Mazda RX-8 Mazda RX-8 2009 Acura RDX Acura RDX 2018

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

Join Us

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: $6,310

Lowest Total Invoice: $32,810

Mazda RX-8 Grand Touring   
Difference: $7,086

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092018
ModelRX-8RDX
TrimGrand TouringBase
Body4dr Coupe4dr SUV
Base Price $31,000 $35,800
Base Invoice $28,681 $33,995
Premium Package 900  
6-speed shiftable automatic 700  
Temporary spare tire 395  
Navigation system 2,000  
Technology Package   3,700
AWD   1,500
Premium Package 774  
6-speed shiftable automatic 645  
Temporary spare tire 320  
Navigation system 1,720  
Technology Package   3,505
AWD   1,421
Options (change) 3,995 5,200
Options (change) 3,459 4,926
Destination 670 975
Total Price $35,665 $41,975
Total Invoice $32,810 $39,896

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 Acura RDX 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. Acura RDX

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $980
TrueDelta Adjusted Invoice Difference: $2,020
Model Year20092018
ModelRX-8RDX
TrimGrand TouringBase
Body4dr Coupe4dr SUV
Engine212hp R2279hp 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$41,975
Adjustments for Features0-5,330
Feature-Adjusted Total Price$35,665$36,645
Total Invoice$32,810$39,896
Adjustments for Features0-5,066
Feature-Adjusted Total Invoice$32,810$34,830

Return to top

Features Comparison: Mazda RX-8 vs. Acura RDX

Model Year20092018
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
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
Blind spot warning system $200
Brake assist $50
Cross-traffic warning, rear $100
Rearview camera $200
Rollover sensor $50
Wide-view rear camera $0
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 air vents $100
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
HD radio $50
Media drive $15
Siri Eyes Free support $0
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
Fog lights$125 
Interior ambient lighting $150
LED headlights $1000
Mirror tilt-down in reverse $25
Spotter mirror(s) $50
Trip computer $150
Turn signals on or near mirrors $25
Xenon HID headlights$500 
Seats and Interior Trim 
Folding second row seats $300
Power fore-aft adjuster, passenger seat $100
Power height adjuster, passenger seat $100
Power recliner, passenger seat $100
Power tilt adjuster, passenger seat $100
Suspension, Wheels, and Tires 
Adaptive dampers - mechanical $100
Alloy wheels$350 
Machined alloy wheels $350
Total Value of Features$3,400$8,730
Value of Feature Adjustments$0$5,330
Value of Feature Adjustments0-5,066

Return to top

Specifications Comparison: Mazda RX-8 vs. Acura RDX

Model Year20092018
ModelRX-8RDX
Body4dr Coupe4dr SUV
Wheelbase106.4 in105.7 in
Length175.6 in184.4 in
Width69.7 in73.7 in
Height52.8 in65.0 in
Curb Weight3,094 lb.3,902 lb.
Fuel Capacity15.9 gal.16.0 gal.
Row 1 Headroom38.2 in38.7 in
Row 1 Shoulder Room54.8 in58.7 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

Return to top

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
Leather seating surfaces900Yes
Telematics service, such as OnStar200No
DVD-Audio-compatible player0No
Power height adjuster, passenger seat100No
Power tilt adjuster, passenger seat100No
Surround sound250Yes
Voice control for nav and audio100No
HD radio50No
Blind spot warning system200No
Media drive15No
ELS, 410W, 10 speakers (with subwoofer)350No
Traffic + travel information25No
Cross-traffic warning, rear100No
Total Requested175059%
Total Not Requested124041%

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.