Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2018 Mazda RX-8 Mazda RX-8 2007

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Audi A5 / S5 / RS5 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 A5 / S5 / RS5 vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $33,145

Mazda RX-8 Manual   
Difference: $13,140

Lowest Total Invoice: $30,506

Mazda RX-8 Manual   
Difference: $12,610

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182018201820072007
ModelA5 / S5 / RS5A5 / S5 / RS5A5 / S5 / RS5RX-8RX-8
TrimA5 2.0TS5 3.0TRS 5AutomaticManual
Body2dr Coupe2dr Coupe2dr Coupe4dr Coupe4dr Coupe
Base Price $42,800 $54,600 $69,900 $26,435 $26,435
Base Invoice $39,804 $50,778 $65,008 $24,458 $24,458
Metallic paint (extra cost) 575 575 575    
Cargo net 80 80   40 40
Cargo mat 170 170   50 50
All-weather floor mats 190 190 190 60 60
Heated front seats 500        
Carbon fiber rear spoiler 995        
S Sport Package   2,500      
Grand Touring Package       5,335 4,635
Rear spoiler       360 360
Body kit       970 970
Metallic paint (extra cost) 536 536 536    
Cargo net 74 74   32 32
Cargo mat 158 158   36 36
All-weather floor mats 177 177 177 45 45
Heated front seats 466        
Carbon fiber rear spoiler 926        
S Sport Package   2,326      
Grand Touring Package       4,922 4,277
Rear spoiler       288 288
Body kit       775 775
Options (change) 2,510 3,515 765 6,815 6,115
Options (change) 2,337 3,271 713 6,098 5,453
Destination 975 975 975 595 595
Total Price $46,285 $59,090 $71,640 $33,845 $33,145
Total Invoice $43,116 $55,024 $66,696 $31,151 $30,506

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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TrueDelta Value Comparison: Audi A5 / S5 / RS5 vs. Mazda RX-8

Lowest Adjusted Price and Invoice: Mazda RX-8 Automatic
TrueDelta Adjusted Price Difference: $7,175
TrueDelta Adjusted Invoice Difference: $7,048
Model Year20182018201820072007
ModelA5 / S5 / RS5A5 / S5 / RS5A5 / S5 / RS5RX-8RX-8
TrimA5 2.0TS5 3.0TRS 5AutomaticManual
Body2dr Coupe2dr Coupe2dr Coupe4dr Coupe4dr Coupe
Engine252hp I4354hp V6444hp V6212hp R2232hp R2
TransmissionS7T8T8T6M6
DrivetrainAWDAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 10180, 10180, 10300, 9300, 9
Tire (rear if not all the same)245/40-18245/40-18265/35-19225/45-18225/45-18
Total Price$46,285$59,090$71,640$33,845$33,145
Adjustments for Features-6,315-10,965-11,035-1,0500
Feature-Adjusted Total Price$39,970$48,125$60,605$32,795$33,145
Cost Above Minimum$0$8,155$20,635$0$350
Total Invoice$43,116$55,024$66,696$31,151$30,506
Adjustments for Features-5,883-10,210-10,273-9660
Feature-Adjusted Total Invoice$37,233$44,814$56,423$30,185$30,506
Cost Above Minimum$0$7,581$19,190$0$321

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Features Comparison: Audi A5 / S5 / RS5 vs. Mazda RX-8

Model Year20182018201820072007
ModelA5 / S5 / RS5A5 / S5 / RS5A5 / S5 / RS5RX-8RX-8
TrimA5 2.0TS5 3.0TRS 5AutomaticManual
Body2dr Coupe2dr Coupe2dr Coupe4dr Coupe4dr Coupe
Transmission and Drivetrain 
7-speed automated manual$1200    
8-speed manually-shiftable automatic $1300$1300  
6-speed manually-shiftable automatic   $1100 
6-speed manual    $150
AWD$1700$1700$1700  
RWD   $0$0
Accessories 
Proximity key $250$250$250$250
Tilt steering wheel, manual   $150$150
Tilt/telescoping steering wheel, manual$250$250$250  
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial$200$200$200  
Automatic braking, low-speed$200$200$200  
Blind spot warning system $200$200  
Brake assist$50$50$50  
Collision preparation system, rear $100$100  
Cross-traffic warning, rear $100$100  
Driver drowsiness monitor$150$150$150  
Forward collision warning$200$200$200  
Knee airbag, driver$75$75$75  
Knee airbag, passenger$75$75$75  
Obstacle detection, front $150$150  
Obstacle detection, rear $250$250  
Pedestrian detection$50$50$50  
Radar- or camera-based collision preparation system$0$0$0  
Rearview camera$200$200$200  
Rollover sensor$50$50$50  
Secondary collision brake assist$25$25$25  
Torque vectoring, brake-based$100$100$100  
Vehicle exit assist $25$25  
Cargo Management 
Air-conditioned storage compartment$50$50$50  
Cargo mat$40$40 $40$40
Cargo net$40$40 $40$40
Overhead sunglass holder   $25$25
Second-row high console   $250$250
Second-row low console$100$100$100  
Climate Control 
Automatic climate control, front$200$200$200  
Dual-zone climate control$125$125$125  
Heated windshield washer nozzles$15$15$15  
Rain-sensing wipers$175$175$175  
Rear air vents with automatic controls$250$250$250  
Variable intermittent wipers   $75$75
Drivetrain 
Active rear differential $500$500  
Limited-slip rear differential   $300$300
Engine / Motor 
Automatic start / stop$150$150$150  
Dual-mode exhaust, switchable  $500  
Regenerative braking$0$0$0  
Exterior 
Body kit  $0$0$0
Body kit (gray/black) $0   
Carbon fiber rear spoiler$300    
Painted brake calipers (optional) $0   
Rear spoiler $200$200$200$200
Infotainment 
Android Auto support$100$100$100  
Apple CarPlay support$100$100$100  
Aux input$50$50$50  
Bluetooth audio streaming$25$25$25  
Bluetooth cell phone link$100$100$100  
CD changer, in-dash   $325$325
CD player, remote$100$100$100  
HD radio$50$50$50  
MP3-compatible player$50$50$50  
Satellite radio $200$200  
Telematics service, such as OnStar $200$200  
Voice control for audio system$25$25$25  
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75$75  
Auto-dimming passenger-side mirror $75$75  
Automatic headlights$125$125$125  
Boost gauge $75$75  
Compass$0$0$0  
Fog light, rear$100$100$100  
Headlight washers  $50  
LED headlights $1000$1000  
Power-folding mirrors $50$50  
Trip computer$150$150$150  
Turn signals on or near mirrors$25$25$25  
Xenon HID headlights$500  $500$500
Seats and Interior Trim 
Aluminum trim$100$100   
Carbon fiber trim  $200  
Folding second row seats$300$300$300  
Illuminated door sill trim plates $200$200  
Manual thigh support length adjuster, driver seat $50$50  
Manual thigh support length adjuster, passenger seat $50$50  
Massage, driver seat $100$100  
Massage, passenger seat $100$100  
Memory system, driver seat $200$200  
Power 4-way lumbar adjuster, driver seat$150$150$150  
Power 4-way lumbar adjuster, passenger seat $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$100
Power recliner, passenger seat$100$100$100  
Power seatback bolsters, driver seat $100$100  
Power seatback bolsters, passenger seat $100$100  
Power tilt adjuster, passenger seat$100$100$100  
Synthetic suede door panel trim $250$250  
Synthetic suede inserts in leather seating surfaces $0$0  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500   
Electronic systems calibration selector$200$200$200  
Sport suspension (upgrade) $0 $0$0
Ultra-sport suspension (upgrade)  $0  
Transmission 
Launch control $100$100  
Steering-wheel-mounted transmission controls$100$100$100$100 
Total Value of Features$8,720$13,370$13,440$3,455$2,405
Value of Feature Adjustments$6,315$10,965$11,035$1,050$0
Value of Feature Adjustments-5,883-10,210-10,273-9660

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Specifications Comparison: Audi A5 / S5 / RS5 vs. Mazda RX-8

Model Year20182007
ModelA5 / S5 / RS5RX-8
Body2dr Coupe4dr Coupe
Wheelbase108.8 in106.4 in
Length184.0 in174.3 in
Width72.7 in69.7 in
Height54.0 in52.8 in
Curb Weight3,606 lb.3,046 lb.
Fuel Capacity15.3 gal.15.9 gal.
Row 1 Headroom39.0 in38.2 in
Row 1 Shoulder Room55.3 in54.8 in
Row 1 Hip Room0.0 in53.3 in
Row 1 Legroom41.3 in42.7 in
Row 2 Headroom36.1 in36.8 in
Row 2 Shoulder Room50.7 in54.9 in
Row 2 Hip Room0.0 in48.1 in
Row 2 Legroom32.7 in32.2 in
Cargo Volume11.6 ft37.6 ft3

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Option Package Details
Audi A5 / S5 / RS5 S5 3.0T

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 Automatic

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
Sport suspension (upgrade)250Yes
Performance braking system (optional)250No
Limited-slip rear differential300Yes
225/45ZR18 tires400No
Total Requested465079%
Total Not Requested120021%

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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