Pontiac G8 Pontiac G8 2008 Mazda MX-5 Miata Mazda MX-5 Miata 2016

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $28,970

Pontiac G8   
Difference: $2,480

Lowest Total Invoice: $27,390

Pontiac G8   
Difference: $2,312

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820082016
ModelG8G8MX-5 Miata
TrimBaseGTGrand Touring
Body4dr Sedan4dr Sedan2dr Convertible
Base Price $26,910 $29,310 $30,065
Base Invoice $25,564 $27,844 $28,427
Premium Package 1,375 1,250  
Cargo net     50
Door sill trim plates     150
Rear spoiler     350
Premium Package 1,141 1,038  
Cargo net     40
Door sill trim plates     120
Rear spoiler     280
Options (change) 1,375 1,250 550
Options (change) 1,141 1,038 440
Destination 685 685 835
Total Price $28,970 $31,245 $31,450
Total Invoice $27,390 $29,567 $29,702

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Pontiac G8 dealer quotes or Mazda MX-5 Miata dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Mazda MX-5 Miata Grand Touring
TrueDelta Adjusted Price Difference: $740
TrueDelta Adjusted Invoice Difference: $729
Model Year200820082016
ModelG8G8MX-5 Miata
TrimBaseGTGrand Touring
Body4dr Sedan4dr Sedan2dr Convertible
Engine256hp V6361hp V8155hp I4
TransmissionT5T6M6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 7230, 11?, 9
Tire (rear if not all the same)245/45-18245/45-18205/45-17
Total Price$28,970$31,245$31,450
Adjustments for Features0-975-3,220
Feature-Adjusted Total Price$28,970$30,270$28,230
Cost Above Minimum$0$1,300$0
Total Invoice$27,390$29,567$29,702
Adjustments for Features0-923-3,041
Feature-Adjusted Total Invoice$27,390$28,644$26,661
Cost Above Minimum$0$1,254$0

Return to top

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

Model Year200820082016
ModelG8G8MX-5 Miata
TrimBaseGTGrand Touring
Body4dr Sedan4dr Sedan2dr Convertible
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000  
6-speed manually-shiftable automatic $1100 
6-speed manual  $150
RWD$0$0$0
Accessories 
Power rear side windows$200$200 
Remote start$150$150 
Tilt steering wheel, manual  $150
Tilt/telescoping steering wheel, manual$250$250 
Universal garage door opener  $100
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
Lane departure warning  $200
Roll bar  $200
Side curtain airbags$350$350 
Temporary spare tire$150$150 
Cargo Management 
Rear seat pass-through$100$100 
Climate Control 
Automatic climate control, front $200$200
Dual-zone climate control $125 
Rain-sensing wipers  $175
Rear air vents$100$100 
Variable intermittent wipers$75$75 
Drivetrain 
Limited-slip rear differential $300 
Exterior 
Convertible top  $3000
Hood scoop$100$100 
Infotainment 
App support  $0
Bluetooth audio streaming  $25
Bluetooth cell phone link  $100
CD changer, in-dash $325 
CD player$125  
CD player, remote  $100
HD radio  $50
MP3-compatible player $50$50
Navigation system  $600
Satellite radio  $200
SMS text-to-speech reader  $25
Telematics service, such as OnStar$200$200 
Traffic information  $25
USB port  $25
Voice control for nav and audio  $100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75
Auto-dimming headlights  $200
Auto-dimming rearview mirror  $150
Compass$0$0 
Fog lights$125$125 
Heated mirrors  $25
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
Steering-linked headlights  $150
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
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 $350
Machined alloy wheels $350 
Total Value of Features$4,200$5,175$7,420
Value of Feature Adjustments$0$975$3,220
Value of Feature Adjustments0-923-3,041

Return to top

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

Model Year20082016
ModelG8MX-5 Miata
Body4dr Sedan2dr Convertible
Wheelbase114.8 in90.9 in
Length196.1 in154.1 in
Width74.8 in68.3 in
Height57.7 in48.6 in
Curb Weight3,856 lb.2,333 lb.
Fuel Capacity19.0 gal.11.9 gal.
Row 1 Headroom38.7 in37.4 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 ft34.6 ft3

Return to top

Option Package Details
Pontiac G8

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
Leather-wrapped steering wheel150Yes
Total Requested125083%
Total Not Requested25017%

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%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Pontiac models.