Vehicle tax in the canton of Aargau: how is it calculated?
For a passenger car, the canton uses: total weight and power, with relief for electric and plug-in hybrid cars.
Worked examples 2026
Estimated amounts for typical vehicles first registered in 2022. Open an example to see the calculation in detail.
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Small petrol car70 kW, 999 cm³, empty weight 1'150 kg, total weight 1'620 kg, CO₂ 125 g/km (WLTP) CHF 209.00
- Weight component (1'620 kg)CHF 108.70
- Power component (70 kW)CHF 100.00
- Total per yearCHF 209.00
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Petrol family car110 kW, 1'498 cm³, empty weight 1'320 kg, total weight 1'850 kg, CO₂ 132 g/km (WLTP) CHF 268.00
- Weight component (1'850 kg)CHF 128.25
- Power component (110 kW)CHF 140.00
- Total per yearCHF 268.00
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Diesel SUV150 kW, 1'968 cm³, empty weight 1'900 kg, total weight 2'500 kg, CO₂ 170 g/km (WLTP) CHF 364.00
- Weight component (2'500 kg)CHF 183.50
- Power component (150 kW)CHF 180.00
- Total per yearCHF 364.00
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Electric car208 kW, empty weight 1'850 kg, total weight 2'255 kg CHF 300.00
- Weight component (2'255 kg, counted at 80 %)CHF 124.34
- Power component (208 kW, counted at 70 %)CHF 175.60
- Total per yearCHF 300.00
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125 scooter9 kW, 125 cm³, total weight 300 kg CHF 50.00
- Weight component (300 kg)CHF 25.00
- Power component (9 kW)CHF 25.00
- Total per yearCHF 50.00
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Large motorcycle100 kW, 1'254 cm³, total weight 465 kg CHF 121.00
- Weight component (465 kg)CHF 52.00
- Power component (100 kW)CHF 69.00
- Total per yearCHF 121.00
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3.5-tonne van110 kW, 2'143 cm³, empty weight 2'100 kg, total weight 3'500 kg CHF 348.00
- Tax based on payload (1'400 kg)CHF 348.00
- Total per yearCHF 348.00
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3.5-tonne motorhome103 kW, 2'287 cm³, empty weight 2'900 kg, total weight 3'500 kg CHF 402.00
- Weight component (3'500 kg)CHF 268.50
- Power component (103 kW)CHF 133.00
- Total per yearCHF 402.00
Comparison with the other cantons
For the typical family car, Aargau ranks 7 out of 26 (1 = cheapest). Average of the cantons: CHF 349.37.
Frequently asked questions
How is vehicle tax calculated in the canton of Aargau?
For a passenger car, the canton uses: total weight and power, with relief for electric and plug-in hybrid cars. Motorcycles, vans and motorhomes have their own scales, detailed in the examples.
How much do plates cost for an electric car in the canton of Aargau?
For a typical electric car (208 kW, empty weight 1'850 kg, total weight 2'255 kg), the 2026 tax is estimated at CHF 300.00 per year.
How much do plates cost for a motorcycle in the canton of Aargau?
About CHF 50.00 per year for a 125 scooter, and CHF 121.00 for a large motorcycle (2026 examples).
Where can I find my vehicle’s data?
All the data you need is on the registration document. On calculplaques.ch, just enter the make and model, or the code from box 24: the official data is found automatically.
Is the amount official?
No: it is an independent estimate based on the canton’s 2026 rates. Only the decision of the cantonal vehicle office is binding.
Independent estimates based on the 2026 cantonal rates (official websites and the TCS comparison). Only the decision of the cantonal vehicle office is binding. Reductions that depend on the energy category or the exact date of first registration may vary. See the source