Used 2021 BMW X3 for Sale nearPhiladelphia, PA

Compare 2021 BMW X3 Trims in Philadelphia, PA

The 2021 BMW X3 offers a blend of luxury and performance, with options ranging from budget-friendly to high-performance trims.

• Starting at $21,750
• Best MPG/MPGe: 23 city / 29 hwy
• Most Popular: xDrive30i AWD

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

xDrive30i AWD — "Who It's For"

The xDrive30i AWD is the pick for shoppers who want luxury features without the high price tag of the M40i. It's also the most popular trim in the lineup.

• Avg. market price: $21,750 (updated weekly)
• MPG/MPGe: 23 city / 29 hwy
• Inventory: 214 listings — widest selection in the lineup
• View xDrive30i AWD listings

M40i AWD — "Who It's For"

The M40i AWD is the choice for those who desire a powerful engine and enhanced performance features without compromising on luxury.

• Avg. market price: $37,295 (updated weekly)
• MPG/MPGe: 21 city / 27 hwy
• Inventory: 20 listings
• View M40i AWD listings

Trim Recommendations

Most Popular — xDrive30i AWD

With 214 active listings, the xDrive30i AWD is the clear volume leader in the lineup.

Browse xDrive30i AWD listings

Best Budget Option — xDrive30i AWD

At $21,750 avg market price — below the lineup median of $29,522 — it's the most accessible entry point.

Browse xDrive30i AWD listings

Best for Performance — M40i AWD

The M40i AWD offers a powerful 382 hp engine, ideal for those seeking a thrilling driving experience.

Browse M40i AWD listings

These recommendations are based on CarGurus' proprietary market data from November 12, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2021 BMW X3 cost?

Prices have softened 10.73% compared to this time last year, making it a favorable time to shop this model year.

There are 2,227 listings available, which suggests you have a healthy amount of inventory to compare.

Is the 2021 BMW X3 a good car?

Yes — the 2021 BMW X3 earns a 4.8/5 user rating and a 7.5/10 expert rating. The model scores 8/10 across Look and feel, Performance, Technology, and Safety.

Owners consistently praise its comfort, smooth ride, strong performance, and especially comfortable seats. The X3 also stands out for its spacious interior and useful technology, which makes it a strong fit if you want a luxury crossover that feels practical without giving up driving engagement.

The main trade-off is price, since it sits on the expensive end of the segment. Some shoppers may also wish for more interior storage and a few features that competitors offer more broadly.

With 37.9% of listings marked as good or great deals, there is still room to shop selectively.

Is the 2021 BMW X3 reliable?

Owners rate it 4.8/5, a strong signal of long-term satisfaction.

User feedback points to a dependable-feeling ownership experience, with repeated praise for comfort, smooth ride quality, and strong performance over time. The expert review also emphasizes the X3’s solid driving dynamics and practical, easy-to-use technology, which supports confidence in day-to-day use.

BMW’s standard equipment list also helps the X3 feel well equipped from the start, including advanced driver-assistance features and a broad set of convenience items. For used buyers, the main long-term risk is less about outright durability and more about paying for a premium SUV that can be costly to own if it has been poorly maintained.

What should I look for when buying a used 2021 BMW X3?

Accident-free inventory is solid at 78.4% — always verify the vehicle history report.

You should still check the vehicle history carefully, because a clean title alone does not tell you how the SUV was maintained or repaired. Prioritize a pre-purchase inspection, especially on higher-mileage examples or vehicles with optional equipment. Focus on overall condition, since premium features and electronics can be expensive to sort out later.

Key things to evaluate:

• Trim level: The sDrive30i and xDrive30i come standard with 18-inch alloy wheels, push-button start, synthetic leather upholstery, tri-zone climate control, a 10.2-inch infotainment system, navigation, and 10-way power-adjustable front seats. The M40i adds many of the above optional features as standard, plus 19-inch alloy wheels, 14-way power-adjustable front seats, unique exterior styling, and an M Sport suspension.
• Powertrain: The sDrive30i and xDrive30i use a turbocharged four-cylinder engine with 248 horsepower and an eight-speed automatic transmission. The xDrive30e plug-in hybrid makes 288 hp and offers a 17-mile electric-only range. The M40i uses a 382-hp twin-turbo inline-six.
• Safety package: Standard driver assistance includes automatic emergency braking, forward collision warning, pedestrian detection, lane departure warning, blind-spot monitoring, rear cross-traffic alert, and front-and-rear parking sensors. Adaptive cruise control, automatic high beams, headlights that bend with the road, and a head-up display are optional.
• Infotainment: The standard touchscreen measures 10.2 inches and runs iDrive. Apple CarPlay is standard, while Android Auto is optional. Wireless device charging, a fully digital instrument panel, a 16-speaker Harman Kardon premium stereo system, and gesture control are available.
• Fuel efficiency: The xDrive30e plug-in hybrid returns an EPA-estimated 30 MPGe in electric mode and 24 mpg combined in hybrid mode. The sDrive30i returns 25 mpg city, 29 mpg highway, and 27 mpg combined. The xDrive30i returns 23 mpg city, 29 mpg highway, and 25 mpg combined. The M40i returns 21 mpg city, 27 mpg highway, and 23 mpg combined.

Which 2021 BMW X3 trim should I buy?

The 2021 BMW X3 is offered in 4 trim levels: sDrive30i, xDrive30i, M40i, and xDrive30e plug-in hybrid.

Here's the short version:

• sDrive30i: This is the most affordable way into the X3, and it already brings a strong standard equipment list, including the 10.2-inch infotainment system, navigation, synthetic leather upholstery, and power-adjustable front seats. It makes the most sense if you want the X3 experience at the lowest price.
• xDrive30i: This is the best-value choice for many shoppers because it adds all-wheel drive while keeping the core X3 formula intact. If you want the most balanced everyday version, this is the trim to focus on.
• M40i: Choose this if you want the strongest performance and the most upscale standard equipment. It adds the 382-hp twin-turbo inline-six, more aggressive styling, and an M Sport suspension.
• xDrive30e plug-in hybrid: This is the efficiency-focused choice, with 288 hp and an electric-only driving range for short trips. It suits you best if you can regularly charge at home or work.

The safety package is strong across the lineup, but some advanced features remain optional rather than standard.

Is now a good time to buy a used 2021 BMW X3?

This looks like a moderate, selective buyer’s market, so you can shop carefully and still find worthwhile listings.

• Deal availability: 37.9% of listings are priced as good or great deals.
• Inventory: There are 2,227 listings available.
• Price trend: Prices have softened 10.73% compared with last year.
• Clean inventory: 78.4% of listings are accident-free.

If you find a listing below $23,296, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 BMW X3's resale value?

The current average of $23,296 sits slightly below last year's $26,095.

That decline suggests the market has already adjusted downward, which can help you as a buyer but may limit upside if you plan to resell soon. If you buy at the right price and keep the SUV in strong condition, you can reduce the impact of that softer market. Well-equipped, well-maintained examples should remain easier to move than neglected ones.

Vehicles with strong owner satisfaction ratings, like this model year's 4.8/5, tend to retain buyer demand, which supports resale value over time.

Is the 2021 BMW X3 safe?

The 2021 BMW X3 earns an 8/10 safety score from our experts.

It comes standard with automatic emergency braking, forward collision warning, pedestrian detection, lane departure warning, blind-spot monitoring, rear cross-traffic alert, and front-and-rear parking sensors. Adaptive cruise control, automatic high beams, headlights that bend with the road, and a head-up display are optional, so some of the most desirable driver aids still depend on trim or package selection.

Should I buy a 2021 BMW X3 or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 37.9% of listings are priced as good or great deals.
• Accident-free inventory is solid at 78.4% — always verify the vehicle history report.
• Price trend: Prices have softened 10.73% compared with last year.
• Owners rate it 4.8/5 — a strong satisfaction signal.
• The 2021 adds more standard safety features and newly available in-car tech.

Consider the 2022 if:

• At $27,649, the 2022 costs more than the current year's $23,296 average.
• It brings a mid-cycle refresh with new engines, more technology, and an expanded safety suite.

The bottom line: If you want the better value, the 2021 is the smarter buy because prices are softer and inventory is healthy. If you want the newer refresh and can stretch your budget, the 2022 is the better path.

How does the 2021 BMW X3 compare to the 2021 Audi Q5?

Expert Pros & Cons (per CarGurus review team)

2021 BMW X3:

• Pros: Multiple powertrain options, Impressive technology.
• Cons: On the expensive end of the segment.

2021 Audi Q5:

• Pros: Standard all-wheel drive, Comfortable, Impressive technology.
• Cons: Uninspired styling, Interior materials feel cheap, Advanced safety features are not standard.

Our experts score the 2021 BMW X3 7.5/10 and the 2021 Audi Q5 8/10. The X3 gives you more powertrain variety, while the Q5 counters with standard all-wheel drive and a slightly higher expert score. The BMW is the pricier choice, but it also brings strong technology and a more engaging driving character. The Audi looks like the value play here, especially if you want comfort and standard AWD.

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.