2004 Buick Regal: trims, real prices & how to pick yours

6 builds left the factory as a 2004 Regal, each a different combination of engine, transmission and body identified by the first eight characters of its VIN.

  • 4 main configurations
  • 1,198 vehicles built
  • 7 for sale right now

Which Regal 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 Regal

What actually differs

LS 2G4WB52K-4 LS 2G4WB55K-4 GS 2G4WF521-4 GS 2G4WF551-4
For sale right now 4 2 1 —
Vehicles built 988 115 62 31
Same on every 2004 Regal
  • Engine 3.8L 6-cyl
  • Fuel Gasoline
  • Body Sedan
  • Doors 4-door
  • Typical price today $5,890
Will it hold value?

A Regal typically keeps about 75% of its price over 5 years — a 5-year-old one runs about $3,747 today.

Regal depreciation by year →
Cost to run

18/28 mpg city/highway. Roughly $2,210/yr on fuel at 15,000 miles.

EPA estimate for the 2004 Regal

What 2G4WF521-4 means

2G4 WF521 · 4
2G4
the World Manufacturer Identifier Buick registered — assembled in Canada
WF521
together encode the Regal line — Sedan, 3.8L 6cyl — as Buick filed it, these five characters are read as one block, not letter by letter
4
in position 10 — model year 2004
9, 11–17
vehicle-specific fields: check digit, plant code and production sequence
2 rare configurations — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.

Already looking at a specific Regal?

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