By itself, that may well be the case. However, just because the oil use Group 5 basestocks doesn't mean it won't have additives and other basestock to provide the desired performance characteristics. This oil has been used in the u.s. market for many years with great results. You only need to have a look at forums such as http://www.bobistheoilguy.com to gauge its performance.

This Redline oil far exceeds what we need on a day-to-day basis. The stock honda euro engine is unlikely to stress the oil, especially with the recommended oil drain intervals. Unless your engine is super funky (supercharged, turbo charged, super cams, etc) this oil will be perfectly suitable.