Is the 2020 Chevrolet SUBURBAN reliable?

The 2020 Chevrolet SUBURBAN has 60 complaints filed with NHTSA (0.4x the segment average). Our reliability verdict: excellent. Most common issue: ENGINE problems.

What are common problems with the 2020 Chevrolet SUBURBAN?

Top problems: ENGINE (15 complaints, avg repair $500); TRANSMISSION (10 complaints, avg repair $500); ELECTRICAL (8 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2020 Chevrolet SUBURBAN?

Yes, there are 4 recall(s): TIRES, FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP, SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING, POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). Contact any Chevrolet dealer to verify if recalls have been completed on your specific vehicle.

How much does it cost to charge a 2020 Chevrolet SUBURBAN?

The 2020 Chevrolet SUBURBAN has an EPA rating of 18 MPGe. At the current US average residential electricity rate, driving 12,000 miles per year costs roughly $4269. State rates vary significantly — see the interactive calculator on this page.

How much does it cost to insure a 2020 Chevrolet SUBURBAN?

Estimated US average full-coverage insurance for the 2020 Chevrolet SUBURBAN is approximately $1,975/year (ev-mainstream 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.

Does the 2020 Chevrolet SUBURBAN qualify for tax credits?

The federal EV tax credit (Section 30D) expired for vehicles acquired after September 30, 2025. If purchased before that date, the 2020 Chevrolet SUBURBAN may still qualify on the 2025 tax return. State-level incentives remain active in 13+ states — see the incentives section on this page for details.

2020 Chevrolet SUBURBAN

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2020 Chevrolet SUBURBAN has 60 owner complaints filed with NHTSA — that's 0.4x the segment average of 147. The most common issue is engine problems (25% of all complaints), specifically: the contact owns a 2020 chevrolet suburban. the contact stated that while operating the vehicle a banging noise was present coming from the engine compartment. additionally, while driving, the cluster gauges and the air conditioning malfunctioned. the vehicle was later examined by an independent mec. There are 4 recalls issued for this model year. ⚠️ 1 fire report filed.

1 fire report 2 crash reports

Total Complaints

Recalls Issued

—/5

Safety Stars

0.4x

vs Segment Avg

Known Problems(top 5 of 8)

ENGINE

15 complaints

25%

• The contact owns a 2020 Chevrolet Suburban. The contact stated that while operating the vehicle a banging noise was present coming from the engine compartment. Additionally, while driving, the cluster gauges and the air conditioning malfunctioned. The vehicle was later examined by an independent mec
• The water pump burst without any warning.
• Fuel injector failed and pumped too much gas into cylinder causing gas to get into engine oil and ruin engine. GM claims they are building the replacement engine, but won't give any estimate of when it will be fixed. Other dealers that are receiving these engines will not sell the engine to my deale

Typical onset: 50K miles Est. repair: $500🔥 1 fire reports

“The contact owns a 2020 Chevrolet Suburban. The contact stated that while operating the vehicle a banging noise was present coming from the engine compartment. Additionally, while driving, the cluster gauges and the air conditioning malfunctioned. The vehicle was later examined by an independent mec”

— NHTSA complaint filing

When Problems Appear on the 2020 Chevrolet SUBURBAN

Based on 18 owner complaints that included an odometer reading. Median mileage at time of complaint: 3K 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+

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.

Recalls (4)

TIRES25/02/2021

General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.

Risk: Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.

Fix: GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. 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 N212329050.

Charging Cost Calculator for 2020 Chevrolet SUBURBAN

Live EIA prices

Annual miles driven: 12,000

Your state (affects local electricity price)

Per year

$4,230

Per month

$353

Per mile

35.3¢

kWh/mi

1.87

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.

Estimated Insurance Cost for 2020 Chevrolet SUBURBAN

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

$1,975

Full coverage / month

$165

Liability only / year

$679

vs US avg

+18%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (ev-mainstream)1.18x

× theft risk1.00x

× safety rating1.00x

× vehicle age1.00x

= Full coverage estimate$1975

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

Maintenance & Warranty

Recommended Chevrolet SUBURBAN Service Intervals

Oil change

8K mi / 12 mo

Tire rotation

8K mi

Brake fluid

36 months

Transmission fluid

45K mi

Engine coolant

150K mi

Spark plugs

100K mi

Cabin air filter

23K mi

Engine air filter

45K mi

Differential (AWD/4WD)

45K mi

GM Oil Life System dynamically calculates oil change interval. DEXOS-approved oil required.

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Chevrolet New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

3 yr / 36K mi

Powertrain

5 yr / 60K mi

Hybrid/EV battery

8 yr / 100K mi

Corrosion (rust perforation)

6 yr / 100K mi

Roadside assistance

5 yr / 60K mi

These are the terms for a new Chevrolet. If you're buying a used 2020 SUBURBAN, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Chevrolet dealer for VIN-specific remaining warranty.

EV Incentives for 2020 Chevrolet SUBURBAN

Updated 2026-07

Federal Tax Credit (Section 30D) — Expired 2025-09-30

Section 30D new clean vehicle credit ($7,500 max) expired for vehicles acquired after Sept 30, 2025 per Public Law (One Big Beautiful Bill Act). Vehicles acquired on or before that date remain eligible on the buyer's 2025 return. No federal purchase credit exists for post-9/30/2025 acquisitions.

State-Level Incentives (Still Active in 14 States)

CaliforniaUp to $12,000

Clean Cars 4 All

ColoradoUp to $5,000

Innovative Motor Vehicle Credit

ConnecticutUp to $4,250

CHEAPR (Connecticut Hydrogen and Electric Automobile Purchase Rebate)

DelawareUp to $2,500

Clean Vehicle Rebate

IllinoisUp to $4,000

Illinois EV Rebate Program

MarylandUp to $3,000

Excise Tax Credit for Plug-in Electric Vehicles

MassachusettsUp to $3,500

MOR-EV

New JerseyUp to $4,000

Charge Up New Jersey

New YorkUp to $2,000

Drive Clean Rebate

OregonUp to $7,500

Oregon Clean Vehicle Rebate

PennsylvaniaUp to $3,000

Alternative Fuel Vehicle (AFV) Rebate Program

Rhode IslandUp to $2,500

DRIVEEV

TexasUp to $2,500

Light-Duty Motor Vehicle Purchase or Lease Incentive

VermontUp to $5,000

Incentive Program for New Electric Vehicles

See full state-by-state EV incentive details

Source: US Department of Energy Alternative Fuels Data Center + state DOR / DEQ program pages. Program details and eligibility limits change frequently — always verify with the linked source before purchase.

Estimated Repair Costs

ENGINE(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

STEERING(~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 60 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: The contact owns a 2020 Chevrolet Suburban. The contact stated that while operating the vehicle a banging noise was present coming from the engine compartment. Additionally, while driving, the cluster gauges and the air conditioning malfunctioned. The vehicle was later examined by an independent mec
Typically appears around 50K miles. Repair cost ~$500
☐
TRANSMISSION: INTERMITTENTLY, WHILE ACCELERATING, A JOLT IS FELT EMANATING FROM THE RIGHT HAD SIDE, POSSIBLY TOWARD THE FRONT OF THE VEHICLE, WHEN THE AUTO FEATURE OF THE 4 WHEEL DRIVE IS ENGAGED. THIS OCCURS AT SPEEDS OVER 50. WHAT IS DESCRIBED IS AN ONGOING PROBLEM, SINCE THE VEHICLE HAS BEEN PURCHASED. NO
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: 2020 CHEVROLET SUBURBAN. UPON VEHICLE START: STEERING ASSIST, TRAILER BRAKE SYSTEM, STABILITY TRACK ALL INOP. TACHOMETER AND SPEEDOMETER INOP. NO REVERSE GEAR. WHEN IN DRIVE, ONLY FIRST GEAR OBTAINABLE AND MANUAL SHIFT MODE INOP. SEAT HEAT INOP. TURNED OFF AND RESTARTED APPROX FIVE TI
Typically appears around 50K miles. Repair cost ~$500
☐
STEERING: 2020 CHEVROLET SUBURBAN. UPON VEHICLE START: STEERING ASSIST, TRAILER BRAKE SYSTEM, STABILITY TRACK ALL INOP. TACHOMETER AND SPEEDOMETER INOP. NO REVERSE GEAR. WHEN IN DRIVE, ONLY FIRST GEAR OBTAINABLE AND MANUAL SHIFT MODE INOP. SEAT HEAT INOP. TURNED OFF AND RESTARTED APPROX FIVE TI
Typically appears around 50K miles. Repair cost ~$500
☐
RECALLS: Verify all 4 recalls have been completed — free at any Chevrolet dealer
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)