Pontiac Grand Prix depreciation

A 2008 Pontiac Grand Prix averages $4,724 — a 2004 averages $4,588 (3% lower).

Updated July 25, 2026 · Live dealer listing data

Average price by model year

Year Average price Avg. mileage vs. previous year Listings
2008 $4,724 155,608 −$496 15
2007 $5,220 169,938 +$289 14
2006 $4,931 155,288 −$599 26
2005 $5,530 163,098 +$942 16
2004 $4,588 161,357 10

Frequently asked questions

How much does a Pontiac Grand Prix depreciate per year?

A Pontiac Grand Prix averages out to roughly 0.8% of value lost per year, though real-world depreciation is front-loaded — steepest in the first few years. A 2008 averages $4,724, while a 2004 — 4 years older — averages $4,588: 3% lower overall. Figures come from live dealer listings, updated July 25, 2026.

Which Pontiac Grand Prix model year is cheapest?

The 2004 Pontiac Grand Prix is the most affordable model year we track, averaging $4,588 — 3% below the 2008 average of $4,724. Compare every year in the table above.

How many Pontiac Grand Prix model years can I compare here?

This depreciation curve covers 5 model years, from 2004 to 2008, each averaged from live dealer listings and refreshed daily.

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Check individual VINs before you buy — decode the exact trim and mileage, see every active listing, and how each price compares to the local market.