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Automotive glossary

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

2 concepts

Technology and mechanics

Wheelbase

Wheelbase is the longitudinal distance between a vehicle’s reference axles. In a two-axle car, it is measured between the front and rear axles.

Reviewed 05.10.2026
Regulations and type approval

WLTP

A harmonized test procedure for obtaining consumption, emissions, and, depending on the vehicle, range data under defined conditions.

Reviewed 05.10.2026

Our methodology