May 21, 2012 · That seems like an odd recommendation.. 5W-40 may flow a bit better than 10W-30 in freezing temperatures, but at 40C their kinematic viscosity is close. In fact, I bet a lot of 5W-40 are thicker than most 10W-30 at 40C or hotter. What's strange is that 5W40 is recommended instead of 5W30 or 0W30. This must be some kind of an old car and manual. Oct 13, 2022 · Note: As 0w20 is synthetic oil, try to use 5w30 synthetic engine oil to avoid any kind of issue. Can I use 5w40 instead of 5W-30 for BMW? BMW says you can use an: 0w40, 0w30, 5w30 or a 5w40 LL-1 oil in the USA. Jul 7, 2020 · During cruising, 0w20 is just as quiet as 5w40. MPG no different I've been one to bring up this topic more than it's worth. If I continue to use 0w20, it will be for 5k mile oci with a dexos1 quality level motor oil. If i use 508, i may go 7.5 to 10k. Not worried about engine failure or issues requiring oil recipes. Dec 7, 2021 · However, you can use 0w30 motor oil in times or places where the weather is freezing. On the other hand, you can use 0w40 motor oil for extreme weather because it is suitable for start-ups. Still, you should refer to your owner’s manual. 0w30 vs 0w40 Subaru. The most common recommended motor oil for all Subaru engines is 0w20 and 5w30. Jun 12, 2023 · When it comes to fuel efficiency, 5w20 Oil generally provides better performance compared to 5w40 Oil. The lower viscosity of 5w20 Oil reduces friction, allowing the engine to operate more efficiently and potentially improving fuel economy. However, the difference in fuel efficiency may be insignificant in everyday driving conditions. Mar 8, 2014 · Pennzoil Platinum® Full Synthetic motor oils with PurePlus™ Technology provide engines Complete Protection without compromise. Complete Protection is defined as coverage on five key areas consumers deemed as most critical for motor oil performance: 1) engine cleanliness, 2) fuel economy, 3) conservation of horsepower, 4) wear protection, and 5) performance in extreme temperatures. .

can i use 5w40 instead of 0w20