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2008 Pontiac Grand Prix
Fuel Economy
Est - City:
18
Fuel Ecomony
Est-Hwy:
28
Engine Type: Gas V6
Type of Vehicle: Mid-Size

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Fuel Economy
Est - City:
N/A
Fuel Ecomony
Est-Hwy:
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Type of Vehicle: N/A
  • Car Review
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  • Add-Ons
  • Vehicle Specs
  • Warranty Info

Pros

Pontiac's 2008 Grand Prix combines a very roomy interior and smooth ride with two different engines and reasonably agile handling. And, with either engine, it returns surprisingly good fuel economy. It's also one of the lowest-priced cars to offer a head-up display.

Model Highlights

The front-wheel-drive 2008 Pontiac Grand Prix sedan is available in two different models, both with their own powertrain. The base Grand Prix has a 200-horsepower, 3.8L V6 underhood, while the GXP model packs a 303-horsepower, 5.3L V8. Both engines come with a four-speed automatic transmission. The top GXP comes with a standard head-up display (HUD), which projects dashboard displays onto the windshield. The system is designed to enhance safety, but can be switched off if not desired. A performance-tuned suspension, 18-inch forged aluminum wheels, StabiliTrak stability control, and the Magnasteer II variable-assist power steering system are all standard on the GXP, which translates to a sportier overall driving experience. The GXP can accelerate from 0-60 in only 5.6 seconds, and its transmission features a TAPshift manual-shift function. All Grand Prix models have quite impressive fuel economy ratings. The base Grand Prix is rated at 28 mpg highway, and the V8 manages to get 16 city, 25 highway. A Special Edition Package adds a high-performance appearance to the base model, including an air dam, rear spoiler, body-color grille, and dual bright exhaust tips. The Grand Prix has an especially spacious interior, including a back seat capable of carrying three adults. The back seats are split 60/40 and can fold forward or have a pass through for narrow objects like skis for objects as long as nine feet. Both Grand Prix models have four-wheel disc brakes, but anti-lock is optional on the base Grand Prix. Front and rear side curtain air bags are optional on both models. The standard OnStar system includes GM's Advanced Automatic Crash Notification (AACN) system, which can make crash data available to 911 dispatch, depending on the situation. The service can also accommodate an optional Turn-by-Turn Navigation system.

Model News

The Pontiac Grand Prix sedan carries over to 2008 without the mid-range GT trim. Also, Bronzestone Metallic and Stealth Gray Metallic paints have been replaced by Gold Mist Metallic, Dark Slate Metallic, and Dark Mocha Metallic for the new model year.

Value Writeup

Roomy interior; smooth ride; fuel efficiency on the highway; acceleration (GXP).

Exterior

  • Doors, rear "wide-opening", 3 detent positions to 82 degrees
  • Fascias, front and rear with Gray lower accents
  • Glass, Solar-Ray light-tinted
  • Headlamps, halogen composite, high-intensity
  • License plate bracket, front (Included on required states. Available to order through SPO.)
  • Mirrors, outside power-adjustable, Sport, body-color
  • Moldings, body-color bodyside
  • Spoiler, rear, aerodynamic
  • Tire, compact spare
  • Tires, P225/60R16 touring, blackwall
  • Wheels, 16" (40.6 cm) painted aluminum
  • Wipers, front intermittent

Safety

  • Doors, rear "wide-opening", 3 detent positions to 82 degrees
  • Fascias, front and rear with Gray lower accents
  • Glass, Solar-Ray light-tinted
  • Headlamps, halogen composite, high-intensity
  • License plate bracket, front (Included on required states. Available to order through SPO.)
  • Mirrors, outside power-adjustable, Sport, body-color
  • Moldings, body-color bodyside
  • Spoiler, rear, aerodynamic
  • Tire, compact spare
  • Tires, P225/60R16 touring, blackwall
  • Wheels, 16" (40.6 cm) painted aluminum
  • Wipers, front intermittent
   

Paint

InvoiceMSRP
BLACK --
CRIMSON RED --
DARK MOCHA METALLIC --
DARK SLATE METALLIC --
GOLD MIST METALLIC --
IVORY WHITE --
LIQUID SILVER METALLIC --
MIDNIGHT BLUE METALLIC --
SHADOW GRAY METALLIC --
RED JEWEL TINTCOAT $245$295
  


Transmission

Clutch Size (in) 
DrivetrainFront Wheel Drive
Fifth Gear Ratio (:1) 
Final Drive Axle Ratio (:1)3.05
First Gear Ratio (:1)2.92
Fourth Gear Ratio (:1)0.70
Reverse Ratio (:1)2.38
Second Gear Ratio (:1)1.56
Sixth Gear Ratio (:1) 
Third Gear Ratio (:1)1.00
Trans Description Cont.Automatic w/OD
Trans Description Cont. Again 
Trans Order CodeMX0
Trans Type4

Weight Information

Base Curb Weight (lbs)3477

Cooling System

Total Cooling System Capacity (qts)11.2

Engine

Displacement3.8L/231
Engine Order CodeL26
Engine TypeGas V6
Fuel SystemSFI
SAE Net Horsepower @ RPM200 @ 5200
SAE Net Torque @ RPM230 @ 4000

Suspension

Shock Absorber Diameter - Front (mm)- TBD -
Shock Absorber Diameter - Rear (mm)- TBD -
Stabilizer Bar Diameter - Front (in)0.79
Stabilizer Bar Diameter - Rear (in)0.68
Suspension Type - FrontWide Track
Suspension Type - Front (Cont.)Independent
Suspension Type - RearWide Track
Suspension Type - Rear (Cont.)Independent

Electrical

Cold Cranking Amps @ 0? F (Primary)- TBD -
Maximum Alternator Capacity (amps)- TBD -

Vehicle

EPA ClassificationMid-Size

Brakes

Brake ABS System 
Brake ABS System4-Wheel
Brake TypePwr
Disc - Front (Yes or )Yes
Disc - Rear (Yes or )Yes
Drum - Rear (Yes or ) 
Front Brake Rotor Diam x Thickness (in)11.7 x - TBD -
Rear Brake Rotor Diam x Thickness (in)10.5 x - TBD -
Rear Drum Diam x Width (in) 

Mileage

EPA Fuel Economy Est - City (MPG)18
EPA Fuel Economy Est - Hwy (MPG)28
  

Warranty

Basic:3 Years/36,000 Miles/km Corrosion:6 Years/100,000 Miles/km


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