2005 Buick Century: trims, real prices & how to pick yours
4 builds left the factory as a 2005 Century, each a different combination of engine, transmission and body identified by the first eight characters of its VIN.
- 2 main configurations
- 2,474 vehicles built
- 9 for sale right now
Which Century 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 Century
Safety, in plain English
What 2G4WS55J-5 means
2G4
WS55J
·
5
- 2G4
- the World Manufacturer Identifier Buick registered — assembled in Canada
- WS55J
- together encode the Century line — Sedan, 3.1L 6cyl — as Buick filed it, these five characters are read as one block, not letter by letter
- 5
- in position 10 — model year 2005
- 9, 11–17
- differ on every car: check digit, plant code and the serial number
2 rare configurations — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.
Already looking at a specific Century?
Paste its VIN — we’ll open that exact car’s page: its configuration, market position and every listing we’ve tracked.