Porsche Boxster Porsche Boxster 2016 Mazda RX-8 Mazda RX-8 2010

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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: $34,750

Mazda RX-8 Grand Touring   
Difference: $29,960

Calculate Payments

  Down Payment Interest Rate Term
Model Year201620162016201620162010
ModelBoxsterBoxsterBoxsterBoxsterBoxsterRX-8
TrimBaseBlack EditionSGTSSpyderGrand Touring
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible4dr Coupe
Base Price $52,100 $59,100 $63,900 $74,600 $82,100 $31,960
Power sport seats 2,320 2,320 2,320      
Premium Package Plus 3,620   2,950 1,965    
Torque vectoring, brake-based 1,320 1,320 1,320 1,320    
Adaptive dampers - electrical 1,790 1,790 1,790      
CD changer, in-dash 570 670 570 670 670  
Satellite radio 670 670 670      
Audio controls on steering wheel 615 365 615 165    
Metallic paint (extra cost) 710 710 710 710 710  
Proximity key   790        
Adaptive sport seats plus       3,025    
Infotainment Package       3,990    
Bright-finished exhaust tip(s)       650 650  
Auto-dimming mirrors         690  
PCM         2,965  
Automatic climate control, front         760  
Heated front seats         530  
Cargo net           40
Navigation system           2,000
Power sport seats 0 0 0      
Premium Package Plus 0   0 0    
Torque vectoring, brake-based 0 0 0 0    
Adaptive dampers - electrical 0 0 0      
CD changer, in-dash 0 0 0 0 0  
Satellite radio 0 0 0      
Audio controls on steering wheel 0 0 0 0    
Metallic paint (extra cost) 0 0 0 0 0  
Proximity key   0        
Adaptive sport seats plus       0    
Infotainment Package       0    
Bright-finished exhaust tip(s)       0 0  
Auto-dimming mirrors         0  
PCM         0  
Automatic climate control, front         0  
Heated front seats         0  
Cargo net           32
Navigation system           1,720
Options (change) 11,615 8,635 10,945 12,495 6,975 2,040
Options (change) 0 0 0 0 0 1,752
Destination 995 995 995 995 995 750
Total Price $64,710 $68,730 $75,840 $88,090 $90,070 $34,750

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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 Grand Touring
Lowest Adjusted Invoice: Porsche Boxster GTS
TrueDelta Adjusted Price Difference: $24,730
TrueDelta Adjusted Invoice Difference: $31,176
Model Year201620162016201620162010
ModelBoxsterBoxsterBoxsterBoxsterBoxsterRX-8
TrimBaseBlack EditionSGTSSpyderGrand Touring
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible4dr Coupe
Engine265hp H6265hp H6315hp H6330hp H6375hp H6232hp R2
TransmissionM6M6M6M6M6M6
DrivetrainRWDRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)50, 4185, 7185, 7445, 10185, 7300, 9
Tire (rear if not all the same)235/45-18235/35-20235/40-19235/35-20235/35-20225/45-18
Total Price$64,710$68,730$75,840$88,090$90,070$34,750
Adjustments for Features-5,230-5,845-5,480-9,095-3,0700
Feature-Adjusted Total Price$59,480$62,885$70,360$78,995$87,000$34,750
Cost Above Minimum$0$3,405$10,880$19,515$27,520$0

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Features Comparison: Porsche Boxster vs. Mazda RX-8

Model Year201620162016201620162010
ModelBoxsterBoxsterBoxsterBoxsterBoxsterRX-8
TrimBaseBlack EditionSGTSSpyderGrand Touring
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible4dr Coupe
Transmission and Drivetrain 
6-speed manual$150$150$150$150$150$150
RWD$0$0$0$0$0$0
Accessories 
Proximity key$250$250$250$250 $250
Tilt steering wheel, manual     $150
Tilt/telescoping steering wheel, manual    $250 
Tilt/telescoping steering wheel, power$350$350$350$350  
Wind blocker, small$100$100$100$100$100 
Brakes, Airbags, and Other Safety 
Brake assist$50$50$50$50$50 
Knee airbag, driver$75$75$75$75$75 
Knee airbag, passenger$75$75$75$75$75 
Obstacle detection, front $150    
Obstacle detection, rear $250    
Roll bar$200$200$200$200$200 
Torque vectoring, brake-based$100$100$100$100$100 
Cargo Management 
Overhead sunglass holder     $25
Rear seat pass-through     $100
Second-row high console     $250
Climate Control 
Automatic air recirculation$100$100$100$100$100 
Dual-zone climate control$125$125$125$125$125 
Heated windshield washer nozzles$15$15$15$15$15 
Residual heat$50$50$50$50$50 
Water-repellent front-door glass$15$15$15$15$15 
Drivetrain 
Electronically-variable engine mounts (performance-oriented)   $500$500 
Engine / Motor 
Automatic start / stop$150$150$150$150  
Dual-mode exhaust, switchable   $500$500 
Mid-engine configuration$0$0$0$0$0 
Regenerative braking$0$0$0$0$0 
Exterior 
Black exterior trim (optional)   $0$0 
Convertible top    $3000 
Painted brake calipers (optional)  $0$0$0 
Power convertible top$4000$4000$4000$4000  
Rear spoiler     $200
Retractable rear spoiler$400$400$400$400$400 
Sunroof     $900
Infotainment 
App support   $0  
Audio controls on steering wheel$125$125$125$125 $125
Bluetooth audio streaming$25$25$25$25$25 
DVD-Audio-compatible player $0 $0$0 
HD radio   $50  
Media drive $15 $15$15 
Navigation system $600 $600$600$600
Off-road navigation system $0 $0$0 
Satellite radio$200$200$200$200 $200
Surround sound   $250 $250
Traffic information $25 $25$25 
USB port $25 $25$25 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75$75$75$75 
Auto-dimming passenger-side mirror$75$75$75$75$75 
Chronometer   $100$100 
Fog light, rear$100$100$100$100$100 
Fog lights     $125
Headlight washers$50$50$50$50  
Interior ambient lighting$150 $150$150  
Performance meter   $150  
Steering-linked headlights$150$150$150$150  
Trip computer$150$150$150$150$150 
Seats and Interior Trim 
Center armrest(s), second row     $50
Cooled or ventilated front seats$300 $300   
Leather door panel trim  $250   
Leather-wrapped steering wheel$150$150$150$150 $150
Manual height adjuster, driver seat    $50 
Manual height adjuster, passenger seat    $50 
Memory system, driver seat$200$200$200$200 $200
No leather in second row$-300$-300$-300$-300$-300 
Power 4-way lumbar adjuster, driver seat$150$150$150$150  
Power 4-way lumbar adjuster, passenger seat$150$150$150$150  
Power fore-aft adjuster, driver seat$100$100$100$100 $100
Power fore-aft adjuster, passenger seat$100$100$100$100  
Power height adjuster, driver seat$100$100$100$100 $100
Power height adjuster, passenger seat$100$100$100$100  
Power lumbar adjuster, driver seat     $100
Power recliner, passenger seat$100$100$100$100$100 
Power seatback bolsters, driver seat   $100  
Power seatback bolsters, passenger seat   $100  
Power thigh bolsters, driver seat   $100  
Power thigh bolsters, passenger seat   $100  
Power thigh support length adjuster, driver seat$100$100$100$100  
Power thigh support length adjuster, passenger seat$100$100$100$100  
Power tilt adjuster, driver seat$100$100$100$100 $100
Power tilt adjuster, passenger seat$100$100$100$100  
Synthetic suede door panel trim   $250$250 
Synthetic suede inserts in leather seating surfaces   $0$0 
Synthetic suede steering wheel    $150 
Upholstered instrument panel, leather   $1000  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500$500$500  
Electronic systems calibration selector   $200  
Sport suspension (upgrade)    $0 
Transmission 
Launch control   $100  
Total Value of Features$9,355$9,970$9,605$13,220$7,195$4,125
Value of Feature Adjustments$5,230$5,845$5,480$9,095$3,070$0
Value of Feature Adjustments-80-85-72-103-340

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Specifications Comparison: Porsche Boxster vs. Mazda RX-8

Model Year20162010
ModelBoxsterRX-8
Body2dr Convertible4dr Coupe
Wheelbase97.4 in106.4 in
Length172.2 in175.6 in
Width70.9 in69.7 in
Height50.5 in52.8 in
Curb Weight2,889 lb.3,065 lb.
Fuel Capacity16.9 gal.15.9 gal.
Row 1 Headroom38.6 in38.2 in
Row 1 Shoulder Room51.7 in54.8 in
Row 1 Hip Room53.4 in53.3 in
Row 1 Legroom42.6 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 sport seats
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100No
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50No
Power tilt adjuster, passenger seat100No
Total Requested45035%
Total Not Requested85065%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250Yes
Interior ambient lighting150No
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125No
Residual heat50No
Automatic air recirculation100No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Total Requested140057%
Total Not Requested107543%

Option Package Details
Porsche Boxster Black Edition

Power sport seats
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100No
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50No
Power tilt adjuster, passenger seat100No
Total Requested45035%
Total Not Requested85065%

Option Package Details
Porsche Boxster S

Power sport seats
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100No
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50No
Power tilt adjuster, passenger seat100No
Total Requested45035%
Total Not Requested85065%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250Yes
Interior ambient lighting150No
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125No
Residual heat50No
Automatic air recirculation100No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Headlight washers50No
Total Requested90046%
Total Not Requested107554%

Option Package Details
Porsche Boxster GTS

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power fore-aft adjuster, passenger seat100No
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50No
Power tilt adjuster, passenger seat100No
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support adjuster, driver seat100No
Total Requested45026%
Total Not Requested125074%
Premium Package Plus
FeatureValueRequested?
Proximity key250Yes
Interior ambient lighting150No
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125No
Residual heat50No
Automatic air recirculation100No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Total Requested90061%
Total Not Requested57539%
Infotainment Package
FeatureValueRequested?
Surround sound250Yes
Performance meter150No
App support0No
Bose, 445W, 10 speakers (with subwoofer)350No
Satellite radio200Yes
DVD-Audio-compatible player0No
HD radio50No
USB port25No
Navigation system600Yes
Traffic information25No
Off-road navigation system0No
Media drive15No
Total Requested105063%
Total Not Requested61537%

Option Package Details
Porsche Boxster Spyder

Auto-dimming mirrors
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Total Requested25063%
Total Not Requested15037%
PCM
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Traffic information25No
Off-road navigation system0No
Media drive15No
USB port25No
Total Requested60090%
Total Not Requested6510%

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