Packing 138bhp, the new engine has variable valve timing. It replaces the 120bhp 1.8 unit.The new engine brings the 0-62mph sprint time down to 9.9 seconds and pushes top speed up to 131mph.
On top of the increased performance, the 1.8-litre engine improves fuel economy to 39.2mpg and reduces carbon dioxide emissions.
The Vectra and Signum with this new 1.8-litre engine are on sale now, with prices starting at £14,740 for the Vectra and £17,995 for the Signum.
Source: © topgear.com
