Red Line 15305 SAE 5W30 Fully Synthetic Motor Oil - Gallon

This is without a doubt the best motor oil on the market. Over the years I've used various different brands of synthetic including Mobil 1, Castrol Syntec, Pennzoil Platinum, & Liqui Moly just to name a few, and Redline is the only brand I've tried that made the VQ37VHR motor in my Infiniti Q50 run smoother and quieter. I went from Mobil 1 Extended Performance to Redline and I immediately noticed smoother and quieter acceleration, and during idle the engine is barely audible. I have also noticed a slight improvement in fuel economy as well. It's hard to believe that going from one motor oil to another in the same viscosity could make any noticeable difference in engine operation but in my case it definitely did because the engine really does feel happier and healthier with the Redline oil.There's also a lot of good information out there that shows Redline oil can actually reduce oil temperatures as well as keep your engine cleaner. And the added detergents, ZDDP, molybdenum and ester molecules can really help to reduce friction & engine wear and keep the engine clean over time. But the synthetic ester base is what really makes the difference between Redline and all of the other motor oils out there, and it's what also accounts for the increase in price.The only downside is it's expensive when compared to most of the other synthetic brands out there, but this is an Ester-based Group V synthetic motor oil that is aviation grade, and you get what you pay for. For me it's worth spending the extra $15 per oil change and I'm definitely not planning on switching to any other motor oil again as long as the Redline continues to perform this good.

I've only ran this for a few hundred miles. I was using synthetic chevron delo 5-40 in a turbo Volvo v70 and was perfectly happy with the performance of the oil. I have too many people and too many vehicles to maintain in my immediate family. I needed to get a couple cars down to a once per year oil change schedule @ 10k miles with a long life oil filter of course. I'm hoping this oil will do this. I can't imagine it not being able to go 10k as that is the interval most newer BMW and Mercedes engines are under and I seriously doubt the stealerships are using such a high quality oil as redline.Anyway, what really got me almost instantly was how quiet the engine became especially being outside of the vehicle with motor idling. I can't believe how quiet it is. Performance and overall smoothness in acceleration is also much nicer. This is coming from someone already using a synthetic oil although not a true synthetic, even Mobil 1 and castrol syntec is not a true synthetic anymore but redline is! I'll be putting this oil in all of my gasoline powered vehicles. I'm impressed and I haven't used it long.Update-I still use this oil on my volvos. Performance is noticeable and I can change oil once a year. I use a wix or k&n filter with great results! You don't have to worry about turbo coking either with this oil, it's a true synthetic not hydrocracked dino oil they are allowed legally to call synthetic which is why other "synthetics" are lower in price. Get what you pay for.

Very solid oil for motorsports use. HTHS is 3.8 (which is essentially a 40w oil), so I'm less concerned with shear at higher temperatures. Healthy dose of ZDDP as well. Very competitively priced compared to other race grade or boutique oils. Would like to see it offered in 5qt jugs, rather than a gallon.

Have been using this oil in my 2014 Infiniti since new - 5k OCI. The price is double now! . Idk what I’m gonna do.edit 7/25: price is coming down to 60. I doubt will come down much lower. but who knows. the price is still now more than 33% higher than when I first started using it. however will continue to use.my qx50 2014 seems to like it at 90k miles now. I also use shell v power to keep engine clean.these vq37vhr engines are considered reliable but Nissan is not what it used to be.if you have one of these cars then when doing oil change you should tilt the car so the passenger side is lower. this will dispose of 4 0r 5 more ounces of old oil - give a good tilt.

Awesome

Arrived on time and not leaking!

Mini cooper s used a daily driver 40 to 60miles daily burning through a quart every few weeks, bought this with hopes high burn off temperature and I think it does the trick! 1500+ miles & oil levels still good.

This oil is somewhat pricey but worth the extra funds. REDLINE is a 100% synthetic motor oil and NOT a "full synthetic" oil that can be found at your local store.