2021 Toyota Sienna

Introduction:

The 2021 Toyota Sienna is a minivan available with a 3.5L V6 engine paired with an 8-speed automatic transmission. It comes in four trim levels: LE, XLE, XSE, and Limited. The V6 engine produces 296 horsepower and 263 lb-ft of torque. Notable features of the Sienna include its spacious cabin, advanced safety systems, and comfortable ride. While it offers a smooth driving experience and impressive fuel economy, there have been some reported issues with the vehicle.

Engine

3.5L V6

• Piston Ring Failure: Excessive oil consumption, blue smoke from the exhaust, and decreased engine performance; Replaced under warranty; $0
• Variable Valve Timing (VVT) System Issues: Knocking or rattling noises from the engine, reduced power, and increased emissions; Replace VVT solenoids or VVT assembly; $300 - $1,000

Transmission

8-Speed Automatic

• Transmission Shudder: Vibrations or shaking during acceleration or gear changes; Software update to reprogram transmission; $0

Suspension

• No Issues Found

Electrical

• Battery Drain: Rear entertainment system staying on after the vehicle is turned off; Disconnect rear entertainment system; $0
• Infotainment System Glitches: System freezing, touchscreens unresponsive, or Bluetooth connectivity issues; Software updates or hardware replacement; $0 - $1,000+

Exterior

• Exterior Trim Peeling: Chrome trim on the grille, fog lights, or window frames peeling; Replace affected trim; $100 - $500
• Sunroof Issues: Sunroof rattling or not opening/closing properly; Lubricate or adjust sunroof mechanisms; $0 - $500+
• Rear Wiper Corrosion: Rear wiper motor or linkage corroding due to moisture; Replace rear wiper motor or linkage; $100 - $300

Interior

• Center Console Lid Alignment: Center console lid not aligning properly or loose; Adjust lid or replace hinges; $100 - $200
• Second-Row Seat Release Handle Failure: Second-row seat release handles breaking; Replace seat release handles; $100 - $200
• Third-Row Seat Squeaking: Noises from the third-row seat when folded down; Lubricate seat hinges; $0

Summary:

While the 2021 Toyota Sienna offers a comfortable and fuel-efficient driving experience, there have been some reported issues with the vehicle. The most common issues revolve around engine oil consumption, transmission shuddering, and electrical glitches. The severity and cost of these issues vary, but most are resolved under warranty or through software updates. Overall, the Sienna remains a reliable and practical minivan, but it is important to be aware of potential problems before purchasing.