Call free 0800 262 262 quoting reference GWFREE, and receive your test drive invitation form by return. Then simply contact your local Citroen dealership to arrange a test drive of the new C3.
(When I called to book, I was told that the dealership would call me back to arrange the test drive)
On completion of the test drive, return your invitation and receive Gardeners' World Magazine completely free for six months.
Usual test drive conditions: over 18 years old with full, valid, clean UK driving licence.
The car's specs on: http://www.citroen.co.uk