Road Trip to Germany - route and stop over suggestions

[Sprig1]

I am making plans for summer 2027. My son would like to visit the BMW museum in Germany and would like to plan a 7-10 day road trip around that.
We would be travelling from Wiltshire, through the tunnel to France. No plans beyond that. It would be nice to visit some other countries too. I don't want to be driving miles and mies every day.
I like countryside, peace and quiet and nice views. Ideally we would mostly stop rurally or in pretty little towns.
Any suggestions for routes, places to stop/stay would be gratefully received.
Also, any other suggestions for good car related stops? He would also like visit the Nurburgring andIunderstandthat the Porschemuseum is in Stuttgart. He will be 16 next year and this may well be our last overseas holiday as a family so happy to tailor it to him to some extent.
Just 1 x 16yo and 2x adults.
Thanks.

The Porsche Museum is in Stuttgart, and a good place to head for from the Tunnel is Sindelfingen, which is about a 8-hour drive from Calais and an hour or less from Stuttgart. Lots of reasonably priced hotels in the town and a charming old town centre with cafes and restaurants. The fabulous Mercedes Benz museum is also in Stuttgart.

I'd recommend getting the longest drive - Calais to mid-Germany - done on the first day and then touring around on a road trip to Ulm, Augsburg, Munich (for the BMW museum and much more), Ingolstadt (the AUDI museum is there) and elsewhere in Bavaria - or looking at a day or two in the Black Forest.

Fuel is very expensive on the Autobahn - up to 50 cents a litre more expensive than from regular petrol stations - so do not fill up on the motorway/autobahn. Instead, look for exits marked "Autohof" which will take you to service stations just off the autobahn where prices for fuel and food are much cheaper. Alternatively, fill up in a town where you stop overnight, away from the autobahn. For example, you should easily reach Sindelfingen/Stuttgart from Calais on one tank of fuel. If you take the route through Luxembourg, fill up there as it has some of the cheapest fuel in Europe. If you have an electric car the autobahn has large banks of charging points at the service stations, and German towns have plenty of public charging points.

Driving into German towns (e.g. Stuttgart and Munich) can require a green "Environment sticker" which can be purchased online. The same sticker is valid for all of the cities in Germany - the RAC website links to the official traffic office in Berlin where the sticker costs €5.95 > Online-application environmental zone sticker - Berlin.de Generally, driving in the centre of German cities is to be avoided - either use Park and Ride services, or if you stay outside of a city use public transport to travel around.

Munich is a great place to visit - look up Autoworld Hotel - but the actual BMW Museum is not great. The Mercedes Museum is really good and I think Porsche is meant to be good as well but BMW isn’t great. The VW Autocity is really good in Wolfsburg but rather out of your planned way.

As a first or last stop europaparc is good, in Germany but next to Strasbourg

Thanks all. I really appreciate your recommendations.

I can highly recommend the Teknikmuseum in Sinsheim, nr Heidelberg for young auto fans. It's so big it actually has two sites- one in Speyer, which is pretty in itself, one in Sinsheim which is not!

More cars of all kinds than you can shake a stick at, plus planes that you can go in (Inc Concorde), helicopters, tanks, a massive U- boat (in Sinsheim) and I think a space shuttle (in Speyer).

I am not really interested in that kind of stuff, but I still found enough to keep me entertained. It's challenging in a heatwave mind you, because it's all in metal hangars without AC, and the planes are all on the roof under the blazing sun 🥵