Porsche Boxster Porsche Boxster 2011 Mazda RX-8 Mazda RX-8 2006

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Porsche Boxster 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.

Porsche Boxster vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $35,560

Mazda RX-8 Base (manual)   
Difference: $23,480

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112011201120062006
ModelBoxsterBoxsterBoxsterRX-8RX-8
TrimBaseSS Black EditionBase (automatic)Base (manual)
Body2dr Convertible2dr Convertible2dr Convertible4dr Coupe4dr Coupe
Base Price $48,100 $58,600 $65,200 $26,435 $26,435
Power Seat Package 1,550 1,550 1,550    
Metallic paint (extra cost) 710 710      
Audio controls on steering wheel 615 615 125    
Navigation system 3,430     2,000 2,000
Unbranded 185W 7 speakers 0        
CD changer, in-dash 650 650 650    
Xenon HID headlights 1,560 1,560      
Limited-slip rear differential 950 950 950    
Heated front seats 525 525 525    
Infotainment Package   3,640      
Shinka Package       6,885 6,165
Rear spoiler       360 360
Cargo net       40 40
Power Seat Package 0 0 0    
Metallic paint (extra cost) 0 0      
Audio controls on steering wheel 0 0 0    
Navigation system 0     1,721 1,721
Unbranded 185W 7 speakers 0        
CD changer, in-dash 0 0 0    
Xenon HID headlights 0 0      
Limited-slip rear differential 0 0 0    
Heated front seats 0 0 0    
Infotainment Package   0      
Shinka Package       5,923 5,304
Rear spoiler       288 288
Cargo net       32 32
Options (change) 9,990 10,200 3,800 9,285 8,565
Options (change) 0 0 0 7,964 7,345
Destination 950 950 950 560 560
Total Price $59,040 $69,750 $69,950 $36,280 $35,560

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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 Porsche Boxster dealer quotes or Mazda RX-8 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche Boxster vs. Mazda RX-8

Lowest Adjusted Price: Mazda RX-8 Base (automatic)
Lowest Adjusted Invoice: Porsche Boxster S Black Edition
TrueDelta Adjusted Price Difference: $19,980
TrueDelta Adjusted Invoice Difference: $31,143
Model Year20112011201120062006
ModelBoxsterBoxsterBoxsterRX-8RX-8
TrimBaseSS Black EditionBase (automatic)Base (manual)
Body2dr Convertible2dr Convertible2dr Convertible4dr Coupe4dr Coupe
Engine255hp H6310hp H6320hp H6212hp R2238hp R2
TransmissionM6M6M6T6M6
DrivetrainRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)185, 7325, 11325, 11300, 9300, 9
Tire (rear if not all the same)205/55-17235/40-18235/35-19225/45-18225/45-18
Total Price$59,040$69,750$69,950$36,280$35,560
Adjustments for Features-3,830-4,080-4,830-1,0500
Feature-Adjusted Total Price$55,210$65,670$65,120$35,230$35,560
Cost Above Minimum$0$10,460$9,910$0$330

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Features Comparison: Porsche Boxster vs. Mazda RX-8

Model Year20112011201120062006
ModelBoxsterBoxsterBoxsterRX-8RX-8
TrimBaseSS Black EditionBase (automatic)Base (manual)
Body2dr Convertible2dr Convertible2dr Convertible4dr Coupe4dr Coupe
Transmission and Drivetrain 
6-speed manual$150$150$150 $150
6-speed manually-shiftable automatic   $1100 
RWD$0$0$0$0$0
Accessories 
Proximity key   $250$250
Tilt steering wheel, manual   $150$150
Tilt/telescoping steering wheel, manual$250$250$250  
Wind blocker, small  $100  
Brakes, Airbags, and Other Safety 
Brake assist$50$50$50  
Roll bar$200$200$200  
Side curtain airbags   $350$350
Cargo Management 
Overhead sunglass holder   $25$25
Rear seat pass-through   $100$100
Second-row high console   $250$250
Climate Control 
Automatic climate control, front  $200  
Heated windshield washer nozzles$15$15$15  
Rain-sensing wipers  $175  
Variable intermittent wipers$75$75 $75$75
Engine / Motor 
Mid-engine configuration$0$0$0  
Exterior 
Power convertible top$4000$4000$4000  
Rear spoiler   $200$200
Retractable rear spoiler$400$400$400  
Sunroof   $900$900
Infotainment 
Aux input$50$50$50  
Bluetooth cell phone link$100$100$100  
Media drive$15$15$15  
MP3-compatible player$50$50$50  
Off-road navigation system$0$0$0  
Surround sound $250$250  
Traffic information$25$25$25  
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75  
Auto-dimming passenger-side mirror  $75  
Auto-dimming rearview mirror  $150$150$150
Cornering lights  $50  
Fog light, rear$100$100$100  
Headlight washers$50$50$50  
Steering-linked headlights$150$150$150  
Trip computer$150$150$150  
Seats and Interior Trim 
Center armrest(s), second row   $50$50
Memory system, driver seat$200$200$200  
Power 4-way lumbar adjuster, driver 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$100
Power recliner, passenger seat$100$100$100  
Power tilt adjuster, passenger seat$100$100$100  
Synthetic suede inserts in leather seating surfaces   $0$0
Suspension, Wheels, and Tires 
Alloy wheels$350$350$350  
Polished alloy wheels   $350$350
Sport suspension (upgrade)   $0$0
Transmission 
Steering-wheel-mounted transmission controls   $100 
Total Value of Features$6,930$7,180$7,930$4,150$3,100
Value of Feature Adjustments$3,830$4,080$4,830$1,050$0
Value of Feature Adjustments-62-56-66-9550

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Specifications Comparison: Porsche Boxster vs. Mazda RX-8

Model Year20112006
ModelBoxsterRX-8
Body2dr Convertible4dr Coupe
Wheelbase95.1 in106.4 in
Length172.1 in174.3 in
Width70.9 in69.7 in
Height50.9 in52.8 in
Curb Weight2,944 lb.3,046 lb.
Fuel Capacity16.9 gal.15.9 gal.
Row 1 Headroom38.4 in38.2 in
Row 1 Shoulder Room51.7 in54.8 in
Row 1 Hip Room53.4 in53.3 in
Row 1 Legroom41.6 in42.7 in
Row 2 Headroom0.0 in36.8 in
Row 2 Shoulder Room0.0 in54.9 in
Row 2 Hip Room0.0 in48.1 in
Row 2 Legroom0.0 in32.2 in
Cargo Volume9.9 ft37.6 ft3

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Option Package Details
Porsche Boxster

Power Seat Package
FeatureValueRequested?
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power fore-aft adjuster, passenger seat100No
Memory system, driver seat200No
Power height adjuster, passenger seat50No
Power tilt adjuster, passenger seat100No
Total Requested25029%
Total Not Requested60071%

Option Package Details
Porsche Boxster S

Power Seat Package
FeatureValueRequested?
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power fore-aft adjuster, passenger seat100No
Memory system, driver seat200No
Power height adjuster, passenger seat50No
Power tilt adjuster, passenger seat100No
Total Requested25029%
Total Not Requested60071%
Infotainment Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-Audio-compatible player0No
Surround sound250No
Traffic information25No
Off-road navigation system0No
Media drive, large15No
Bose, 325W, 11 speakers (with subwoofer)350No
USB port25No
Total Requested80055%
Total Not Requested66545%

Option Package Details
Porsche Boxster S Black Edition

Power Seat Package
FeatureValueRequested?
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power fore-aft adjuster, passenger seat100No
Memory system, driver seat200No
Power height adjuster, passenger seat50No
Power tilt adjuster, passenger seat100No
Total Requested25029%
Total Not Requested60071%

Option Package Details
Mazda RX-8 Base (automatic)

Shinka Package
FeatureValueRequested?
Leather seating surfaces900Yes
CD changer, in-dash200Yes
Satellite radio200Yes
Synthetic suede inserts in leather seating surfaces0No
Polished alloy wheels0No
Paint, special0No
Water-repellent front-door glass15Yes
Comfort suspension (upgrade)0No
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power lumbar adjuster, driver seat100Yes
Proximity key250No
Heated mirrors25Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500Yes
Sunroof900No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300Yes
225/45ZR18 tires400No
Total Requested366560%
Total Not Requested240040%

Option Package Details
Mazda RX-8 Base (manual)

Shinka Package
FeatureValueRequested?
Leather seating surfaces900Yes
CD changer, in-dash200Yes
Satellite radio200Yes
Synthetic suede inserts in leather seating surfaces0No
Polished alloy wheels0No
Paint, special0No
Water-repellent front-door glass15Yes
Comfort suspension (upgrade)0No
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power lumbar adjuster, driver seat100Yes
Proximity key250No
Heated mirrors25Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500Yes
Sunroof900No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
225/45ZR18 tires400No
Total Requested336564%
Total Not Requested190036%

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