Pontiac Grand Prix Pontiac Grand Prix 2008 Chevrolet Sonic Chevrolet Sonic 2018

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Pontiac Grand Prix vs. Chevrolet Sonic 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 Grand Prix vs. Chevrolet Sonic Invoice Comparison

Lowest Total Price: $20,730

Chevrolet Sonic LT   
Difference: $10,990

Lowest Total Invoice: $19,828

Chevrolet Sonic LT   
Difference: $9,999

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820182018
ModelGrand PrixSonicSonic
TrimGXPLTPremier
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $29,325 $17,695 $19,795
Base Invoice $27,712 $16,987 $19,003
Floor mats 80    
Side curtain airbags 395    
Engine-block heater 75 100 100
Satellite radio 200    
Sunroof 895   850
RS Package   800 800
Convenience Package   650  
Fun & Sun Package   550  
Cargo net   60 60
Floor mats 66    
Side curtain airbags 328    
Engine-block heater 62 91 91
Satellite radio 166    
Sunroof 743   774
RS Package   728 728
Convenience Package   592  
Fun & Sun Package   500  
Cargo net   55 55
Options (change) 1,645 2,160 1,810
Options (change) 1,365 1,966 1,648
Destination 750 875 875
Total Price $31,720 $20,730 $22,480
Total Invoice $29,827 $19,828 $21,526

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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 Pontiac Grand Prix dealer quotes or Chevrolet Sonic 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 Grand Prix vs. Chevrolet Sonic

Lowest Adjusted Price and Invoice: Chevrolet Sonic LT
TrueDelta Adjusted Price Difference: $10,685
TrueDelta Adjusted Invoice Difference: $9,712
Model Year200820182018
ModelGrand PrixSonicSonic
TrimGXPLTPremier
Body4dr Sedan4dr Sedan4dr Sedan
Engine303hp V8138hp I4138hp I4
TransmissionT4M6M6
DrivetrainFWDFWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)245, 9?, 6?, 6
Tire (rear if not all the same)255/45-18205/50-17205/50-17
Total Price$31,720$20,730$22,480
Adjustments for Features-30500
Feature-Adjusted Total Price$31,415$20,730$22,480
Cost Above Minimum$0$0$1,750
Total Invoice$29,827$19,828$21,526
Adjustments for Features-28700
Feature-Adjusted Total Invoice$29,540$19,828$21,526
Cost Above Minimum$0$0$1,698

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Features Comparison: Pontiac Grand Prix vs. Chevrolet Sonic

Model Year200820182018
ModelGrand PrixSonicSonic
TrimGXPLTPremier
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
4-speed manually-shiftable automatic$900  
6-speed manual $150$150
FWD$0$0$0
Accessories 
Heated steering wheel $100$100
Proximity key $250$250
Remote app $25$25
Remote keyless entry $225$225
Remote keyless entry, extended range$225  
Remote start$150  
Tilt steering wheel, manual$150  
Tilt/telescoping steering wheel, manual $250$250
Brakes, Airbags, and Other Safety 
4-wheel disc brakes$150  
Brake assist $50$50
Front side airbags $350$350
Knee airbag, driver $75$75
Knee airbag, passenger $75$75
Rear side airbags $300$300
Rearview camera $200$200
Rollover sensor $50$50
Vehicle health reports $0$0
Climate Control 
Automatic climate control, front$200  
Dual-zone climate control$125  
Exterior 
Body kit $0$0
Bodyside moldings$75  
Bright-finished exhaust tip(s)$25  
Infotainment 
4G LTE connectivity $0$0
Android Auto support $100$100
App support $0$0
Apple CarPlay support $100$100
Aux input $50$50
Bluetooth audio streaming $25$25
Bluetooth cell phone link $100$100
CD player$125  
SMS text-to-speech reader $25$25
Telematics service, such as OnStar$200  
Telematics service, such as OnStar, with navigation $225$225
USB port $25$25
Voice control for audio system $25$25
Voice control for external devices $0$0
Wi-Fi hotspot $50$50
Instruments, Lights, and Mirrors 
Head-up display (HUD)$350  
Heated mirrors $25$25
Illuminated visor mirror, driver$50  
Illuminated visor mirror, passenger$50  
Visor mirror, driver $10$10
Visor mirror, passenger $10$10
Seats and Interior Trim 
Door sill trim plates$100  
Floor mats, second row (optional) $0$0
Folding passenger seat$150  
Power 4-way lumbar adjuster, driver seat$150  
Power recliner, driver seat $100$100
Power tilt adjuster, driver seat$100  
Synthetic leather seating surfaces  $0
Synthetic suede inserts in leather seating surfaces$0  
Upgraded floor mats $0$0
Suspension, Wheels, and Tires 
Alloy wheels $350$350
Performance steering system (optional)$0  
Polished alloy wheels$350  
Wheels, dark finish $0$0
Total Value of Features$3,625$3,320$3,320
Value of Feature Adjustments$305$0$0
Value of Feature Adjustments-28700

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Specifications Comparison: Pontiac Grand Prix vs. Chevrolet Sonic

Model Year20082018
ModelGrand PrixSonic
Body4dr Sedan4dr Sedan
Wheelbase110.5 in99.4 in
Length198.3 in173.9 in
Width71.6 in68.3 in
Height55.9 in59.7 in
Curb Weight3,478 lb.2,774 lb.
Fuel Capacity17.0 gal.12.2 gal.
Row 1 Headroom38.8 in38.7 in
Row 1 Shoulder Room58.0 in53.4 in
Row 1 Hip Room54.5 in51.4 in
Row 1 Legroom42.2 in41.8 in
Row 2 Headroom36.2 in37.8 in
Row 2 Shoulder Room54.8 in53.0 in
Row 2 Hip Room54.3 in51.6 in
Row 2 Legroom36.2 in34.6 in
Cargo Volume16.0 ft314.9 ft3

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Option Package Details
Chevrolet Sonic LT

RS Package
FeatureValueRequested?
Fog lights125Yes
Leather-wrapped steering wheel150Yes
Body kit0No
Rear spoiler200Yes
205/55HR16 tires400No
Special interior trim0No
Upgraded floor mats0No
Total Requested47554%
Total Not Requested40046%
Convenience Package
FeatureValueRequested?
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power recliner, driver seat100No
Leather-wrapped steering wheel150Yes
Heated steering wheel100No
Upgraded instruments0No
Proximity key250No
Total Requested50053%
Total Not Requested45047%
Fun & Sun Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Wheels, dark finish0No
Sunroof900Yes
205/50HR17 tires400No
turbocharged
1.4L I4
DOHC-4v
138 hp@4900
148 lb-ft@1850
1000No
Total Requested115045%
Total Not Requested140055%

Option Package Details
Chevrolet Sonic Premier

RS Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Fog lights125Yes
Body kit0No
Rear spoiler200Yes
Special interior trim0No
Upgraded floor mats0No
Wheels, dark finish0No
Total Requested575100%
Total Not Requested00%

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