What engine is in the Lexus LS460?
The Lexus LS460 is powered by a 4.6-liter V8 engine known as the 1UR-FSE with direct injection.
Launched with the LS460 in 2006, this aluminum-block, 32-valve V8 uses Lexus D-4S technology to blend direct and port fuel injection for strong power delivery and smooth operation, paired with an 8-speed automatic transmission and rear-wheel drive as standard (with AWD available in certain markets). This article breaks down the engine's specs, technology, and variants.
Engine specifications
Key specifications of the LS460’s powertrain provide a snapshot of its performance and engineering.
- Engine type: 4.6-liter V8, 32 valves, DOHC
- Engine code: 1UR-FSE
- Displacement: 4,605 cc
- Induction: D-4S direct injection with port injection
- Power: ~380 horsepower (approximately 283 kW) at 6,000–6,400 rpm
- Torque: ~367 lb-ft (about 498 Nm) at around 4,000 rpm
- Transmission: 8-speed automatic
- Drivetrain: Rear-wheel drive standard; all-wheel drive option available in some markets
These figures reflect widely cited specifications for the LS460’s engine across model years; exact outputs can vary slightly by market and tuning.
Technology and design features
Tech and engineering choices in the 1UR-FSE underpin the LS460’s balance of refinement and performance.
- D-4S Direct Injection combined with port injection to optimize power and efficiency across RPM
- VVT-i on both intake and exhaust valves for smooth torque delivery
- Aluminum block and heads to reduce weight while maintaining strength
- 8-speed automatic transmission designed for seamless low-to-high-speed shifts
- RWD as standard; AWD variants offered in some markets
These design features helped the LS460 balance effortless acceleration with a quiet cabin and strong low-end response.
Variants and market availability
Throughout its production, the LS460 offered regional variations, including a long-wheelbase LS460 L and, in select markets, an AWD version. The powertrain remained the 4.6-liter V8 throughout the LS460 and LS460 L lineup, preserving a consistent core driving character.
In summary, the LS460’s engine is a purpose-built 4.6L V8 (1UR-FSE) with D-4S direct injection, designed to deliver refined power for a flagship luxury sedan.
Summary
Takeaway: The Lexus LS460’s engine is a 4.6-liter V8 (1UR-FSE) with D-4S direct/injection, paired with an 8-speed automatic and offered in rear-wheel drive with AWD optional, delivering a balance of smooth, strong performance and refined luxury.
