2015 Lexus Rx350 Automatic Transmission

2015 Lexus RX 350 Transmission Overview

The 2015 Lexus RX 350 comes equipped with a 3.5L V6 engine paired with a smooth and reliable automatic transmission. Most standard models feature a 6-speed automatic transmission, while the F SPORT variant offers an upgraded 8-speed automatic transmission for enhanced performance and responsiveness.

Buyers can choose between Front-Wheel Drive (FWD) and All-Wheel Drive (AWD) configurations. Both setups are well-known for their durability, but regular maintenance plays a key role in ensuring long-term reliability.

Transmission Details & Options

• Standard Models: 6-speed automatic transmission
• F SPORT Model: 8-speed automatic transmission
• Drivetrain Options: Front-Wheel Drive (FWD) or All-Wheel Drive (AWD)
• Maintenance Tip: Regular transmission fluid “drain and fill” services help maintain optimal performance and extend transmission life.

• Common Transmission Issues and Symptoms

  Although the RX 350 is considered reliable, some owners may encounter the following issues:

  • Shifting Problems: Hard shifting, shuddering, or slipping during acceleration
  • Fluid Leaks: Transmission fluid leaks that require immediate attention
  • Warning Lights: Activation of the transmission warning light on the dashboard

  Addressing these symptoms early can help prevent costly repairs and ensure safe driving.

• Replacement Options and Cost

  If a transmission replacement becomes necessary, costs can vary depending on the option you choose:

  • Used or Remanufactured Transmission: Typically ranges from $1,500 to $2,500+, depending on mileage and condition. Turbo Auto Parts has quality and tested low mileage transmissions replacement available with 3 years and 30K miles warranty include.
  • New Transmission (Dealer): A complete transaxle assembly can cost between $3,500 and $6,000+

  Choosing a quality used or remanufactured unit can be a cost-effective solution for many vehicle owners.

What kind of transmission is in the 2015 Lexus RX 350?

270-hp, 3.5-liter V6; dual Variable Valve Timing with intelligence (VVT-i); and a six-speed Electronically Controlled Transmission with intelligence (ECT-i).

Does the Lexus RX 350 have a CVT transmission?

RX 350h – The RX was the first Lexus hybrid back in 2005, and this model continues the legacy with a 2.4-liter inline-4 combined with two electric motors for a combined 246 horsepower. The system uses a continuously variable transmission (CVT) and has standard AWD.

Do Lexus RX350 have transmission problems?

A few common symptoms include like Delayed or Rough Shifting. Your RX 350 should shift gears smoothly. If you experience rough or delayed shifts, it might be a sign of a transmission problem. Unusual Noises like Grinding or whining sounds when shifting can indicate transmission troubles.

What are common problems with the 2015 RX 350?

The 2015 RX 350 often experiences premature brake pad and rotor wear, causing vibration during braking. The antilock braking system may malfunction, and issues can affect the parking brake, master cylinder, and calipers. Drivers also report squeaking noises and, in rare cases, reduced braking performance or failure, including inconsistent regenerative braking.