Used 2020 GMC Terrain for Sale nearIrvine, CA

Compare 2020 GMC Terrain Trims

The 2020 GMC Terrain offers a range of trims from budget-friendly options to more luxurious models, catering to various needs and preferences.

• Starting at $16,246
• Best MPG/MPGe: 26 city / 30 hwy
• Most Popular: SLT AWD

Trim Overview

Prices updated weekly from CarGurus listings.

Quick Compare Table

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

Missing data displayed as "—".

Trim Deep Dives

SLE FWD — "Who It's For"

The SLE FWD is the pick for shoppers who want essential features without paying for extras. It's the most budget-friendly option in the lineup.

• Avg. market price: $16,246 (updated weekly)
• MPG/MPGe: 26 city / 30 hwy
• Inventory: 1,558 listings — widest selection in the lineup
• View SLE FWD listings

SLE AWD — "Who It's For"

The SLE AWD is the pick for shoppers who want all-wheel drive without a hefty price tag. It balances affordability with capability.

• Avg. market price: $17,252 (updated weekly)
• MPG/MPGe: 25 city / 28 hwy
• Inventory: 1,899 listings — widest selection in the lineup
• View SLE AWD listings

SLT FWD — "Who It's For"

The SLT FWD is the pick for shoppers who want a blend of comfort and technology without going for the top trim. It offers a solid mix of features.

• Avg. market price: $16,693 (updated weekly)
• MPG/MPGe: 26 city / 30 hwy
• Inventory: 831 listings
• View SLT FWD listings

SLT AWD — "Who It's For"

The SLT AWD is the pick for shoppers who want sporty features and all-wheel drive. It's the most popular trim, offering a great balance of style and performance.

• Avg. market price: $17,493 (updated weekly)
• MPG/MPGe: 25 city / 28 hwy
• Inventory: 2,020 listings — widest selection in the lineup
• View SLT AWD listings

Denali FWD — "Who It's For"

The Denali FWD is the pick for shoppers who want luxury features without the all-wheel drive. It offers premium amenities for a comfortable ride.

• Avg. market price: $20,961 (updated weekly)
• MPG/MPGe: 22 city / 28 hwy
• Inventory: 53 listings — lower availability; may limit negotiating room
• View Denali FWD listings

Denali AWD — "Who It's For"

The Denali AWD is the pick for shoppers who want top-tier luxury and all-weather capability. It's the most feature-rich option in the lineup.

• Avg. market price: $21,532 (updated weekly)
• MPG/MPGe: 21 city / 26 hwy
• Inventory: 1,149 listings — widest selection in the lineup
• View Denali AWD listings

Trim Recommendations

Most Popular — SLT AWD

With 2,020 active listings, the SLT AWD is the clear volume leader in the lineup.

Browse SLT AWD listings

Best Budget Option — SLE FWD

At $16,246 avg market price — below the lineup median of $17,372 — it's the most accessible entry point.

Browse SLE FWD listings

Best for Fuel Economy — SLE FWD

The SLE FWD offers the best fuel economy in the lineup with 26/30 MPG/MPGe.

Browse SLE FWD listings

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

How much does the 2020 GMC Terrain cost?

Prices have softened 9.40% compared to this time last year, making it a favorable time to shop this model year.

There are 2,229 listings available, which suggests you have a solid amount of inventory to compare.

Is the 2020 GMC Terrain a good car?

Generally — the 2020 GMC Terrain earns a 4.43/5 user rating, which points to strong owner satisfaction. Owners most often praise its comfort and safety features, along with its spacious interior and economical performance. The Terrain also fits well if you want a compact SUV with a more premium feel, useful everyday features, and a cabin that works well for commuting or family duty. With 33.1% of listings marked as good or great deals, you have a meaningful number of attractive options to shop.

Is the 2020 GMC Terrain reliable?

Owners rate it 4.43/5, a solid signal of long-term satisfaction.

The owner feedback points to a vehicle that many drivers find dependable in daily use, with comfort, safety, and economical performance coming through as recurring strengths. The praise for its trouble-free feel and long-term usability is especially relevant if you want a used SUV you can count on for routine driving. For used buyers, that kind of satisfaction suggests lower ownership risk over time, especially if the specific vehicle has been well maintained.

What should I look for when buying a used 2020 GMC Terrain?

At 66.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report so you can separate clean examples from those with prior damage. After that, prioritize a thorough pre-purchase inspection, especially if the listing price looks unusually strong. Focus on overall condition, repair quality, and signs of wear that could affect long-term ownership more than the sticker price does.

Is now a good time to buy a used 2020 GMC Terrain?

This looks like a moderate, selective buyer’s market, so you can be choosy if you shop carefully.

• Deal availability: 33.1% of listings are priced as good or great deals.
• Inventory: There are 2,229 listings available.
• Price trend: Prices have softened 9.40% compared with last year.
• Clean inventory: 66.8% of listings are accident-free.

If you find a listing below $17,635, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2020 GMC Terrain's resale value?

The current average of $17,651 sits slightly below last year's $19,482.

That price movement suggests the Terrain has already absorbed some depreciation, which can help future buyers but may limit short-term upside for a seller. If you buy at the right price and keep the vehicle in strong condition, you may be better positioned when it comes time to resell. Demand should remain supported by the model’s comfort, safety, and practical appeal.

Vehicles with solid owner satisfaction ratings, like this model year's 4.43/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2020 GMC Terrain 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:

• 33.1% of listings are priced as good or great deals.
• At 66.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 9.40% compared with last year.
• Owners rate it 4.43/5 — a solid satisfaction signal.

The bottom line: If you want the Terrain with updated safety tech, a more premium feel, and strong owner satisfaction, the 2020 is the primary year to target. If your main goal is to minimize purchase price, a nearby older year may be worth considering, but you should expect to give up some of the 2020 model’s updated equipment and overall appeal.

These recommendations are based on CarGurus' proprietary market data from September 11, 2026, CarGurus experts' opinions, and generative AI.