BestCarRank
Buick

2018 Buick LACROSSE

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2018 Buick LACROSSE has 19 owner complaints filed with NHTSA — that's 0.2x the segment average of 89. The most common issue is electrical problems (26% of all complaints), specifically: i received a notice from gm that my vehicle with the electrical connection to the accelerator pedal which could cause a a reduced power and acceleration condition. however, this is not a recall and i should not seek a repair until i have evidence that my vehicle has this problem. this sounds like . There are 3 recalls issued for this model year.

19

Total Complaints

3

Recalls Issued

5/5

Safety Stars

0.2x

vs Segment Avg

Known Problems(top 5 of 7)

ELECTRICAL

5 complaints
26%
  • I RECEIVED A NOTICE FROM GM THAT MY VEHICLE WITH THE ELECTRICAL CONNECTION TO THE ACCELERATOR PEDAL WHICH COULD CAUSE A A REDUCED POWER AND ACCELERATION CONDITION. HOWEVER, THIS IS NOT A RECALL AND I SHOULD NOT SEEK A REPAIR UNTIL I HAVE EVIDENCE THAT MY VEHICLE HAS THIS PROBLEM. THIS SOUNDS LIKE
  • 2018 BUICK LACROSSE. CONSUMER WRITES IN REGARDS TO VEHICLE SHUTTING OFF SUDDENLY. *LD THE CONSUMER STATED THE BATTERY WAS REPLACED, BUT THE FAILURE RECURRED. THE DEALER UPDATED THE SOFTWARE , BUT COULD NOT GUARANTEE THE FAILURE WOULD NOT RECUR. *JS
  • I have brought my 2018 Buick Lacrosse to two different Buick dealerships who say that even though a special instruction letter was recognized and a recall was observed, because my check light went out and the codes on the car where cleared, they will not fix either recall. On three different occasio
Typical onset: 50K miles Est. repair: $500

I RECEIVED A NOTICE FROM GM THAT MY VEHICLE WITH THE ELECTRICAL CONNECTION TO THE ACCELERATOR PEDAL WHICH COULD CAUSE A A REDUCED POWER AND ACCELERATION CONDITION. HOWEVER, THIS IS NOT A RECALL AND I SHOULD NOT SEEK A REPAIR UNTIL I HAVE EVIDENCE THAT MY VEHICLE HAS THIS PROBLEM. THIS SOUNDS LIKE

— NHTSA complaint filing

Recalls (3)

POWER TRAIN:AUTOMATIC TRANSMISSION29/10/2020

General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.

Risk: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.

Fix: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.

Fuel Cost Calculator for 2018 Buick LACROSSE

Live EIA prices
Per year
$2,001
Per month
$167
Per mile
16.7¢
MPG
24
City driving (worst-case MPG)
$2,286/yr
Highway driving (best-case MPG)
$1,600/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today
Current
$4.00
5-year low
$2.78
5-year high
$5.01
Since 2021
+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2018 Buick LACROSSE

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.
Full coverage / year
$1,511
Full coverage / month
$126
Liability only / year
$574
vs US avg
-10%
How this estimate is calculated
US base full-coverage premium$1674
× state (US)1.00x
× vehicle class (sedan-midsize)0.96x
× theft risk1.00x
× safety rating0.94x
× vehicle age1.00x
= Full coverage estimate$1511

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Buick New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)
4 yr / 50K mi
Powertrain
6 yr / 70K mi
Hybrid/EV battery
8 yr / 100K mi
Corrosion (rust perforation)
6 yr / 100K mi
Roadside assistance
6 yr / 70K mi

These are the terms for a new Buick. If you're buying a used 2018 LACROSSE, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Buick dealer for VIN-specific remaining warranty.

Estimated Repair Costs

ELECTRICAL(~50K mi)
$500
ENGINE(~50K mi)
$500
FUEL SYSTEM(~50K mi)
$500
TRANSMISSION(~50K mi)
$500
SPEED CONTROL(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 19 owner complaints for this specific year, here's what to check or ask about:

  • ELECTRICAL: I RECEIVED A NOTICE FROM GM THAT MY VEHICLE WITH THE ELECTRICAL CONNECTION TO THE ACCELERATOR PEDAL WHICH COULD CAUSE A A REDUCED POWER AND ACCELERATION CONDITION. HOWEVER, THIS IS NOT A RECALL AND I SHOULD NOT SEEK A REPAIR UNTIL I HAVE EVIDENCE THAT MY VEHICLE HAS THIS PROBLEM. THIS SOUNDS LIKE

    Typically appears around 50K miles. Repair cost ~$500

  • ENGINE: IF STOPPED UPHILL AND THE AUTO STOP ACTIVATES, WHEN YOU RELEASE THE BRAKE THE CAR CAN ROLL BACK, AND THE WAY PEOPLE STOP ON TOP OF YOU THESE DAYS YOUR CAR CAN ROLL BACK INTO THEM AND YOU HAVE TO REPAIR THEIR CAR. PLUS IT ACTUALLY TAKES MORE GAS THAN MY V8 2016 GMC SIERRA THAT DOESN'T STOP WHEN TRAV

    Typically appears around 50K miles. Repair cost ~$500

  • FUEL SYSTEM: I have brought my 2018 Buick Lacrosse to two different Buick dealerships who say that even though a special instruction letter was recognized and a recall was observed, because my check light went out and the codes on the car where cleared, they will not fix either recall. On three different occasio

    Typically appears around 50K miles. Repair cost ~$500

  • TRANSMISSION: I have brought my 2018 Buick Lacrosse to two different Buick dealerships who say that even though a special instruction letter was recognized and a recall was observed, because my check light went out and the codes on the car where cleared, they will not fix either recall. On three different occasio

    Typically appears around 50K miles. Repair cost ~$500

  • RECALLS: Verify all 3 recalls have been completed — free at any Buick dealer
  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

NHTSA Safety Rating

Overall
Frontal
Side
Rollover

At a Glance

Complaints
19
Recalls
3
Fire reports
0
Crash reports
0
Injury reports
0
Segment avg
89

Check a Specific VIN

See recalls for YOUR 2018 Buick LACROSSE