Here is a selection of roadtests of the Renault Avantime from various magazines and websites:

The AA
Auto Express First Drive of 3.0 V6 (March 02)
Auto Express First drive of 2.0T (June 02)
Car Keys
CarPages
New Car Net
Automobile Magazine (American)
Autozine
Car and Driver (American)
Channel 4 - Thanks to the Way Back Machine for saving this slice of the web as 4Car has been shut down.
EVO
MSN Cars
Parkers
Telegraph
Yahoo Cars
21st Century
Fleetnews.co.uk 1
Fleetnews.co.uk 2 (Scroll down for Avantime review)
Honest John
Renault.com Historic Overview

If you have a magazine with a roadtest which is not here or have found another online one please let me know.