Used 2021 BMW X3 for Sale nearPortland, ME

Compare 2021 BMW X3 Trims

The 2021 BMW X3 offers a range of trims from budget-friendly options to performance-oriented models, catering to various driving needs.

• Starting at $21,705
• Best MPG/MPGe: 59 city / 61 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

sDrive30i RWD — "Who It's For"

The sDrive30i RWD is the pick for shoppers who want a luxury SUV experience without the AWD price premium. It's the most budget-friendly option in the lineup.

• Avg. market price: $21,705 (updated weekly)
• MPG/MPGe: 25 city / 29 hwy
• Inventory: 2,181 listings — widest selection in the lineup
• View sDrive30i RWD listings

xDrive30i AWD — "Who It's For"

The xDrive30i AWD is the pick for shoppers who want all-wheel drive without stepping up to a higher price point. It's also the most popular trim in the lineup.

• Avg. market price: $24,025 (updated weekly)
• MPG/MPGe: 23 city / 29 hwy
• Inventory: 4,049 listings — widest selection in the lineup
• View xDrive30i AWD listings

xDrive30e AWD — "Who It's For"

The xDrive30e AWD is the pick for shoppers who want a hybrid option with excellent fuel efficiency. Its lower availability may limit negotiating room.

• Avg. market price: $25,591 (updated weekly)
• MPG/MPGe: 59 city / 61 hwy
• Inventory: 55 listings — lower availability; may limit negotiating room
• View xDrive30e AWD listings

M40i AWD — "Who It's For"

The M40i AWD is the pick for shoppers who want a performance-oriented SUV with a powerful engine. It offers a more dynamic driving experience.

• Avg. market price: $32,827 (updated weekly)
• MPG/MPGe: 21 city / 27 hwy
• Inventory: 676 listings
• View M40i AWD listings

Trim Recommendations

Most Popular — xDrive30i AWD

With 4,049 active listings, the xDrive30i AWD is the clear volume leader in the lineup.

Browse xDrive30i AWD listings

Best Budget Option — sDrive30i RWD

At $21,705 avg market price — below the lineup median of $24,808 — it's the most accessible entry point.

Browse sDrive30i RWD listings

Best for Fuel Economy — xDrive30e AWD

The xDrive30e AWD offers impressive fuel efficiency with 59/61 MPG/MPGe.

Browse xDrive30e AWD listings

These recommendations are based on CarGurus' proprietary market data from September 24, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2021 BMW X3 cost?

Prices have softened 10.07% compared to this time last year, making it a favorable time to shop this model year.

There are 2,189 listings available, which gives you a solid amount of inventory to compare before you buy.

Is the 2021 BMW X3 a good car?

Yes — you’re looking at a 4.8/5 user-rated SUV with an expert score of 7.5/10. The model scores 8/10 across Look and feel, Performance, Technology, and Safety.

Owners consistently praise the comfortable seats, smooth ride, and strong performance, and they also like the power from the engine. The X3’s spacious interior and upscale feel fit well if you want a luxury crossover that still feels practical for daily use. The main trade-off is that some owners wish it had more interior storage and more available features than some rivals.

The expert take lines up with that use case: you get a well-rounded compact luxury SUV that balances comfort, capability, and modern equipment, but it sits on the expensive end of the segment. Even so, 36.7% of listings are priced as good or great deals, which suggests there’s room to shop selectively.

Is the 2021 BMW X3 reliable?

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

The owner feedback points to a vehicle that feels comfortable, smooth, and strong over time, with the kind of everyday refinement that helps build confidence in long-term ownership. The expert notes also emphasize that the X3 is practical and easy to live with, which supports the idea that it should remain a dependable choice for many buyers.

For used shoppers, the main long-term risk is less about the core package and more about finding one that has been maintained properly and equipped the way you want.

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

Accident-free inventory is solid at 81.7% — always verify the vehicle history report.

You should still check the history report carefully, because a clean listing percentage does not replace a proper records review. Prioritize a pre-purchase inspection, especially if you’re considering a higher-mileage example or one with more optional equipment. Focus on overall condition, feature operation, and whether the vehicle matches the equipment level you expect.

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 19-inch alloy wheels, 14-way power-adjustable front seats, unique exterior styling, and an M Sport suspension. The xDrive30e plug-in hybrid follows the same standard-and-optional feature pattern as the lower trims.
• Powertrain: The sDrive30i and xDrive30i use a turbocharged four-cylinder with 248 horsepower and an eight-speed automatic. The xDrive30e plug-in hybrid makes 288 hp and offers a 17-mile electric-only range. The M40i steps up to a 382-hp twin-turbo inline-six for much stronger acceleration.
• 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: You get a standard 10.2-inch touchscreen with iDrive, plus Apple CarPlay. Android Auto is optional. Wireless device charging, a fully digital instrument panel, and a 16-speaker Harman Kardon premium stereo are also available.
• Fuel efficiency: The xDrive30e plug-in hybrid returns 30 MPGe in electric mode and 24 mpg 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 value play if you want the X3’s core strengths at the lowest starting price. You still get the 10.2-inch infotainment system, navigation, synthetic leather upholstery, and a strong standard equipment list, so it covers the basics well for everyday luxury-SUV use.
• xDrive30i: Choose this if you want the same overall package with all-wheel drive. It makes the most sense if you live where traction matters and want the X3’s balanced character without moving up to the pricier performance trims.
• xDrive30e plug-in hybrid: This is the efficiency-focused choice. It adds plug-in capability, 288 hp, and a 17-mile electric-only range, making it the best fit if you can regularly charge at home or work.
• M40i: This is the performance pick. With a 382-hp twin-turbo inline-six, more aggressive styling, and an M Sport suspension, it suits you if driving enjoyment matters more than keeping costs down.

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 is a moderate market for selective buyers, so you can shop with some leverage if you’re patient.

• Deal availability: 36.7% of listings are priced as good or great deals.
• Inventory: There are 2,189 listings available.
• Price trend: Prices have softened 10.07% compared with last year.
• Clean inventory: 81.7% of listings are accident-free.

If you find a listing below $24,035, 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 $24,202 sits slightly below last year's $26,912.

That decline suggests the market has already adjusted downward, which can help you buy at a more favorable entry point today. For a future seller, it also means your resale outcome will depend heavily on condition, mileage, and equipment, since the broader market has softened. Well-kept examples with desirable features should still draw attention, but you should expect pricing pressure if your vehicle is average or poorly equipped.

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 X3 comes standard with advanced driver-assistance features such as automatic emergency braking, forward collision warning, pedestrian detection, lane departure warning, blind-spot monitoring, rear cross-traffic alert, and front-and-rear parking sensors.

It earns an 8/10 safety score from our experts.

That standard safety suite gives you a strong baseline, especially for a luxury compact SUV. If you want more assistance tech, adaptive cruise control, automatic high beams, headlights that bend with the road, and a head-up display are available, but they are not standard.

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:

• 36.7% of listings are priced as good or great deals.
• Accident-free inventory is solid at 81.7% — always verify the vehicle history report.
• Price trend: Prices have softened 10.07% 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 $28,743, the 2022 costs more than the current year's $24,202 average.
• It adds more technology, more safety equipment, and revised styling.

The bottom line: If you want the better value today, the 2021 is the smarter buy because prices are softer and inventory is healthy. If you’re willing to pay more for the refresh, the 2022 is the better path for shoppers who want the newer updates and can stretch their budget.

These recommendations are based on CarGurus' proprietary market data from September 22, 2026, CarGurus experts' opinions, and generative AI.