2021 Lexus RC Problems: 1 Known Issue
2021 model year · 1,100+ owner reports · Updated September 2026
According to Au7o's analysis of 1,100+ owner reports, the 2021 Lexus RC has 1 documented issue. None of the listed issues is rated critical; this is not a complete reliability assessment. The most commonly reported issue is Carbon Buildup on Intake Valves (2.0T) with 1,100 owner reports. Across all issues with published estimates, repair costs range from $400 to $800. DIY maintenance guides at au7o.io.
2021 · All trims · All engines
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All 1 Known Issue
NHTSA Recalls1 recall
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2015-2022 Lexus RC, 2016-2020 GS, and 2022 IS vehicles. The low-pressure fuel pump inside the fuel tank may fail.
Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.
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Frequently Asked Questions
What are the most common Lexus RC problems?
According to Au7o's analysis of 1,100+ owner reports, the 2021 Lexus RC has 1 documented issue. The documented issue is: Carbon Buildup on Intake Valves (2.0T). None are rated critical, but regular maintenance is recommended.
Is the Lexus RC reliable?
The 2021 Lexus RC has 1 known issue documented across 1,100+ owner reports. None of the matching records is rated critical; this is not a complete reliability assessment. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Lexus RC problems?
Repair costs for known Lexus RC issues range from $400 to $800, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2016-2022 Lexus RC Carbon Buildup on Intake Valves (2.0T)?
The direct-injected 2.0L turbo in the RC200t and RC300 accumulates carbon deposits on the intake valves identically to the IS with the same engine. Without port injection to wash the valves, carbon buildup causes progressive performance degradation starting around 40,000 miles. Repairs typically run $400-$800. Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.