Choosing a Lexus GS 2021: Detailed Analysis by Trims

The 2021 Lexus GS offers a range of options across different trims, and each comes with distinct features and potential weaknesses:

Trims Breakdown

1. GS 300

   • Strengths: Starting trim with a great combination of luxury and performance, pragmatic fuel efficiency for its class.
   • Weaknesses: Lower power output compared to higher trims; may lack advanced tech features and performance upgrades found in higher models.

2. GS 350

   • Strengths: Better performance thanks to a more powerful V6 engine, offering a balance between sportiness and comfort.
   • Weaknesses: Some users report that the infotainment system can be complicated to use; the rear passenger space is tighter compared to competitors.

3. GS F

   • Strengths: High-performance variant with a robust V8 engine; offers a thrilling driving experience with sporty handling.
   • Weaknesses: Poor fuel efficiency; higher maintenance costs; some find the ride stiffness a drawback for daily use.

Common Issues Across Models

Engine

• Problems: Some owners have reported issues with oil consumption and engine knocking, particularly in turbocharged variants.
• Mileage: These issues often manifest around 50,000-70,000 miles.

Transmission

• Problems: Some complaints about lag in shifting or rough transmission behavior during start-stop driving conditions.
• Mileage: These issues typically arise after 40,000 miles, especially with city driving.

Suspension

• Problems: Noise or fading in the air suspension systems and shock absorbers, particularly in the GS F.
• Mileage: Frequently observed around 60,000 miles, depending on driving conditions.

Electronics

• Problems: Infotainment system glitches, issues with Bluetooth connectivity, and problems with dashboard display screens.
• Mileage: Typically evident around 30,000-50,000 miles.

Diagnostics Required for Detecting Issues

Recommended Tests and Procedures

• Engine Diagnostics: Using an OBD-II scanner to check for error codes. Inspect oil levels and quality.
• Transmission Testing: Inspect for smoothness during shifting. Test out different drive settings and listen for unusual sounds.
• Suspension Evaluation: Physically inspect suspension components and test drive to detect any rattling or noise. A bounce test can help find failing shock absorbers.
• Electronics Check: Review all electronic systems, including the infotainment system, climate controls, and any driver assists. Look for software updates.

Systems Requiring Special Attention

• Suspension System: Important for ride comfort and handling, especially for GS F owners where performance is key.
• Electrical System: Given the complexity of Lexus electronics, comprehensive testing of the infotainment and navigational systems can prevent future hassles.

Ownership Experience on the Secondary Market

Fuel Efficiency

• GS 300: Approximately 22 mpg city / 32 mpg highway.
• GS 350: Approximately 20 mpg city / 28 mpg highway.
• GS F: Approximately 16 mpg city / 24 mpg highway.

Breakdown Frequency

• With proper maintenance, the Lexus GS has a strong reputation for reliability. However, specific issues like suspension and electronics can lead to higher-than-average visits to the shop if neglected.

Ease of Maintenance

• Parts availability for Lexus models in the American market is generally good, but specialty parts related to the GS F may be more challenging and costly to source, potentially increasing maintenance times and fees.

Recommendations for Long-term Reliability and Maintenance

• Routine Maintenance: Keep up with the manufacturer-recommended service intervals; focus on engine oil changes and transmission inspections.
• Use OEM Parts: Though often more expensive, using original parts ensures quality and reliability.
• Pre-Purchase Inspection: Before buying any used GS, always have a trusted mechanic conduct a comprehensive inspection.

Potential Risks When Buying a Used Vehicle

• High Mileage: Avoid units that have exceeded 70,000 miles without complete service records, as this can indicate more significant maintenance needs.
• Previous Accidents: Check the vehicle history report for accidents, as they can lead to long-term performance and reliability issues.

Conclusion

When considering the 2021 Lexus GS, it's vital to be diligent about the specific trim and its nuances, common issues at various mileages, and to conduct thorough diagnostics. The ownership experience is generally positive, especially regarding luxury and reliability, but certain attention to detail during purchase will help mitigate potential risks and ensure a rewarding ownership experience.