2018 Lexus LS Engine Problems
- Complaints
- 3about this part
- Share
- 20%of 15 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2018 Lexus LS, 20% of the 15 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“At 55,310 miles the car stalled without warning while driving at low speed. The car was towed to a Lexus dealership and it was reported by the dealer after inspection that the engine had seized. The vehicle is available for inspection. The motor failed while driving the vehicle. The V35A-FTS engine has numerous reports of main bearing failure and is subject to a recall for other models that have this engine, however, the Lexus LS500 model is not included in the recall despite having the same/similar catastrophic engine failure with low miles. …”
NHTSA complaint #11751587, filed 2026-07“Main rod bearing failure in the motor. No lights on the dash. Pulling away from the traffic light, heard loud banging from the engine and loss of power. Two blocks away from home, fortunately the car made it. 97,500 miles on the car. Oil was changed at Len Stoler Lexus 1,242 ago. Service history of maintenance is superb. Had the vehicle towed to Pro Care Auto in Reisterstown Maryland, where that stated the main rod bearings failed. Estimate for engine replacement $20,000. Towed vehicle to Len Stoler Lexus where they found the same diagnostic results. …”
NHTSA complaint #11770475, filed 2026-10Related service bulletins
- 10179601Aug 5, 2020TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a…
- 10164328Jul 1, 2019TSB: REVISION NOTICE July 01, 2019 Rev1: G1668 Applicability has been updated to include 2019 ? 2020 model year Lexus vehicles. G2158 The Techstream Preparation and Process…
- 10159711Apr 12, 2019TSB: Some 2018 model year LS500 vehicles may exhibit a vibration due to a rough idle after cold soak. This condition is only present when the vehicle is first started after cold…
- 10159702Apr 8, 2019TSB: Some 2018 ? 2019 model year LS500 vehicles may exhibit one or both of the following transmission-related conditions: ? R to D shift delay when vehicle is cold ? Shift bump…
Engine: other model years
Other parts of the 2018 Lexus LS
3 complaintsOther or unknown
3 complaintsWheels
3 complaintsEngine cooling
2 complaintsFuel system
2 complaintsForward collision avoidance
1 complaintsSeats
1 complaintsSteering
1 complaintsTires
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2018 Lexus LS
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology