Audi A6 / S6 Audi A6 / S6 2018 Mazda RX-8 Mazda RX-8 2009

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Audi A6 / S6 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 A6 / S6 vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $35,133

Mazda RX-8 Grand Touring   
Difference: $16,507

Lowest Total Invoice: $32,295

Mazda RX-8 Grand Touring   
Difference: $15,802

Calculate Payments

  Down Payment Interest Rate Term
Model Year2018201820182009
ModelA6 / S6A6 / S6A6 / S6RX-8
TrimA6 2.0TA6 3.0TS6 4.0 TFSIGrand Touring
Body4dr Sedan4dr Sedan4dr Sedan4dr Coupe
Base Price $49,700 $58,700 $71,900 $31,000
Base Invoice $46,222 $54,592 $66,868 $28,681
Metallic paint (extra cost) 575 575 575  
Cargo mat 190 190 190 50
All-weather floor mats 200 200 200 78
Premium Package       900
Cargo net       40
Temporary spare tire       395
Navigation system       2,000
Metallic paint (extra cost) 536 536 536  
Cargo mat 178 178 178 36
All-weather floor mats 186 186 186 62
Premium Package       774
Cargo net       32
Temporary spare tire       320
Navigation system       1,720
Options (change) 965 965 965 3,463
Options (change) 900 900 900 2,944
Destination 975 975 975 670
Total Price $51,640 $60,640 $73,840 $35,133
Total Invoice $48,097 $56,467 $68,743 $32,295

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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 A6 / S6 dealer quotes or Mazda RX-8 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A6 / S6 vs. Mazda RX-8

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $12,152
TrueDelta Adjusted Invoice Difference: $11,746
Model Year2018201820182009
ModelA6 / S6A6 / S6A6 / S6RX-8
TrimA6 2.0TA6 3.0TS6 4.0 TFSIGrand Touring
Body4dr Sedan4dr Sedan4dr Sedan4dr Coupe
Engine252hp I4340hp V6450hp V8232hp R2
TransmissionS7T8S7M6
DrivetrainFWDAWDAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 10630, 14630, 14300, 9
Tire (rear if not all the same)245/45-18245/45-18255/35-20225/45-18
Total Price$51,640$60,640$73,840$35,133
Adjustments for Features-4,355-7,730-9,6050
Feature-Adjusted Total Price$47,285$52,910$64,235$35,133
Cost Above Minimum$0$5,625$16,950$0
Total Invoice$48,097$56,467$68,743$32,295
Adjustments for Features-4,056-7,198-8,9420
Feature-Adjusted Total Invoice$44,041$49,269$59,801$32,295
Cost Above Minimum$0$5,228$15,760$0

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Features Comparison: Audi A6 / S6 vs. Mazda RX-8

Model Year2018201820182009
ModelA6 / S6A6 / S6A6 / S6RX-8
TrimA6 2.0TA6 3.0TS6 4.0 TFSIGrand Touring
Body4dr Sedan4dr Sedan4dr Sedan4dr Coupe
Transmission and Drivetrain 
7-speed automated manual$1200 $1200 
8-speed manually-shiftable automatic $1300  
6-speed manual   $150
FWD$0   
AWD $1700$1700 
RWD   $0
Accessories 
Power rear side windows$200$200$200 
Tilt steering wheel, manual   $150
Tilt/telescoping steering wheel, manual$250   
Tilt/telescoping steering wheel, power $350$350 
Brakes, Airbags, and Other Safety 
Blind spot warning system $200$200 
Brake assist$50$50$50 
Collision preparation system, rear $100$100 
Knee airbag, driver$75$75$75 
Knee airbag, passenger$75$75$75 
Obstacle detection, front$150$150$150 
Obstacle detection, rear$250$250$250 
Rearview camera$200$200$200 
Rollover sensor$50$50$50 
Secondary collision brake assist$25$25$25 
Cargo Management 
Overhead sunglass holder   $25
Second-row high console   $250
Climate Control 
Automatic air recirculation$100$100$100 
Dual-zone climate control$125$125$125 
Heated windshield washer nozzles$15$15$15 
Rear air vents with automatic controls$250$250$250 
Rear dual-zone climate control $125$125 
Residual heat$50$50$50 
Drivetrain 
Limited-slip rear differential   $300
Engine / Motor 
Automatic start / stop$150$150$150 
Dual-mode exhaust, switchable  $500 
Regenerative braking$0$0$0 
Exterior 
Laminated front side windows$200$200$200 
Rear spoiler   $200
Infotainment 
4G LTE connectivity$0$0$0 
Android Auto support$100$100$100 
Apple CarPlay support$100$100$100 
Bluetooth audio streaming$25$25$25 
CD changer, in-dash   $325
CD player$125$125$125 
DVD-compatible player$0$0$0 
Handwriting recognition$200$200$200 
HD radio$50$50$50 
In-vehicle Internet$150$150$150 
Media drive$15$15$15 
SD Card slot$25$25$25 
Surround sound $250$250$250
Traffic + travel information$25$25$25 
USB port$25$25$25 
Voice control for nav and audio$100$100$100 
Wi-Fi hotspot$50$50$50 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75$75 
Auto-dimming passenger-side mirror $75$75 
Compass$0$0$0 
Fog light, rear$100$100$100 
Fog lights   $125
Interior ambient lighting$150$150$150 
LED headlights $1000$1000 
Mirror tilt-down in reverse$25$25$25 
Power-folding mirrors $50$50 
Trip computer$150$150$150 
Turn signals on or near mirrors$25$25$25 
Xenon HID headlights$500  $500
Seats and Interior Trim 
Door sill trim plates$100  $100
Folding second row seats$300$300$300 
Illuminated door sill trim plates $200$200 
Leather door panel trim  $250 
Metal pedals  $75$75
Power 4-way lumbar adjuster, driver seat$150$150$150 
Power 4-way lumbar adjuster, passenger seat  $150 
Power fore-aft adjuster, passenger seat$100$100$100 
Power height adjuster, passenger seat$100$100$100 
Power lumbar adjuster, driver seat   $100
Power recliner, passenger seat$100$100$100 
Power tilt adjuster, passenger seat$100$100$100 
Wood trim$300$300$300 
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable  $1000 
Electronic systems calibration selector$200$200$200 
Sport suspension (upgrade)  $0 
Transmission 
Steering-wheel-mounted transmission controls$100$100$100 
Total Value of Features$6,905$10,280$12,155$2,550
Value of Feature Adjustments$4,355$7,730$9,605$0
Value of Feature Adjustments-4,056-7,198-8,9420

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Specifications Comparison: Audi A6 / S6 vs. Mazda RX-8

Model Year20182009
ModelA6 / S6RX-8
Body4dr Sedan4dr Coupe
Wheelbase114.6 in106.4 in
Length194.2 in175.6 in
Width73.8 in69.7 in
Height57.8 in52.8 in
Curb Weight3,804 lb.3,065 lb.
Fuel Capacity19.8 gal.15.9 gal.
Row 1 Headroom37.2 in38.2 in
Row 1 Shoulder Room57.5 in54.8 in
Row 1 Hip Room0.0 in53.3 in
Row 1 Legroom41.3 in42.7 in
Row 2 Headroom37.8 in36.8 in
Row 2 Shoulder Room56.3 in54.9 in
Row 2 Hip Room0.0 in48.1 in
Row 2 Legroom37.4 in32.2 in
Cargo Volume14.1 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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