Lexus GX 2003-2009 Specifications
Complete technical specifications and performance data for the Lexus GX 2003-2009. Includes detailed engine specifications, dimensions, safety features, and more.
Engine Specifications
Engine
- Type
- V6 DOHC 24-valve with VVT-i
- Displacement
- 4.7L (4664 cc)
- Power
- 263 hp @ 5,400 rpm
- Torque
- 323 lb-ft @ 3,400 rpm
- Compression Ratio
- 10.0:1
- Redline
- 6,000 rpm
Transmission Specifications
Transmission
- Type
- 5-Speed Automatic with Manual Mode
- Drive System
- Full-Time 4WD with Torsen limited-slip center differential
- Final Drive
- 3.727:1
Dimensions Specifications
Primary Dimensions
- Length
- 188.2 inches
- Width
- 74.0 inches
- Height
- 74.0 inches
- Wheelbase
- 109.8 inches
- Ground Clearance
- 8.1 inches
- Curb Weight
- 4,850 lbs
Chassis & Suspension
- Front Suspension
- Independent double-wishbone with coil springs
- Rear Suspension
- 4-link rigid axle with coil springs
- Steering
- Power-assisted rack-and-pinion
- Front Brakes
- 12.8-inch ventilated disc
Performance & Fuel Economy
- Zero To 60
- 7.5 seconds
- Quarter Mile
- 15.9 seconds @ 88.5 mph
- Top Speed
- 112 mph electronically limited
- Combined
- 15 mpg
Safety Specifications
- Front
- Dual-stage, dual-threshold front airbags
- Side
- Front seat-mounted side airbags
- Curtain
- Side curtain airbags with rollover sensor
- Other
- Driver's knee airbag
- Stability Control
- Vehicle Stability Control (VSC) with traction control
- Brake Systems
- ABS with EBD and Brake Assist
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the main differences between the available engine options?
What are the main differences between the available engine options?
The 2003-2009 Lexus GX is equipped with a single engine option: a 4.7L V8 producing 263 hp and 323 lb-ft of torque. This engine is paired with a 5-speed automatic transmission, offering a balance of power and efficiency for its class.
Q2 What transmission options are available?
What transmission options are available?
The Lexus GX features a 5-speed automatic transmission with overdrive and a manual shift mode, providing smooth gear changes and enhanced control for various driving conditions.
Q3 What are the key safety features?
What are the key safety features?
Standard safety features include ABS, traction control, vehicle stability control, and dual front airbags. Optional features include side curtain airbags, a backup camera, and a pre-collision system on later models.
Q4 How does the fuel economy compare to competitors?
How does the fuel economy compare to competitors?
The Lexus GX achieves an EPA-estimated 15 mpg city and 20 mpg highway, which is competitive with other luxury SUVs of the same era, such as the BMW X5 and Mercedes-Benz ML-Class.
Q5 What are the recommended maintenance intervals?
What are the recommended maintenance intervals?
Recommended maintenance includes oil changes every 5,000 miles, tire rotation every 7,500 miles, and a comprehensive inspection every 15,000 miles. Follow the schedule in the owner�s manual for optimal performance.
Q6 What are the most notable features and options?
What are the most notable features and options?
Notable features include leather upholstery, a premium audio system, dual-zone climate control, and a sunroof. Optional features include a navigation system, rear-seat entertainment, and adaptive air suspension.
Q7 How does the cargo and passenger space compare to competitors?
How does the cargo and passenger space compare to competitors?
The Lexus GX offers 77.5 cubic feet of cargo space with rear seats folded, and seating for up to seven passengers. This is comparable to the BMW X5 and slightly more spacious than the Mercedes-Benz ML-Class.
Q8 What are the towing and payload capacities?
What are the towing and payload capacities?
The Lexus GX has a maximum towing capacity of 6,500 lbs when properly equipped and a payload capacity of 1,550 lbs, making it suitable for towing trailers and carrying heavy loads.
About the Author
Expert automotive knowledge and experience
Alan Montanye
Automotive Technical Writer
ASE Certified Master Technician specializing in vehicle specifications and technical documentation with extensive experience in the automotive industry.
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.