Audi A8 / S8 Audi A8 / S8 2018 Mazda RX-8 Mazda RX-8 2009

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Audi A8 / S8 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.

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

Lowest Total Price: $35,083

Mazda RX-8 Grand Touring   
Difference: $82,017

Lowest Total Invoice: $32,259

Mazda RX-8 Grand Touring   
Difference: $76,713

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182009
ModelA8 / S8RX-8
TrimS8 PlusGrand Touring
Body4dr Sedan4dr Coupe
Base Price $115,900 $31,000
Base Invoice $107,788 $28,681
All-weather floor mats 225 78
Premium Package   900
Cargo net   40
Temporary spare tire   395
Navigation system   2,000
All-weather floor mats 209 62
Premium Package   774
Cargo net   32
Temporary spare tire   320
Navigation system   1,720
Options (change) 225 3,413
Options (change) 209 2,908
Destination 975 670
Total Price $117,100 $35,083
Total Invoice $108,972 $32,259

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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 Audi A8 / S8 dealer quotes or Mazda RX-8 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $66,122
TrueDelta Adjusted Invoice Difference: $61,921
Model Year20182009
ModelA8 / S8RX-8
TrimS8 PlusGrand Touring
Body4dr Sedan4dr Coupe
Engine605hp V8232hp R2
TransmissionT8M6
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)630, 14300, 9
Tire (rear if not all the same)275/35-21225/45-18
Total Price$117,100$35,083
Adjustments for Features-15,8950
Feature-Adjusted Total Price$101,205$35,083
Total Invoice$108,972$32,259
Adjustments for Features-14,7920
Feature-Adjusted Total Invoice$94,180$32,259

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

Model Year20182009
ModelA8 / S8RX-8
TrimS8 PlusGrand Touring
Body4dr Sedan4dr Coupe
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manual $150
AWD$1700 
RWD $0
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 
Carbon fiber trim$200 
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 
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$18,145$2,250
Value of Feature Adjustments$15,895$0
Value of Feature Adjustments-14,7920

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

Model Year20182009
ModelA8 / S8RX-8
Body4dr Sedan4dr Coupe
Wheelbase117.8 in106.4 in
Length202.6 in175.6 in
Width76.7 in69.7 in
Height57.4 in52.8 in
Curb Weight4,686 lb.3,065 lb.
Fuel Capacity21.7 gal.15.9 gal.
Row 1 Headroom37.2 in38.2 in
Row 1 Shoulder Room59.1 in54.8 in
Row 1 Hip Room0.0 in53.3 in
Row 1 Legroom41.4 in42.7 in
Row 2 Headroom38.1 in36.8 in
Row 2 Shoulder Room57.8 in54.9 in
Row 2 Hip Room0.0 in48.1 in
Row 2 Legroom38.7 in32.2 in
Cargo Volume14.2 ft37.6 ft3

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Option Package Details
Mazda RX-8 Grand Touring

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

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