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Automotive glossary

Understand the concepts used in our guides and calculators. Documented definitions, examples, and related reading.

4 concepts

Technology and mechanics

Torque

A quantity describing the turning action produced by an engine, usually expressed in newton-metres.

Reviewed 05.10.2026
Buying and costs

Total cost of ownership

Total cost of ownership brings together the costs of acquiring, financing, using, and maintaining a vehicle over a defined period, taking into account the value it retains at the end.

Reviewed 05.10.2026
Payload and caravanning

Towable mass

Towable mass is the mass limit for a trailer that a vehicle is authorized or technically capable of towing, according to the applicable documentation.

Reviewed 05.10.2026
Technology and mechanics

Turbocharger

A device that uses a turbine driven by exhaust gases to power an intake-air compressor.

Reviewed 05.10.2026

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