Pontiac G8 Pontiac G8 2009 Mazda RX-8 Mazda RX-8 2008

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Pontiac G8 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.

Pontiac G8 vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $32,120

Mazda RX-8 Manual   
Difference: $2,470

Lowest Total Invoice: $29,705

Mazda RX-8 Manual   
Difference: $2,773

Calculate Payments

  Down Payment Interest Rate Term
Model Year2009200920082008
ModelG8G8RX-8RX-8
TrimGTGXPAutomaticManual
Body4dr Sedan4dr Sedan4dr Coupe4dr Coupe
Base Price $31,755 $37,610 $26,435 $26,435
Base Invoice $30,008 $35,541 $24,458 $24,458
Premium Package 1,250      
Sunroof 900 900    
Grand Touring Package     5,335 4,635
Rear spoiler     360 360
Cargo net     40 40
Premium Package 1,038      
Sunroof 747 747    
Grand Touring Package     4,922 4,277
Rear spoiler     288 288
Cargo net     32 32
Options (change) 2,150 900 5,735 5,035
Options (change) 1,785 747 5,242 4,597
Destination 685 685 650 650
Gas Tax 0 1,700 0 0
Total Price $34,590 $40,895 $32,820 $32,120
Total Invoice $32,478 $38,673 $30,350 $29,705

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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 Pontiac G8 dealer quotes or Mazda RX-8 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Pontiac G8 vs. Mazda RX-8

Lowest Adjusted Price and Invoice: Mazda RX-8 Automatic
TrueDelta Adjusted Price Difference: $1,095
TrueDelta Adjusted Invoice Difference: $1,481
Model Year2009200920082008
ModelG8G8RX-8RX-8
TrimGTGXPAutomaticManual
Body4dr Sedan4dr Sedan4dr Coupe4dr Coupe
Engine361hp V8415hp V8212hp R2232hp R2
TransmissionT6T6T6M6
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)230, 11230, 11300, 9300, 9
Tire (rear if not all the same)245/45-18245/40-19225/45-18225/45-18
Total Price$34,590$40,895$32,820$32,120
Adjustments for Features-1,650-1,725-9750
Feature-Adjusted Total Price$32,940$39,170$31,845$32,120
Cost Above Minimum$0$6,230$0$275
Total Invoice$32,478$38,673$30,350$29,705
Adjustments for Features-1,549-1,631-9020
Feature-Adjusted Total Invoice$30,929$37,042$29,448$29,705
Cost Above Minimum$0$6,113$0$257

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Features Comparison: Pontiac G8 vs. Mazda RX-8

Model Year2009200920082008
ModelG8G8RX-8RX-8
TrimGTGXPAutomaticManual
Body4dr Sedan4dr Sedan4dr Coupe4dr Coupe
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100 
6-speed manual   $150
RWD$0$0$0$0
Accessories 
Power rear side windows$200$200  
Proximity key  $250$250
Remote start$150$150  
Tilt steering wheel, manual  $150$150
Tilt/telescoping steering wheel, manual$250$250  
Universal garage door opener  $100$100
Brakes, Airbags, and Other Safety 
Brake assist$50$50  
Cargo Management 
Overhead sunglass holder  $25$25
Second-row high console  $250$250
Climate Control 
Automatic climate control, front$200$200  
Dual-zone climate control$125$125  
Interior air filter  $0$0
Rear air vents$100$100  
Exterior 
Hood scoop$100$100  
Infotainment 
Aux input$50$50  
Bluetooth cell phone link$100$100  
MP3-compatible player$50$50  
Satellite radio$200$200  
Telematics service, such as OnStar$200$200  
USB port$25$25  
Instruments, Lights, and Mirrors 
Auto-dimming rearview mirror  $150$150
Automatic headlights$125$125  
Compass$0$0  
Heated mirrors  $25$25
Outside temperature display  $50$50
Trip computer$150$150  
Xenon HID headlights  $500$500
Seats and Interior Trim 
Manual lumbar adjuster, driver seat$50$50  
Manual lumbar adjuster, passenger seat$50$50  
Metal pedals $75 $75
Power fore-aft adjuster, passenger seat$100$100  
Power height adjuster, passenger seat$100$100  
Power lumbar adjuster, driver seat  $100$100
Power recliner, driver seat  $100$100
Power tilt adjuster, passenger seat$100$100  
Suspension, Wheels, and Tires 
Alloy wheels  $350$350
Machined alloy wheels$350   
Polished alloy wheels $350  
Sport suspension (upgrade) $0$0$0
Transmission 
Steering-wheel-mounted transmission controls  $100 
Total Value of Features$3,925$4,000$3,250$2,275
Value of Feature Adjustments$1,650$1,725$975$0
Value of Feature Adjustments-1,549-1,631-9020

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Specifications Comparison: Pontiac G8 vs. Mazda RX-8

Model Year20092008
ModelG8RX-8
Body4dr Sedan4dr Coupe
Wheelbase114.8 in106.4 in
Length196.1 in174.3 in
Width74.8 in69.7 in
Height57.7 in52.8 in
Curb Weight3,856 lb.3,046 lb.
Fuel Capacity19.0 gal.15.9 gal.
Row 1 Headroom38.7 in38.2 in
Row 1 Shoulder Room59.1 in54.8 in
Row 1 Hip Room56.7 in53.3 in
Row 1 Legroom42.2 in42.7 in
Row 2 Headroom38.0 in36.8 in
Row 2 Shoulder Room59.1 in54.9 in
Row 2 Hip Room58.0 in48.1 in
Row 2 Legroom39.4 in32.2 in
Cargo Volume17.5 ft37.6 ft3

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Option Package Details
Pontiac G8 GT

Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100No
Center armrest(s), second row50Yes
Total Requested125093%
Total Not Requested1007%

Option Package Details
Mazda RX-8 Automatic

Grand Touring Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated mirrors25No
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100No
Power lumbar adjuster, driver seat100No
Proximity key250No
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500No
Sunroof900Yes
CD changer, in-dash200Yes
Universal garage door opener100No
Auto-dimming rearview mirror150No
Bose, 300W, 9 speakers350No
Sport suspension (upgrade)250Yes
Performance braking system (optional)250No
Limited-slip rear differential300Yes
225/45ZR18 tires400No
Total Requested362562%
Total Not Requested222538%

Option Package Details
Mazda RX-8 Manual

Grand Touring Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated mirrors25No
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100No
Power lumbar adjuster, driver seat100No
Proximity key250No
Traction control100Yes
Stability control400Yes
Fog lights125Yes
Xenon HID headlights500No
Sunroof900Yes
CD changer, in-dash200Yes
Universal garage door opener100No
Auto-dimming rearview mirror150No
Bose, 300W, 9 speakers350No
225/45ZR18 tires400No
Total Requested307561%
Total Not Requested197539%

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