What Stahle does

Stähle GmbH is a privately held, family-owned German engineering company founded in 1984 and headquartered in Wimsheim, Germany. The company designs, manufactures, and services robotic systems used by automotive manufacturers and Tier-1 suppliers to automate vehicle testing on chassis dynamometers and proving grounds. Its core product platform consists of modular driving robots (SAP2000 series for passenger cars, trucks, light commercial vehicles, and motorcycles), high-dynamic steering robots (SSP series), pedal and gear-shifting actuators (AP and SA series), free-drive autonomous test systems (SFP / SFPhybrid), and the newer SDrive drive-by-wire platform, all controlled by a unified proprietary software architecture. Across more than 40 years, the company has accumulated an installed base of over 1,400 robotic systems serving more than 200 customers in over 40 countries across five continents.

The company's value proposition is built on precision (speed tolerance ±0.5 km/h, lane-keeping ±2 cm), reproducibility for WLTP, EPA, FTP-75, and ADAS test protocols, rapid installation, and integrated safety features including redundant braking and watchdogs. Revenue is generated through one-time capital-equipment sales of these engineered robotic systems, supplemented by integration, training, and ongoing service contracts (including remote diagnostics and firmware updates). Stähle is ISO 9001:2015 and ISO 14001 certified, holds multiple patents on mounting hardware, and maintains native integrations with leading IMU providers (GeneSys, iMAR, OXTS) and ADAS test orchestration platforms (4activeSystems, ASI). The company is a founding member of the Driveability Testing Alliance (dta-group), a partnership bundling complementary hardware and software for ADAS and autonomous-driving test scenarios.

The business is operated under multi-generational family leadership (Dieter, Klaus, and Kurt Stähle as authorized representatives), with no external investors or funding rounds disclosed. GTM motion is enterprise field sales to OEM and Tier-1 R&D and procurement organizations, supported by a worldwide distribution and service network. The recent 2025 SDrive series-production launch and the dta alliance represent Stähle's principal forward-looking moves to extend from mechanical robotic actuation into software-defined, drive-by-wire test automation within an automotive testing market shaped by tightening EuroNCAP, WLTP, and ADAS validation requirements.

Name

Stahle

Legal name

Stähle GmbH

Website

https://staehle-robots.com

Company type

Private

Founded year

1984

Operating status

Operating

Headcount range

11–50 employees

Short description

Stähle GmbH is a family-owned German engineering company that designs and manufactures modular robotic systems — driving, steering, pedal, and shift robots, plus free-drive test platforms — used by global automotive OEMs and Tier-1 suppliers to automate WLTP, ADAS, and powertrain validation testing.

Ownership category

akta.pro rank

Product category

Automotive Test Robotics / Automated Vehicle Testing Equipment

NAICS

Other Measuring and Controlling Device Manufacturing (334519), Other General Purpose Machinery Manufacturing (3339)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Special Industry Machinery, Nec (3559)

akta.pro primary industry

Robot Hardware, Actuators & Components (sensors, grippers, motors) (HDAAAIAL)

akta.pro secondary industries

Robot Software, Autonomy Stacks & Simulation (ROS, digital twins) (HDAAAIAK), Motion & Machine Control (CNC, Robotics Controllers, Servo/Motion Controllers) (IMAGABAG)

Keywords

• Automotive test robotics
• Vehicle driving robots
• ADAS validation systems
• Chassis dynamometer testing
• Autonomous free-ride robots

Headquarters

HQ city

Wimsheim

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Technology or R&D, Supply Chain, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Robotic Systems Hardware Sales: Sale of specialized robotic systems including drive robots, steering robots, pedal robots, shift robots, and free-drive systems along with accessories and mounting hardware. Hardware is sold as a one-time capital purchase with modular extensions.
2. Software & Integration Services: Centralized test software controlling drive, steering, and pedal robots, along with integration into customer test environments, remote diagnostics, and firmware updates. Provided as part of the system package or ongoing support contracts.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Stähle GmbH produces and supplies specialized robotic systems for automated vehicle testing, including driving robots (SAP series), steering robots (SSP series), pedal actuators (AP series), gear-shifting robots (SA series), and autonomous free-ride systems (SFP/SDrive). These robotic systems operate on chassis dynamometers and test tracks to enable reproducible, driverless execution of WLTP, ADAS, and powertrain validation cycles. All products share a unified modular software architecture and can be combined with standardized or manufacturer-specific interfaces for OEMs and Tier-1 suppliers.

Product overview

Stähle GmbH is a German company that manufactures robotic systems for automated vehicle testing, operating under the 'Stähle Autopilot' brand. Their product portfolio consists of specialized modular robotic systems designed for vehicle testing on dynamometers and test tracks. The core offerings include: (1) Autopilot/SAP series driving robots for passenger cars, trucks, and motorcycles that control acceleration, braking, and steering on chassis dynamometers; (2) SSP series steering robots providing high-dynamic computer-controlled steering for handling tests and driving dynamics investigations; (3) Free-ride systems (SFP/SFPhybrid) enabling autonomous or driverless vehicle operation on test tracks for ADAS and NCAP testing; (4) Pedal and gear-shifting robots (AP series) for precise brake/gas/clutch control; (5) SA series gear-shifting robots for automated transmission testing; (6) EMV-compatible positioning units for electromagnetic compatibility testing; and (7) Various accessories including measurement devices, safety equipment, mounting adapters, and IMU integration solutions. All systems share a unified software architecture and can be combined modularly for different testing requirements, from WLTP range tests on dynamometers to high-dynamic ADAS scenarios on test tracks.

Differentiator

Problem solved

Functional benefit

Products and services

• SAP2000 Passenger Car Autopilot Autopilot system for passenger cars (PKW) providing automated driving control on chassis dynamometers and test tracks for WLTP/EPA/FTP-75 cycle execution, speed tolerance ±0.5 km/h, and reproducible test runs without driver influence. Designed for automotive OEM test laboratories.
• SAP2000T Truck Autopilot Autopilot system designed specifically for trucks and heavy vehicles (LKW), enabling automated driving and cycle testing on dynamometers with reproducible speed control.
• SAP2000LC Light Commercial Vehicle Autopilot Autopilot system for light commercial vehicles providing automated driving control for testing applications on dynamometers and proving grounds.
• SMC2000 Motorcycle Autopilot Autopilot system specifically designed for motorcycles, enabling automated driving control for emissions testing (WLTP) and dynamics investigations on dynamometers and test tracks.
• SAP-RAPID Quick-Install Autopilot Rapid-deployment autopilot system for automated driving tests with quick installation capabilities, designed for test labs requiring fast changeover between vehicles.
• SAP-RAPID-HE-TRUCK Truck & Bus Autopilot High-efficiency autopilot for trucks and buses with rapid deployment capabilities for heavy-duty vehicle testing applications.
• SSP2000 Steering Robot High-dynamic steering robot for computer-controlled steering in vehicles, designed for steering dynamics and driving dynamics investigations as well as legal handling tests; compatible with Corrsys-Datron MSW-1 and MSW-2 measurement steering wheels.
• SSP3000 Steering Robot High-dynamic steering robot with universal adapter to original steering wheel and active suction device for rapid installation; designed for steering dynamics and driving dynamics testing.
• SSP-FF Lightweight Steering Robot Lightweight steering robot for autonomous driving applications, featuring low weight and energy consumption, designed for operation with autopilots on test tracks and free-ride systems.
• SSP-FrontFree Steering Robot Steering robot specifically designed to not restrict or influence the function of the vehicle's steering wheel airbag when the actuator is mounted.
• SFP2000FF Autonomous Free-Ride System (Passenger Car) Autonomous free-ride system for passenger cars combining SAP2000 autopilot mechanics with SSP-FF steering actuator, featuring integrated safety functions, software/hardware watchdogs, and redundant braking system for driverless proving-ground testing.
• SFPhybrid Free-Ride System (Passenger Car) Automated free-ride system for passenger cars enabling autonomous or accompanied driving tests on test tracks with hybrid operation capability (driverless or with safety driver).
• SFPhybrid LKW Free-Ride System (Truck) Automated free-ride system for trucks combining hybrid series actuators with SSP-FrontFree steering actuator, enabling autonomous or accompanied driving tests for trucks on proving-ground courses.
• SDrive Drive-by-Wire Automated Driving System Drive-by-wire automated driving system that converts any drive-by-wire vehicle into an automated path-following vehicle, based on the SFP Hybrid robot control system; integrates into automated fleets using CAN signals without mechanical actuation. Launched into series production in 2025.
• SA-RAPID Gear-Shifting Robot High-speed gear shifting robot for transmission testing, supporting manual 5- to 7-gear transmissions with up to 1 million test cycles; offers real-time data capture for wear analysis and is suited to endurance testing of transmission and drivetrain components.
• SA-EL-1T Motorcycle Gear Shifting Robot Gear shifting robot specifically designed for motorcycle transmissions, extending automated shifting automation to motorcycle drivetrain testing.
• AP-SA Gear-Shifting Automatic Gear shifting automatic for transmission and drivetrain test stands; automates shifting for component-level endurance and durability tests.
• AP-G/2.10 Gas Pedal Actuator Positioning unit for gas pedal automation, enabling precise control of accelerator inputs in testing scenarios.
• AP-GB/2.10 Combined Gas and Brake Pedal Actuator Positioning unit for combined gas and brake pedal control, enabling automated braking and acceleration in test cycles with up to 2,000 N braking force capability.
• AP-B/FR Brake Pedal Actuator Positioning unit for brake pedal control, enabling automated braking operations up to 2,000 N of force for endurance and dynamics tests.
• MC-G/2.10 Motorcycle Gas Grip Actuator Positioning unit for motorcycle gas grip control, designed for motorcycle emissions and dynamics testing on dynamometers and test tracks.
• SAM-AC Universal Pull/Push/Rotate Actuator Universal pull/push/rotate actuator for test stands, pedals, cable or potentiometer connections; temperature-resistant mechanics with fail-safe spring return to home position when unpowered.
• SMRE-TTL Dynamometer Measurement Wheel Measurement wheel for dynamometers, providing independent measurement of roller surface speed with TTL pulse output for precise vehicle speed correlation measurements.
• FPM1 Vehicle Position Sensor Vehicle position sensor for detecting excessive vehicle movement on dynamometers, integrating with local quick-stop or emergency stop circuits for test-cell safety.
• P-A1316 / P-A1355 Emergency Brake Actuator Emergency brake actuator providing pneumatic redundant braking for driverless vehicles; installation takes under 3 minutes with no vehicle modifications required.

Quantifiable outcome

• Speed accuracy of ±0.5 km/h enabling strict WLTP protocol compliance
• +4 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature6 records

Partnerships

Four partnerships are on record, tiered core.

• Driveability Testing Alliance (dta)coreStrategic or Co-development PartnerStähle is a founding member of the Driveability Testing Alliance (dta-group.eu), a competence partnership comprising four companies: Auto Mobil Research Dresden (AMFD), GeneSys Elektronik, 4activeSystems, and Stähle GmbH. The alliance combines expertise to provide a complete plug-and-play solution including all required hardware and software components for comprehensive testing scenarios and associated assessment schemes.
• 4activeSystemscoreTechnology or IntegrationIntegration partnership for ADAS and Open Scenario testing. 4activeSystems provides central control systems for targets and Stähle robots in ADAS tests, open scenario tests, endurance fleets, and related applications.
• GeneSys ElektronikcoreTechnology or IntegrationGeneSys provides ADMA (Attitude and Heading Reference Systems) and IMU sensors with which Stähle's free-drive systems are designed to integrate seamlessly. GeneSys IMUs are natively supported by Stähle's integration interface.
• iMARcoreTechnology or IntegrationiMAR provides IMU (Inertial Measurement Unit) sensors for navigation and positioning. Stähle's free-drive systems include integration interfaces designed to communicate with iMAR IMUs.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• AVL List: Large Austrian powertrain and vehicle test-systems provider; overlaps in automotive test/measurement but as part of a much broader engineering and instrumentation portfolio.
• MTS Systems: Maker of test systems, actuators and simulation equipment for automotive durability and dynamics testing; overlaps in actuation and vehicle test infrastructure.
• Horiba: Global supplier of automotive emissions and test-bench systems including chassis dynamometer solutions; broad incumbent overlapping with Stähle's WLTP/emissions testing use cases.

Others

• 4activeSystems: Austrian provider of ADAS test targets and central control systems and a Stähle alliance partner; adjacent/complementary in ADAS test scenarios rather than a direct robot competitor.
• dSPACE: German provider of hardware-in-the-loop and simulation tools for ADAS/AV development; adjacent in the vehicle validation toolchain rather than physical driving robots.
• Racelogic: UK maker of VBOX GPS/inertial measurement systems used in vehicle-dynamics and ADAS testing; enabling measurement technology that complements Stähle robots.
• Moog: Global precision-actuation and motion-control supplier used in vehicle test rigs; shares actuator/motion-control technology overlap with Stähle's robotic hardware.

Direct peers

• AB Dynamics: UK-based maker of driving, steering, pedal and brake robots plus ADAS test targets for automotive test tracks and labs; directly competes with Stähle's core robotic vehicle-testing product line.
• Vehico: German supplier of driving robots and vehicle-dynamics test automation for OEMs; overlaps closely with Stähle in geography, customers, and product category.
• Humanetics: Provider of ADAS test targets, crash dummies and vehicle-safety test instrumentation; competes in the automated ADAS/vehicle-validation testing space Stähle serves.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/stähle

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Stahle