Is the plate check free?

Yes. It is free, needs no account and no plate is stored. The data comes straight from the RDW open register.

Where do the power figures come from?

Factory power comes from the fuel data the RDW links to your plate, part of the same open vehicle register. Power per litre and power per tonne we calculate from that, based on the RDW-registered kerb weight.

Why is there no power figure for my car?

The RDW does not record power for every vehicle, particularly older ones. That says nothing about the car; we measure it on the dyno.

Are the Stage 1 and Stage 2 figures guaranteed?

No. It is an indicative range for this type of engine, not for your specific car.

Why is there no figure for Stage 3?

Because Stage 3 is an engineering project: hardware, calibration and electronics matched to each other. We do not put a number on that without seeing the car.

Free tool · live RDW data

Plate check: how much power does your car have, and what can come out of it?

Enter your Dutch number plate and see straight away what the RDW records about your engine: capacity, fuel, mass and factory power. Alongside that we show what an engine of this type typically does after Stage 1 and Stage 2.

Data comes live from the RDW open vehicle register. Power gains are never guaranteed and depend on hardware, fuel, condition and cooling.

In short

VPR-Engineering's plate check looks up the official vehicle data for your Dutch number plate live from the RDW open register and shows factory power in hp and kW, plus derived figures such as power per litre and power per tonne. For Stage 1 and Stage 2 we show an indicative range for that type of engine, not a promise about your specific car. The tool is free, needs no account and stores no plate. Stage 3 deliberately carries no figure: it is bespoke work and starts with a conversation.

How it works

Enter your plate: six characters; we add the dashes.
We query the RDW open vehicle register live.
You see factory power, engine data and indicative Stage 1 and Stage 2.
Want to know what your car really does? Then we measure it on our dyno.

Frequently asked questions about the plate check

Is the plate check free?: Yes. It is free, needs no account and no plate is stored. The data comes straight from the RDW open register.
Where do the power figures come from?: Factory power (in kW, converted to hp) sits in the fuel data the RDW links to your plate — a separate table within the same open vehicle register, not the base register itself. Power per litre and power per tonne we calculate from that, using the RDW-registered kerb weight (mass ledig voertuig). All three are a calculation on real RDW figures, not an estimate.
Why is there no power figure for my car?: The RDW does not record power for every vehicle, particularly older ones. That says nothing about the car itself. We simply measure it on the dyno.
Are the Stage 1 and Stage 2 figures guaranteed?: No. It is an indicative range for this type of engine, not for your specific car. What your car actually does depends on hardware, fuel, condition and cooling, and is only known after a measurement.
Why is there no figure for Stage 3?: Because Stage 3 is not a software file but an engineering project: hardware, calibration and electronics matched to each other. We do not put a number on that without seeing the car.
Does the check work for non-Dutch plates?: No, Dutch plates only. The RDW register covers vehicles registered in the Netherlands.

What we do not do here

We show no invented figures. Where we do not know something, it says so, and where a number is an estimate, the word indicative is next to it. That is the same rule that governs our dyno graphs: measured, or not shown.