Used 2020 BMW 3 Series for Sale nearPhoenix, AZ

Compare 2020 BMW 3 Series Trims in Phoenix, AZ

The 2020 BMW 3 Series offers a range of trims from budget-friendly options to performance-oriented models, catering to various driving preferences.

• Starting at $21,928
• Best MPG/MPGe: 26 city / 36 hwy
• Most Popular: 330i Sedan RWD

Trim Overview

Prices updated weekly from CarGurus listings.

Quick Compare Table

Listing prices sourced from CarGurus — updated weekly. OEM specs from manufacturer data.

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Trim Deep Dives

330i Sedan RWD — "Who It's For"

The 330i Sedan RWD is the pick for shoppers who want a luxury sedan experience without the higher price tag of performance trims.

• Avg. market price: $21,928 (updated weekly)
• MPG/MPGe: 26 city / 36 hwy
• Inventory: 73 listings
• View 330i Sedan RWD listings

330i xDrive Sedan AWD — "Who It's For"

The 330i xDrive Sedan AWD is the choice for buyers seeking all-wheel drive capability without a significant price increase.

• Avg. market price: $28,128 (updated weekly)
• MPG/MPGe: 25 city / 34 hwy
• Inventory: 44 listings
• View 330i xDrive Sedan AWD listings

M340i Sedan RWD — "Who It's For"

The M340i Sedan RWD is ideal for those wanting a performance edge with a powerful engine and luxury features.

• Avg. market price: $38,463 (updated weekly)
• MPG/MPGe: 22 city / 30 hwy
• Inventory: 17 listings — lower availability; may limit negotiating room
• View M340i Sedan RWD listings

M340i xDrive Sedan AWD — "Who It's For"

The M340i xDrive Sedan AWD is perfect for shoppers who want a high-performance sedan with all-weather capability.

• Avg. market price: $28,128 (updated weekly)
• MPG/MPGe: 22 city / 30 hwy
• Inventory: 10 listings — lower availability; may limit negotiating room
• View M340i xDrive Sedan AWD listings

Trim Recommendations

Most Popular — 330i Sedan RWD

With 73 active listings, the 330i Sedan RWD is the clear volume leader in the lineup.

Browse 330i Sedan RWD listings

Best Budget Option — 330i Sedan RWD

At $21,928 avg market price — below the lineup median of $28,128 — it's the most accessible entry point.

Browse 330i Sedan RWD listings

Best for Fuel Economy — 330i Sedan RWD

With an impressive 26/36 MPG, the 330i Sedan RWD leads the lineup in fuel efficiency.

Browse 330i Sedan RWD listings

These recommendations are based on CarGurus' proprietary market data from October 29, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2020 BMW 3 Series cost?

Prices have softened 9.90% compared to this time last year, making it a favorable time to shop this model year.

There are 1,411 listings available, which suggests solid inventory for shoppers comparing options.

Is the 2020 BMW 3 Series a good car?

Generally — the 2020 BMW 3 Series earns a 4.1/5 user rating, and our experts give it an 8.2/10 overall score. The standout strength is Performance at 10/10.

Owners consistently praise its beautiful design, strong performance, and comfortable interior. The M340i variant gets especially strong feedback for its power and driving dynamics, and the car is also described as fun to drive and comfortable.

The main trade-offs are a potentially polarizing design and poor value for money. That matters most if you want a premium sedan that feels special from behind the wheel but still need to justify the price.

If you want a driver-focused luxury sedan with a strong personality, this model year fits that brief well. The market also shows 34.9% good or great deals, so there are still opportunities if you shop carefully.

Is the 2020 BMW 3 Series reliable?

Owners rate it 4.1/5, a solid signal of long-term satisfaction.

User feedback points to a car that many drivers found dependable in daily use, with strong praise for the way it holds up as a comfortable, enjoyable long-term companion. The same feedback also suggests that the car’s appeal is tied to lasting satisfaction with its design, performance, and interior comfort.

The expert notes reinforce that sense of confidence by describing the car as a strong, well-engineered driver’s machine. BMW also includes free scheduled maintenance for the first three years or 36,000 miles of ownership, which helps reduce early ownership burden.

For used buyers, the bigger long-term risk is less about outright durability and more about whether the car’s premium running costs and option-heavy setup still fit your budget.

What should I look for when buying a used 2020 BMW 3 Series?

At 67.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and then prioritize a thorough pre-purchase inspection, especially if the car has been optioned heavily or shows signs of prior bodywork. Focus on condition, maintenance records, and whether the car still feels tight, quiet, and well sorted on the road.

Key things to evaluate:

• Trim level: The base 330i starts at $40,750 and the M340i rises to $56,000 before options, so the equipment gap is meaningful. The M340i is the standout for buyers who want the strongest driving experience, while the base car is the better fit if you want the badge and dynamics without stretching as far.
• Powertrain: The M340i uses a turbocharged 3.0-liter inline 6-cylinder engine with 382 horsepower and 369 pound-feet of torque, paired with an 8-speed automatic transmission and available xDrive all-wheel drive. It is tuned for strong acceleration and engaging handling.
• Safety package: To get the latest advanced driver-assistance systems, you need two Driving Assistance option packages. The available systems include lane-keeping assist, but BMW notes that smoothness can be inconsistent.
• Infotainment: The latest iDrive system includes a touchscreen, natural voice recognition, and gesture control, along with the familiar controller and buttons. The voice system is especially strong, and the touchscreen is easy to use.
• Fuel efficiency: No fuel-economy figure is stated in the available data.

Which 2020 BMW 3 Series trim should I buy?

The 2020 BMW 3 Series is offered in 2 trim levels: 330i and M340i.

Here's the short version:

• 330i: This is the more accessible choice, and it still gives you the core 3 Series experience with BMW’s upscale feel and strong driving character. It makes the most sense if you want the model’s balance of comfort, style, and performance without paying for the top-end hardware.
• M340i: This is the best-value trim for enthusiasts because it adds the most compelling performance package, including the turbocharged inline-6, xDrive availability, and the most complete driving setup. If you care most about how the car feels from behind the wheel, this is the one to target.

For safety, BMW says you need to option the car with two Driving Assistance packages to get the full suite of advanced driver-assistance features.

Is now a good time to buy a used 2020 BMW 3 Series?

The market looks moderately favorable if you are a selective buyer.

• Deal availability: 34.9% of listings are priced as good or great deals.
• Inventory: There are 1,411 listings available.
• Price trend: Prices have softened 9.90% compared with last year.
• Clean inventory: 67.1% of listings are accident-free.

If you find a listing below $23,170, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2020 BMW 3 Series's resale value?

The current average of $23,170 sits slightly below last year's $25,715.

That price movement suggests the model has softened, which can help you as a buyer today but may limit upside if you plan to resell soon. A lower entry price can also make depreciation feel less painful if you buy near the current market average.

For future sellers, the key question is whether your car stands out with the right trim, condition, and equipment. Well-kept examples with desirable performance hardware should remain easier to move than tired or heavily worn ones.

Vehicles with solid owner satisfaction ratings, like this model year's 4.1/5, tend to retain buyer demand, which supports resale value over time.

Is the 2020 BMW 3 Series safe?

The 2020 BMW 3 Series earns a Top Safety Pick+ rating from the Insurance Institute for Highway Safety when equipped with the adaptive full LED headlights.

It earns a 9/10 safety score from our experts.

BMW says the car can be equipped with advanced driver-assistance systems through two Driving Assistance option packages. The available systems include lane-keeping assist, and the expert notes say the system can feel abrupt, which may be a reminder that this is still a car meant to keep you actively involved.

The main safety caveat is that the full ADAS suite is not standard, so you need to check whether a used example has the right packages and lighting equipment.

Should I buy a 2020 BMW 3 Series or consider a different year?

If you're weighing the 2020 against nearby model years, here's how to think about it:

Choose the 2020 if:

• 34.9% of listings are priced as good or great deals.
• At 67.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 9.90% compared with last year.
• Owners rate it 4.1/5 — a solid satisfaction signal.
• It pairs strong performance with a more modern, tech-rich cabin and a standout M340i.

Consider the 2019 if:

• At $19,981, the 2019 costs less than the current year's $23,170 average.
• It is a polished, premium sport sedan with a strong software update.

Consider the 2021 if:

• At $25,039, the 2021 costs more than the current year's $23,170 average.
• It adds the 330e plug-in hybrid for buyers who want more efficiency.

The bottom line: If you want the strongest blend of performance, tech, and current-market value, the 2020 is the best starting point. If your budget is tighter, the 2019 can save you money while keeping the core 3 Series formula intact.

How does the 2020 BMW 3 Series compare to the 2020 Audi A4?

Read our full side-by-side expert comparison here.

These recommendations are based on CarGurus' proprietary market data from November 10, 2026, CarGurus experts' opinions, and generative AI.