Originally Posted by SolbergFanBoi

I'm a major proponent of synthetics... Very robust additive packages in comparison to the cheaper dino oils. Higher amount of detergents to clean things up, better protection at very low (50% of engine wear happens on cold starts) and high temperatures and have the ability of extended drain intervals. The Rotella T6 Synthetic, is in a navy blue 1 gallon jug and is the most readily synthetic diesel oil available on the market. O'Reily Auto Parts, Advanced Auto will both carry the Rotella usually around $29.99/gallon and as cheap as $19.99/gallon. Mobil Delvac 1 5W-40 and Chevron Delo 400 5W-40 synthetic are also very good choices if you're wanting to run the heavy duty engine oils. For regular passenger car synthetics that will perform very well is the Mobil 1 0W-40 and Pennzoil Ultra 5W-40, both are great choices. Also, if you are using a cheap oil filter it can result in increased engine noise. M1 Extended Performance filters are spendy but are very high in quality, OEM, Bosch and Purolator filters are all very good as well.

Originally Posted by ebg18t

I have always used Elf/Total synthetics in my Audi. But being new to the Rover world I am open to Other brands. Rotella t6 look great, but I can't find the heavier 15w40 in the blue bottle. I can only find regular Dino rotella and t6 in the 5w40.. I need to change the oil this weekend. I wonder here else I can look, or am I looking for some thing That doesn't exit?