Used 2020 BMW 3 Series for SaleNationwide

How much does the 2020 BMW 3 Series cost?

Prices have softened 8.01% compared to this time last year, making it a favourable time to shop this model year.

There are 145 listings available, which suggests you have a reasonable amount of inventory to compare.

Is the 2020 BMW 3 Series a good car?

Generally — the 2020 BMW 3 Series earns a 4.1/5 user rating and an 8.2/10 expert rating, which points to a strong overall showing for a premium sedan. The standout strength is Performance at 10/10.

Owners repeatedly praise its performance, comfortable interior, and beautiful design, with the M340i drawing especially strong enthusiasm for its driving dynamics and power. The trade-offs are familiar: some shoppers find the cabin a bit cramped for taller occupants, and pricing and value come up as recurring concerns.

That fits the car’s role well: it is aimed at you if you want a premium sedan that can handle spirited driving without giving up daily comfort. With 31.0% of listings marked as good or great deals, there is still some room to shop carefully.

Is the 2020 BMW 3 Series reliable?

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

The user feedback also points to a car that many drivers consider reliable, dependable, and trouble-free enough to count on for regular use. On the expert side, the car’s strong performance and polished driving character suggest a well-engineered package that should feel reassuring over time.

You also get free scheduled maintenance and warranty for the first four years or 80,000 km of ownership, which helps reduce early ownership stress. For used buyers, the main long-term risk is that premium-car upkeep can still become expensive once that coverage window has passed.

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

Key things to evaluate:

• Trim level: The base 330i includes BMW’s xDrive all-wheel-drive system in Canada, but it does not include extra-cost metallic paint. The M340i adds a much more serious performance focus, and it is the version most clearly singled out as the standout choice if you can stretch your budget.
• Powertrain: The M340i uses a 3.0-litre turbo inline six-cylinder engine with 382 horsepower and 369 pound-feet of torque, paired with BMW’s rear-biased xDrive AWD drivetrain, a rear M Sport differential, and an 8-speed automatic transmission.
• Safety package: To get BMW’s latest advanced driver assistance systems, you need the Advanced Driver Assistance package. The safety features are described as accurate, but the lane-keeping assist can feel abrupt, and the package is optional rather than standard.
• Infotainment: BMW’s iDrive system includes a touchscreen display, natural voice recognition, gesture control, and the familiar centre-console knob and buttons. The touchscreen is praised as intuitive, while gesture control is optional.
• Fuel efficiency: No fuel-consumption 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 entry point, and it still gives you the core 3 Series experience with xDrive all-wheel drive in Canada. If you want the badge, the premium feel, and a strong everyday driving balance without chasing the highest price, this is the sensible pick.
• M340i: This is the trim to target if you care most about performance. It adds the 3.0-litre turbo inline six, rear-biased xDrive, a rear M Sport differential, and M Sport brakes, and it is the version most clearly described as worth the extra money if you can afford it.

If you want the most complete safety setup, remember that the Advanced Driver Assistance package is required.

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

This is a moderate market for selective buyers, so it makes sense to compare listings carefully and move quickly on the right car.

• Deal availability: 31.0% of listings are priced as good or great deals.
• Inventory: There are 145 listings available.
• Price trend: Prices have softened 8.01% compared with last year.

If you find a listing below $30,104 CAD, 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 $33,501 CAD sits slightly below last year's $36,420 CAD.

That softer pricing can help you buy more confidently today, but it also means a future seller may need to be realistic about expectations if the market stays competitive. The current trend suggests the model is no longer commanding the same pricing strength it did a year ago.

Even so, the 3 Series still has the kind of enthusiast appeal that can support demand over time, especially in well-kept examples with desirable equipment. 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.

To equip the car with BMW’s latest advanced driving assistance systems, you need the Advanced Driver Assistance package. The available safety features are described as accurate, but the lane-keeping assist can feel abrupt, and the package is optional rather than standard.

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:

• 31.0% of listings are priced as good or great deals.
• Price trend: Prices have softened 8.01% compared with last year.
• Owners rate it 4.1/5 — a solid satisfaction signal.
• The 2020 stands out for its especially strong performance focus, with the M340i positioned between the 330i and the forthcoming M3.

The bottom line: If you want the sharper, more performance-focused version of the 3 Series formula, the 2020 model is the one to target. If your priority is simply the lowest possible purchase price, a nearby year may be worth a look, but the 2020’s mix of strong performance, premium feel, and softened pricing makes it the more compelling all-round choice for many shoppers.

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.