2020 Mazda CX-30 Depreciation
A 6-year-old 2020 Mazda CX-30 has lost about 35.3% of its roughly $27,600 original value. In the 2026 source cohort, it typically listed for around $19,846, with most listings between $15,784 and $21,998. Listed examples average 71,872 miles.

2020 Mazda CX-30 Price by Mileage
What buyers actually pay at different odometer readings.
How Mileage Affects 2020 Mazda CX-30 Price
Each dot is a real listing — price plotted against odometer reading.
| Mileage | Median price | Listings |
|---|---|---|
| Under 30k mi | $23,990 | 9 |
| 30k–50k mi | $21,699 | 31 |
| 50k–75k mi | $19,998 | 55 |
| 75k–100k mi | $17,639 | 38 |
| 100k–130k mi | $14,895 | 24 |
| Over 130k mi | $13,177 | 6 |
What's a Good Price for a 2020 Mazda CX-30?
Great deal
Under $16,896
Typical
$16,896–$20,998
Overpriced
Above $20,998
Based on the middle 50% of listings — always adjust for mileage and condition.
Price Spread
Range across 164 listings.
Half of all listings fall between $16,896 and $20,998, with a median of $19,785.
Ownership & Condition
Across 164 2020 Mazda CX-30 listings.
Accident-free
50%
One-owner
33.3%
Avg owners
2
Personal use
79.2%
2020 Mazda CX-30 Efficiency & Specs
EPA fuel-economy and powertrain data.
Combined
27 MPG
City / Hwy
25 / 32
Fuel / year
$2,250
Fuel
Regular
Engine
2.5L 4-cyl
EPA class
Small Sport Utility Vehicle 2WD
Depreciation by Trim
See how each 2020 Mazda CX-30 trim holds its value.
How the 2020 Mazda CX-30 Compares to Other Years
At 35.3% depreciation, the 2020 Mazda CX-30 sits among its neighbors on the depreciation curve. The one-year-newer 2021 has lost 30.4% (around $20,503), so stepping up a model year costs roughly $657 more. Buying one model year newer or older is one of the easiest ways to trade purchase price against age and remaining warranty.
Safety Ratings
NHTSA crash test ratings for the 2020 Mazda CX-30.
Known Issues & Complaints
31 NHTSA complaints, 3 recalls reported.
UNKNOWN OR OTHER
7 complaintsI am experiencing sharp edge on the Driver Side window up button. The Nicle plating is wearing off and causing safety concern. I have images of the concern. Will send upon request. Mazda is suggesting that I take the vehicle in for diagnost
ELECTRICAL SYSTEM
5 complaintsMy 2020 Mazda CX-30 has an intermittent no-start condition caused by a complete electrical failure. This occurs randomly, often overnight and after long or short trips. When it happens: The car does not respond to the key fob or ignition Da
STRUCTURE
3 complaintsThere is a module that should connect to the hatch door to open. That module in no longer available. Without the hatch door opening, in case of side impact and being pushed into something else, there is no way to get out of the car. This po
POWER TRAIN
3 complaintsI OWN 2020 MAZDA CX 30 WITH 66000 MILES. THE TRANSMISSION WAS SHIFTING WITH JERKY MOTIONS. ON JULY 14, 2025 I BROUGHT THE CAR TO PALISADES MAZDA IN ROCKLAND COUNTY NEW YORK TO HAVE TRANSMISSION LOOKED AT AND TO CHANGE TRANSMISSION FLUID CHA
SERVICE BRAKES
3 complaintsWhile driving across Speer Blvd in Denver, CO (6 lanes) the emergency assist brake engaged and brought my car to a complete stop. There were no cars or objects ahead of me and fortunately the cars behind me were able to stop.
ENGINE
2 complaintsLow Engine Oil Light keeps appearing at seemingly random intervals. I will heat up my vehicle, begin driving, and sometimes after 10 minutes, sometimes after 20 minutes it will come on. I drove 2.5 hours and it did not come on at all. It fi
Top Issues
- UNKNOWN OR OTHER
- ELECTRICAL SYSTEM
- STRUCTURE
- POWER TRAIN
- SERVICE BRAKES
Buyer Red Flags
- !Recall 21V086000 (STRUCTURE): Mazda North American Operations (Mazda) is recalling certain 2020-2021 CX-30 vehicles. When fully opened, the power liftgate may partially lower unexpectedly when the vehicle is pa
- !Recall 20V346000 (SERVICE BRAKES, HYDRAULIC): Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 and Mazda3 vehicles. The front brake caliper mounting bolts may not have been tightened properly during asse
- !Recall 20V347000 (FUEL SYSTEM, GASOLINE): Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 vehicles equipped with all-wheel drive. The evaporative vent hose for the fuel tank may be disconnected, pos
2020 Mazda CX-30 Listings
Real 2020 CX-30 listings on the market now.

$17,985
2020 · Black
41,965 mi · San Pedro, CA
View listing →

$18,275
2020 · Silver
44,124 mi · Washington, MI
View listing →

$17,535
2020 · Black
50,320 mi · Montclair, CA
View listing →

$19,990
2020 · White
52,488 mi · Lakewood, NJ
View listing →

$20,590
2020 Premium · Gray
63,703 mi · Chicago, IL
View listing →

$17,945
2020 · Black
66,521 mi · Honolulu, HI
View listing →
Live dealer listings, refreshed periodically. Prices and availability change.
Frequently Asked Questions
How much is a 2020 Mazda CX-30 worth?
A 2020 Mazda CX-30 is typically worth around $19,846, with most listings falling between $15,784 and $21,998. The single biggest swing factor is mileage — listed examples average about 71,872 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 Mazda CX-30 depreciated?
The 2020 Mazda CX-30 has lost about 35.3% of its original $27,600 base MSRP — roughly $9,743 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 CX-30 have?
Listed 2020 CX-30s average about 71,872 miles, with most between 41,292 and 105,424. 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 Mazda CX-30?
For a 2020 Mazda CX-30, anything under $16,896 is a strong deal, $16,896 to $20,998 is the typical range where most cars trade, and above $20,998 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 Mazda CX-30 are computed from 108 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 August 2026.