The 2023 Lexus RX 350 enters a new generation with a completely redesigned powertrain. Instead of the older V6 engine, Lexus introduced a modern 2.4L turbocharged inline-4 (T24A-FTS) that delivers strong performance, improved fuel efficiency, and smoother driving dynamics.
This SUV is one of Lexus’s best-selling luxury crossovers, known for its comfort, reliability, and premium driving experience. The new turbo engine brings more torque at low RPM, making it ideal for city driving and highway cruising.
In this guide, we cover full engine specs, oil type, oil capacity, oil change interval, fuel economy, maintenance cost, and common issues.
2023 Lexus RX 350 Overview
The 2023 RX 350 marks a major shift in Lexus engineering. It replaces the long-used 3.5L V6 with a smaller but more efficient turbocharged engine. Despite fewer cylinders, the new setup produces strong torque and better low-end response.
Built on Lexus’s TNGA-K platform, the RX 350 offers improved handling, reduced noise, and better ride comfort compared to previous generations.
Key Insight: The 2.4L turbo engine delivers 317 lb-ft torque at just 1,700 RPM, giving the RX 350 strong acceleration in everyday driving.
Engine Specifications
2023 Lexus RX 350 Engine Oil Type
Proper oil selection is critical for turbocharged engines to maintain performance and prevent premature wear.
0W-20 synthetic oil is required for optimal lubrication, turbo protection, and fuel efficiency across all temperature conditions.
Engine Oil Capacity
- Oil Capacity (with filter): ~5.6 quarts
- Always check dipstick after filling
- Do not overfill engine oil
Oil Change Interval
- Normal driving: 5,000–7,500 miles
- Severe driving conditions: 3,000–5,000 miles
- Lexus recommended service: up to 10,000 miles (synthetic)
Oil Change Cost
- DIY: $60 – $100
- Independent shop: $100 – $160
- Dealer service: $150 – $220
Common Problems
- Carbon buildup due to direct injection
- Turbo heat management under heavy load
- Slight oil consumption in high mileage engines
- Fuel economy drop in aggressive driving
- Sensor warnings (rare cases)
Maintenance Tips
- Always use 0W-20 full synthetic oil
- Replace oil filter every oil change
- Check oil every 1,000–2,000 miles
- Avoid hard acceleration when cold
- Keep air filter clean for better efficiency
Frequently Asked Questions (FAQ)
What oil does a 2023 Lexus RX 350 take?
The recommended oil is SAE 0W-20 full synthetic engine oil for best performance and turbo protection.
How much oil does RX 350 take?
It requires approximately 5.6 quarts with filter replacement.
Is Lexus RX 350 reliable?
Yes, it is considered highly reliable when maintained with regular synthetic oil changes.
How often should oil be changed?
Every 5,000 to 7,500 miles depending on driving conditions.
Final Thoughts
The 2023 Lexus RX 350 combines luxury, efficiency, and modern turbocharged performance. With proper oil maintenance and timely servicing, this SUV delivers long-term reliability and smooth driving comfort.
- Engine: 2.4L Turbo I4
- Power: 275 HP
- Torque: 317 lb-ft
- Oil Type: 0W-20 Full Synthetic
- Oil Capacity: 5.6 Quarts
- Oil Change: 5,000–7,500 miles