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2008 Pontiac G6

Used 2008 Pontiac G6

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2010
2008
Fuel Economy
20 - 22 combined mpg
Horsepower
219 - 252 hp
Engine
4 engines available
Engine Options
  • 4-Cyl, 2.4 Liter
  • V6, 3.9 Liter
  • V6, VVT, 3.5 Liter
  • V6, VVT, 3.6 Liter
Cargo Volume
12 - 14 cu ft
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2008 Pontiac G6 Review

KBB Editors

By KBB Editors

Updated December 23, 2019

Our editors drive and evaluate hundreds of new cars every single year, turning thousands of miles and countless hours behind the wheel into helpful reviews, ratings, and comparisons. They also have lives outside of work, or so they think. You’d be surprised what you can learn by hauling a dirt bike, hunting for a wayward sippy cup, or just packing the trunk full of groceries.

Pros

If you’re in the market for a sporty domestic midsize sedan, the 2008 Pontiac G6 is right in line with the current offerings from Ford and Dodge.

Cons

While the G6 offers decent handling to back up its sporty looks, the base and GT models are not terribly quick and feature slow-shifting automatic transmissions as standard equipment. Interior plastics are not up to the standards set by Mazda, Volkswagen and Honda.

What's New?

The GXP becomes the new top-of-the-line trim (replacing the GTP), while front-seat-mounted side-impact airbags, anti-lock brakes (ABS), traction control and OnStar are made standard across the line.

As GM continues to regain its footing, Pontiac’s line of sporty yet fuel-efficient cars plays a major part in the company’s recovery. One of the leaders of that effort is the 2008 Pontiac G6, a midsize sedan built from a proven chassis developed in partnership with GM’s European subsidiary, Opel. With the G6, Pontiac seeks to impart its trademark styling onto a vehicle providing the ride and handling characteristics so important to younger buyers. In order to lure buyers away from Volkswagen and Mazda, however, a manual transmission option should be made available on both four- and six-cylinder models, while pricing and content must remain competitive with newer entries such as the Dodge Avenger and Ford Fusion.

2008 Pontiac G6 Pricing

2008 Pontiac G6 pricing starts at $4,318 for the G6 Sedan 4D, which had a starting MSRP of $21,140 when new. The range-topping 2008 G6 GT Hard Top Convertible 2D starts at $4,585 today, originally priced from $31,450.

Original MSRP
KBB Fair Purchase Price (national avg.)
$21,140
$4,318
$23,900
$4,655
$24,325
$4,221
$28,655
$5,617
$28,860
$5,021
$31,450
$4,585

The Kelley Blue Book Fair Purchase Price for any individual used vehicle can vary greatly according to mileage, condition, location, and other factors. The prices here reflect what buyers are currently paying for used 2008 Pontiac G6 models in typical condition when purchasing from a dealership. These prices are updated weekly.

Driving the Pontiac G6

If you settle into the driver’s seat expecting the performance of a sport sedan, you might be somewhat disappointed by a 219-horsepower pushrod V6 and four-speed automatic transmission, with performance that is decidedly underwhelming. The G6 handles well enough and we appreciated the substantial side bolsters of the front seats. Electric power steering delivers minimal feedback on base cars, but the hydraulic system available on the GT and GXP definitely improves matters. The G6 feels its most athletic when ordered with the 3.6-liter V6 and six-speed automatic transmission. Unfortunately, this combination is available only on the high-end GXP trim level.

Interior Comfort

If the exterior styling is a giant leap forward for Pontiac, the interior styling is at least a step in that direction. The chrome gauge surrounds are a little much, and some of the controls appear designed for a more rugged application, but those few rough spots speak volumes for the improvements. While front passengers are treated to comfortable seats and nicely-styled appointments, the backseat passengers are the big winners, with surprisingly generous legroom and big rear doors (both benefits thanks to the long wheelbase) and windows that open all the way down.

Exterior Styling

Take away the Pontiac badging and grille and it would be almost impossible to identify the G6 as a Pontiac — or as a GM or a domestic car, for that matter. Some of us think the G6, especially in GXP trim, is one of the most attractive cars the domestic manufacturers have ever delivered. Wheels pushed out to the corners underline a strong stance. Front, side and back, both the G6 Coupe and Sedan look great.

Favorite Features

Sleek Design
We hope the G6’s clean, attractive exterior styling cues carry over to future Pontiacs.

Rear-seat Room
The long wheelbase of the G6 results in lots of legroom and big doors that open wide for rear-seat passengers.

Standard Features

Standard equipment on the base G6 includes a 2.4-liter four-cylinder engine, automatic transmission, auxiliary input jack, air conditioning, power windows, power door locks, power mirrors, tilt/telescopic steering wheel, OnStar, head-curtain airbags, front-seat side-impact airbags, traction control, four-wheel anti-lock disc brakes (ABS), 16-inch covered steel wheels and automatic headlamps. The GT has a 3.5-liter V6, cruise control, XM Satellite Radio, Monsoon sound system, fog lamps, keyless entry and 17-inch wheels. The GXP adds revised front and rear fascias, 18-inch wheels, power driver’s seat, chrome exhaust tips, six-speed automatic transmission and a 3.6-liter V6.

Factory Options

Options include leather seating, remote start, premium six-disc in-dash CD/MP3 player, power driver’s seat, power-adjustable pedals, sunroof, steering wheel-mounted audio controls, fog lamps, rear spoiler and choices of 17- and 18-inch aluminum wheels.

Engine & Transmission

The ECOTEC four-cylinder engine is all about economy, not performance. Why GM didn’t offer a five-speed manual on this model is a mystery, but without it the G6 has little chance of living up to its sporty image. The 3.5-liter V6 has more pulling power but lacks quickness. If you’re purchasing the G6 to perform, you have to go with the GXP’s new 3.6-liter V6. With its variable valve timing and relatively flat torque curve, this engine has the power and response that driving enthusiasts demand.

2.4-liter in-line 4
164 horsepower @ 6400 rpm
156 lb.-ft. of torque @ 5000 rpm
EPA city/highway fuel economy: 22/30

3.5-liter V6
219 horsepower @ 5900 rpm
219 lb.-ft. of torque @ 3200 rpm
EPA city/highway fuel economy: 18/29 (base), 17/26 (GT)

3.6-liter V6
252 horsepower @ 6300 rpm
251 lb.-ft. of torque @ 3200 rpm
EPA city/highway fuel economy: 17/26


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2008 Pontiac G6
KBB.com Consumer Reviews

4.1
Consumer Rating
Based on 1,163 Consumer Reviews
Write a Review
88%Recommend this vehicle
5
49%
5
49%
4
27%
4
27%
3
10%
3
10%
2
10%
2
10%
1
4%
1
4%
Value
4.2
Performance
4.3
Quality
4.1
Comfort
4.3
Reliability
4.3
Styling
4.4

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2008 Pontiac G6 Styles

Style
Price
Combined Fuel Economy
Horsepower
Engine
Cargo Capacity
Torque
Curb Weight
GT Sedan 4D
$4,221
20 MPG
219 @ 5900 RPM
V6, VVT, 3.5 Liter
14 cu ft
219 lb-ft
3457 lbs
Sedan 4D
$4,318
22 MPG
219 @ 5900 RPM
V6, VVT, 3.5 Liter
14 cu ft
219 lb-ft
3305 lbs
GXP Sedan 4D
$5,021
20 MPG
252 @ 6300 RPM
V6, VVT, 3.6 Liter
14 cu ft
251 lb-ft
3545 lbs
See Full Specs for All 2008 Pontiac G6 Styles
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2008 Pontiac G6 Depreciation

A 2008 Pontiac G6 has depreciated $885 or 22% in the last 3 years and has a current resale value of $3,087 and trade-in value of $1,308.

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2008 Pontiac G6
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2008 Pontiac G6 Annual Depreciation

Year
Vehicle Depreciation*
Resale Value
Trade-In Value
2022
$113
$3,972
$2,442
2023
$297
$3,675
$2,033
2024
$656
$3,019
$1,215
Now
+ $68
$3,087
$1,308
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2-Year Forecasted Depreciation

*Depreciation for the last 12 months of the private party resale value.

2008 Pontiac G6 Depreciation

Annual Depreciation is an estimation of what your vehicle's value might be over time based on an average of similar vehicles. Estimations are calculated by comparing Kelley Blue Book Private Party Values of vehicles similar to yours over time, as well as forecasts from Manheim Auction data comparing current and projected auction values against current Kelley Blue Book Private Party and Trade-In Values. This is not a guarantee of actual depreciation. Local weather conditions, market factors and driver performance will also impact your vehicle's actual depreciation.


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Specifications

Dimensions, Weights & Capacities

Curb Weight
3457 lbs.
Fuel Capacity
16.0 gallons
Front Head Room
39.0 inches
Front Leg Room
42.2 inches
Max Seating Capacity
5
Overall Length
189.0 inches
Front Shoulder Room
55.4 inches
Towing Capacity, Maximum
1000 lbs.
Trunk or Cargo Capacity
14.0 cu.ft.
Turning Diameter
39.3 feet
Wheel Base
112.3 inches
Width with mirrors
70.6 inches

Exterior

Alloy Wheels
Available
Fog Lights
Available
Moon Roof/Sun Roof
Available
Number of Doors
4 doors
Rear Spoiler
Available

Fuel Economy

City
17 mpg
Highway
26 mpg
Combined
20 mpg

Mechanical

Drivetrain
FWD
Transmission Type
Automatic
4 speed
Available
Recommended Fuel
Regular

Performance

Horsepower
219 @ 5900 RPM
Torque
219 @ 3200 rpm
Engine
V6, VVT, 3.5 Liter

Warranty

Basic
3 years / 36000 miles
Powertrain
5 years / 100000 miles
Corrosion
6 years / 100000 miles

Entertainment

  • Satellite Radio
  • CD Player

Interior

  • Leather-Wrapped Steering Wheel
  • Power Windows
  • Rear Window Defroster
  • Steering Wheel Controls
  • Tilt Steering Wheel
  • Tilt/Telescoping Steering Wheel

Seating

  • Leather Seats
  • Folding Rear Seat
  • Cloth Seats
  • Heated Seats
  • Power Driver's Seat

Technology

  • Cruise Control
  • Hands Free Phone
  • Remote Keyless Entry
  • Remote Engine Start

2008 Pontiac G6 Safety

2008 Pontiac G6 Safety Technology

  • Child Door Locks
  • Child Seat Anchors
  • Driver Airbag
  • Passenger Airbag
  • Stability Control
  • Traction Control
  • Emergency & Security Services
  • Front Head Curtain Airbag
  • Front Side Airbag
  • Rear Head Curtain Airbag
Not Available

Crash Test Rating

Provided by the National Highway Traffic Safety Administration
Driver Front
5.0
Passenger Front
4.0
Front Side
5.0
Rear Side
5.0
Rollover Rating
4.0

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See Details
Price
$4,221
$3,813
$3,769
$3,934
KBB.com Rating
N/A
N/A
3.7
N/A
Consumer Rating
4.1
4.5
4.2
4.8
Fuel Economy
City 17/Hwy 26/Comb 20 MPG
City 25/Hwy 37/Comb 30 MPG
City 25/Hwy 36/Comb 29 MPG
City 18/Hwy 28/Comb 22 MPG
Fuel Type
Gas
Gas
Gas
Gas
Safety Rating
N/A
N/A
5.0
N/A
Seating Capacity5555
Basic Warranty
3 years or 36000 miles
3 years or 36000 miles
3 years or 36000 miles
3 years or 36000 miles
Horsepower
219 @ 5900 RPM
155 @ 6100 RPM
160 @ 6400 RPM
260 @ 6250 RPM
Engine
V6, VVT, 3.5 Liter
4-Cyl, 2.2 Liter
4-CYL, Tigershark 2.0L
V6, 3.5 Liter
Drivetrain
FWD
FWD
FWD
FWD

2008 Pontiac G6 Rankings

FAQs

Is the 2008 Pontiac G6 a good vehicle?

Yes, the 2008 Pontiac G6 is a good car. Its Kelley Blue Book rating of 0 out of 5 is within 10% of our average rating.

What is the MPG for a 2008 Pontiac G6?

2008 Pontiac G6 city/highway fuel economy ratings range from 17/26 mpg to 18/29 mpg, depending on trim and equipment.

How much should a 2008 Pontiac G6 cost?

Used 2008 Pontiac G6 prices currently range from $4,221 for the GT Sedan 4D to $5,617 for the GXP Coupe 2D when purchasing from a dealership, depending on a range of factors like equipment, mileage, and condition.

What's the cheapest Pontiac G6?

The cheapest 2008 Pontiac G6 is the GT Sedan 4D, with a Kelley Blue Book Fair Purchase Price of $4,221.

Is the 2008 Pontiac G6 reliable?

The 2008 Pontiac G6 is part of the 1st-generation G6, which our owners give an above-average reliability rating of 4.3 out of 5.

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