Used 2020 GMC Sierra 2500HD for Sale nearMontreal, QC

How much does the 2020 GMC Sierra 2500HD cost?

Prices have softened 4.99% compared to this time last year, making it a favourable time to shop this model year.

There are 52 listings available, which gives you a modest amount of choice in the used market.

Is the 2020 GMC Sierra 2500HD a good car?

Yes — owners rate it 4.86/5, which points to strong overall satisfaction. In owner feedback, the biggest positives are its performance, comfort, and towing capability, along with the power and appealing features that make it feel more premium than many heavy-duty rivals. That fits especially well if you want serious truck capability without giving up a more upscale cabin experience. With 32.7% of listings marked as good or great deals, you have a decent chance of finding a competitive example.

Is the 2020 GMC Sierra 2500HD reliable?

Owners rate it 4.86/5, a strong signal of long-term satisfaction.

Owner feedback also points to a truck that many people feel they can count on for performance and towing, with dependable capability being part of its appeal. That said, used buyers should still budget for careful inspection because heavy-duty trucks can carry expensive repair risk if prior use or maintenance history is unclear.

Is now a good time to buy a used 2020 GMC Sierra 2500HD?

This is a moderate, selective buyer’s market, so you can shop with some leverage if you are patient and focused.

• Deal availability: 32.7% of listings are priced as good or great deals.
• Inventory: There are 52 listings available.
• Price trend: Prices have softened 4.99% compared with last year.

If you find a listing below $53,181 CAD, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2020 GMC Sierra 2500HD's resale value?

The current average of $55,001 CAD sits slightly below last year's $57,890 CAD.

That decline suggests the market has eased a bit, which can help you buy more selectively today but may also mean future resale gains are limited if prices continue to soften. For a future seller, the current trend points to a truck that still holds meaningful value, but not one that is appreciating. Strong demand from shoppers who want heavy-duty capability and a more premium cabin should help support pricing better than a more basic work truck.

Vehicles with strong owner satisfaction ratings, like this model year's 4.86/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2020 GMC Sierra 2500HD 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:

• 32.7% of listings are priced as good or great deals.
• Price trend: Prices have softened 4.99% compared with last year.
• Owners rate it 4.86/5 — a strong satisfaction signal.

The bottom line: The 2020 is a strong choice if you want heavy-duty capability with a more premium feel and you can find a well-priced example. If you are shopping mainly on value, a nearby year may be worth comparing, but the 2020 makes the most sense when comfort, towing confidence, and owner satisfaction matter as much as price.

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