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.

2020 BMW 3 Series Price by Mileage
What buyers actually pay at different odometer readings.
How Mileage Affects 2020 BMW 3 Series Price
Each dot is a real listing — price plotted against odometer reading.
| Mileage | Median price | Listings |
|---|---|---|
| 30k–50k mi | $27,590 | 16 |
| 50k–75k mi | $25,790 | 34 |
| 75k–100k mi | $29,576 | 6 |
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.
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.
| Trim | Fuel | MSRP | Median Resale | Depreciation | Listings |
|---|---|---|---|---|---|
| M340i xDrive | Gasoline | $56,000 | $40,483 | 35.8% | 10 |
| M340i | Gasoline | $54,000 | $38,990 | 37.6% | 11 |
| 330i | Gasoline | $40,750 | $25,602 | 46.5% | 20 |
| 330i xDrive | Gasoline | $42,750 | $25,590 | 48.0% | 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 complaintsThe 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
ENGINE
12 complaintsGood 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
UNKNOWN OR OTHER
5 complaintsManufacturer unable to remedy recall. No parts available nor timeline of when a replacement will be available.
AIR BAGS
4 complaintsThe 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
STRUCTURE
2 complaintsWithin 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
VISIBILITY
2 complaintsFailed 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.

$38,990
2020 M340i · Black
53,852 mi · Atlanta, GA
View listing →

$25,590
2020 330i xDrive · Black
55,548 mi · Indianapolis, IN
View listing →

$30,990
2020 330i · Gray
22,427 mi
View listing →

$30,590
2020 330i · Black
25,785 mi
View listing →

$29,990
2020 330i xDrive · Black
27,557 mi
View listing →

$29,590
2020 330i xDrive · Blue
29,733 mi
View listing →
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.