Originally Posted by JRINNS
You really are doing Man Math to justify the new car purchase ! ;-)
On that thinking I need to do some calculations as om my present project I do 1400 a month at 28MPG so a 330D will cut my fuel in half?
I reckon you spend about £350 a month on fuel (1400 miles at £1.40/l, doing 28MPG).
At 50MPG, you'll be spending under £200. £150 a month saving.