Lexus IS Lexus IS 2006 Pontiac Grand Prix Pontiac Grand Prix 2008
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Lexus IS vs. Pontiac Grand Prix 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.

Lexus IS vs. Pontiac Grand Prix Invoice Comparison

Lowest Total Price: $33,590

Pontiac Grand Prix GXP   
Difference: $4,990

Lowest Total Invoice: $31,379

Pontiac Grand Prix GXP   
Difference: $2,565

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062008
ModelISGrand Prix
Trim350GXP
Body4dr Sedan4dr Sedan
Base Price $35,440 $29,325
Base Invoice $31,186 $27,712
Navigation system 2,550 2,145
Floor mats   80
Sunroof   895
Side curtain airbags   395
Navigation system 2,168 1,780
Floor mats   66
Sunroof   743
Side curtain airbags   328
Options (change) 2,550 3,515
Options (change) 2,168 2,917
Destination 590 750
Total Price $38,580 $33,590
Total Invoice $33,944 $31,379

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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

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

Request free, no-obligation Lexus IS dealer quotes or Pontiac Grand Prix 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: Lexus IS vs. Pontiac Grand Prix

Lowest Adjusted Price and Invoice: Pontiac Grand Prix GXP
TrueDelta Adjusted Price Difference: $2,725
TrueDelta Adjusted Invoice Difference: $572
Model Year20062008
ModelISGrand Prix
Trim350GXP
Body4dr Sedan4dr Sedan
Engine306hp V6303hp V8
TransmissionT6T4
DrivetrainRWDFWD
EPA Fuel Economy (city/highway)21/28 MPG16/25 MPG
Audio (watts, speakers)194, 12245, 9
Tire (rear if not all the same)225/45-17255/45-18
Total Price$38,580$33,590
Adjustments for Features-2,2650
Feature-Adjusted Total Price$36,315$33,590
Total Invoice$33,944$31,379
Adjustments for Features-1,9930
Feature-Adjusted Total Invoice$31,951$31,379

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Features Comparison: Lexus IS vs. Pontiac Grand Prix

Model Year20062008
ModelISGrand Prix
Trim350GXP
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
4-speed manually-shiftable automatic $900
RWD$0 
FWD $0
Accessories 
Proximity key$250 
Remote keyless entry$225 
Remote keyless entry, extended range $225
Remote start $150
Remote window/roof operation$15 
Tilt steering wheel, manual $150
Tilt/telescoping steering wheel, manual$250 
Universal garage door opener$100 
Brakes, Airbags, and Other Safety 
Brake assist$50 
Front side airbags$350 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Rearview camera$200 
Cargo Management 
Cargo net $40
Overhead sunglass holder$25 
Rear seat pass-through$100 
Climate Control 
Rear air vents$100 
Water-repellent front-door glass$15 
Exterior 
Bodyside moldings $75
Rear spoiler $200
Infotainment 
Aux input$50 
Bluetooth cell phone link$100 
CD changer, in-dash$325 
CD player $125
MP3-compatible player$50 
Telematics service, such as OnStar $200
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Auto-dimming rearview mirror$150 
Compass $0
Head-up display (HUD) $350
Heated mirrors$25 
Seats and Interior Trim 
Center armrest(s), second row$50 
Folding passenger seat $150
Folding second row seats $300
Heated front seats $200
Leather seating surfaces$900 
Power 4-way lumbar adjuster, driver seat $150
Power fore-aft adjuster, passenger seat$100 
Power height adjuster, passenger seat$100 
Power lumbar adjuster, driver seat$100 
Power lumbar adjuster, passenger seat$100 
Power recliner, driver seat$100 
Power recliner, passenger seat$100 
Power tilt adjuster, passenger seat$100 
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Alloy wheels$350 
Performance steering system (optional) $0
Polished alloy wheels $350
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$5,830$3,565
Value of Feature Adjustments$2,265$0
Value of Feature Adjustments-1,9930

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See a complete comparison of Lexus IS vs. Pontiac Grand Prix features.

Specifications Comparison: Lexus IS vs. Pontiac Grand Prix

Model Year20062008
ModelISGrand Prix
Body4dr Sedan4dr Sedan
Wheelbase107.5 in110.5 in
Length180.1 in198.3 in
Width70.9 in71.6 in
Height56.1 in55.9 in
Curb Weight3,527 lb.3,600 lb.
Fuel Capacity17.2 gal.17.0 gal.
Row 1 Headroom37.2 in38.8 in
Row 1 Shoulder Room54.4 in58.0 in
Row 1 Hip Room54.1 in54.5 in
Row 1 Legroom43.9 in42.2 in
Row 2 Headroom36.7 in36.2 in
Row 2 Shoulder Room52.7 in54.8 in
Row 2 Hip Room53.7 in54.3 in
Row 2 Legroom30.6 in36.2 in
Cargo Volume13.0 ft316.0 ft3

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See a complete comparison of Lexus IS vs. Pontiac Grand Prix specs.

Option Package Details
Lexus IS 350

Navigation system
FeatureValueRequested?
Navigation system600Yes
Bluetooth cell phone link100No
Rearview camera200No
Voice control for nav and audio100No
Total Requested60060%
Total Not Requested40040%

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