The LX 150 uses the same frame as the LX 50 but features a 150 cc engine capable of a listed maximum speed of 59 mph (95 km/h). The LX 150, like all modern Vespa scooters features a 4-stroke single overhead camshaft and steel frame construction. Vespa claims 70–75 mpg‑US (3.4–3.1 L/100 km; 84–90 mpg‑imp) fuel efficiency.
The LX models feature an automatic torque slave transmission and front disc and rear drum brakes.
Released in 2006, the LX is the Roman Numeral for 60, marking the sixtieth anniversary of the first Vespa scooter in 1946.