Automotive Engineering
The design, testing, and manufacturing behind cars and other road vehicles.
FIG. 01 — AUTOMOTIVE ENGINEERING
What It Is
Automotive engineering is about the design, testing, and manufacturing of cars and other road vehicles — engines, transmissions, safety systems, and, increasingly, electric and autonomous vehicle technology. It's typically pursued as a specialization within mechanical engineering, not its own separate degree.
What Engineers Work On
Automotive engineers work on one piece of a vehicle in a lot of depth, rather than on whole cars at once. A given engineer might own the cooling system, the door latch mechanism, the battery pack's thermal management, or the software that decides when the brakes intervene. The work runs from early design and simulation through prototype building, testing, and the long stretch of revision that follows — most of which is spent finding out why a part doesn't behave the way the model said it would, and changing it until it does.
Real-World Examples
- Engine and drivetrain design
- Vehicle safety and crash testing
- Electric vehicle battery and motor systems
- Advanced driver-assistance and autonomous vehicle systems
Common Misconceptions
Tap a card to see the reality behind each one.
Myth: Automotive engineers design how cars look.
Reality: Styling is largely a designer's job. Engineers usually work inside a shape that has already been signed off, and much of the skill is making the mechanism fit the space they're given.
Myth: The job is mostly about making cars fast.
Reality: Performance is one requirement competing with crash safety, emissions, cost, weight, reliability, and whether a factory can actually build the part.
Myth: You spend your days around finished cars.
Reality: Most of the work is on a component, a rig, a simulation, or a spreadsheet of test results. Some engineers go years without a whole vehicle in front of them.
Myth: Electric vehicles made automotive engineering easier.
Reality: It shifted the difficulty rather than removing it. Engines and transmissions gave way to battery chemistry, high-voltage safety, thermal management, and software.
A Day in the Life
Time is split between design and simulation work at a computer, time in a test lab or on a rig, and a fair number of meetings with the other teams whose parts touch yours. Test cycles set the rhythm: a rig runs, results come back, and the next few days go into understanding them. Deadlines tend to be tied to vehicle programme milestones, which can make some stretches much more intense than others.
One illustrative example day, not a guaranteed schedule — real days vary a lot by employer, role, and industry.
Test results
Reading through data from an overnight durability run on a test rig, looking for anything that drifted.
Reading through data from an overnight durability run on a test rig, looking for anything that drifted.
Presenting a revised bracket to the teams whose parts sit next to it — and finding out it now clashes with a wiring harness.
Rerunning a stress model with the changed shape to check it still meets its strength and weight targets.
Setting up the next round of tests on a prototype part with the lab technicians.
Working out whether a supplier can make the part to the tolerance the design needs, at the price the program allows.
Logging the change and the reason for it, so the part's history can be traced later.
Would you be happy owning one part of a vehicle in real depth for a long time, rather than working on the whole car?
Typical Projects
- Designing and validating a single component — a bracket, a pump, a latch — against strength, weight, and cost targets
- Running crash or durability tests and working through what the results say about the design
- Developing battery thermal management so a pack stays in its safe temperature range
- Tuning control software for braking, traction, or driver-assistance behaviour
- Reworking a design so it can actually be assembled on a production line at rate
Getting Ready
Useful Subjects
- Physics
- Calculus
- Chemistry
- Computer science or programming, if offered
- Technical drawing or CAD, if available
Helpful Skills
- Comfort with mechanics and thermodynamics, since most vehicle problems come down to forces, heat, or both
- Willingness to test and re-test, because a part that works in simulation often behaves differently on a rig
- Attention to tolerances and cost, since a design that can't be built repeatably and affordably won't ship
- Enough programming to be useful, as more of the vehicle's behaviour is now decided in software
- Working inside constraints set by other teams, which is a large part of the job's daily reality
Where This Field Shows Up
Industries
- Vehicle manufacturers
- Component and systems suppliers, which employ a large share of automotive engineers
- Electric vehicle and battery companies
- Motorsport and specialist vehicle builders
- Testing, certification, and regulatory bodies
Related Majors
- Mechanical Engineering (with an automotive focus)
- Electrical Engineering (some overlap for EV and autonomous systems)
Career Explorer
Design and Release Engineer
Owns a component or system through design, testing, and sign-off for production.
Test and Validation Engineer
Plans and runs the rig, track, and lab tests that prove a part or vehicle meets its requirements.
Powertrain or Battery Systems Engineer
Works on what moves the vehicle — engines and transmissions, or battery packs and electric motors.
Controls and Calibration Engineer
Tunes the software that decides how systems like braking, traction, or driver assistance behave.
Weighing It Up
Advantages
- The work ends up in objects people use every day, which makes it unusually easy to point at
- Skills transfer well, since the mechanical, thermal, and control fundamentals apply across aerospace, energy, and heavy equipment
- Testing is physical and immediate — you find out fairly quickly whether a design holds up
- The shift to electric and automated vehicles has opened real work for people who came in through software or electronics
Challenges
- Cost pressure is relentless, and a technically better design regularly loses to a cheaper one
- Safety and emissions regulation constrains a great deal of what you're allowed to do
- Vehicle programmes are long, so it can be years between your work and anything reaching a road
- Work is often concentrated in particular regions and companies, which can mean relocating to stay in the field
Things People Dislike
- Owning a small component for a long time, rather than working across a whole vehicle
- Watching a design you're proud of get changed to save a small amount per unit
- Long validation and paperwork cycles that sit between finishing a design and shipping it
- Crunch periods around programme milestones and launch dates
How Competitive Is It?
The U.S. Bureau of Labor Statistics counts automotive engineers within mechanical engineers, and projects 11% employment growth for mechanical engineers as a whole from 2025 to 2035 — much faster than average — with about 17,800 openings a year. That projection covers every kind of mechanical engineer, not automotive work specifically, so treat it as background rather than a forecast for this field. Automotive jobs also cluster around particular manufacturers, suppliers, and regions, and the skills in demand have been shifting as vehicles gain batteries and more software — research where the work actually is in your country before making decisions.
What You Could Earn
Automotive engineers are typically tracked under the broader 'mechanical engineers' category by the U.S. Bureau of Labor Statistics, not as their own separate occupation. See the Mechanical Engineering page for that sourced salary data.
Try It Yourself
- Look under the hood of a family car (with an adult, engine off and cool) and try to identify the battery, the coolant reservoir, and the air intake
- Build a rubber-band-powered car and test how changing its weight or wheels affects how far it goes
- Look up a published crash-test rating for a car (from NHTSA or IIHS in the U.S., or Euro NCAP in Europe) and read what the tests actually measure
Questions to Ask Yourself
- Would I be happy working on one component for a long time instead of the whole vehicle?
- Am I okay with cost and regulation overruling what I think is the better design?
- Do I like a mix of computer work, lab testing, and meetings with other teams?
- Would I be willing to move to where automotive companies are, if that's what the work required?
What Can I Do Next?
Grade level: High school
Grade systems vary by country — pick whichever tab is the closest match for where you are.
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A project to try
Design a simple car part, like a bracket or a wheel hub, in a free CAD tool and think through what loads it would have to carry.
A tool to learn
Tinkercad or Onshape (free education plan) — both run in a browser.
A club or activity
Take an auto shop or engineering class, or join a robotics or engineering team, if your school offers one.
How to actually find one near you →