Mazda RX-8 Mazda RX-8 2010 Audi A8 / S8 Audi A8 / S8 2017

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

Join Us

Mazda RX-8 vs. Audi A8 / S8 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. Audi A8 / S8 Invoice Comparison

Lowest Total Price: $35,145

Mazda RX-8 Grand Touring   
Difference: $81,705

Lowest Total Invoice: $32,388

Mazda RX-8 Grand Touring   
Difference: $76,350

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102017
ModelRX-8A8 / S8
TrimGrand TouringS8 Plus
Body4dr Coupe4dr Sedan
Base Price $31,960 $115,900
Base Invoice $29,566 $107,788
Cargo net 40  
Navigation system 2,000  
Temporary spare tire 395  
Wood trim   0
Cargo net 32  
Navigation system 1,720  
Temporary spare tire 320  
Wood trim   0
Options (change) 2,435 0
Options (change) 2,072 0
Destination 750 950
Total Price $35,145 $116,850
Total Invoice $32,388 $108,738

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 Audi A8 / S8 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. Audi A8 / S8

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $65,710
TrueDelta Adjusted Invoice Difference: $61,465
Model Year20102017
ModelRX-8A8 / S8
TrimGrand TouringS8 Plus
Body4dr Coupe4dr Sedan
Engine232hp R2605hp V8
TransmissionM6T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)300, 9630, 14
Tire (rear if not all the same)225/45-18275/35-21
Total Price$35,145$116,850
Adjustments for Features0-15,995
Feature-Adjusted Total Price$35,145$100,855
Total Invoice$32,388$108,738
Adjustments for Features0-14,885
Feature-Adjusted Total Invoice$32,388$93,853

Return to top

Features Comparison: Mazda RX-8 vs. Audi A8 / S8

Model Year20102017
ModelRX-8A8 / S8
TrimGrand TouringS8 Plus
Body4dr Coupe4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Active noise reduction $0
Hands-free trunk or liftgate $100
Power door closers $300
Power rear side windows $200
Power trunk closer $350
Remote window/roof operation $15
Sunshade, rear, power $225
Sunshades, second row, power $225
Tilt steering wheel, manual$150 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Around view cameras $500
Blind spot warning system $200
Brake assist $50
Brake- or yaw-sensor-initiated collision preparation system $0
Collision preparation system, rear $100
Full-size spare tire $225
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Obstacle detection, rear $250
Rear side airbags $300
Rollover sensor $50
Temporary spare tire$150 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment $50
Overhead sunglass holder$25 
Rear seat pass-through$100 
Second-row high console$250 
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Heated windshield washer nozzles $15
Rear air vents with automatic controls $250
Rear dual-zone climate control $125
Residual heat $50
Drivetrain 
Limited-slip rear differential$300 
Engine / Motor 
Dual-mode exhaust, switchable $500
Exterior 
Body kit $0
Laminated front side windows $200
Laminated rear side windows $100
Infotainment 
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
Media drive $15
SD Card slot $25
Traffic + travel information $25
USB port $25
Voice control for nav and audio $100
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming driver-side mirror $75
Auto-dimming headlights $200
Auto-dimming passenger-side mirror $75
Compass $0
Cornering lights $50
Fog light, rear $100
Fog lights$125 
Head-up display (HUD) $350
Headlight washers $50
Interior ambient lighting, configurable $150
LED headlights $1000
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Trip computer $150
Turn signals on or near mirrors $25
Xenon HID headlights$500 
Seats and Interior Trim 
Cooled or ventilated front seats $300
Leather door panel trim $250
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat $150
Metal pedals$75 
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power fore-aft adjuster, passenger seat $100
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power height adjuster, passenger seat $100
Power lumbar adjuster, driver seat$100 
Power recliner, passenger seat $100
Power seat belt height adjusters, front row $25
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Power tilt adjuster, passenger seat $100
Power upper seatback recliner, driver seat $100
Power upper seatback recliner, passenger seat $100
Synthetic suede headliner $650
Upholstered instrument panel $300
Wood trim $300
Suspension, Wheels, and Tires 
Active steering $1000
Adaptive dampers - electrical $500
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$2,250$18,245
Value of Feature Adjustments$0$15,995
Value of Feature Adjustments0-14,885

Return to top

Specifications Comparison: Mazda RX-8 vs. Audi A8 / S8

Model Year20102017
ModelRX-8A8 / S8
Body4dr Coupe4dr Sedan
Wheelbase106.4 in117.8 in
Length175.6 in202.6 in
Width69.7 in76.7 in
Height52.8 in57.4 in
Curb Weight3,065 lb.4,686 lb.
Fuel Capacity15.9 gal.21.7 gal.
Row 1 Headroom38.2 in37.2 in
Row 1 Shoulder Room54.8 in59.1 in
Row 1 Hip Room53.3 in0.0 in
Row 1 Legroom42.7 in41.4 in
Row 2 Headroom36.8 in38.1 in
Row 2 Shoulder Room54.9 in57.8 in
Row 2 Hip Room48.1 in0.0 in
Row 2 Legroom32.2 in38.7 in
Cargo Volume7.6 ft314.2 ft3

Return to top

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.