Audi A4 / S4 Audi A4 / S4 2021 Mazda RX-8 Mazda RX-8 2008
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Audi A4 / S4 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 vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $33,693

Mazda RX-8 Manual   
Difference: $20,597

Calculate Payments

  Down Payment Interest Rate Term
Model Year20212008
ModelA4 / S4RX-8
TrimS4Manual
Body4dr Sedan4dr Coupe
Base Price $49,900 $26,435
S Sport Package 2,500  
Metallic paint (extra cost) 575  
Cargo net 80 40
All-weather floor mats 190 78
Grand Touring Package   4,635
Rear spoiler   360
Temporary spare tire   395
Body kit   1,100
S Sport Package 2,326  
Metallic paint (extra cost) 536  
Cargo net 74 32
All-weather floor mats 177 62
Grand Touring Package   4,277
Rear spoiler   288
Temporary spare tire   320
Body kit   881
Options (change) 3,345 6,608
Options (change) 3,113 5,860
Destination 1,045 650
Total Price $54,290 $33,693

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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 A4 / S4 dealer quotes or Mazda RX-8 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A4 / S4 vs. Mazda RX-8

Lowest Adjusted Price: Mazda RX-8 Manual
Lowest Adjusted Invoice: Audi A4 / S4 S4
TrueDelta Adjusted Price Difference: $9,382
TrueDelta Adjusted Invoice Difference: $27,669
Model Year20212008
ModelA4 / S4RX-8
TrimS4Manual
Body4dr Sedan4dr Coupe
Engine349hp V6232hp R2
TransmissionT8M6
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)20/28 MPG16/22 MPG
Audio (watts, speakers)755, 19300, 9
Tire (rear if not all the same)245/40-18225/45-18
Total Price$54,290$33,693
Adjustments for Features-11,2150
Feature-Adjusted Total Price$43,075$33,693

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

Model Year20212008
ModelA4 / S4RX-8
TrimS4Manual
Body4dr Sedan4dr Coupe
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manual $150
AWD$1700 
RWD $0
Accessories 
Power rear side windows$200 
Tilt steering wheel, manual $150
Tilt/telescoping steering wheel, manual$250 
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial$200 
Automatic braking, low-speed$200 
Blind spot warning system$200 
Brake assist$50 
Collision preparation system, rear$100 
Cross-traffic warning, rear$100 
Driver drowsiness monitor$150 
Forward collision warning$200 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Obstacle detection, rear$250 
Pedestrian detection$50 
Radar- or camera-based collision preparation system$0 
Rearview camera$200 
Rollover sensor$50 
Secondary collision brake assist$25 
Torque vectoring, brake-based$100 
Vehicle exit assist$25 
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 
Automatic climate control, front$200 
Dual-zone climate control$125 
Heated windshield washer nozzles$15 
Rain-sensing wipers$175 
Rear air vents with automatic controls$250 
Variable intermittent wipers $75
Drivetrain 
Active rear differential$500 
Limited-slip rear differential $300
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Exterior 
Painted brake calipers (optional)$0 
Infotainment 
Android Auto support$100 
Apple CarPlay support$100 
Aux input$50 
Bluetooth audio streaming$25 
Bluetooth cell phone link$100 
CD changer, in-dash $325
CD player, remote$100 
HD radio$50 
MP3-compatible player$50 
Satellite radio$200 
SD Card slot$25 
Surround sound$250 
Telematics service, such as OnStar$200 
USB port$25 
Voice control for audio system$25 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75 
Auto-dimming passenger-side mirror$75 
Automatic headlights$125 
Boost gauge$75 
Compass$0 
Fog light, rear$100 
Interior ambient lighting$150 
LED headlights$1000 
Power-folding mirrors$50 
Trip computer$150 
Turn signals on or near mirrors$25 
Xenon HID headlights $500
Seats and Interior Trim 
Aluminum trim$100 
Door sill trim plates $100
Folding second row seats$300 
Illuminated door sill trim plates$200 
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Massage, driver seat$100 
Massage, passenger seat$100 
Memory system, driver seat$200 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power fore-aft adjuster, passenger seat$100 
Power height adjuster, passenger seat$100 
Power lumbar adjuster, driver seat $100
Power recliner, passenger seat$100 
Power tilt adjuster, passenger seat$100 
Synthetic suede door panel trim$250 
Synthetic suede inserts in leather seating surfaces$0 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Electronic systems calibration selector$200 
Transmission 
Launch control$100 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$13,290$2,075
Value of Feature Adjustments$11,215$0
Value of Feature Adjustments-8590

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See a complete comparison of Audi A4 / S4 vs. Mazda RX-8 features.

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

Model Year20212008
ModelA4 / S4RX-8
Body4dr Sedan4dr Coupe
Wheelbase111.0 in106.4 in
Length187.5 in174.3 in
Width72.7 in69.7 in
Height56.2 in52.8 in
Curb Weight3,847 lb.3,045 lb.
Fuel Capacity15.3 gal.15.9 gal.
Row 1 Headroom37.3 in38.2 in
Row 1 Shoulder Room55.9 in54.8 in
Row 1 Hip Room0.0 in53.3 in
Row 1 Legroom41.3 in42.7 in
Row 2 Headroom37.4 in36.8 in
Row 2 Shoulder Room54.5 in54.9 in
Row 2 Hip Room0.0 in48.1 in
Row 2 Legroom35.7 in32.2 in
Cargo Volume12.0 ft37.6 ft3

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See a complete comparison of Audi A4 / S4 vs. Mazda RX-8 specs.

Option Package Details
Audi A4 / S4 S4

S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500No
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested00%
Total Not Requested1000100%

Option Package Details
Mazda RX-8 Manual

Grand Touring Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated mirrors25Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power lumbar adjuster, driver seat100Yes
Proximity key250Yes
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500Yes
Sunroof900Yes
CD changer, in-dash200No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
225/45ZR18 tires400No
Total Requested410081%
Total Not Requested95019%

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