Audi A6 / S6 Audi A6 / S6 2008 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: $35,055

Mazda RX-8 Grand Touring   
Difference: $14,020

Lowest Total Invoice: $32,233

Mazda RX-8 Grand Touring   
Difference: $13,459

Calculate Payments

  Down Payment Interest Rate Term
Model Year2008200820082009
ModelA6 / S6A6 / S6A6 / S6RX-8
TrimA6 3.2A6 4.2S6Grand Touring
Body4dr Sedan4dr Sedan4dr Sedan4dr Coupe
Base Price $42,950 $56,300 $72,350 $31,000
Base Invoice $39,943 $52,361 $67,285 $28,681
Premium Package 3,550     900
Universal garage door opener 200      
Navigation system 1,600 1,600   2,000
Technology Package     3,350  
Temporary spare tire       395
Cargo net       40
Cargo mat       50
Premium Package 3,302     774
Universal garage door opener 185      
Navigation system 1,487 1,487   1,720
Technology Package     3,115  
Temporary spare tire       320
Cargo net       32
Cargo mat       36
Options (change) 5,350 1,600 3,350 3,385
Options (change) 4,974 1,487 3,115 2,882
Destination 775 775 775 670
Gas Tax 0 0 1,300 0
Total Price $49,075 $58,675 $77,775 $35,055
Total Invoice $45,692 $54,623 $72,475 $32,233

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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: $11,605
TrueDelta Adjusted Invoice Difference: $11,210
Model Year2008200820082009
ModelA6 / S6A6 / S6A6 / S6RX-8
TrimA6 3.2A6 4.2S6Grand Touring
Body4dr Sedan4dr Sedan4dr Sedan4dr Coupe
Engine255hp V6350hp V8435hp V10232hp R2
TransmissionCVT-7T6T6M6
DrivetrainFWDAWDAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)330, 13330, 13330, 13300, 9
Tire (rear if not all the same)245/40-18245/40-18265/35-19225/45-18
Total Price$49,075$58,675$77,775$35,055
Adjustments for Features-2,415-4,615-5,9900
Feature-Adjusted Total Price$46,660$54,060$71,785$35,055
Cost Above Minimum$0$7,400$25,125$0
Total Invoice$45,692$54,623$72,475$32,233
Adjustments for Features-2,249-4,296-5,5820
Feature-Adjusted Total Invoice$43,443$50,327$66,893$32,233
Cost Above Minimum$0$6,884$23,450$0

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

Model Year2008200820082009
ModelA6 / S6A6 / S6A6 / S6RX-8
TrimA6 3.2A6 4.2S6Grand Touring
Body4dr Sedan4dr Sedan4dr Sedan4dr Coupe
Transmission and Drivetrain 
7-speed manually-shiftable CVT$1100   
6-speed manually-shiftable automatic $1100$1100 
6-speed manual   $150
FWD$0   
AWD $1700$1700 
RWD   $0
Accessories 
Power rear side windows$200$200$200 
Proximity key  $250$250
Tilt steering wheel, manual   $150
Tilt/telescoping steering wheel, manual$250   
Tilt/telescoping steering wheel, power $350$350 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0$0 
Brake assist$50$50$50 
Full-size spare tire$225$225$225 
Obstacle detection, rear  $250 
Rearview camera  $200 
Temporary spare tire   $150
Cargo Management 
Overhead sunglass holder   $25
Rear seat pass-through  $100$100
Second-row high console   $250
Ski sack  $50 
Storage compartment under front seat(s)$50$50$50 
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$100$100$100 
Residual heat$50$50$50 
Drivetrain 
Limited-slip rear differential   $300
Exterior 
Bodyside cladding  $350 
Bodyside moldings$75$75  
Rear spoiler   $200
Infotainment 
Aux input   $50
CD changer, in-dash   $325
CD changer, remote$200$200$200 
Voice control for nav and audio  $100 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75$75 
Auto-dimming passenger-side mirror$75$75$75 
Compass$0$0$0 
Fog light, rear$100$100$100 
Headlight washers$50$50$50 
Interior ambient lighting$150$150$150 
Mirror tilt-down in reverse$25$25$25 
Power-folding mirrors$50$50$50 
Steering-linked headlights $150$150 
Trip computer$150$150$150 
Turn signals on or near mirrors$25$25$25 
Seats and Interior Trim 
Folding second row seats$300$300$300 
Leather door panel trim $250$250 
Manual thigh support length adjuster, driver seat  $50 
Metal pedals   $75
Power 4-way lumbar adjuster, driver seat$150$150$150 
Power 4-way lumbar adjuster, passenger seat$150$150$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 
Sport suspension (upgrade)  $0 
Transmission 
Steering-wheel-mounted transmission controls  $100 
Total Value of Features$4,540$6,740$8,115$2,125
Value of Feature Adjustments$2,415$4,615$5,990$0
Value of Feature Adjustments-2,249-4,296-5,5820

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

Model Year20082009
ModelA6 / S6RX-8
Body4dr Sedan4dr Coupe
Wheelbase111.9 in106.4 in
Length193.5 in175.6 in
Width73.1 in69.7 in
Height57.5 in52.8 in
Curb Weight4,013 lb.3,065 lb.
Fuel Capacity21.1 gal.15.9 gal.
Row 1 Headroom38.7 in38.2 in
Row 1 Shoulder Room57.1 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 Room55.9 in54.9 in
Row 2 Hip Room0.0 in48.1 in
Row 2 Legroom36.9 in32.2 in
Cargo Volume15.9 ft37.6 ft3

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Option Package Details
Audi A6 / S6 A6 3.2

Premium Package
FeatureValueRequested?
Bose, 330W, 13 speakers (with subwoofer)350No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75No
Compass0No
Surround sound250Yes
Storage compartment under front seat(s)50No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Heated front seats200Yes
Sunroof900Yes
Auto-dimming rearview mirror150Yes
Total Requested220079%
Total Not Requested60021%

Option Package Details
Audi A6 / S6 S6

Technology Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250No
Rearview camera200No
Proximity key250Yes
Voice control for nav and audio100No
Total Requested85061%
Total Not Requested55039%

Option Package Details
Mazda RX-8 Grand Touring

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

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