Just purchased a 2019 Toyota Avalon HYBRID XSE (Toyota version of Lexus ES350/ES300h). The gas engine (A25A-FKS, see https://newsroom.toyota.co.jp/en/powertrain/engine ) is a very high performance engine, ultra-efficient, Atkinson cycle 2.5-liter, four-cylinder gas engine, DOHC 16-Valve D-4S Dual Injection with VVT-iE, VVT-i
• High speed combustion technology
• Compression ratio 14 (NOT a mistake, 14 is correct!)
• Multi-hole direct injector
• Continuous variable capacity oil pump -Trochoid type
• Engine thermal efficiency 41%
• Overall MPG (Gas &Electric) 43/43/43 mpg
Toyota recommends:
• Oil grade: API SN/RC multigrade engine oil
• Viscosity: SAE 0W-16
What oils should be considered and why?
• High speed combustion technology
• Compression ratio 14 (NOT a mistake, 14 is correct!)
• Multi-hole direct injector
• Continuous variable capacity oil pump -Trochoid type
• Engine thermal efficiency 41%
• Overall MPG (Gas &Electric) 43/43/43 mpg
Toyota recommends:
• Oil grade: API SN/RC multigrade engine oil
• Viscosity: SAE 0W-16
What oils should be considered and why?