Pontiac G8 Pontiac G8 2009 Mazda MX-5 Miata Mazda MX-5 Miata 2018

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Pontiac G8 vs. Mazda MX-5 Miata 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 MX-5 Miata Invoice Comparison

Lowest Total Price: $34,590

Pontiac G8 GT   
Difference: $2,165

Lowest Total Invoice: $32,478

Pontiac G8 GT   
Difference: $1,964

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920092018
ModelG8G8MX-5 Miata
TrimGTGXPRF Club
Body4dr Sedan4dr Sedan2dr Coupe
Base Price $31,755 $37,610 $31,910
Base Invoice $30,008 $35,541 $30,169
Premium Package 1,250    
Sunroof 900 900  
Brembo / BBS Package     3,770
Cargo net     50
Door sill trim plates     150
Premium Package 1,038    
Sunroof 747 747  
Brembo / BBS Package     3,238
Cargo net     40
Door sill trim plates     120
Options (change) 2,150 900 3,970
Options (change) 1,785 747 3,398
Destination 685 685 875
Gas Tax 0 1,700 0
Total Price $34,590 $40,895 $36,755
Total Invoice $32,478 $38,673 $34,442

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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 MX-5 Miata dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Pontiac G8 vs. Mazda MX-5 Miata

Lowest Adjusted Price and Invoice: Pontiac G8 GT
TrueDelta Adjusted Price Difference: $3,095
TrueDelta Adjusted Invoice Difference: $2,837
Model Year200920092018
ModelG8G8MX-5 Miata
TrimGTGXPRF Club
Body4dr Sedan4dr Sedan2dr Coupe
Engine361hp V8415hp V8155hp I4
TransmissionT6T6M6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)230, 11230, 11?, 9
Tire (rear if not all the same)245/45-18245/40-19205/45-17
Total Price$34,590$40,895$36,755
Adjustments for Features-930-1,0050
Feature-Adjusted Total Price$33,660$39,890$36,755
Cost Above Minimum$0$6,230$0
Total Invoice$32,478$38,673$34,442
Adjustments for Features-873-9500
Feature-Adjusted Total Invoice$31,605$37,723$34,442
Cost Above Minimum$0$6,118$0

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Features Comparison: Pontiac G8 vs. Mazda MX-5 Miata

Model Year200920092018
ModelG8G8MX-5 Miata
TrimGTGXPRF Club
Body4dr Sedan4dr Sedan2dr Coupe
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100 
6-speed manual  $150
RWD$0$0$0
Accessories 
Power rear side windows$200$200 
Power retractable rear window  $350
Proximity key  $250
Remote start$150$150 
Tilt steering wheel, manual  $150
Tilt/telescoping steering wheel, manual$250$250 
Wind blocker, small  $100
Brakes, Airbags, and Other Safety 
911 assist  $25
Active or whiplash-reducing head restraints, front seats  $0
Blind spot warning system  $200
Cross-traffic warning, rear  $100
Roll bar  $200
Side curtain airbags$350$350 
Cargo Management 
Rear seat pass-through$100$100 
Climate Control 
Automatic climate control, front$200$200 
Dual-zone climate control$125$125 
Rear air vents$100$100 
Drivetrain 
Limited-slip rear differential$300$300 
Torque-sensing limited-slip rear differential  $300
Exterior 
Body kit  $0
Hood scoop$100$100 
Larger rear spoiler  $200
Power retractable roof section  $2000
Rear spoiler$200$200 
Sunroof$900$900 
Infotainment 
App support  $0
Bluetooth audio streaming  $25
CD changer, in-dash$325$325 
CD player, remote  $100
HD radio  $50
SMS text-to-speech reader  $25
Telematics service, such as OnStar$200$200 
Voice control for audio system  $25
Instruments, Lights, and Mirrors 
Automatic headlights$125$125 
Automatic-off headlights  $25
Fog lights$125$125 
Illuminated visor mirror, driver$50$50 
Illuminated visor mirror, passenger$50$50 
LED headlights, single projector or low beam only  $750
Outside temperature display  $50
Visor mirror, driver  $10
Visor mirror, passenger  $10
Seats and Interior Trim 
Center armrest(s), front row$75$75 
Center armrest(s), second row$50$50 
Manual lumbar adjuster, driver seat$50$50 
Manual lumbar adjuster, passenger seat$50$50 
Manual tilt adjuster, driver seat  $50
Metal pedals $75 
No leather in second row  $-300
Power fore-aft adjuster, driver seat$100$100 
Power fore-aft adjuster, passenger seat$100$100 
Power height adjuster, driver seat$100$100 
Power height adjuster, passenger seat$100$100 
Power tilt adjuster, driver seat$100$100 
Power tilt adjuster, passenger seat$100$100 
Suspension, Wheels, and Tires 
Alloy wheels  $350
Machined alloy wheels$350  
Polished alloy wheels $350 
Sport suspension (upgrade) $0$0
Wheels, dark finish  $0
Total Value of Features$6,125$6,200$5,195
Value of Feature Adjustments$930$1,005$0
Value of Feature Adjustments-873-9500

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Specifications Comparison: Pontiac G8 vs. Mazda MX-5 Miata

Model Year20092018
ModelG8MX-5 Miata
Body4dr Sedan2dr Coupe
Wheelbase114.8 in90.9 in
Length196.1 in154.1 in
Width74.8 in68.3 in
Height57.7 in49.0 in
Curb Weight3,856 lb.2,446 lb.
Fuel Capacity19.0 gal.11.9 gal.
Row 1 Headroom38.7 in36.8 in
Row 1 Shoulder Room59.1 in52.2 in
Row 1 Hip Room56.7 in52.0 in
Row 1 Legroom42.2 in43.1 in
Row 2 Headroom38.0 in0.0 in
Row 2 Shoulder Room59.1 in0.0 in
Row 2 Hip Room58.0 in0.0 in
Row 2 Legroom39.4 in0.0 in
Cargo Volume17.5 ft34.5 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 seat100No
Power fore-aft adjuster, passenger seat100No
Center armrest(s), second row50No
Total Requested110081%
Total Not Requested25019%

Option Package Details
Mazda MX-5 Miata RF Club

Brembo / BBS Package
FeatureValueRequested?
Performance braking system (optional)250No
Leather seating surfaces900Yes
Alloy wheels, optional design0No
Larger rear spoiler0No
No leather in second row-300No
Body kit0No
Sport rear fascia, e.g. diffuser (optional)0No
Total Requested900106%
Total Not Requested-50-6%

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