vs. Acura RDX features.

Specifications Comparison: Mazda RX-8 vs. Acura RDX

Model Year20092015
ModelRX-8RDX
Body4dr Coupe4dr SUV
Wheelbase106.4 in105.7 in
Length175.6 in183.5 in
Width69.7 in73.7 in
Height52.8 in66.1 in
Curb Weight3,094 lb.3,838 lb.
Fuel Capacity15.9 gal.16.0 gal.
Row 1 Headroom38.2 in38.7 in
Row 1 Shoulder Room54.8 in58.6 in
Row 1 Hip Room53.3 in55.7 in
Row 1 Legroom42.7 in42.0 in
Row 2 Headroom36.8 in38.1 in
Row 2 Shoulder Room54.9 in57.2 in
Row 2 Hip Room48.1 in53.8 in
Row 2 Legroom32.2 in38.3 in
Cargo Volume,
Minimum		7.6 ft326.1 ft3
Cargo Volume,
Maximum		7.661.3 ft3

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See a complete comparison of Mazda RX-8 vs. Acura RDX specs.

Option Package Details
Mazda RX-8 Grand Touring

Premium Package
FeatureValueRequested?
Sunroof900Yes
Satellite radio200Yes
Total Requested1100100%
Total Not Requested00%

Option Package Details
Acura RDX

Technology Package
FeatureValueRequested?
Navigation system600Yes
Fog lights125Yes
Xenon HID headlights500Yes
Telematics service, such as OnStar200No
DVD-Audio-compatible player0No
Power liftgate350No
Surround sound250Yes
Voice control for nav and audio100No
Media drive15No
ELS, 410W, 10 speakers (with subwoofer)350No
Traffic + travel information25No
Total Requested147559%
Total Not Requested104041%

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