Mazda RX-8 Mazda RX-8 2007 Porsche Boxster Porsche Boxster 2016

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Mazda RX-8 vs. Porsche Boxster 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.

Mazda RX-8 vs. Porsche Boxster Invoice Comparison

Lowest Total Price: $34,065

Mazda RX-8 Manual   
Difference: $29,975

Calculate Payments

  Down Payment Interest Rate Term
Model Year2007200720162016201620162016
ModelRX-8RX-8BoxsterBoxsterBoxsterBoxsterBoxster
TrimAutomaticManualBaseBlack EditionSGTSSpyder
Body4dr Coupe4dr Coupe2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $26,435 $26,435 $52,100 $59,100 $63,900 $74,600 $82,100
Grand Touring Package 5,335 4,635          
Rear spoiler 360 360          
Cargo net 40 40          
Navigation system 2,000 2,000          
Torque vectoring, brake-based     1,320 1,320 1,320 1,320  
Adaptive dampers - electrical     1,790 1,790 1,790    
Premium Package Plus     3,620     1,965  
Power sport seats     2,320        
Audio controls on steering wheel     615 365 615 165  
CD changer, in-dash     570 670 570 570 670
Metallic paint (extra cost)     710 710 710 710 710
Proximity key       790      
Adaptive sport seats plus           3,025  
Bright-finished exhaust tip(s)           650 650
Sport suspension (upgrade)           0  
PCM             2,965
Heated front seats             530
Grand Touring Package 4,922 4,277          
Rear spoiler 288 288          
Cargo net 32 32          
Navigation system 1,721 1,721          
Torque vectoring, brake-based     0 0 0 0  
Adaptive dampers - electrical     0 0 0    
Premium Package Plus     0     0  
Power sport seats     0        
Audio controls on steering wheel     0 0 0 0  
CD changer, in-dash     0 0 0 0 0
Metallic paint (extra cost)     0 0 0 0 0
Proximity key       0      
Adaptive sport seats plus           0  
Bright-finished exhaust tip(s)           0 0
Sport suspension (upgrade)           0  
PCM             0
Heated front seats             0
Options (change) 7,735 7,035 10,945 5,645 5,005 8,405 5,525
Options (change) 6,963 6,318 0 0 0 0 0
Destination 595 595 995 995 995 995 995
Total Price $34,765 $34,065 $64,040 $65,740 $69,900 $84,000 $88,620

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

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

Lowest Adjusted Price: Mazda RX-8 Automatic
Lowest Adjusted Invoice: Porsche Boxster GTS
TrueDelta Adjusted Price Difference: $23,970
TrueDelta Adjusted Invoice Difference: $30,156
Model Year2007200720162016201620162016
ModelRX-8RX-8BoxsterBoxsterBoxsterBoxsterBoxster
TrimAutomaticManualBaseBlack EditionSGTSSpyder
Body4dr Coupe4dr Coupe2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine212hp R2232hp R2265hp H6265hp H6315hp H6330hp H6375hp H6
TransmissionT6M6M6M6M6M6M6
DrivetrainRWDRWDRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 9300, 950, 4185, 7185, 7185, 7185, 7
Tire (rear if not all the same)225/45-18225/45-18235/45-18235/35-20235/40-19235/35-20235/35-20
Total Price$34,765$34,065$64,040$65,740$69,900$84,000$88,620
Adjustments for Features-1,0500-6,355-5,795-3,330-8,605-3,745
Feature-Adjusted Total Price$33,715$34,065$57,685$59,945$66,570$75,395$84,875
Cost Above Minimum$0$350$0$2,260$8,885$17,710$27,190

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Features Comparison: Mazda RX-8 vs. Porsche Boxster

Model Year2007200720162016201620162016
ModelRX-8RX-8BoxsterBoxsterBoxsterBoxsterBoxster
TrimAutomaticManualBaseBlack EditionSGTSSpyder
Body4dr Coupe4dr Coupe2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100      
6-speed manual $150$150$150$150$150$150
RWD$0$0$0$0$0$0$0
Accessories 
Proximity key$250$250$250$250 $250 
Tilt steering wheel, manual$150$150     
Tilt/telescoping steering wheel, manual   $250$250 $250
Tilt/telescoping steering wheel, power  $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$25     
Rear seat pass-through$100$100     
Second-row high console$250$250     
Climate Control 
Automatic climate control, front  $200$200 $200 
Dual-zone climate control  $125$125 $125 
Heated windshield washer nozzles  $15$15$15$15$15
Rain-sensing wipers  $175$175 $175 
Residual heat  $50$50 $50 
Variable intermittent wipers$75$75  $75 $75
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$200     
Retractable rear spoiler  $400$400$400$400$400
Sunroof$900$900     
Infotainment 
Audio controls on steering wheel$125$125$125$125$125$125 
Aux input  $50$50$50$50$50
Bluetooth audio streaming  $25$25$25$25$25
Bluetooth cell phone link  $100$100$100$100$100
Media drive   $15  $15
MP3-compatible player  $50$50$50$50$50
Navigation system$600$600 $600  $600
Off-road navigation system   $0  $0
Traffic information   $25  $25
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75$75 $75 
Auto-dimming passenger-side mirror  $75$75 $75 
Auto-dimming rearview mirror$150$150$150$150 $150 
Automatic headlights  $125$125$125$125$125
Chronometer     $100$100
Fog light, rear  $100$100$100$100$100
Fog lights$125$125     
Headlight washers  $50$50 $50 
Steering-linked headlights  $150$150 $150 
Trip computer  $150$150$150$150$150
Seats and Interior Trim 
Center armrest(s), second row$50$50     
Cooled or ventilated front seats  $300    
Heated front seats$200$200$200$200 $200$200
Leather-wrapped steering wheel$150$150$150$150$150$150 
Manual height adjuster, driver seat   $50$50 $50
Manual height adjuster, passenger seat   $50$50 $50
Memory system, driver seat  $200  $200 
Power 4-way lumbar adjuster, driver seat  $150  $150 
Power 4-way lumbar adjuster, passenger seat  $150  $150 
Power fore-aft adjuster, driver seat$100$100$100  $100 
Power fore-aft adjuster, passenger seat  $100  $100 
Power height adjuster, driver seat$100$100$100  $100 
Power height adjuster, passenger seat  $100  $100 
Power lumbar adjuster, driver seat$100$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 
Power thigh support length adjuster, passenger seat  $100  $100 
Power tilt adjuster, driver seat$100$100$100  $100 
Power tilt adjuster, passenger seat  $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  
Electronic systems calibration selector     $200 
Sport suspension (upgrade)$0$0   $0$0
Transmission 
Launch control     $100 
Steering-wheel-mounted transmission controls$100      
Total Value of Features$4,950$3,900$10,255$9,695$7,230$12,505$7,645
Value of Feature Adjustments$1,050$0$6,355$5,795$3,330$8,605$3,745
Value of Feature Adjustments-9670-99-88-47-102-42

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Specifications Comparison: Mazda RX-8 vs. Porsche Boxster

Model Year20072016
ModelRX-8Boxster
Body4dr Coupe2dr Convertible
Wheelbase106.4 in97.4 in
Length174.3 in172.2 in
Width69.7 in70.9 in
Height52.8 in50.5 in
Curb Weight3,046 lb.2,889 lb.
Fuel Capacity15.9 gal.16.9 gal.
Row 1 Headroom38.2 in38.6 in
Row 1 Shoulder Room54.8 in51.7 in
Row 1 Hip Room53.3 in53.4 in
Row 1 Legroom42.7 in42.6 in
Row 2 Headroom36.8 in0.0 in
Row 2 Shoulder Room54.9 in0.0 in
Row 2 Hip Room48.1 in0.0 in
Row 2 Legroom32.2 in0.0 in
Cargo Volume7.6 ft39.9 ft3

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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 lights125No
Xenon HID headlights500Yes
Sunroof900No
CD changer, in-dash200Yes
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 Requested382565%
Total Not Requested202535%

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 lights125No
Xenon HID headlights500Yes
Sunroof900No
CD changer, in-dash200Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Bose, 300W, 9 speakers350No
225/45ZR18 tires400No
Total Requested327565%
Total Not Requested177535%

Option Package Details
Porsche Boxster

Torque vectoring / active trace control
FeatureValueRequested?
Torque vectoring / active trace control100No
Limited-slip rear differential300Yes
Total Requested30075%
Total Not Requested10025%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250Yes
Interior ambient lighting150No
Automatic climate control, front200No
Heated front seats200Yes
Dual-zone climate control125No
Residual heat50No
Automatic air recirculation100No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100No
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Total Requested110044%
Total Not Requested137556%
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 seat200No
Power height adjuster, passenger seat50No
Power tilt adjuster, passenger seat100No
Total Requested25019%
Total Not Requested105081%

Option Package Details
Porsche Boxster Black Edition

Torque vectoring / active trace control
FeatureValueRequested?
Torque vectoring / active trace control100No
Limited-slip rear differential300Yes
Total Requested30075%
Total Not Requested10025%

Option Package Details
Porsche Boxster S

Torque vectoring / active trace control
FeatureValueRequested?
Torque vectoring / active trace control100No
Limited-slip rear differential300Yes
Total Requested30075%
Total Not Requested10025%

Option Package Details
Porsche Boxster GTS

Torque vectoring / active trace control
FeatureValueRequested?
Torque vectoring / active trace control100No
Limited-slip rear differential300Yes
Total Requested30075%
Total Not Requested10025%
Premium Package Plus
FeatureValueRequested?
Proximity key250Yes
Interior ambient lighting150No
Automatic climate control, front200No
Heated front seats200Yes
Dual-zone climate control125No
Residual heat50No
Automatic air recirculation100No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100No
Auto-dimming driver-side mirror75No
Auto-dimming passenger-side mirror75No
Total Requested60041%
Total Not Requested87559%
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
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 seat200No
Power height adjuster, passenger seat50No
Power tilt adjuster, passenger seat100No
Total Requested25015%
Total Not Requested145085%

Option Package Details
Porsche Boxster Spyder

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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