GMC Sierra 1500 trim comparison
2024 GMC Sierra 1500 SLT vs Denali
The Sierra 1500 SLT starts at $54,800 while the Denali is $66,600. That $11,800 gap buys 1 meaningful difference.
$11,800 more is ~$208/month. The question is whether the added equipment will matter to you every week.
The extra $11,800 does not buy a measurable hardware change in our data. Treat the Denali as an appearance or packaging decision, not a core-trim upgrade.
The cleanest way to feel this upgrade is through the payment: about $208/month more over 60 months, or roughly $12,480 extra all-in once interest is included.
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 you want the nicer equipment factory-installed and under warranty.
When both feel the same
The SLT and Denali are mechanically identical where it counts: the same 10-speed shiftable automatic transmission and Crew Cab cabin and bed dimensions.
The upgrade math
$11,800 price difference.
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. 1 specification difference, 6 shared.
There are no measurable spec differences in the current source data. If these trims still matter to you, the real separation is likely styling, appearance packages, or dealer inventory.
Full Specification Comparison
Specifications reflect available data as of early 2024. Confirm details with an authorized dealer before purchasing.
| Spec | SLT | Denali |
|---|---|---|
| Pricing | ||
| MSRP | $54,800 | $66,600 |
| Powertrain | ||
| Engine | 5.3L V8 | 5.3L V8 |
| Horsepower | 355 hp | 355 hp |
| Torque | 383 lb-ft | 383 lb-ft |
| Transmission | 10-speed shiftable automatic | 10-speed shiftable automatic |
| Drivetrain | RWD | RWD |
| Fuel Economy | ||
| City MPG | 16 | 16 |
| Highway MPG | 21 | 20 |
| Combined MPG | 18 | 18 |
| Fuel Tank | 24.0 gal | 24.0 gal |
| Dimensions | ||
| Curb Weight | 4,890 lbs | 4,890 lbs |
| Wheelbase | 147.0" | 147.0" |
| Length | 231.9" | 231.9" |
| Width | 81.2" | 81.2" |
| Height | 75.5" | 75.5" |
| Truck Specs | ||
| Cab Type | Crew Cab | Crew Cab |
| Bed Length | 5.8 ft | 5.8 ft |
| 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 Sierra 1500 SLT vs Denali Questions Shoppers Ask
Use this page for the direct trim answer, then zoom back out to the GMC Sierra 1500 lineup, the GMC brand hub, the Full-Size Trucks, 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 Sierra 1500 Denali cost than the SLT?
The Denali starts at $66,600 compared to $54,800 for the SLT (both Crew Cab RWD). That is a $11,800 difference, or approximately $208/month more on a 60-month loan.
Do the 2024 GMC Sierra 1500 SLT and Denali have the same engine?
Yes. Both use the 5.3L V8 producing 355 hp and 383 lb-ft of torque. The engine hardware does not change between these trims, so the real differences are in equipment and feature content.
Do both the 2024 Sierra 1500 SLT and Denali come in 4WD?
Both trims start with RWD as standard. 4WD is typically available as a factory option on both. Check with your dealer for current 4WD pricing. This comparison uses the base RWD configuration.
Is the 2024 Sierra 1500 SLT or Denali safer?
Both share the same GMC Sierra 1500 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 Sierra 1500 come with?
All 2024 GMC Sierra 1500 trims, including both the SLT and Denali, come with GMC's standard warranty: 3yr/36k bumper-to-bumper and 5yr/60k powertrain coverage. Warranty does not vary by trim level.
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.
Is the Sierra 1500 Denali Worth $11,800 More?
Same engine, drivetrain, fuel economy, $11,800 more. The Sierra 1500 Denali adds minor equipment upgrades over the SLT, but the core driving experience is identical.
What Both Trims Share
The Sierra 1500 SLT and Denali share the same engine, drivetrain, transmission, and fuel economy. The $11,800 difference comes down to 1 feature and equipment change, not mechanical differences.
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 Sierra 1500 SLT
Value-trim add-onsThese picks fit the SLT best when the goal is covering the daily-use gaps without paying up to the next trim.
GMC Sierra 1500 Denali
Step-up trim add-onsThese picks suit the Denali 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.