The latest car to benefit from Vauxhall’s 1.6 CDTi ‘Whisper Diesel’ powerplant is the Astra GTC. Looking like a VXR but not having the higher emissions or fuel consumption, the GTC offers the best of both worlds. The new engine offers 320Nm torque (up 20Nm) and 136PS (an increase of 6PS), whilst the six speed […]