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Automotive Glossary

Plain-English definitions of the vehicle specs, finance terms, and safety ratings you'll see across our guides.

Resources Region: Global Updated July 2026 By the True Motion Auto editorial team
Quick answer

This glossary hub explains automotive terms in plain English with a real-world example for each one — from vehicle specs like torque and curb weight, to finance terms like APR and residual value, to safety-rating categories like overlap crash tests. Browse by category below or search for a specific term.

Glossary sections

CategoryExample terms
Vehicle specificationsHorsepower, torque, curb weight, wheelbase, drag coefficient
Safety ratingsOverlap crash test, star rating, ADAS, ISOFIX
Finance & ownershipAPR, residual value, depreciation, total cost of ownership
EV & hybrid termskWh, range, regenerative braking, Level 2 charging

Why we built a glossary

Automotive content is full of terms that are second nature to enthusiasts and confusing to everyone else — and manufacturer spec sheets rarely explain what a number actually means for day-to-day driving. This hub exists so a reader can look up a term without leaving mid-article.

How to use this glossary

  • Browse by category if you're exploring a general topic (e.g. all EV-related terms in one place)
  • Use the search box for a specific term if you already know what you're looking for
  • Each entry links back to related in-depth guides where the concept matters most (e.g. "torque" links to our engine and towing guides)

What makes a good glossary entry here

Every entry gives a plain-English definition first, then a real-world example of why it matters when buying, financing, or maintaining a vehicle — not just a dictionary-style definition copied from a manufacturer spec sheet.

Featured entry pages

Some terms are big enough to get their own full explainer rather than a short glossary entry — see our Vehicle Specification Glossary for detailed spec definitions and our Safety Ratings Explainer for a full breakdown of how crash-test ratings work.

Terms change slower than prices

Unlike pricing or incentive pages, glossary definitions are stable and reviewed roughly every 18-24 months rather than quarterly — see our Content Update Calendar.

Frequently asked questions

Is this glossary specific to one country's terminology?
No, most terms are universal; where a term differs by region (e.g. "boot" vs "trunk"), both are noted in the entry.
Can I request a term be added?
Yes, use the general contact form — glossary additions are reviewed and added during scheduled content updates.
Where can I find detailed spec definitions?
See the Vehicle Specification Glossary for a deeper breakdown of individual spec terms.