2008 Pontiac G8: trims, real prices & how to pick yours

3 builds left the factory as a 2008 G8, each a different combination of engine, transmission and body identified by the first eight characters of its VIN. The 2 main configurations sell for $1,500–$15,900 today.

  • 2 main configurations
  • 1,772 vehicles built
  • 19 for sale right now
  • $1,500–$15,900 typical price range

Which G8 is yours?

Enter a VIN — the 17 characters on the windshield or the title — and we’ll match it to its exact factory configuration, typical price and equipment.

Works with any VIN — a different year or model takes you straight to its own page.

Pick your G8

What actually differs

GT Base
Engine 3.6L 6-cyl 4.6L 8-cyl
Typical price today $8,895 $19,880
For sale right now 14 5
Vehicles built 1,062 709
Same on every 2008 G8
  • Fuel Gasoline
  • Body Sedan
  • Doors 4-door

What people actually pay

29 price observations · updated Aug 30, 2026
GT
$8,895
$1,455 $5,186 $8,916 $12,647 $16,377
Price trend

Median down $7,751 over the last 10 months.

2008 G8 price history →
Cost to run

17/25 mpg city/highway. Roughly $2,330/yr on fuel at 15,000 miles.

EPA estimate for the 2008 G8

Safety, in plain English

What 6G2EC57Y-8 means

6G2 EC57Y · 8
6G2
the World Manufacturer Identifier Pontiac registered — the manufacturer and plant group
EC57Y
together encode the G8 line — Sedan, 4.6L 8cyl — as Pontiac filed it, these five characters are read as one block, not letter by letter
8
in position 10 — model year 2008
9, 11–17
differ on every car: check digit, plant code and the serial number
1 rare configuration — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.

Already looking at a specific G8?

Paste its VIN — we’ll open that exact car’s page: its configuration, market position and every listing we’ve tracked.

2008 Pontiac G8 prices →