2020 BMW 3 Series Depreciation

A 6-year-old 2020 BMW 3 Series has lost about 46.1% of its roughly $42,750 original value. In the 2026 source cohort, it typically listed for around $27,590, with most listings between $24,590 and $39,991. Listed examples average 54,964 miles.

BMW 3 Series exterior
Photo: Charles via Wikimedia Commons · CC BY 2.0

2020 BMW 3 Series Price by Mileage

What buyers actually pay at different odometer readings.

30k–50k mi
$27,590· 16 listings
50k–75k mi
$25,790· 34 listings
75k–100k mi
$29,576· 6 listings

How Mileage Affects 2020 BMW 3 Series Price

Each dot is a real listing — price plotted against odometer reading.

2020 BMW 3 Series median price by mileage band
MileageMedian priceListings
30k–50k mi$27,59016
50k–75k mi$25,79034
75k–100k mi$29,5766

What's a Good Price for a 2020 BMW 3 Series?

Great deal

Under $24,998

Typical

$24,998$36,563

Overpriced

Above $36,563

Based on the middle 50% of listings — always adjust for mileage and condition.

Price Spread

Range across 60 listings.

Low $23,560High $43,139

Half of all listings fall between $24,998 and $36,563, with a median of $27,590.

Ownership & Condition

Across 60 2020 BMW 3 Series listings.

Accident-free

50%

One-owner

25%

Avg owners

2

Personal use

0%

Depreciation by Trim

See how each 2020 BMW 3 Series trim holds its value.

TrimFuelMSRPMedian ResaleDepreciationListings
M340i xDriveGasoline$56,000$40,48335.8%10
M340iGasoline$54,000$38,99037.6%11
330iGasoline$40,750$25,60246.5%20
330i xDriveGasoline$42,750$25,59048.0%19

How the 2020 BMW 3 Series Compares to Other Years

At 46.1% depreciation, the 2020 BMW 3 Series sits among its neighbors on the depreciation curve. The one-year-newer 2021 has lost 44.6% (around $24,699). The older 2019 sits at 52.9% (around $22,990), so dropping back a year saves about $4,600. Buying one model year newer or older is one of the easiest ways to trade purchase price against age and remaining warranty.

Known Issues & Complaints

51 NHTSA complaints, 0 recalls reported.

ELECTRICAL SYSTEM

19 complaints

The contact owns a 2020 BMW 330i. The contact stated that upon starting the vehicle, the starter made an abnormal, grinding metal-like sound. The vehicle was taken to the dealer, who diagnosed that the starter had failed. The starter was re

1 crash

ENGINE

12 complaints

Good afternoon. I have called and spoken to my local BMW dealership at Grayson BMW service department many times. As of today they report no remedy and have no idea when a resolution will be available. Filing this complaint (second formal w

2 fires

UNKNOWN OR OTHER

5 complaints

Manufacturer unable to remedy recall. No parts available nor timeline of when a replacement will be available.

1 crash

AIR BAGS

4 complaints

The contact owned a 2020 BMW 330i. The contact stated that while accelerating from a complete stop and making a left turn, another vehicle, trying to beat the light and driving 60 MPH, crashed into the driver's side of the vehicle. The cont

2 crashes3 injuries

STRUCTURE

2 complaints

Within days of purchasing the vehicle, multiple warning lights and safety-related alerts appeared, including repeated check engine warnings, an alert stating “Driver Assistance Support Reduced,” and a wrench indicator referencing an auto li

1 injury

VISIBILITY

2 complaints

Failed Component: Driver Side (Left) Exterior Mirror Available for Inspection: Yes Safety Risk: The mirror does not stay securely unfolded, requiring manual adjustment while driving, which creates a major distraction and increases the risk

Top Issues

  • ELECTRICAL SYSTEM
  • ENGINE
  • UNKNOWN OR OTHER
  • AIR BAGS
  • STRUCTURE

2020 BMW 3 Series Listings

Real 2020 3 Series listings on the market now.

Live dealer listings, refreshed periodically. Prices and availability change.

Frequently Asked Questions

How much is a 2020 BMW 3 Series worth?

A 2020 BMW 3 Series is typically worth around $27,590, with most listings falling between $24,590 and $39,991. The single biggest swing factor is mileage — listed examples average about 54,964 miles, and each additional 10,000 miles shaves a few percent off the price. Condition, accident history, trim, and how many owners a car has had move the number from there. Treat the median as a fair starting point and adjust up for a clean, low-mileage, one-owner car or down for higher mileage and any reported damage.

How much has the 2020 BMW 3 Series depreciated?

The 2020 BMW 3 Series has lost about 46.1% of its original $42,750 base MSRP — roughly $19,708 in value, after adjusting listing prices to typical mileage for the age. Most of a car's lifetime depreciation happens in its earliest years, so a vehicle of this age has usually weathered the steepest part of the curve already. That's what makes a well-kept example at this age an efficient buy: you let the original owner absorb the fastest depreciation, then enjoy a much slower decline from here.

How many miles does a used 2020 3 Series have?

Listed 2020 3 Seriess average about 54,964 miles, with most between 41,651 and 71,745. As a rule of thumb, "average" mileage for any car is roughly 12,000 miles per year of age, so compare a specific listing against that benchmark. A below-average odometer commands a premium and an above-average one a discount, but a higher-mileage car with complete service records and one owner can be a better buy than a low-mileage car with gaps in its history. Consistent maintenance does more for a car's remaining lifespan than a low number on the odometer alone.

What is a good price for a 2020 BMW 3 Series?

For a 2020 BMW 3 Series, anything under $24,998 is a strong deal, $24,998 to $36,563 is the typical range where most cars trade, and above $36,563 is on the expensive side — those higher prices usually buy lower mileage, a certified warranty, or a premium trim. Always weigh the asking price against the car's specific mileage and condition rather than the sticker alone: a slightly higher price for a clean, one-owner, accident-free example is often money well spent. And treat a listing priced well below the range as a prompt to dig deeper — unusually cheap cars almost always have a reason, whether it's high mileage, accident history, or a branded title.

Methodology

Figures for the 2020 BMW 3 Series are computed from 60 real used-car listings. Each asking price is normalized to a standard 12,000 miles per year for the car's age, adjusted by a 5% asking-to-sale estimate, and compared against the original base MSRP for that VIN's trim. Full methodology. Updated June 2026.