GM paint code 20U
Impression Blue Metallic, also listed as Twilight Blue Metallic.
- Code
20U(also seen as21B,4CU,692R,923K,98K,GBK,W-923K)- Finish
- Metallic
- Colour family
- Blue
- Code in use
- 2008–2024 across GM
- Models
- 7
- Same paint on
- Chevrolet Europe
- Screen colour
#2F3A5Dapproximate
Check before you buy. Codes are compiled from public data and can contain errors: check the label on your vehicle or ask a dealer before buying paint. How we verify
Our sources also list code 20U for Silver Metallic, a clearly different colour, so it has its own page. Which one is right for your car depends on the model and year: check the label.
GM models with paint code 20U
Years are the overlap of the code's years with each model's production years. ≈ production years of the model line, not the exact variant; ? production years not confirmed yet.
| Model | Years | Colour name |
|---|---|---|
| GM Astra | 2008–2024 | Impression Blue Metallic |
| GM Aveo | 2008–2024 | Impression Blue Metallic |
| GM Lova | 2016–2019 | Impression Blue Metallic |
| GM Malibu | 2008–2024 ? | Impression Blue Metallic |
| GM Regal | 2008–2020 | Impression Blue Metallic |
| GM Vibe | 2008–2009 | Impression Blue Metallic |
| GM Wave | 2008–2024 ? | Impression Blue Metallic |
Where to find code 20U on your GM
Service Parts Identification (SPID) label. A code starting with WA followed by digits (for example WA8555), or a three-character code such as GAZ; the line often starts with BC/CC and U.
Touch-up paint for Impression Blue Metallic
Ask for GM 20U and give the model year: paint suppliers mix by code, and some codes have several variants (this one also appears as 21B, 4CU, 692R).
This is a metallic colour: it needs a basecoat and a clear coat. Pens and aerosols for metallics usually come with a separate clear.
Read the touch-up paint guide before you start.