2008 Lexus GS460

The 2008 Lexus GS460 is a luxury sedan that offers a blend of performance and comfort. Its highlight is the 4.6L V8 engine, producing 342 horsepower and 339 lb-ft of torque. The only other engine option for the GS line that year was the 3.5L V6 in the GS 350. A notable aspect of the GS460 is its smooth ride and quiet cabin, appreciated by those prioritizing a refined driving experience. Downsides often mentioned include somewhat dated technology compared to newer vehicles, and higher fuel consumption compared to the V6 variant. The GS460 had a 6 speed automatic transmission.

Engine

4.6L V8 (1UR-FE)

• Oil Leak from Valve Cover Gaskets
  • Description/Symptoms: Oil leaks are observed around the valve covers, leading to oil consumption and potential burning smells. Oil may drip onto exhaust components.
  • Solution: Replace the valve cover gaskets.
  • Estimated Cost to Fix: $300 - $600
• Water Pump Failure
  • Description/Symptoms: Overheating, coolant leaks near the water pump, and a whining noise from the engine.
  • Solution: Replace the water pump and potentially the thermostat.
  • Estimated Cost to Fix: $400 - $800
  • Recalls: None Found

Transmission

A760E 6-Speed Automatic

• Torque Converter Shudder
  • Description/Symptoms: A noticeable shudder or vibration, particularly during light acceleration at highway speeds.
  • Solution: Perform a transmission fluid flush using the correct Toyota WS fluid, or replace the torque converter if the shudder persists.
  • Estimated Cost to Fix: $150 - $300 for fluid flush, $800 - $1500+ for torque converter replacement.
  • Recalls: None Found
• Harsh Shifting
  • Description/Symptoms: Hard, jerky shifting between gears, especially during upshifts or downshifts.
  • Solution: Begin with a transmission fluid flush. If the problem persists, inspect and potentially replace valve body components or consider a transmission rebuild.
  • Estimated Cost to Fix: $150 - $300 for fluid flush, $800 - $2000+ for valve body repair/replacement, $3000+ for transmission rebuild.
    • Recalls: None Found

Suspension

• Air Suspension Issues (if equipped)
  • Description/Symptoms: The rear of the car sags, or the ride height is uneven. The air compressor might run excessively, or an “Air Suspension” warning light illuminates on the dashboard.
  • Solution: Diagnose the leak (usually in the air struts or air lines) and replace the faulty components.
  • Estimated Cost to Fix: $500 - $1500+ per air strut, $100 - $500 for air lines. Compressor replacement could be $500 - $1000.
    • Recalls: None Found
• Worn Control Arm Bushings
  • Description/Symptoms: Clunking noises from the front or rear suspension, especially when going over bumps. Imprecise steering and uneven tire wear can also occur.
  • Solution: Replace the worn control arm bushings or the entire control arm.
  • Estimated Cost to Fix: $200 - $500 per control arm.
    • Recalls: None Found

Electrical

• Navigation Screen Failure
  • Description/Symptoms: The navigation screen may flicker, become dim, or completely fail.
  • Solution: Replacement of the navigation unit or repair of the screen’s backlight circuitry.
  • Estimated Cost to Fix: $300 - $1000+ (depending on repair vs. replacement)
    • Recalls: None Found
• Power Window Regulator Failure
  • Description/Symptoms: A window may become slow to operate, or stop working entirely. You may hear a grinding noise from inside the door.
  • Solution: Replace the faulty power window regulator.
  • Estimated Cost to Fix: $200 - $400 per window.
  • Recalls: None Found

Exterior

• Headlight Condensation
  • Description/Symptoms: Moisture buildup inside the headlight housings, reducing light output.
  • Solution: Remove the headlights, dry them out, and reseal the seams. Alternatively, replace the headlight assemblies.
  • Estimated Cost to Fix: $50 - $200 for resealing (DIY or professional), $300 - $800+ for new headlight assemblies.
    • Recalls: None Found

Interior

• Dashboard Cracking
  • Description/Symptoms: Cracks appearing on the dashboard surface, especially in warmer climates.
  • Solution: Dashboard replacement or dashboard cover.
  • Estimated Cost to Fix: $50 - $200 for dashboard cover, $1000+ for dashboard replacement.
    • Recalls: None Found

Summary

The 2008 Lexus GS460 can be a reliable car, but owners should be aware of the potential issues. Engine issues like valve cover leaks and water pump failures are relatively common, with moderate repair costs. Transmission issues, particularly torque converter shudder and harsh shifting, can be more costly to address. Suspension issues can range from moderate to expensive if equipped with air suspension. Electrical and interior issues are typically less severe but can still be annoying. Overall, while the GS460 offers a luxurious driving experience, potential buyers should factor in the costs of maintaining an older luxury vehicle.