The phrase "quicker throttle" means that the response of a vehicle's accelerator pedal is faster and more sensitive, resulting in the vehicle speeding up more quickly. Full definition
A new ball - bearing turbo, which reduces friction inside the turbo, brings quicker throttle response. (evo.co.uk)
The large motor and quick throttle response took some time getting used to but we managed to comfortably drive through bumper - to - bumper traffic. (overdrive.in)
Among its features are 10 standard airbags, a blind - spot warning system, precollision warnings, a hand - stitched instrument panel and a sport - driving mode with quicker throttle response and more dynamic steering inputs. (Autoweek.com)