Wallonia TMC 2026 : Weight & CO2 Formula
Calculate the new Walloon registration tax based on kW output, WLTP CO2, mass, and powertrain.
Registration tax (0.00 €) + Annual road tax (0.00 €)
Estimation based on official 2026 scales (Vlaamse Belastingdienst, Bruxelles Fiscalité, SPW Finances, FPS Finance). Only the official tax assessment notice is legally binding.
Official Tax Brackets Overview
Engine displacement (cc) and fiscal horsepower (CV).
| Fiscal Horsepower (CV) | Engine Displacement (cm³) | Annual Road Tax (TC) | Base Registration Tax (TMC/BIV) |
|---|---|---|---|
| 4 CV | 0 - 750 cm³ | 102,96 € | 61,50 € / 78,88 € |
| 5 CV | 751 - 950 cm³ | 128,96 € | 61,50 € / 78,88 € |
| 6 CV | 951 - 1 150 cm³ | 186,25 € | 123,00 € / 157,76 € |
| 7 CV | 1 151 - 1 350 cm³ | 243,41 € | 123,00 € / 157,76 € |
| 8 CV | 1 351 - 1 550 cm³ | 300,96 € | 495,00 € / 634,89 € |
| 9 CV | 1 551 - 1 750 cm³ | 358,51 € | 495,00 € / 634,89 € |
| 10 CV | 1 751 - 1 950 cm³ | 415,40 € | 867,00 € / 1 112,01 € |
| 11 CV | 1 951 - 2 150 cm³ | 539,09 € | 1 239,00 € / 1 589,14 € |
| 12 CV | 2 151 - 2 350 cm³ | 662,64 € | 2 478,00 € / 3 178,28 € |
| 15 CV+ | ≥ 2 751 cm³ | ≥ 910,01 € | 4 957,00 € / 6 357,85 € |
Frequently Asked Questions
Important facts about vehicle taxes in Belgium.
How accurate is this Belgian car tax calculator?
Our engine uses the exact official formulas and brackets published by the regional tax authorities: Vlaamse Belastingdienst (Flanders), Bruxelles Fiscalité (Brussels), and SPW Finances (Wallonia).
When are car tax brackets adjusted for inflation in Belgium?
Every year on July 1st, annual road tax and registration tax brackets are officially indexed according to the Belgian consumer price index.