Acura RDX Acura RDX 2008 Mazda RX-8 Mazda RX-8 2011

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Acura RDX vs. Mazda RX-8 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.

Acura RDX vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $35,450

Mazda RX-8 Grand Touring   
Difference: $1,960

Lowest Total Invoice: $32,713

Mazda RX-8 Grand Touring   
Difference: $1,717

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082011
ModelRDXRX-8
TrimBaseGrand Touring
Body4dr SUV4dr Coupe
Base Price $33,195 $32,260
Base Invoice $30,505 $29,878
Technology Package 3,500  
Temporary spare tire   395
Navigation system   2,000
Technology Package 3,210  
Temporary spare tire   320
Navigation system   1,720
Options (change) 3,500 2,395
Options (change) 3,210 2,040
Destination 715 795
Total Price $37,410 $35,450
Total Invoice $34,430 $32,713

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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 Acura RDX dealer quotes or Mazda RX-8 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Acura RDX
TrueDelta Adjusted Price Difference: $2,440
TrueDelta Adjusted Invoice Difference: $2,333
Model Year20082011
ModelRDXRX-8
TrimBaseGrand Touring
Body4dr SUV4dr Coupe
Engine240hp I4232hp R2
TransmissionT5M6
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)410, 10300, 9
Tire (rear if not all the same)235/55-18225/45-18
Total Price$37,410$35,450
Adjustments for Features-4,4000
Feature-Adjusted Total Price$33,010$35,450
Total Invoice$34,430$32,713
Adjustments for Features-4,0500
Feature-Adjusted Total Invoice$30,380$32,713

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Features Comparison: Acura RDX vs. Mazda RX-8

Model Year20082011
ModelRDXRX-8
TrimBaseGrand Touring
Body4dr SUV4dr Coupe
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
6-speed manual $150
AWD$1700 
RWD $0
Accessories 
Power rear side windows$200 
Proximity key $250
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 
Active rear differential$500 
Limited-slip rear differential $300
Exterior 
Bodyside cladding$350 
Deep-tinted rear windows$275 
Infotainment 
DVD-Audio-compatible player$0 
Traffic information$25 
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Auto-dimming rearview mirror $150
Automatic headlights $125
Automatic-off headlights$25 
Boost gauge$75 
Interior ambient lighting$150 
Mirror tilt-down in reverse$25 
Trip computer$150 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Folding second row seats$300 
Leather door panel trim$250 
Metal pedals $75
Total Value of Features$6,150$1,750
Value of Feature Adjustments$4,400$0
Value of Feature Adjustments-4,0500

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Specifications Comparison: Acura RDX vs. Mazda RX-8

Model Year20082011
ModelRDXRX-8
Body4dr SUV4dr Coupe
Wheelbase104.3 in106.4 in
Length180.7 in175.6 in
Width73.6 in69.7 in
Height65.2 in52.8 in
Curb Weight3,969 lb.3,065 lb.
Fuel Capacity18.0 gal.15.9 gal.
Row 1 Headroom38.7 in38.2 in
Row 1 Shoulder Room58.2 in54.8 in
Row 1 Hip Room54.4 in53.3 in
Row 1 Legroom41.8 in42.7 in
Row 2 Headroom38.3 in36.8 in
Row 2 Shoulder Room56.3 in54.9 in
Row 2 Hip Room53.0 in48.1 in
Row 2 Legroom37.6 in32.2 in
Cargo Volume,
Minimum
27.8 ft37.6 ft3
Cargo Volume,
Maximum
60.6 ft37.6 ft3

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Option Package Details
Acura RDX

Technology Package
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Rearview camera200No
Surround sound250Yes
Voice control for nav and audio100No
Traffic information25No
ELS, 410W, 10 speakers (with subwoofer)350No
Total Requested85056%
Total Not Requested67544%

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