Toyota 1MZ-FE
At high mileage, the engine often begins an impressive oil burner.
Lexus RX engines
The Lexus RX is a Japanese car manufactured by Toyota Motor Corporation since 1998. In the 1st generation, the model was manufactured in the compact crossover class, and starting from the 2nd, in 2003, in the mid-size class. Since 2015, the 4th generation of cars has been produced, which significantly differs from previous versions not only in design and interior, but also in terms of handling and performance. The model is assembled in Japan and Canada. More than 2 million RX units have been sold worldwide.
The Lexus RX was offered with 10 engines since 1998 (10 petrol). Displacement ranges from 2.0 to 3.5 liters, power output from 168 to 315 hp. 8 use a timing chain and 2 a timing belt. 2 are turbocharged. The longest rated lifespan belongs to the Toyota 1MZ-FE (about 450,000 km).
Lexus RX engines by generation
| Engine | Years | Volume | Power | Fuel | Timing | Oil | Lifespan |
|---|---|---|---|---|---|---|---|
| Lexus RX300 1 (XU10) 1998–2003 | |||||||
| Toyota 1MZ-FE | 1998–2003 | 3.0 L V6 | 168–220 hp | petrol | belt | 4.7 L | ~450,000 km |
| Lexus RX 330 XU30 2003–2006 | |||||||
| Toyota 3MZ-FE | 2003–2006 | 3.3 L V6 | 225–255 hp | petrol | belt | 4.7 L | ~400,000 km |
| Lexus RX350 2 (XU30) 2006–2009 | |||||||
| Toyota 2GR-FE | 2006–2009 | 3.5 L V6 | 250–280 hp | petrol | chain | 6.1 L | ~400,000 km |
| Lexus RX270 3 (AL10) 2008–2015 | |||||||
| Toyota 1AR-FE | 2008–2015 | 2.7 L R4 | 180–190 hp | petrol | chain | 4.4 L | ~300,000 km |
| Lexus RX450h 3 (AL10) 2009–2015 | |||||||
| Toyota 2GR-FXE | 2009–2015 | 3.5 L V6 | 249–293 hp | petrol | chain | 6.3 L | ~400,000 km |
| Lexus RX200t 4 (AL20) 2015–present | |||||||
| Toyota 8AR-FTS | 2015–present | 2.0 L R4 | 231–245 hp | petrol, turbo | chain | 4.9 L | ~200,000 km |
| Lexus RX350 4 (AL20) 2015–present | |||||||
| Toyota 2GR-FKS | 2015–present | 3.5 L V6 | 280–315 hp | petrol | chain | 5.5 L | ~300,000 km |
| Lexus RX450h 4 (AL20) 2015–present | |||||||
| Toyota 2GR-FXS | 2015–present | 3.5 L V6 | 263 hp | petrol | chain | 5.4 L | ~300,000 km |
| Lexus RX350 5 (AL30) 2022–present | |||||||
| Toyota T24A-FTS | 2022–present | 2.4 L R4 | 270–280 hp | petrol, turbo | chain | 5.3 L | ~250,000 km |
| Lexus RX350h 5 (AL30) 2022–present | |||||||
| Toyota A25A-FXS | 2022–present | 2.5 L R4 | 174–189 hp | petrol | chain | 4.5 L | ~250,000 km |
Lexus RX engine FAQ
What engines were used in the Lexus RX?
Lexus RX300 1 (XU10) (1998–2003): Toyota 1MZ-FE; Lexus RX 330 XU30 (2003–2006): Toyota 3MZ-FE; Lexus RX350 2 (XU30) (2006–2009): Toyota 2GR-FE; Lexus RX270 3 (AL10) (2008–2015): Toyota 1AR-FE; Lexus RX450h 3 (AL10) (2009–2015): Toyota 2GR-FXE; Lexus RX200t 4 (AL20) (2015–present): Toyota 8AR-FTS; Lexus RX350 4 (AL20) (2015–present): Toyota 2GR-FKS; Lexus RX450h 4 (AL20) (2015–present): Toyota 2GR-FXS; Lexus RX350 5 (AL30) (2022–present): Toyota T24A-FTS; Lexus RX350h 5 (AL30) (2022–present): Toyota A25A-FXS.
Which Lexus RX engine is the most durable?
By rated service life the most durable Lexus RX engines are: Toyota 1MZ-FE — about 450,000 km; Toyota 2GR-FE — about 400,000 km; Toyota 2GR-FXE — about 400,000 km. Actual lifespan depends heavily on maintenance and oil change intervals.
How much oil does the Lexus RX engine take?
Engine oil capacity with filter: Toyota 1AR-FE — 4.4 L (5W-30); Toyota 1MZ-FE — 4.7 L (5W-30); Toyota 2GR-FE — 6.1 L (5W-20, 5W-30); Toyota 2GR-FKS — 5.5 L (0W-20); Toyota 2GR-FXE — 6.3 L (5W-20, 5W-30); Toyota 2GR-FXS — 5.4 L (0W-20); Toyota 3MZ-FE — 4.7 L (5W-30); Toyota 8AR-FTS — 4.9 L (5W-30); Toyota A25A-FXS — 4.5 L (0W-20); Toyota T24A-FTS — 5.3 L (0W-20).
Does the Lexus RX have a timing belt or chain?
Timing chain: Toyota 1AR-FE, Toyota 2GR-FE, Toyota 2GR-FKS, Toyota 2GR-FXE, Toyota 2GR-FXS, Toyota 8AR-FTS, Toyota A25A-FXS and Toyota T24A-FTS; timing belt: Toyota 1MZ-FE and Toyota 3MZ-FE. Belts must be replaced on schedule: on many engines a broken belt bends the valves.
Was the Lexus RX available with a diesel engine?
No, all Lexus RX engines in our database run on petrol.
Engine details
Toyota 3MZ-FE
On long runs, an impressive oil burn often begins.
Toyota 2GR-FE
In engines until 2010, the oil supply line to the phase regulators had a rubber part that could burst and the unit…
Toyota 2GR-FXE
Despite the fact that this is a rather late modification of the power unit of the 2GR line, scuffing in the fifth…
Toyota 8AR-FTS
A number of owners complain about extraneous sounds when the engine is running during a cold start.
Toyota 2GR-FKS
This power unit is considered reliable and serious damage was not noted.
Toyota 2GR-FXS
This is a reliable engine and at the moment it has not been marked with serious breakdowns.
Toyota A25A-FXS
Like all units with D-4S injection, it is quite demanding on the quality of gasoline.
Toyota T24A-FTS
Like all units with combined injection, it is demanding on fuel quality.
Models with the same engines
- Toyota Highlander/Kluger 10 shared engines
- Toyota Sienna 6 shared engines
- Lexus ES 5 shared engines
- Toyota Camry 5 shared engines
- Toyota Avalon 4 shared engines
- Toyota Harrier 4 shared engines
- Lexus GS 3 shared engines
- Lexus NX 3 shared engines
- Toyota Alphard 3 shared engines
- Toyota Crown 3 shared engines