GMC Terrain trim comparison
2024 GMC Terrain SLE vs AT4
The Terrain SLE starts at $28,700 while the AT4 is $35,495. That $6,795 gap buys 6 meaningful differences.
The AT4 adds AWD instead of FWD. If you deal with winter roads or need traction off-pavement, that could be worth $6,795 by itself. If not, the SLE saves you the money.
The SLE is the cleaner fit if FWD already covers the job. The AT4 only earns the extra money when AWD is the reason you are shopping up.
Think about this as a monthly tradeoff, not just a sticker gap. The AT4 adds about $120/month on a typical 60-month loan, or around $7,200 more overall with interest. The real question is whether AWD changes your day-to-day use enough to justify paying above FWD.
Lock one trim, change the other side, and move through exact pair pages without resetting back to the full lineup every time.
Who notices the difference
The higher trim starts to make more sense when extra traction matters for your weather, roads, or weekend use.
When both feel the same
The SLE and AT4 are mechanically identical where it counts: the same 9-speed shiftable automatic transmission and identical wheelbase and body dimensions.
The upgrade math
You are paying $6,795 for 5 measurable differences, which works out to about $1,359 per change.
Key Differences at a Glance
This is the fast read: price, power, efficiency, and the feature flips most likely to change the answer.
Every Difference, Side by Side
This is the full read behind the quick decision signals above: the complete hardware, comfort, and equipment story. 6 specification differences, 3 shared.
Full Specification Comparison
Specifications reflect available data as of early 2024. Confirm details with an authorized dealer before purchasing.
| Spec | SLE | AT4 |
|---|---|---|
| Pricing | ||
| MSRP | $28,700 | $35,495 |
| Powertrain | ||
| Engine | 1.5L I4 Turbo | 1.5L I4 Turbo |
| Horsepower | 175 hp | 175 hp |
| Torque | 203 lb-ft | 203 lb-ft |
| Transmission | 9-speed shiftable automatic | 9-speed shiftable automatic |
| Drivetrain | FWD | AWD |
| Fuel Economy | ||
| City MPG | 24 | 23 |
| Highway MPG | 29 | 28 |
| Combined MPG | 26 | 25 |
| Fuel Tank | 14.9 gal | 15.6 gal |
| Annual Fuel Cost (EPA) | $1,700/yr | $1,750/yr |
| Dimensions | ||
| Curb Weight | 3,419 lbs | 3,651 lbs |
| Wheelbase | 107.0" | 107.0" |
| Length | 182.3" | 182.3" |
| Width | 72.4" | 72.4" |
| Height | 65.4" | No published data |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| Warranty | ||
| Bumper-to-Bumper | 3yr/36k | 3yr/36k |
| Powertrain | 5yr/60k | 5yr/60k |
| Corrosion | 6yr/100k | 6yr/100k |
| Roadside Assistance | 5yr/60k | 5yr/60k |
Data sources: licensed third-party automotive data, EPA fueleconomy.gov, NHTSA, and official manufacturer materials. Values marked est. are estimated.
2024 GMC Terrain SLE vs AT4 Questions Shoppers Ask
Use this page for the direct trim answer, then zoom back out to the GMC Terrain lineup, the GMC brand hub, the Midsize SUVs, the how to pick a trim guide, or our mid-trim value research when you need the bigger shopping path behind this one matchup.
How much more does the 2024 Terrain AT4 cost than the SLE?
The AT4 starts at $35,495 compared to $28,700 for the SLE. That is a $6,795 difference, or approximately $120/month more on a 60-month loan.
Do the 2024 GMC Terrain SLE and AT4 have the same engine?
Yes. Both use the 1.5L I4 Turbo producing 175 hp and 203 lb-ft of torque. The engine hardware does not change between these trims, so the real differences are in equipment and feature content.
Does the 2024 Terrain SLE come with AWD?
No. The SLE comes standard with FWD while the AT4 has AWD. This affects traction, fuel economy, and curb weight.
Is the 2024 Terrain SLE or AT4 safer?
Both share the same GMC Terrain platform with an overall 5-star NHTSA safety rating. Safety ratings are model-level and identical across trims. The trim choice affects comfort and features, not crash protection.
What warranty does the 2024 GMC Terrain come with?
All 2024 GMC Terrain trims, including both the SLE and AT4, come with GMC's standard warranty: 3yr/36k bumper-to-bumper and 5yr/60k powertrain coverage. Warranty does not vary by trim level.
Is the 2024 GMC Terrain AT4 worth $6,795 more than the SLE?
The $6,795 adds AWD. Worth it if you need the traction. Not worth it if you drive on dry roads year-round.
Which 2024 GMC Terrain trim gets better fuel economy, the SLE or the AT4?
The SLE is the more efficient of the two at 26 combined MPG, versus 25 for the other trim. That matters most if you are balancing running costs against the extra power, drivetrain, or comfort equipment tied to the pricier trim.
The Full Story Behind This Price Gap
Use the direct answer above for this exact matchup, then use these guides to understand whether you are really looking at a feature step-up, a package shuffle, or the point where the lineup starts changing in a meaningful way.
Breaking Down the $6,795 Gap
At $6,795 more, the Terrain AT4 adds AWD. This is a situational call. If those features are on your must-have list, the upgrade makes sense. If not, the SLE delivers the same core Terrain experience for less.
How the SLE and AT4 Feel Different
AWD on the AT4 means better grip in bad weather. If you live somewhere with mild winters, the SLE's FWD may be fine.
Fuel Economy Comparison
The Terrain SLE gets 1 more combined MPG. At $3.50/gallon and 12,000 miles/year, that saves roughly $65 per year or $325 over five years of ownership.
What Both Trims Share
Despite the differences above, the SLE and AT4 share engine and transmission, keeping the core Terrain experience consistent across trims.
The Short Version
The Terrain AT4 costs $6,795 more than the SLE (about $120/month more on a 60-month loan). That buys 5 meaningful changes at $1,359 per change. Whether that trade-off is worth it depends on which features matter to your daily driving.
Trim-Matched Accessories
These add-ons are split by trim intent so the recommendations follow the actual use case, not just the same repeated product block.
GMC Terrain SLE
Value-trim add-onsThese picks fit the SLE best when the goal is covering the daily-use gaps without paying up to the next trim.
GMC Terrain AT4
Step-up trim add-onsThese picks suit the AT4 when you want the accessories to match the nicer cabin, broader utility, or more premium use case.
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Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material for the 2024 model year. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with GMC or any dealership.
Page updated 2026-03-18. Verify equipment, pricing, and regional availability with the manufacturer or dealer.