Generation Hub
Lexus GS 1998-2005
Overview
The Lexus GS, in its third generation from 1998 to 2005, was a pivotal model for Lexus, combining luxury and sportiness in a sedan. It featured a sleek and aerodynamic design with clean lines and distinctive headlights. Inside, the cabin was well-appointed with premium materials, comfortable seats, and advanced technology for its time, including a touchscreen infotainment system and an optional Mark Levinson sound system. The GS offered a spacious interior with ample rear-seat legroom, making it a practical choice for luxury sedan buyers.
Performance-wise, the GS came with various engine options, including V6 and V8 powerplants, providing strong acceleration and a smooth ride. The rear-wheel-drive platform and well-tuned suspension delivered a balanced driving experience, combining comfort with agile handling. Overall, the third-generation Lexus GS from 1998 to 2005 left a lasting impression as a luxury sedan that successfully blended style, technology, and performance in a competitive segment.
Specifications
Lexus GS specification, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.
Engine 3.0L 6-Cylinder DOHC
- Recommended oil viscosity: 5W-30
- Oil certification: API
- Drain Plug Torque: 33FT-LBS
- Oil capacity: 5.7 quarts
Spark Plug Gap
- 3.0L 6-Cylinder: 0.044”
Fuel
- Capacity: 75 L (19.8 gal., 16.5 lmp.gal.)
Coolant
- Type: Use either of the following: “Toyota Super Long Life Coolant,” Similar high-quality ethylene glycol based non-silicate, non-amine, non-nitrite, and nonborate coolant with long-life hybrid organic acid technology. Do not use plain water alone
- Capacity:
- GS430: 9.0 L (9.5 qt., 7.9 lmp.qt.)
- GS300: 7.7 L (8.1 qt., 6.8 lmp.qt.)
Automatic transmission
- Type: “Toyota Genuine ATF Type T–IV”
- Capacity: 6.9 qt. (6.5 L, 5.7 Imp.qt.)
Power Steering Fluid
- Type: Automatic transmission fluid DEXRON II or III.
Brake Fluid
- Type: SAE J1703 or FMVSS No. 116 DOT 3
Powertrain
Engine
- 3.0 L 3GR-FE V6 (Middle East)
- 3.0 L 3GR-FSE V6
- 3.5 L 2GR-FSE V6
- 3.5 L 2GR-FXE V6 (hybrid)
- 4.3 L 3UZ-FE V8
- 4.6 L 1UR-FE V8 (Middle East)
- 4.6 L 1UR-FSE V8
Transmission
- 6-speed A760E/60H/61E automatic
- 8-speed AA80E automatic
- CVT automatic (hybrid)
Fuel Consumption

Warning Lights & Bulb Sizes
Front Lights
- Front Fog Light Bulb: 9006
- Front Sidemarker Light Bulb: 168
- Front Turn Signal Light Bulb: 7440NA
- High Beam Headlight Bulb: 9005
- Low Beam Headlight Bulb: HID-D4S
Rear Lights
- Back Up Light Bulb: 921
- Brake Light Bulb: LED
- Center High Mount Stop Light Bulb: LED
- License Plate Light Bulb: LED
- Parking Light Bulb: 168
- Rear Turn Signal Light Bulb: 7440NA
- Tail Light Bulb: LED
Interior Lights
- Map Light Bulb: 175
- Trunk Light Bulb: DE3022
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