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AUTOSAR Classic Profile (RTA-CAR)

AUTOSAR Classic basic software solution

RTA-CAR is a compact, basic software for automotive series production, used in billions of ECUs worldwide. It supports multiple OEMs, integrates with existing processes and CI/CD pipelines, and is the basis for the AUTOSAR Classic Profile in ETAS's Vehicle Software Platform Suite.

Illustration of a car and the name from the ETAS product RTA-CAR

Key facts

50 per cent ECU

Up to 50% less ECU memory

RT-OS reduces memory usage up to 50%, helping you manage growing memory demands on resource-constrained ECUs.

350+ customers

350+ customers worldwide

Trusted AUTOSAR Classic solution for automotive manufacturers and suppliers across the globe in their series production projects.

30+ years

30 years of experience

Built on decades of automotive embedded software and AUTOSAR expertise.

4 billion ecus

4 billion ECUs in production

Proven at scale in series production across billions of automotive ECUs.

RTA-CAR: your complete AUTOSAR classic solution

Laptop with RTA-CAR Screenshot

RTA-CAR offers a comprehensive, AUTOSAR-compliant solution for ECU platform software, ideal for critical automotive domains like body, powertrain, and gateways. It meets stringent automotive safety (ISO26262 ASIL-D) and security (ISO21434, UN-R155) standards. RTA-CAR integrates seamlessly, adapts to project needs, and supports multiple OEMs. With fast customer service, it boasts outstanding efficiency, reducing ECU memory and processing power by up to 50% and completing large builds in minutes. RTA-CAR provides the performance, flexibility, and cost-effectiveness OEMs and Tiers need for AUTOSAR Classic.

Your benefits

Your project, our foundation

Take control of your ECU software platform with RTA-CAR, our highly configurable and flexible AUTOSAR Classic solution that allows for quick customization.

Fully scalable

Our single solution scales from small ECUs to central vehicle computers and adapts to any project size, offering a flexible pricing model to lower your total cost of ownership.

True flexibility

Our vendor-independent RTA-CAR software can be tailored to your exact needs, giving you full control over your AUTOSAR project.

Fast, small, safe, secure

Our high-performance solution offers a minimal footprint while ensuring optimal efficiency, safety, and security for your automotive systems.

Download white paper: Accelerating AUTOSAR development

Unlock high-Speed AUTOSAR development with CI/CD

Person clicking on tablet with AUTOSAR whitepaper

Unlock high-Speed AUTOSAR development with CI/CD

Is your team struggling to keep pace with the growing complexity and speed of automotive software development? As iteration cycles get shorter and validation demands increase, traditional DevOps approaches for AUTOSAR projects are falling behind. It's time to modernize your workflow. This white paper is your guide to implementing effective Continuous Integration and Continuous Delivery (CI/CD) pipelines in your AUTOSAR Classic environment.

Optimizing AUTOSAR Multicore distributions with RTA-CAR – Real-Life automotive insights

Youtube Thumbnail -  Optimizing AUTOSAR Multicore distributions with RTA-CAR – Real-Life automotive insights
YouTube

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Optimizing AUTOSAR Multicore distributions with RTA-CAR – Real-Life automotive insights

Multicore processing is no longer the future—it’s the present. But how can you optimize core distribution for maximum efficiency? Our white paper dives into practical strategies for optimizing core distribution, complete with real-world examples for both new and existing multicore systems.

"Illustration of a car and the name from the ETAS product RTA-CAR"

RTA-CAR: Deep Dive into Features & Integration

Unlock the full picture of RTA-CAR beyond the overview, understand its specific modules, efficient integration steps, and how our solution truly empowers your ECU development.

Maximum flexibility for your innovation: our partner network

Picture showing Realtek logo and NXP Gold Partner logo

Maximum flexibility for your innovation: our partner network

Through strong partnerships with over 40 industry partners, RTA-CAR supports more than 60 microcontrollers and compiler ports - advancing ECU development across the industry. As a trusted NXP gold partner, we offer advanced computing platforms, automotive-grade software tools, and AUTOSAR-based vehicle software. In collaboration with Realtek, we provide cutting-edge, Ethernet-based automotive communication solutions, combining Realtek’s proven switch technology and our embedded software and security expertise.

ETAS AUTOSAR runtime platform for new NXP SoC accelerates software-defined vehicle development

NXP Golden Partner

ETAS AUTOSAR runtime platform for new NXP SoC accelerates software-defined vehicle development

ETAS’ RTA-CAR automotive runtime platform is now available for the NXP® Semiconductors’ new S32N7 super-integration processor series for the intelligent vehicle core, enabling OEMs and Tier 1 suppliers to deliver high-performance, safety-critical real-time software on one of the industry's most advanced vehicle computers. The combination brings together ETAS's production-proven, high-performance, low-footprint, real-time RTA-CAR AUTOSAR technology with NXP's scalable, power-efficient and AI-capable solution, supporting the transition to software-defined vehicles (SDVs).

Driving ethernet innovation: NXP, Realtek & Broadcom on collaborating with ETAS RTA-CAR

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The partnership with ETAS was instrumental in achieving our aggressive timeline and ensuring the success of our corner radar project. This project not only exemplifies the power of collaboration but also highlights ETAS's commitment to delivering innovative solutions that meet the evolving needs of the automotive industry.

HU Guangmin , Director of Engineering Business Excellence at Bosch China

Your backbone for seamless and reliable integration

illustration of a car with code
ETAS Vehicle Software Platform Suite

Your backbone for seamless and reliable integration

Our embedded software and tools enable you to build safe, secure and state-of-the-art Vehicle Software Platforms upon which applications can be developed and deployed efficiently.

From AUTOSAR Classic to Adaptive, we deliver solutions for everything from microcontrollers to specialized solutions for ADAS and EDGE nodes. With local expertise in our regional engineering service hubs, we support you to accelerate your project success.

AUTOSAR Classic Knowledge Base

Download white paper: Accelerating AUTOSAR development

Unlock high-Speed AUTOSAR development with CI/CD

Person clicking on tablet with AUTOSAR whitepaper

Unlock high-Speed AUTOSAR development with CI/CD

Is your team struggling to keep pace with the growing complexity and speed of automotive software development? As iteration cycles get shorter and validation demands increase, traditional DevOps approaches for AUTOSAR projects are falling behind. It's time to modernize your workflow. This white paper is your guide to implementing effective Continuous Integration and Continuous Delivery (CI/CD) pipelines in your AUTOSAR Classic environment.

Optimizing AUTOSAR Multicore distributions with RTA-CAR – Real-Life automotive insights

Youtube Thumbnail -  Optimizing AUTOSAR Multicore distributions with RTA-CAR – Real-Life automotive insights
YouTube

Loading the video requires your consent. If you agree by clicking on the Play icon, the video will load and data will be transmitted to Google as well as information will be accessed and stored by Google on your device. Google may be able to link these data or information with existing data.

Optimizing AUTOSAR Multicore distributions with RTA-CAR – Real-Life automotive insights

Multicore processing is no longer the future—it’s the present. But how can you optimize core distribution for maximum efficiency? Our white paper dives into practical strategies for optimizing core distribution, complete with real-world examples for both new and existing multicore systems.

Our local experts - strong service, always on your side

Vipin Mathew

Vipin Mathew
Regional Solution Field Manager, ETAS North America

Vipin Mathew

At ETAS, our team takes pride in making you successful. With deep industry experience, we go beyond just providing products—we build partnerships that help you succeed.

From RFQ to production, we’re by your side, remotely or on-site, delivering tailored solutions like starter kits, training and expert guidance to make transitioning to our AUTOSAR Classic solution RTA-CAR faster and smoother. Your success is our success.

Marc Burgaezi

Marc Burgaezi
Regional Solution Field Manager, ETAS Germany

Marc Burgaezi

My personal motivation is to make our customers as satisfied as possible—not just with our products, but with every interaction they have with ETAS. Whether it’s through projects, our hotline, or direct exchanges, I want them to feel fully supported and confident in our solutions.

From my perspective, ETAS plays a key role in making the software in tomorrow’s vehicles even more efficient and reliable than it is today. That’s what drives me every day—to contribute to innovations that shape the future of mobility.

Stefano Piumetto

Stefano Piumetto
Regional Solution Field Manager Europe, ETAS Italy

Stefano Piumetto

Our regional AUTOSAR and middleware team ensures that our customers receive fast, expert support and solutions. We excel in pre-sales consulting, troubleshooting, knowledge transfer, and on-site assistance, combining deep technical expertise with a strong local presence. By fostering a culture of excellence and collaboration, we align our efforts with your needs—delivering efficient, high-quality service in your time zone and language, exactly when you need it.

Sisi Tao

Sisi Tao
Toolchain Software Engineer, ETAS China

Sisi Tao

As a Toolchain Software Engineer for RTA-CAR at the Shanghai hub, my primary focus is on enhancing the customer experience by developing customized scripts tailored to meet the specific requirements of Chinese customers. These scripts facilitate the automated generation of ARXML files, significantly improving development efficiency and customer satisfaction. Additionally, I provide dedicated support to address and resolve technical issues related to the use of the RTA-CAR toolchain, ensuring seamless integration and optimal performance.

Dr. Jeongho Son

Dr. Jeongho Son
Hub Manager Korea, ETAS Korea

Dr. Jeongho Son

As a Local Hub Manager in Korea, I help companies overcome challenges and achieve their goals. With deep insight into Korean business culture, I bridge local needs with global solutions, ensuring strong collaboration.

I take pride in delivering fast, high-quality engineering services by combining top-tier expertise with dedication. With 20+ years in embedded systems, operating systems, and computer networks, I bring hands-on experience to every project. My focus is on truly understanding our clients’ needs and providing tailored solutions that drive success.

Kazunari Isoda

Kazunari Isoda
Regional Solution Field Manager, ETAS Japan

Kazunari Isoda

I joined ETAS Japan in 2013 as a regional manager and am responsible for our middleware solutions, supporting our customers to implement our AUTOSAR solution, RTA-CAR.

At ETAS Japan, customer focus and flexibility set us apart. By carefully listening, we deliver tailored solutions that meet each customer's unique needs. Our ability to adapt and offer personalized, high-quality support is what sets us apart. No matter the challenge, we are always nearby and ready to support you.

Luke Kawwas

Portrait of Luke Kawwas
Associate Embedded Software Engineer // ETAS North America

Luke Kawwas

“When a customer tells us we made their life easier – that's when I know it's all worth it.“

Luke Kawwas is an Associate Embedded Software Engineer in Michigan, working on foundational bootloader software for real-world automotive challenges. His customer-first mindset and hands-on problem-solving define his daily work – always close to the impact, always ready to help shape the mobility of tomorrow.

Neveen Aljanini

Portrait of Neveen Aljanini
Product Owner CycurHSM Security Software // ETAS Germany

Neveen Aljanini

“It amazes me how much you can learn here every single day, and how many people are always willing to share their knowledge and support you along the way.”

Neveen Aljanini is product owner for CycurHSM Security Software in Feuerbach. With clarity, structure and a lot of curiosity, she helps build secure automotive systems – always in close exchange with customers and her team. For Neveen, cybersecurity isn’t just technical – it’s personal, collaborative, and full of growth.

Sandeep Nagabhushana

Portrait of Sandeep Nagabhushana
Senior Embedded Software Engineer // ETAS North America

Sandeep Nagabhushana

”Being close to our customers lets us fix issues fast and build real trust – that’s also one thing that gives us a competitive edge.”

Sandeep Nagabhushana is a Senior Embedded Software Engineer in Plymouth with over a decade of experience between Germany and the U.S. His deep expertise and personal dedication help solve complex customer problems fast and reliably – powered by global teamwork and a culture that feels like home.

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