What engine does the Lexus LS460 have?
The Lexus LS460 uses a 4.6-liter V8 engine, code-named 1UR-FSE, delivering about 380 horsepower and 367 lb-ft of torque. This engine is paired with an eight-speed automatic transmission to provide refined, quiet performance appropriate for a flagship luxury sedan.
The LS460, launched for the 2007 model year, marked a shift to a larger, more modern V8 and a focus on smooth, effortless acceleration. Its 4.6 L V8 combines advanced valve timing and modern fuel delivery to deliver strong mid-range torque while preserving the quiet, refined ride Lexus buyers expect. The engine is shared across the LS460 and the extended-wheelbase LS460L, with only minor year-to-year adjustments in output and tuning.
Engine specifications
Key technical details of the LS460's 4.6-liter V8 are listed below.
- Displacement: 4.6 liters (approximately 4608 cc)
- Configuration: V8
- Engine code: 1UR-FSE
- Valvetrain: Dual Variable Valve Timing with intelligence (VVT-i) on both banks
- Fuel system: gasoline direct injection with precise fuel delivery
- Power output: approximately 380 horsepower (varies slightly by market and year)
- Torque: approximately 367 lb-ft (about 498 Nm)
- Transmission: 8-speed automatic transmission
These specifications underpin the LS460’s blend of refined highway cruising and responsive performance, fitting Lexus’s luxury-forward philosophy. Variations can occur by model year and market due to emissions and tuning differences.
Evolution and context
The 4.6-liter V8 in the LS460 represented a generation upgrade from the LS430’s powerplant, emphasizing smoother operation and greater low-end torque for effortless acceleration at typical cruising speeds. Over its production run, Lexus fine-tuned the engine and drivetrain to balance performance with the quiet, cushioned ride that defines the LS lineup. The LS460L, with its extended wheelbase, shared the same powertrain while offering more rear-seat comfort for luxury buyers.
Market and year variations
Across model years and regions, Lexus occasionally adjusted tuning and output slightly, but the core configuration remained a 4.6-liter V8 delivering around 380 hp and 367 lb-ft of torque. This consistency helped maintain the LS460’s reputation for composed power and refined performance.
Summary
The LS460’s heart is a 4.6-liter V8 engine, code 1UR-FSE, delivering about 380 horsepower and 367 lb-ft of torque. Paired with an eight-speed automatic transmission, it provides the smooth, confident power that complements the flagship luxury experience Lexus markets with the LS line.
In brief: the Lexus LS460 is powered by a 4.6L V8 (1UR-FSE) producing roughly 380 hp, designed for refined luxury performance across standard and long-wheelbase variants.
Is the Lexus 460 fast?
Since each model uses the standard 4.6L V8, the 2021 GX 460 has an estimated top speed of 110mph. Though the 2021 GX 460 is capable of reaching fast speeds, owners need to follow their state traffic laws. With this ability, the chance to enjoy some excitement is truly possible.
Are all Lexus LS V8?
For the first four generations, all LS models featured V8 engines and were predominantly rear-wheel-drive. In the fourth generation, Lexus offered all-wheel-drive, hybrid, and long-wheelbase variants. The fifth generation changed to using a V6 engine with no V8 option, and only one length was offered.
What engine does the Lexus LS 460 have?
4.6 L 1UR-FSE V8
The initial models, the LS 460 (USF40) and long wheelbase LS 460 L (USF41), featured a new 4.6 L 1UR-FSE V8 producing 283 kW (380 hp; 385 PS) and 498 N⋅m (367 lb⋅ft) of torque.
Is the Lexus LS 460 reliable?
Yes, the Lexus LS 460 is generally considered a reliable vehicle, especially the models with the non-hybrid 4.6L V8 engine and the 8-speed automatic transmission, with many owners reporting longevity of 300,000+ miles and high reliability ratings. While its overall reliability rating is average, specific model years have received very high scores. However, some issues can arise, such as with the brake actuator, "push start" switch, and the Mark Levinson audio system.
You can watch this video to learn more about the reliability of the Lexus LS 460: 58sRoss ReviewsYouTube · Aug 5, 2025
Strengths of the LS 460
- Engine and Transmission: The 4.6L V8 engine is considered very reliable, with some mechanics reporting they can last up to 500,000 miles with proper maintenance. The 8-speed automatic transmission is also seen as more reliable than the hybrid's CVT.
- Longevity: The model is known for its long lifespan, with some sources estimating it can last over 300,000 miles.
- High-rated models: Specific model years have received exceptional reliability ratings, with some reviewers giving them 4.7 to 5.0 out of 5 stars.
- Standard Wear and Tear: Beyond the potential issues listed below, maintenance is typically limited to standard wear and tear items like brakes and suspension.
This video shows a detailed review of the Lexus LS 460: 1mShooting CarsYouTube · Jun 25, 2025
Common problems to be aware of
- Brake Actuator: A clicking or knocking sound coming from the brake actuator is a known issue.
- Push-Start Switch: The "push to start" switch can become faulty and cause intermittent no-start problems.
- Audio and Navigation: The Mark Levinson audio system may fail, and there can be issues with the navigation system and multi-cluster display screen.
- Hybrid model concerns: The LS 600h hybrid version is often advised against because the hybrid battery can be very expensive to replace.
