GLS 450 Vs. GLS 580: A Comprehensive Comparison

When it comes to the luxurious world of SUVs, two beasts that truly stand out are the Mercedes-Benz GLS 450 and the GLS 580. Both of these models are manifestations of excellence in automotive engineering. 

But how do you choose between the GLS 450 and GLS 580? That’s what we’re here to break down.

A Brief Comparison Table

FeatureGLS 450GLS 580
Engine3.0L Inline-64.0L V8
Horsepower362 hp483 hp
Fuel Economy (City/Highway)20/26 mpg16/21 mpg
Interior FeaturesStandard LuxuryExtended Luxury Features
PriceLower Base PriceHigher Base Price
Towing Capacity7,700 pounds7,900 pounds
Suspension and HandlingComfort & Bounce FeatureSportier and Engaging

GLS 450: The Refined Cruiser

GLS 450
GLS 450


  1. Performance and Fuel Efficiency

With a turbocharged 3.0L inline-6 engine, the GLS 450 offers a good balance between power and fuel economy. It’s an optimal choice for those who want performance without sacrificing much on efficiency.

  1. Affordable Luxury

In comparison to the GLS 580, the 450 model is lighter on the wallet. If you’re seeking the top-tier Mercedes luxury without going all out on the budget, this one’s for you.

  1. Adaptive Ride Comfort

The GLS 450 comes with an E-Active Body Control system, giving it a ‘bounce’ feature. Yes, you read that right, the GLS 450 can bounce, helping it overcome obstacles or even loosen a tire stuck in sand.


  1. Less Power

With 362 horsepower, it’s not as powerful as the GLS 580. It’s not a deal-breaker, but for the power-hungry, it might not suffice.

  1. Fewer Standard Features

Some of the high-end features in the GLS 580 aren’t standard in the 450 model.

Read More: About Comparison Between Mercedes GLE 450 and GLE 350

GLS 580: The Ultimate Powerhouse

GLS 580
GLS 580


  1. Thrilling Performance

The GLS 580 packs a punch with a V8 engine boasting 483 horsepower. If power and performance are what you crave, look no further.

  1. Ultimate Luxury

The interior of the GLS 580 is where luxury meets technology. With more standard features than the GLS 450, you’ll feel like royalty on the road.

  1. Robust Towing Capacity

For those who need to haul trailers or boats, the GLS 580 offers increased towing capacity over the GLS 450.


  1. Higher Cost

The excellence of the GLS 580 comes at a price. If you’re budget-conscious, this model might stretch your limits.

  1. Fuel Consumption

More power means more fuel consumption. The GLS 580 won’t be as kind to your gas bill as the GLS 450.

Analytical Perspective

While both GLS 450 and GLS 580 are cut from the same cloth, they cater to different needs. The GLS 450 is a more practical choice for those looking for a blend of luxury and efficiency. On the other hand, the GLS 580 is an all-out luxury machine for those who want to make a bold statement.

Key Differences Between GLS 450 and GLS 580

  1. Engine and Performance

GLS 450

With a turbocharged 3.0L inline-6 engine, the GLS 450 offers a well-rounded performance package. It brings 362 horsepower to the table and a 9-speed automatic transmission. The 450 model excels in giving a blend of agility and efficiency.

GLS 580

The GLS 580, on the other hand, is equipped with a powerful 4.0L V8 engine that produces a whopping 483 horsepower. Paired with a 9-speed automatic transmission, the performance of the GLS 580 is noticeably sportier and robust.

  1. Fuel Economy

GLS 450

Being the more efficient sibling, the GLS 450 provides better gas mileage. Depending on the driving conditions, you can expect around 20 miles per gallon in the city and up to 26 miles per gallon on the highway.

GLS 580

The GLS 580’s powerful V8 engine consumes more fuel, returning about 16 miles per gallon in the city and 21 miles per gallon on the highway. It’s a trade-off for its more powerful performance.

  1. Interior Features and Luxury

GLS 450

Though luxurious, the GLS 450 might lack some of the cutting-edge features found in the GLS 580. The materials used are high-quality, and the technology is advanced, but there may be fewer standard options in comparison to its more expensive sibling.

GLS 580

The GLS 580 stands as the epitome of opulence. From Nappa leather upholstery to heated and ventilated seats, to more extensive driver assistance technology, the 580 is generously loaded.

  1. Price

GLS 450

Starting at a lower base price, the GLS 450 makes Mercedes’ high-end SUV experience more accessible. It offers many of the luxury features found in the 580 without the hefty price tag.

GLS 580

The GLS 580 is priced at a premium, reflecting its superior features and performance. If budget is not a constraint, the 580 delivers the full Mercedes luxury experience.

  1. Towing Capacity

GLS 450

With a towing capacity around 7,700 pounds, the GLS 450 is suitable for most towing needs, be it a small boat or trailer.

GLS 580

The GLS 580, with its stronger V8 engine, has a towing capacity of up to 7,900 pounds, giving it an edge for heavy-duty hauling.

  1. Suspension and Handling

GLS 450

The GLS 450 features Mercedes’ famous E-Active Body Control system, giving it a unique bounce feature. The adaptive suspension allows for a more comfortable ride and enhances off-road capabilities.

GLS 580

Though also equipped with E-Active Body Control, the GLS 580 has a more performance-oriented setup. The handling is sportier, making it appealing to those who prefer a more engaging driving experience.

Also Read: Differences Between Adams 1310 And 1350 Driveshafts.

Frequently Asked Questions (FAQs)

What is the difference between GLS 450 and 580?

The main differences lie in performance, standard features, and price. GLS 450 focuses on balanced performance and efficiency, while GLS 580 prioritizes sheer power and luxury.

What is the difference between a Mercedes GLS 450 and GLS 550?

The GLS 550 falls between the 450 and 580 in terms of performance and features. It offers more power than the 450 but lacks some of the high-end features of the 580.

Is the Mercedes GLS changing for 2023?

There are some rumors of design tweaks and feature upgrades for 2023, but specifics aren’t confirmed at the time of writing.

How much horsepower does the GLS 580 have?

The GLS 580 has an impressive 483 horsepower.

Can a GLS 450 bounce?

Yes, the GLS 450’s E-Active Body Control system allows it to bounce to navigate certain obstacles.

What is the BMW equivalent to the Mercedes GLS?

The BMW X7 is often considered the equivalent to the Mercedes GLS, offering similar performance and luxury features.

Whether you choose the GLS 450 or the GLS 580 depends on what you want from your SUV. If it’s the blend of efficiency and luxury, the GLS 450 has your back. If you want to ride like a king or queen with sheer power and prestige, the GLS 580 awaits. Either way, Mercedes ensures a sublime driving experience that’s hard to match.


Choosing between the GLS 450 and GLS 580 boils down to individual preferences and needs. If fuel economy, a balanced performance, and budget-friendly luxury are your priorities, the GLS 450 fits the bill. If you want the epitome of luxury, power, and aren’t shy about spending more, the GLS 580 offers the superior package.

Both models reflect the premium quality and excellence of the Mercedes brand, but with key differences that cater to unique customer needs. Whether it’s the efficiency and practicality of the GLS 450 or the extravagant luxury and power of the GLS 580, there’s a model that’s right for your lifestyle.

Clayton S. Johnson

Well, I am Clayton who writes, manages, and does overall stuff for this website. I live somewhere in Stone Mountain, Georgia, and used to have a full-time job. But the pandemic taught me to do more do with my life. So, I quit my job and travel a lot! Since I have tons of time now, I write about all the stuff I have done, used, and have first-hand experiences.

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