Mercedes-Benz GLS trim comparison
2026 Mercedes-Benz GLS GLS 580 4MATIC vs AMG GLS 63
The GLS GLS 580 4MATIC starts at $116,150 while the AMG GLS 63 is $151,050. That $34,900 gap buys 5 meaningful differences.
Same engine, same drivetrain, same fuel economy. The $34,900 gap is pure equipment.
The GLS 580 4MATIC is the cleaner stopping point if keeping roughly $615/month in your budget matters. The AMG GLS 63 earns the extra money only if you want the nicer equipment factory-installed and under warranty.
If you are budgeting this move monthly, the jump from the GLS 580 4MATIC to the AMG GLS 63 is about $615/month on a 60-month loan at 6.5% APR with 10% down. That works out to roughly $36,900 more by the time interest is counted. At this end of the market, the payment change usually matters less than whether the added equipment actually changes daily use.
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 GLS 580 4MATIC and AMG GLS 63 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 $34,900 for 4 measurable differences, which works out to about $8,725 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. 5 specification differences, 2 shared.
Full Specification Comparison
Specifications reflect available data as of early 2026. Confirm details with an authorized dealer before purchasing.
| Spec | GLS 580 4MATIC | AMG GLS 63 |
|---|---|---|
| Pricing | ||
| MSRP | $116,150 | $151,050 |
| Powertrain | ||
| Engine | 4.0L V8 mild-hybrid Turbo | 4.0L V8 mild-hybrid Turbo |
| Horsepower | 510 hp | 603 hp |
| Torque | 538 lb-ft | 627 lb-ft |
| Transmission | 9-speed shiftable automatic | 9-speed shiftable automatic |
| Drivetrain | AWD | AWD |
| Fuel Economy | ||
| City MPG | 14 | 15 |
| Highway MPG | 20 | 20 |
| Combined MPG | 16 | 17 |
| Fuel Tank | 23.8 gal | 23.8 gal |
| Dimensions | ||
| Curb Weight | 5,842 lbs | 6,118 lbs |
| Wheelbase | 123.4" | 123.4" |
| Length | 205.2" | 206.4" |
| Width | 79.9" | 79.9" |
| Height | 71.8" | 70.2" |
| Warranty | ||
| Bumper-to-Bumper | 4yr/50k | 4yr/50k |
| Powertrain | 4yr/50k | 4yr/50k |
| Corrosion | 4yr/50k | 4yr/50k |
| Roadside Assistance | 4yr/50k | 4yr/50k |
Data sources: licensed third-party automotive data, EPA fueleconomy.gov, NHTSA, and official manufacturer materials. Values marked est. are estimated.
2026 Mercedes-Benz GLS GLS 580 4MATIC vs AMG GLS 63 Questions Shoppers Ask
Use this page for the direct trim answer, then zoom back out to the Mercedes-Benz GLS lineup, the Mercedes-Benz brand hub, the Full-Size 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 2026 GLS AMG GLS 63 cost than the GLS 580 4MATIC?
The AMG GLS 63 starts at $151,050 compared to $116,150 for the GLS 580 4MATIC. That is a $34,900 difference, or approximately $615/month more on a 60-month loan.
Do the 2026 Mercedes-Benz GLS GLS 580 4MATIC and AMG GLS 63 have the same engine?
Yes. Both use the 4.0L V8 mild-hybrid Turbo producing 510 hp and 538 lb-ft of torque. The engine hardware does not change between these trims, so the real differences are in equipment and feature content.
Do the 2026 GLS GLS 580 4MATIC and AMG GLS 63 have the same drivetrain?
Yes. Both come with AWD as standard. The differences between these trims are in features and equipment, not drivetrain.
What warranty does the 2026 Mercedes-Benz GLS come with?
All 2026 Mercedes-Benz GLS trims, including both the GLS 580 4MATIC and AMG GLS 63, come with Mercedes-Benz's standard warranty: 4yr/50k bumper-to-bumper and 4yr/50k powertrain coverage. Warranty does not vary by trim level.
Which 2026 Mercedes-Benz GLS trim gets better fuel economy, the GLS 580 4MATIC or the AMG GLS 63?
The AMG GLS 63 is the more efficient of the two at 17 combined MPG, versus 16 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.
What $34,900 Gets You
At $34,900 more, the GLS AMG GLS 63 adds horsepower and torque. This is a situational call. If those features are on your must-have list, the upgrade makes sense. If not, the GLS 580 4MATIC delivers the same core GLS experience for less.
GLS 580 4MATIC vs. AMG GLS 63: Day-to-Day
The AMG GLS 63 produces 93 more hp. That is enough to feel in every merge and every pass. 89 more lb-ft for the AMG GLS 63. A noticeable difference in low-end acceleration.
Fuel Economy Comparison
The GLS AMG GLS 63 gets 1 more combined MPG. At $3.50/gallon and 12,000 miles/year, that saves roughly $154 per year or $770 over five years of ownership.
Summary
The GLS AMG GLS 63 costs $34,900 more than the GLS 580 4MATIC (about $615/month more on a 60-month loan). That buys 4 meaningful changes at $8,725 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.
Mercedes-Benz GLS GLS 580 4MATIC
Value-trim add-onsThese picks fit the GLS 580 4MATIC best when the goal is covering the daily-use gaps without paying up to the next trim.
Mercedes-Benz GLS AMG GLS 63
Step-up trim add-onsThese picks suit the AMG GLS 63 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 2026 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 Mercedes-Benz or any dealership.
Page updated 2026-03-18. Verify equipment, pricing, and regional availability with the manufacturer or dealer.