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

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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: $32,145

Pontiac G8 GT   
Difference: $860

Lowest Total Invoice: $30,314

Pontiac G8 GT   
Difference: $163

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082009
ModelG8RX-8
TrimGTGrand Touring
Body4dr Sedan4dr Coupe
Base Price $29,310 $31,000
Base Invoice $27,844 $28,681
Premium Package 1,250 900
Sunroof 900  
Cargo net   40
Temporary spare tire   395
Premium Package 1,038 774
Sunroof 747  
Cargo net   32
Temporary spare tire   320
Options (change) 2,150 1,335
Options (change) 1,785 1,126
Destination 685 670
Total Price $32,145 $33,005
Total Invoice $30,314 $30,477

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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: Pontiac G8 GT
TrueDelta Adjusted Price Difference: $910
TrueDelta Adjusted Invoice Difference: $210
Model Year20082009
ModelG8RX-8
TrimGTGrand Touring
Body4dr Sedan4dr Coupe
Engine361hp V8232hp R2
TransmissionT6M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)15/24 MPG16/22 MPG
Audio (watts, speakers)230, 11300, 9
Tire (rear if not all the same)245/45-18225/45-18
Total Price$32,145$33,005
Adjustments for Features-500
Feature-Adjusted Total Price$32,095$33,005
Total Invoice$30,314$30,477
Adjustments for Features-470
Feature-Adjusted Total Invoice$30,267$30,477

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Features Comparison: Pontiac G8 vs. Mazda RX-8

Model Year20082009
ModelG8RX-8
TrimGTGrand Touring
Body4dr Sedan4dr Coupe
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
6-speed manual $150
RWD$0$0
Accessories 
Power rear side windows$200 
Proximity key $250
Remote start$150 
Tilt steering wheel, manual $150
Tilt/telescoping steering wheel, manual$250 
Universal garage door opener $100
Brakes, Airbags, and Other Safety 
Brake assist$50 
Cargo Management 
Overhead sunglass holder $25
Second-row high console $250
Climate Control 
Dual-zone climate control$125 
Interior air filter $0
Rain-sensing wipers $175
Rear air vents$100 
Variable intermittent wipers$75 
Exterior 
Hood scoop$100 
Infotainment 
Bluetooth cell phone link $100
Satellite radio $200
Surround sound $250
Telematics service, such as OnStar$200 
Instruments, Lights, and Mirrors 
Auto-dimming rearview mirror $150
Compass$0 
Heated mirrors $25
Outside temperature display $50
Trip computer$150 
Xenon HID headlights $500
Seats and Interior Trim 
Manual lumbar adjuster, driver seat$50 
Manual lumbar adjuster, passenger seat$50 
Memory system, driver seat $200
Metal pedals $75
Power fore-aft adjuster, passenger seat$100 
Power height adjuster, passenger seat$100 
Power lumbar adjuster, driver seat $100
Power recliner, driver seat $100
Power tilt adjuster, passenger seat$100 
Suspension, Wheels, and Tires 
Alloy wheels $350
Machined alloy wheels$350 
Total Value of Features$3,250$3,200
Value of Feature Adjustments$50$0
Value of Feature Adjustments-470

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Specifications Comparison: Pontiac G8 vs. Mazda RX-8

Model Year20082009
ModelG8RX-8
Body4dr Sedan4dr Coupe
Wheelbase114.8 in106.4 in
Length196.1 in175.6 in
Width74.8 in69.7 in
Height57.7 in52.8 in
Curb Weight3,995 lb.3,064 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 Grand Touring

Premium Package
FeatureValueRequested?
Sunroof900Yes
Satellite radio200No
Total Requested90082%
Total Not Requested20018%

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