Is the 2018 Buick ENCORE reliable?

The 2018 Buick ENCORE has 105 complaints filed with NHTSA (1.0x the segment average). Our reliability verdict: average. Most common issue: ENGINE problems.

What are common problems with the 2018 Buick ENCORE?

Top problems: ENGINE (30 complaints, avg repair $500); BRAKES (11 complaints, avg repair $500); OTHER (10 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2018 Buick ENCORE?

No recalls have been issued for the 2018 Buick ENCORE.

How much does it cost to fuel a 2018 Buick ENCORE?

The 2018 Buick ENCORE gets 29 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $1655. See the interactive fuel cost calculator on this page for state-specific pricing.

Is the 2018 Buick ENCORE often stolen?

Theft risk tier for the Buick ENCORE: low. HLDI insurance loss data suggests lower-than-average theft claims for this model.

How much does it cost to insure a 2018 Buick ENCORE?

Estimated US average full-coverage insurance for the 2018 Buick ENCORE is approximately $1,487/year (suv-midsize class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2018 Buick ENCORE

Problems, Recalls & Reliability Report

Average

Quick Summary

The 2018 Buick ENCORE has 105 owner complaints filed with NHTSA — that's 1.0x the segment average of 105. The most common issue is engine problems (29% of all complaints), specifically: there is a malfunction with the turbo hose on a majority of 2018 buick encore's that require a new hose. there is a nationwide back order on these parts due to all of the repairs. when this item broke i was driving about 70 mph on the interstate, there was a loud pop from the engine compartment and .

13 crash reports 10 injuries

105

Total Complaints

Recalls Issued

5/5

Safety Stars

1.0x

vs Segment Avg

Known Problems(top 5 of 8)

ENGINE

30 complaints

29%

• THERE IS A MALFUNCTION WITH THE TURBO HOSE ON A MAJORITY OF 2018 BUICK ENCORE'S THAT REQUIRE A NEW HOSE. THERE IS A NATIONWIDE BACK ORDER ON THESE PARTS DUE TO ALL OF THE REPAIRS. WHEN THIS ITEM BROKE I WAS DRIVING ABOUT 70 MPH ON THE INTERSTATE, THERE WAS A LOUD POP FROM THE ENGINE COMPARTMENT AND
• WHEN IT RAINS MOST IF THE TIME THE VEHICLE ONSTAR SETS OFF ALERTS FOR MY ANTILOCK BRAKES AND STABILITY TO BE CHECKED. DEALER SAID IT IS NORMAL AND NOT CONCERNING BUT CHECKED AT THE 1 YEAR INSPECTION FOR ME. NPF. A MONTH LATER A RAINY DAY, ALERTS, AND THE VEHICLE WOULDN'T START. ALL THE LIGHTS CAME O
• WITH ESTIMATING MY MONTHS OVER A SPAN OF 4 MONTHS I HAD MY TURBO CHARGER REPLACEDBECAUSE IT HAD GONE BAD. I WAS OUT OF TOWN THE LIGHT CAME ON. AND WHEN I RETURN I TOOK IT TO THE SHOP THEY DIAGNOSE IT AND SAID IT WAS A TURBO CHARGER. I HAD AN EXTENDED WARRANTY ON THE CAR SO THEY REPLACE THE TURBO CHA

Typical onset: 50K miles Est. repair: $500

“THERE IS A MALFUNCTION WITH THE TURBO HOSE ON A MAJORITY OF 2018 BUICK ENCORE'S THAT REQUIRE A NEW HOSE. THERE IS A NATIONWIDE BACK ORDER ON THESE PARTS DUE TO ALL OF THE REPAIRS. WHEN THIS ITEM BROKE I WAS DRIVING ABOUT 70 MPH ON THE INTERSTATE, THERE WAS A LOUD POP FROM THE ENGINE COMPARTMENT AND ”

— NHTSA complaint filing

When Problems Appear on the 2018 Buick ENCORE

Based on 41 owner complaints that included an odometer reading. Median mileage at time of complaint: 20K miles. Most complaints cluster in the 0-30K miles range.

Overall complaint distribution by mileage

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

ENGINE

In line with typicalmedian 89K mi · 8 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

TRANSMISSION

In line with typicalmedian 48K mi · 7 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.

Low theft risk

Low theft rates typically correlate with lower comprehensive-coverage insurance premiums.

Source: NICB Hot Wheels 2025 report + HLDI theft loss studies. Model-year ranking; not all years of this model have identical risk.

Fuel Cost Calculator for 2018 Buick ENCORE

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$1,656

Per month

$138

Per mile

13.8¢

MPG

City driving (worst-case MPG)

$1,920/yr

Highway driving (best-case MPG)

$1,455/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

Show:

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 ENCORE

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.

Your state (affects local premium average)

Full coverage / year

$1,487

Full coverage / month

$124

Liability only / year

$600

vs US avg

-11%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (suv-midsize)1.05x

× theft risk0.90x

× safety rating0.94x

× vehicle age1.00x

= Full coverage estimate$1487

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 ENCORE, 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

ENGINE(~50K mi)

$500

BRAKES(~50K mi)

$500

OTHER(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

AIR BAGS(~50K mi)

$500

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

🔍 Pre-Purchase Inspection Checklist

Based on 105 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: THERE IS A MALFUNCTION WITH THE TURBO HOSE ON A MAJORITY OF 2018 BUICK ENCORE'S THAT REQUIRE A NEW HOSE. THERE IS A NATIONWIDE BACK ORDER ON THESE PARTS DUE TO ALL OF THE REPAIRS. WHEN THIS ITEM BROKE I WAS DRIVING ABOUT 70 MPH ON THE INTERSTATE, THERE WAS A LOUD POP FROM THE ENGINE COMPARTMENT AND
Typically appears around 50K miles. Repair cost ~$500
☐
BRAKES: I HAVE COMPLIN TO MY DEALER ABOUT MY CAR EXCELERATING WHEN I HIT THE BRAKES . THEY SAID THEY CAN FIND A PROBLEM , WELL IT HAPPEN AGAIN ON AUGUST 29 2019 AN IT CAUSE A ACCIDENT I WAS DRIVING ON A 6 LANE ROADWAY AROUND 330 IN THE AFTERNOON I WAS IN CRUISE CONTROL AT 45 MPH AN WHEN I WENT TO STOP THE
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: THE DRIVERS SIDE BLIND SPOT INDICATOR IS MALFUNCTIONING AND GIVING FALSE AND ERRONEOUS INDICATIONS THIS IS DUE TO THE INCORRECT PARTS BEING INSTALLED AT THE FACTORY. THE DEALERSHIP SAID THAT "CONTROL MODULE" FROM THE FACTORY WAS THE INCORRECT PART NUMBER FOR THE VEHICLE AND MAY THE CAUSE OF THE PROB
Typically appears around 50K miles. Repair cost ~$500
☐
TRANSMISSION: TL* THE CONTACT OWNS A 2018 BUICK ENCORE. WHILE THE VEHICLE WAS PARKED AND UNOCCUPIED, IT INADVERTENTLY ROLLED AWAY AND CRASHED INTO ANOTHER VEHICLE. A POLICE REPORT WAS FILED. THERE WERE NO INJURIES. THE VEHICLE WAS TAKEN TO A DEALER (NYE BUICK GMC, 1421 GENESEE ST, ONEIDA, NY 13421, (315) 363-2200
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)