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.
Lowest Total Price: $28,680 Pontiac Grand Prix | ||||||
Difference: $30,630 | ||||||
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Model Year | 2016 | 2016 | 2016 | 2016 | 2016 | 2008 |
Model | Boxster | Boxster | Boxster | Boxster | Boxster | Grand Prix |
Trim | Base | Black Edition | S | GTS | Spyder | Base |
Body | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible | 4dr Sedan |
Base Price | $52,100 | $59,100 | $63,900 | $74,600 | $82,100 | $22,210 |
Infotainment Package | 3,990 | 3,990 | ||||
Convenience Package | 900 | 900 | 900 | |||
Metallic paint (extra cost) | 710 | 710 | 710 | 710 | 710 | |
Audio controls on steering wheel | 615 | 365 | 615 | 165 | ||
Satellite radio | 670 | 670 | 200 | |||
Bose 505W 10 speakers | 0 | |||||
PCM | 2,965 | |||||
Automatic climate control, front | 760 | |||||
Heated front seats | 530 | |||||
Security Package | 995 | |||||
Premium Package | 940 | |||||
Folding passenger seat | 75 | |||||
Preferred Package | 890 | |||||
Navigation system | 2,540 | |||||
Floor mats | 80 | |||||
Infotainment Package | 0 | 0 | ||||
Convenience Package | 0 | 0 | 0 | |||
Metallic paint (extra cost) | 0 | 0 | 0 | 0 | 0 | |
Audio controls on steering wheel | 0 | 0 | 0 | 0 | ||
Satellite radio | 0 | 0 | 166 | |||
Bose 505W 10 speakers | 0 | |||||
PCM | 0 | |||||
Automatic climate control, front | 0 | |||||
Heated front seats | 0 | |||||
Security Package | 826 | |||||
Premium Package | 780 | |||||
Folding passenger seat | 62 | |||||
Preferred Package | 739 | |||||
Navigation system | 2,108 | |||||
Floor mats | 66 | |||||
Options (change) | 6,215 | 1,745 | 6,215 | 2,445 | 4,965 | 5,720 |
Options (change) | 0 | 0 | 0 | 0 | 0 | 4,747 |
Destination | 995 | 995 | 995 | 995 | 995 | 750 |
Total Price | $59,310 | $61,840 | $71,110 | $78,040 | $88,060 | $28,680 |
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Lowest Adjusted Price: Pontiac Grand Prix | ||||||
Lowest Adjusted Invoice: Porsche Boxster GTS | ||||||
TrueDelta Adjusted Price Difference: $26,285 | ||||||
TrueDelta Adjusted Invoice Difference: $25,585 | ||||||
Model Year | 2016 | 2016 | 2016 | 2016 | 2016 | 2008 |
Model | Boxster | Boxster | Boxster | Boxster | Boxster | Grand Prix |
Trim | Base | Black Edition | S | GTS | Spyder | Base |
Body | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible | 4dr Sedan |
Engine | 265hp H6 | 265hp H6 | 315hp H6 | 330hp H6 | 375hp H6 | 200hp V6 |
Transmission | M6 | M6 | M6 | M6 | M6 | A4 |
Drivetrain | RWD | RWD | RWD | RWD | RWD | FWD |
EPA Fuel Economy (city/highway) | / MPG | / MPG | / MPG | / MPG | / MPG | / MPG |
Audio (watts, speakers) | 185, 7 | 185, 7 | 445, 10 | 185, 7 | 185, 7 | 245, 9 |
Tire (rear if not all the same) | 235/45-18 | 235/35-20 | 235/40-19 | 235/35-20 | 235/35-20 | 225/60-16 |
Total Price | $59,310 | $61,840 | $71,110 | $78,040 | $88,060 | $28,680 |
Adjustments for Features | -4,345 | -5,795 | -5,345 | -7,455 | -5,045 | 0 |
Feature-Adjusted Total Price | $54,965 | $56,045 | $65,765 | $70,585 | $83,015 | $28,680 |
Cost Above Minimum | $0 | $1,080 | $10,800 | $15,620 | $28,050 | $0 |
Model Year | 2016 | 2016 | 2016 | 2016 | 2016 | 2008 |
Model | Boxster | Boxster | Boxster | Boxster | Boxster | Grand Prix |
Trim | Base | Black Edition | S | GTS | Spyder | Base |
Body | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible | 4dr Sedan |
Transmission and Drivetrain | ||||||
6-speed manual | $150 | $150 | $150 | $150 | $150 | |
4-speed automatic | $800 | |||||
RWD | $0 | $0 | $0 | $0 | $0 | |
FWD | $0 | |||||
Accessories | ||||||
Power rear side windows | $200 | |||||
Remote keyless entry | $225 | $225 | $225 | $225 | $225 | |
Remote keyless entry, extended range | $225 | |||||
Remote start | $150 | |||||
Tilt steering wheel, manual | $150 | |||||
Tilt/telescoping steering wheel, manual | $250 | $250 | $250 | $250 | $250 | |
Universal garage door opener | $100 | $100 | $100 | $100 | $100 | |
Wind blocker, small | $100 | $100 | $100 | $100 | $100 | |
Brakes, Airbags, and Other Safety | ||||||
Brake assist | $50 | $50 | $50 | $50 | $50 | |
Front side airbags | $350 | $350 | $350 | $350 | $350 | |
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 | |
Stability control | $400 | $400 | $400 | $400 | $400 | |
Temporary spare tire | $150 | |||||
Torque vectoring, brake-based | $100 | |||||
Cargo Management | ||||||
Overhead sunglass holder | $25 | |||||
Climate Control | ||||||
Automatic air recirculation | $100 | $100 | $100 | $100 | $100 | |
Heated windshield washer nozzles | $15 | $15 | $15 | $15 | $15 | |
Rain-sensing wipers | $175 | |||||
Residual heat | $50 | $50 | $50 | $50 | $50 | |
Variable intermittent wipers | $75 | $75 | $75 | $75 | $75 | |
Water-repellent front-door glass | $15 | $15 | $15 | $15 | $15 | |
Drivetrain | ||||||
Electronically-variable engine mounts (performance-oriented) | $500 | $500 | ||||
Limited-slip rear differential | $300 | |||||
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 | ||||
Bodyside moldings | $75 | |||||
Bright-finished exhaust tip(s) | $25 | $25 | $25 | |||
Convertible top | $3000 | |||||
Painted brake calipers (optional) | $0 | $0 | $0 | |||
Power convertible top | $4000 | $4000 | $4000 | $4000 | ||
Rear spoiler | $200 | |||||
Retractable rear spoiler | $400 | $400 | $400 | $400 | $400 | |
Infotainment | ||||||
App support | $0 | $0 | ||||
Audio controls on steering wheel | $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 | |
DVD-Audio-compatible player | $0 | $0 | $0 | $0 | ||
HD radio | $50 | $50 | ||||
Media drive | $15 | $15 | $15 | $15 | ||
MP3-compatible player | $50 | $50 | $50 | $50 | $50 | |
Navigation system | $600 | $600 | $600 | $600 | $600 | |
Off-road navigation system | $0 | $0 | $0 | $0 | ||
Satellite radio | $200 | $200 | $200 | $200 | $200 | |
Surround sound | $250 | |||||
Telematics service, such as OnStar | $200 | |||||
Traffic information | $25 | $25 | $25 | $25 | ||
USB port | $25 | $25 | $25 | $25 | ||
Instruments, Lights, and Mirrors | ||||||
Auto-dimming driver-side mirror | $75 | |||||
Auto-dimming passenger-side mirror | $75 | |||||
Auto-dimming rearview mirror | $150 | |||||
Chronometer | $100 | $100 | ||||
Compass | $0 | |||||
Fog light, rear | $100 | $100 | $100 | $100 | $100 | |
Headlight washers | $50 | $50 | ||||
Heated mirrors | $25 | $25 | $25 | $25 | $25 | |
Steering-linked headlights | $150 | $150 | ||||
Xenon HID headlights | $500 | $500 | $500 | $500 | ||
Seats and Interior Trim | ||||||
Door sill trim plates | $100 | $100 | $100 | $100 | $100 | |
Folding passenger seat | $150 | |||||
Folding second row seats | $300 | |||||
Leather door panel trim | $250 | |||||
Leather-wrapped steering wheel | $150 | $150 | $150 | $150 | $150 | |
Manual height adjuster, driver seat | $50 | $50 | $50 | $50 | $50 | |
Manual height adjuster, passenger seat | $50 | $50 | $50 | $50 | $50 | |
Metal pedals | $75 | $75 | $75 | $75 | $75 | |
No leather in second row | $-300 | $-300 | $-300 | $-300 | $-300 | |
Power fore-aft adjuster, driver seat | $100 | |||||
Power height adjuster, driver seat | $100 | |||||
Power lumbar adjuster, driver seat | $100 | |||||
Power recliner, driver seat | $100 | $100 | $100 | $100 | $100 | |
Power recliner, passenger seat | $100 | $100 | $100 | $100 | $100 | |
Power tilt adjuster, driver seat | $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 | |||||
Electronic systems calibration selector | $200 | |||||
Sport suspension (upgrade) | $0 | |||||
Transmission | ||||||
Launch control | $100 | |||||
Total Value of Features | $8,520 | $9,970 | $9,520 | $11,630 | $9,220 | $4,175 |
Value of Feature Adjustments | $4,345 | $5,795 | $5,345 | $7,455 | $5,045 | $0 |
Value of Feature Adjustments | -73 | -93 | -75 | -95 | -57 | 0 |
Model Year | 2016 | 2008 |
Model | Boxster | Grand Prix |
Body | 2dr Convertible | 4dr Sedan |
Wheelbase | 97.4 in | 110.5 in |
Length | 172.2 in | 198.3 in |
Width | 70.9 in | 71.6 in |
Height | 50.5 in | 55.9 in |
Curb Weight | 2,889 lb. | 3,478 lb. |
Fuel Capacity | 16.9 gal. | 17.0 gal. |
Row 1 Headroom | 38.6 in | 38.8 in |
Row 1 Shoulder Room | 51.7 in | 58.0 in |
Row 1 Hip Room | 53.4 in | 54.5 in |
Row 1 Legroom | 42.6 in | 42.2 in |
Row 2 Headroom | 0.0 in | 36.2 in |
Row 2 Shoulder Room | 0.0 in | 54.8 in |
Row 2 Hip Room | 0.0 in | 54.3 in |
Row 2 Legroom | 0.0 in | 36.2 in |
Cargo Volume | 9.9 ft3 | 16.0 ft3 |
Infotainment Package | ||
Feature | Value | Requested? |
Unbranded, 185W, 7 speakers | 350 | No |
App support | 0 | No |
Satellite radio | 200 | Yes |
DVD-Audio-compatible player | 0 | No |
HD radio | 50 | No |
USB port | 25 | No |
Navigation system | 600 | Yes |
Traffic information | 25 | No |
Off-road navigation system | 0 | No |
Media drive | 15 | No |
Total Requested | 800 | 63% |
Total Not Requested | 465 | 37% |
Convenience Package | ||
Feature | Value | Requested? |
Automatic climate control, front | 200 | Yes |
Heated front seats | 200 | Yes |
Dual-zone climate control | 125 | Yes |
Residual heat | 50 | No |
Automatic air recirculation | 100 | No |
Total Requested | 525 | 78% |
Total Not Requested | 150 | 22% |
Infotainment Package | ||
Feature | Value | Requested? |
App support | 0 | No |
Satellite radio | 200 | Yes |
DVD-Audio-compatible player | 0 | No |
HD radio | 50 | No |
USB port | 25 | No |
Navigation system | 600 | Yes |
Traffic information | 25 | No |
Off-road navigation system | 0 | No |
Media drive | 15 | No |
Total Requested | 800 | 87% |
Total Not Requested | 115 | 13% |
Convenience Package | ||
Feature | Value | Requested? |
Automatic climate control, front | 200 | Yes |
Heated front seats | 200 | Yes |
Dual-zone climate control | 125 | Yes |
Residual heat | 50 | No |
Automatic air recirculation | 100 | No |
Total Requested | 525 | 78% |
Total Not Requested | 150 | 22% |
Convenience Package | ||
Feature | Value | Requested? |
Automatic climate control, front | 200 | Yes |
Heated front seats | 200 | Yes |
Dual-zone climate control | 125 | Yes |
Residual heat | 50 | No |
Automatic air recirculation | 100 | No |
Total Requested | 525 | 78% |
Total Not Requested | 150 | 22% |
PCM | ||
Feature | Value | Requested? |
Navigation system | 600 | Yes |
DVD-Audio-compatible player | 0 | No |
Traffic information | 25 | No |
Off-road navigation system | 0 | No |
Media drive | 15 | No |
USB port | 25 | No |
Total Requested | 600 | 90% |
Total Not Requested | 65 | 10% |
Navigation system | ||
Feature | Value | Requested? |
Navigation system | 600 | Yes |
Monsoon, 245W, 9 speakers (with subwoofer) | 350 | No |
Total Requested | 600 | 63% |
Total Not Requested | 350 | 37% |
Security Package | ||
Feature | Value | Requested? |
Antilock brakes (ABS) | 400 | Yes |
Traction control | 100 | Yes |
Side curtain airbags | 350 | Yes |
Total Requested | 850 | 100% |
Total Not Requested | 0 | 0% |
Premium Package | ||
Feature | Value | Requested? |
Leather seating surfaces | 900 | Yes |
Automatic climate control, front | 200 | Yes |
Heated front seats | 200 | Yes |
Dual-zone climate control | 125 | Yes |
Total Requested | 1425 | 100% |
Total Not Requested | 0 | 0% |
Preferred Package | ||
Feature | Value | Requested? |
Audio controls on steering wheel | 125 | Yes |
Illuminated visor mirror, driver | 40 | Yes |
Illuminated visor mirror, passenger | 40 | Yes |
Power lumbar adjuster, driver seat | 100 | No |
Trip computer | 150 | Yes |
Leather-wrapped steering wheel | 150 | Yes |
Outside temperature display | 50 | Yes |
Compass | 0 | No |
Map lights | 25 | No |
Cargo net | 40 | Yes |
Overhead sunglass holder | 25 | No |
Remote start | 150 | No |
Remote keyless entry, extended range | 0 | No |
Total Requested | 595 | 66% |
Total Not Requested | 300 | 34% |