2003 Kia Optima: trims, real prices & how to pick yours

4 builds left the factory as a 2003 Optima, each a different combination of engine, transmission and body identified by the first eight characters of its VIN.

  • 2 main configurations
  • 598 vehicles built

Which Optima 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 Optima

What actually differs

Base configuration KNAGD128-3 Base configuration KNAGD126-3
Engine 2.7L 6-cyl 2.4L 4-cyl
Vehicles built 379 217
Same on every 2003 Optima
  • Fuel Gasoline
  • Body Sedan
  • Doors 4-door

What KNAGD128-3 means

KNA GD128 · 3
KNA
the World Manufacturer Identifier Kia registered — assembled in South Korea
GD128
together encode the Optima line — Sedan, 2.7L 6cyl — as Kia filed it, these five characters are read as one block, not letter by letter
3
in position 10 — model year 2003
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 Optima?

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