Used 2020 GMC Terrain for Sale near Indiana

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 $16,014
• 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 a budget-friendly option without sacrificing essential features.

• Avg. market price: $16,014 (updated weekly)
• MPG/MPGe: 26 city / 30 hwy
• Inventory: 1,501 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 capability without a hefty price tag.

• Avg. market price: $17,239 (updated weekly)
• MPG/MPGe: 25 city / 28 hwy
• Inventory: 1,853 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 balance of features and price without going for the top trim.

• Avg. market price: $16,346 (updated weekly)
• MPG/MPGe: 26 city / 30 hwy
• Inventory: 784 listings
• View SLT FWD listings

SLT AWD — "Who It's For"

The SLT AWD is the pick for shoppers who want luxury features and all-wheel drive without breaking the bank.

• Avg. market price: $17,204 (updated weekly)
• MPG/MPGe: 25 city / 28 hwy
• Inventory: 1,979 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 premium features and a refined driving experience.

• Avg. market price: $20,910 (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 performance in all weather conditions.

• Avg. market price: $21,532 (updated weekly)
• MPG/MPGe: 21 city / 26 hwy
• Inventory: 1,109 listings — widest selection in the lineup
• View Denali AWD listings

Trim Recommendations

Most Popular — SLT AWD

With 1,979 active listings, the SLT AWD is the clear volume leader in the lineup.

Browse SLT AWD listings

Best Budget Option — SLE FWD

At $16,014 avg market price — below the lineup median of $17,221 — it's the most accessible entry point.

Browse SLE FWD listings

Best for Fuel Economy — SLE FWD

The SLE FWD offers the best fuel efficiency in the lineup with 26 city / 30 hwy MPG.

Browse SLE FWD listings

These recommendations are based on CarGurus' proprietary market data from October 1, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2020 GMC Terrain cost?

Prices have softened 9.91% compared to this time last year, making it a favorable time to shop this model year.

There are 2,179 listings available, which gives you a solid pool of options 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 consistently praise its comfort, safety features, spacious interior, and economical performance, and many also like the upscale feel and intuitive entertainment system. For you, that makes it a sensible pick if you want a compact SUV that feels a bit more premium while still covering everyday family and commuting needs. With 32.4% of listings marked as good or great deals, there is still meaningful shopping opportunity if you compare carefully.

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 dependable ownership experience, especially around comfort, safety, and everyday usability. The repeated praise for economical performance and the generally positive tone around the cabin and technology suggest a vehicle many drivers feel good about keeping over time. For used buyers, that usually means lower long-term ownership risk if you choose a well-maintained example and verify its condition carefully.

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

At 67.4% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a full vehicle history report so you can separate clean examples from those with prior damage. After that, prioritize a pre-purchase inspection, especially if the listing price looks unusually attractive or the vehicle has incomplete service records. Focus your condition check on bodywork consistency, interior wear, and how the vehicle drives, since those clues can help you spot hidden issues before you commit.

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

This is a moderate market, so you can be selective without expecting every listing to be a bargain.

• Deal availability: 32.4% of listings are priced as good or great deals.
• Inventory: There are 2,179 listings available.
• Price trend: Prices have softened 9.91% compared with last year.
• Clean inventory: 67.4% of listings are accident-free.

If you find a listing below $17,486, 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 $17,486 sits slightly below last year's $19,410.

That price movement suggests the model has become more accessible for buyers, which can make resale a little more competitive for you if you sell in the near term. If you own one, pricing it well and presenting a clean history will matter more because shoppers have plenty of comparable listings to choose from. The good news is that steady owner satisfaction can help support demand when it is time to resell.

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:

• 32.4% of listings are priced as good or great deals.
• At 67.4% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 9.91% compared with last year.
• Owners rate it 4.43/5 — a solid satisfaction signal.

The bottom line:

The 2020 Terrain makes the most sense if you want a compact SUV with a more upscale feel, strong owner satisfaction, and a market that currently gives you room to negotiate. If you are especially price-sensitive, a nearby model year may be worth comparing, but the 2020 is the better fit when you want a balanced mix of comfort, features, and value.

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