Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2008 Mazda RX-8 Mazda RX-8 2011

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

Join Us

Audi A4 / S4 / RS4 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 A4 / S4 / RS4 vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $35,490

Mazda RX-8 Grand Touring   
Difference: $6,360

Lowest Total Invoice: $32,745

Mazda RX-8 Grand Touring   
Difference: $6,233

Calculate Payments

  Down Payment Interest Rate Term
Model Year2008200820082011
ModelA4 / S4 / RS4A4 / S4 / RS4A4 / S4 / RS4RX-8
TrimA4 3.2S4RS4Grand Touring
Body4dr Sedan4dr Sedan4dr Sedan4dr Coupe
Base Price $36,300 $48,610 $66,910 $32,260
Base Invoice $33,761 $45,207 $62,227 $29,878
Convenience Package 1,700 2,125    
Metallic paint (extra cost) 475 475    
Bluetooth cell phone link 500 500    
Navigation system 2,100 1,950   2,000
Premium Package     4,000  
Temporary spare tire       395
Cargo net       40
Convenience Package 1,580 1,977    
Metallic paint (extra cost) 443 443    
Bluetooth cell phone link 466 466    
Navigation system 1,953 1,813   1,720
Premium Package     3,720  
Temporary spare tire       320
Cargo net       32
Options (change) 4,775 5,050 4,000 2,435
Options (change) 4,442 4,699 3,720 2,072
Destination 775 775 775 795
Gas Tax 0 1,700 2,100 0
Total Price $41,850 $56,135 $73,785 $35,490
Total Invoice $38,978 $52,381 $68,822 $32,745

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 Audi A4 / S4 / RS4 dealer quotes or Mazda RX-8 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: Audi A4 / S4 / RS4 vs. Mazda RX-8

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $4,445
TrueDelta Adjusted Invoice Difference: $4,449
Model Year2008200820082011
ModelA4 / S4 / RS4A4 / S4 / RS4A4 / S4 / RS4RX-8
TrimA4 3.2S4RS4Grand Touring
Body4dr Sedan4dr Sedan4dr Sedan4dr Coupe
Engine255hp V6340hp V8420hp V8232hp R2
TransmissionCVT-7M6M6M6
DrivetrainFWDAWDAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)150, 10215, 10215, 10300, 9
Tire (rear if not all the same)235/40-18235/40-18255/35-19225/45-18
Total Price$41,850$56,135$73,785$35,490
Adjustments for Features-1,915-2,965-4,3650
Feature-Adjusted Total Price$39,935$53,170$69,420$35,490
Cost Above Minimum$0$13,235$29,485$0
Total Invoice$38,978$52,381$68,822$32,745
Adjustments for Features-1,784-2,767-4,0710
Feature-Adjusted Total Invoice$37,194$49,614$64,751$32,745
Cost Above Minimum$0$12,420$27,557$0

Return to top

Features Comparison: Audi A4 / S4 / RS4 vs. Mazda RX-8

Model Year2008200820082011
ModelA4 / S4 / RS4A4 / S4 / RS4A4 / S4 / RS4RX-8
TrimA4 3.2S4RS4Grand Touring
Body4dr Sedan4dr Sedan4dr Sedan4dr Coupe
Transmission and Drivetrain 
7-speed manually-shiftable CVT$1100   
6-speed manual $150$150$150
FWD$0   
AWD $1700$1700 
RWD   $0
Accessories 
Power rear side windows$200$200$200 
Proximity key   $250
Sunshade, rear, power  $225 
Sunshades, second row  $125 
Tilt steering wheel, manual   $150
Tilt/telescoping steering wheel, manual$250$250$250 
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 
Temporary spare tire   $150
Cargo Management 
Overhead sunglass holder   $25
Rear seat pass-through $100$100$100
Second-row high console   $250
Ski sack $50$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 
Drivetrain 
Limited-slip rear differential   $300
Exterior 
Body kit  $0 
Bodyside moldings$75$75$75 
Rear spoiler $200$200$200
Infotainment 
Aux input   $50
CD changer, in-dash   $325
CD changer, remote$200$200$200 
Satellite radio $200$200$200
SD Card slot$25$25$25 
Surround sound   $250
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 
Interior ambient lighting$150$150$150 
Power-folding mirrors$50$50$50 
Steering-linked headlights$150$150$150 
Trip computer$150$150$150 
Turn signals on or near mirrors$25$25$25 
Seats and Interior Trim 
Aluminum trim $100  
Carbon fiber trim  $200 
Folding second row seats$300$300$300 
Heated second row seats  $200 
Leather door panel trim $250$250 
Manual thigh support length adjuster, driver seat $50$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, driver seat$100  $100
Power fore-aft adjuster, passenger seat$100$100$100 
Power height adjuster, driver seat$100  $100
Power height adjuster, passenger seat$100$100$100 
Power lumbar adjuster, driver seat   $100
Power recliner, driver seat$100  $100
Power recliner, passenger seat$100$100$100 
Power tilt adjuster, driver seat$100  $100
Power tilt adjuster, passenger seat$100$100$100 
Wood trim$300   
Suspension, Wheels, and Tires 
Hydraulically cross-linked dampers  $500 
Ultra-sport suspension (upgrade) $0$0 
Total Value of Features$4,890$5,940$7,340$2,975
Value of Feature Adjustments$1,915$2,965$4,365$0
Value of Feature Adjustments-1,784-2,767-4,0710

Return to top

Specifications Comparison: Audi A4 / S4 / RS4 vs. Mazda RX-8

Model Year20082011
ModelA4 / S4 / RS4RX-8
Body4dr Sedan4dr Coupe
Wheelbase104.3 in106.4 in
Length180.6 in175.6 in
Width69.8 in69.7 in
Height56.2 in52.8 in
Curb Weight3,550 lb.3,065 lb.
Fuel Capacity16.6 gal.15.9 gal.
Row 1 Headroom38.4 in38.2 in
Row 1 Shoulder Room55.1 in54.8 in
Row 1 Hip Room0.0 in53.3 in
Row 1 Legroom41.3 in42.7 in
Row 2 Headroom37.2 in36.8 in
Row 2 Shoulder Room53.4 in54.9 in
Row 2 Hip Room0.0 in48.1 in
Row 2 Legroom34.3 in32.2 in
Cargo Volume13.4 ft37.6 ft3

Return to top

Option Package Details
Audi A4 / S4 / RS4 A4 3.2

Convenience Package
FeatureValueRequested?
Memory system, driver seat200Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Trip computer150No
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Auto-dimming driver-side mirror75No
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested117570%
Total Not Requested50030%

Option Package Details
Audi A4 / S4 / RS4 S4

Convenience Package
FeatureValueRequested?
Memory system, driver seat200Yes
Bose, 215W, 10 speakers (with subwoofer)350No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150No
Auto-dimming driver-side mirror75No
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested67549%
Total Not Requested70051%

Option Package Details
Audi A4 / S4 / RS4 RS4

Premium Package
FeatureValueRequested?
Navigation system600Yes
Heated second row seats200No
CD changer, remote-125Yes
Sunshades, second row125No
Sunshade, rear, power225No
Memory system, driver seat200Yes
Bose, 215W, 10 speakers (with subwoofer)350No
SD Card slot25No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Auto-dimming driver-side mirror75No
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested115051%
Total Not Requested112549%

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 Sedans, Wagons, and Convertibles.
See TrueDelta's information for all Audi models.