Vehicle testing and road tests at the highest level

Road tests with prototypes and close-to-production vehicles on public roads or on test tracks are indispensable for the development of new series of vehicles. straesser is a specialist in conducting road tests around the globe for passenger cars, light and heavy-duty commercial vehicles, and motorcycles. With more than 25 million kilometres driven annually, we belong worldwide to the leading service providers in the field of on-road testing. We support our customers from the automotive industry to develop vehicles through all kinds of tests and testing of all installed systems, assemblies, and components. In addition, straesser also offers testing of lubricants and wear parts.


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Our competences


Welcome to straesser!


We look forward to you!

Our experience and expertise in road tests

For road tests, validation, type approval tests, and endurance runs in traffic on public roadways or on closed test tracks, straesser is the natural choice for automobile manufacturers, suppliers, and engineering service providers. Our employees have many years of experience in road tests and vehicle testing. Highly qualified, they provide reliable results for our customers. In addition to technical training in motor vehicles, our test drivers have driving licences in accordance with the German OEM standard and fulfil all mandatory requirements such as G25 certificates, first-aid training, etc.

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Complete service provider of road tests

We support the automotive industry to create safe, low-emissions and even emission-free, networked individual transport. As a complete service provider in vehicle testing, we offer not only professional staff but also the necessary expertise and many years of experience in test driving. This has given rise to comprehensive vehicle testing services, engineering services, and workshop services.

Full service for road testing electric vehicles

To model all scenarios while road testing electric vehicles, trials are conducted around the globe. Whether in hot, cold, or wet climates, on high-speed test tracks, or in urban test environments for ADAS tests – the battery electric vehicle has to be able to be charged anywhere and everywhere. This is precisely why the straesser DriveOn – Mobile Electric Vehicle Charging system has been developed. Even in the most remote regions of the world, straesser DriveOn is able to charge test vehicles containing electric batteries rapidly, flexibly, and on the go with High Power Charging. For road testing and road trialling electric vehicles, straesser offers a full-service package:

  • Preparing and providing the charging container
  • Transporting the vehicle
  • Conducting the tests, including providing the drivers (also with local drivers for maximum cost savings)
  • Retrieving all components
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Your added value working together with straesser:

  • Over 15 years of experience in conducting automotive road tests and test runs
  • National, pan-European, and worldwide road tests on public roadways and proving grounds
  • 280 of our own test drivers
  • Precise findings which are analysed, prepared, and evaluated according to customer requirements
  • Support and advice in further developing the test runs or in creating load profiles
  • Cooperation on the basis of a contract for work and services with a service contract and/or approval for temporary employment
  • Special permit in accordance with § 47 FVZ [German Vehicle Registration Law] and § 70 StVZO [German traffic regulations] for M1 and N1 vehicles
  • straesser facilities are TISAX-certified and secure for prototypes, and have complete workshop equipment independent of external influences
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You want to know more about the Services and Benefits straesser has to offer in the field of vehicle testing?
Our experts are pleased to be at your disposal.

+49 7151 9442 39-0
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Stronger together

Since September 2017, ATESTEO, the leading service provider in drivetrain testing, is the majority owner of straesser Group. In a mutual network with ATESTEO, we are therefore in a position to offer our customers all services that go beyond vehicle testing and road tests — from the analysis of measurement data to the development of elimination measures for detected abnormalities.
Together, we wish to grow further with the merger and expand our leading position in the market. In this regard, straesser is especially focused on the fields of autonomous driving and alternative drive systems as concerns road tests. In the future as well, Rolf Strässer will act as managing partner of the straesser Group and continue to manage the company.


ATESTEO GmbH & Co. KG, located in Alsdorf, Germany, is the worldwide leading independent specialist for drivetrain testing with more than 150 of its own drivetrain testing test benches in Germany and China. ATESTEO’s extensive range of customers includes not only OEMs, but also Tier 1 and Tier 2 automotive suppliers and all major gear manufacturers. ATESTEO offers quality validation through efficient endurance tests and functional tests of manual and automatic transmissions, differentials, and hybrid powertrains.

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Further information on the road test is available in the performance brochure or on the ATESTEO website.

Performance Brochure
Vehicle testing at ATESTEO