Audi A4 / S4 Audi A4 / S4 2021 Mazda RX-8 Mazda RX-8 2009

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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: $33,083

Mazda RX-8 Grand Touring   
Difference: $21,207

Calculate Payments

  Down Payment Interest Rate Term
Model Year20212009
ModelA4 / S4RX-8
TrimS4Grand Touring
Body4dr Sedan4dr Coupe
Base Price $49,900 $31,000
S Sport Package 2,500  
Metallic paint (extra cost) 575  
Cargo net 80 40
All-weather floor mats 190 78
Premium Package   900
Temporary spare tire   395
S Sport Package 2,326  
Metallic paint (extra cost) 536  
Cargo net 74 32
All-weather floor mats 177 62
Premium Package   774
Temporary spare tire   320
Options (change) 3,345 1,413
Options (change) 3,113 1,188
Destination 1,045 670
Total Price $54,290 $33,083

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

Lowest Adjusted Price: Mazda RX-8 Grand Touring
Lowest Adjusted Invoice: Audi A4 / S4 S4
TrueDelta Adjusted Price Difference: $11,267
TrueDelta Adjusted Invoice Difference: $27,142
Model Year20212009
ModelA4 / S4RX-8
TrimS4Grand Touring
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$33,083
Adjustments for Features-9,9400
Feature-Adjusted Total Price$44,350$33,083

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

Model Year20212009
ModelA4 / S4RX-8
TrimS4Grand Touring
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 
Dual-zone climate control$125 
Heated windshield washer nozzles$15 
Rear air vents with automatic controls$250 
Drivetrain 
Active rear differential$500 
Limited-slip rear differential $300
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Exterior 
Body kit$0 
Painted brake calipers (optional)$0 
Infotainment 
Android Auto support$100 
Apple CarPlay support$100 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD player, remote$100 
HD radio$50 
SD Card slot$25 
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 
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 
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 
Sport suspension (upgrade)$0 
Transmission 
Launch control$100 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$11,940$2,000
Value of Feature Adjustments$9,940$0
Value of Feature Adjustments-7610

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

Model Year20212009
ModelA4 / S4RX-8
Body4dr Sedan4dr Coupe
Wheelbase111.0 in106.4 in
Length187.5 in175.6 in
Width72.7 in69.7 in
Height56.2 in52.8 in
Curb Weight3,847 lb.3,064 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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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 Grand Touring

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

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