2025 Mercedes-Benz G580 is the brand-new, fully electric G-Class variant, adding a more forward-looking option to Mercedes’ ultra-luxury off-road SUV lineup. It uses EQ technology with four electric motors producing a combined 579 horsepower and up to 859 lb-ft of torque. The direct counterpart to the G580 is the G550 for 2025, also part of the latest G-Class generation, powered by a 3.0L inline-six turbo mild-hybrid 48V gasoline setup rated at 443 horsepower and 413 lb-ft of torque. Both retain the iconic boxy shape, body-on-frame toughness, and full-time four-wheel drive. The biggest difference is the powertrain: G580 is electric, while G550 is gasoline. This article compares 2025 Mercedes-Benz G580 EQ and G550 in the U.S. context, focusing on performance, design, technology, off-road capability, and ownership costs so you can decide which one fits your life better.

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Engine and Performance

Mercedes G580 EQ (2025): A fully electric setup with four motors (two front and two rear) delivering 579 hp and 859 lb-ft of torque. It uses a 116 kWh battery and has an EPA driving range of about 239 miles per charge. Acceleration is strong, with 0 to 60 mph around 4.1 seconds. The G580 uses a two-speed gearbox to take advantage of instant electric torque. It also supports DC fast charging, with a 10 to 90 percent charge taking about 46 minutes at an average rate around 128 kW, helping replenish energy for longer trips and outdoor weekends.

Mercedes G550 (2025): A 3.0L inline-six turbo mild-hybrid gasoline powertrain producing 443 hp and 413 lb-ft of torque. Even with less output than the G580, it still feels powerful for daily use. The 48V mild-hybrid system supports smoother response and some efficiency benefit. The G550 runs a 9-speed automatic transmission. Despite being lighter than the G580, the G550 is slower due to its lower torque output and the nature of a gasoline drivetrain compared with instant electric delivery. Typical 0 to 60 mph performance is around 5.0 to 5.3 seconds.

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Measured performance comparisons show a clear advantage for the G580. In testing, the G580 reaches 0 to 60 mph in 4.1 seconds, while the G550 takes about 5.0 seconds. In the quarter mile, the G580 runs 12.6 seconds at 108 mph, while the G550 runs 13.6 seconds at 101 mph. On a skidpad, the G580 achieves 0.80g while the G550 reaches 0.63g, reflecting the G580’s lower center of gravity from the battery pack. Braking from 70 to 0 mph is similar, with the G580 at 162 feet and the G550 at 165 feet. Overall, the G580 holds a strong performance edge thanks to massive electric torque and a lower center of gravity, while the G550 remains more than capable for normal driving needs.

Basic comparison:

Power and torque: G580 at 579 hp and 859 lb-ft, G550 at 443 hp and 413 lb-ft.

0 to 60 mph: G580 around 4.1 seconds, G550 around 5.0 seconds.

70 to 0 mph braking: G580 162 feet, G550 165 feet.

Range and efficiency: G580 about 239 miles EPA range, while G550 is rated around 17 mpg city and 19 mpg highway.

Exterior and Design

In exterior design, the G580 and G550 look nearly identical, both keeping the classic squared-off G-Wagen profile. The G580, however, adds subtle EV-specific cues, while the G550 stays more traditional.

• Front grille: On the G580, the grille area is more closed and can incorporate an illuminated surround, instead of the more open look used on the gasoline model. Car and Driver notes the two vehicles look almost the same, with the main visible difference being the fixed cover in the G580’s grille area.
• Rear design: The G550 retains the traditional rear-mounted spare tire. The G580 replaces that spare-tire look with a rear storage box designed to hold charging cables, maintaining the iconic silhouette while fitting EV needs.
• Other details: Dimensions are very similar overall. The G580 weighs significantly more due to its battery. Both models keep the signature round headlights with LED elements, flat glass, external door handles, and bright trim that defines the G-Class. The G580 may feature certain special edition interior and trim themes, while the G550 offers broad customization options through Mercedes’ personalization programs.

In short, from a distance most people will confuse the two. Up close, the G580’s EV cues include a more sealed front and the rear cable-storage box, while the G550 keeps the traditional open grille treatment and external spare tire.

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Interior and Comfort Features

The interiors of the G580 and G550 are very similar because both belong to the newest G-Class generation. Both offer premium Nappa leather, upscale trim choices, and extensive personalization. Front seats are power adjustable with heating, ventilation, and massage functions. The MBUX system uses dual 12.3-inch screens, and both models support modern smartphone connectivity. A premium Burmester audio setup and configurable ambient lighting are also part of the luxury experience.

Key comfort and convenience highlights on both versions include multicontour massage seating, multi-zone climate control, power tailgate, available hands-free features, ambient lighting customization, wireless phone charging, and premium cabin air and scent features depending on configuration.

Differences mostly come down to packaging. The G580 Edition One can include unique interior themes, exclusive materials, and special styling touches. The G550 has a wide range of traditional customization options and can be configured to match long-standing G-Class expectations. The driving experience differs slightly as well. The G580 is quieter due to the absence of an engine, while the G550 retains the familiar gasoline character. Both remain extremely solid, with a vault-like feel that is a big part of the G-Class identity.

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Off-Road Capability and Dedicated Technology

Off-road performance is a core part of the G-Class identity. Both the G580 and G550 keep body-on-frame construction, full-time four-wheel drive, and three locking differentials that can be controlled as needed. Both can be equipped with tools like a 360-degree camera system and off-road driving modes.

Where the G580 separates itself is EV-specific off-road technology:

• G-TURN: The G580 can rotate in place, using the left-side and right-side motors in opposite directions. This is especially useful for tight trails, narrow turnaround points, and awkward parking situations. The G550 cannot do this.
• G-STEERING: The G580 offers a steering assist approach intended to reduce turning radius and help maneuvering at low speeds while keeping stability at higher speeds.
• Independent torque delivery: With four motors, the G580 can precisely control torque at each wheel, which can improve traction in certain situations. It also includes a low-range function and specific drivetrain design choices intended to manage heat and durability in off-road conditions.
• Water fording and stability: Testing notes strong off-road articulation measurements and water fording capability, with the G580 positioned as extremely capable. Its battery placement lowers the center of gravity, which can improve stability on uneven terrain.

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Fuel Use and Ownership Costs

Because these are two different powertrain philosophies, operating costs differ sharply

• G580 EQ: No gasoline use. EPA range is about 239 miles and combined efficiency is often noted around 62 MPGe. Energy cost depends on electricity pricing by state, but in many cases operating cost can be lower than gasoline for similar usage. The G580’s MSRP starts around $163,200, and the Edition One is around $180,900. Maintenance may be simpler in some areas due to fewer traditional engine components, but ownership still involves specialized EV cooling and electronics systems.
• G550: EPA fuel economy is around 17 mpg city and 19 mpg highway, improved versus earlier versions but still heavy on fuel compared with mainstream SUVs. With a 26.4-gallon fuel tank, highway range can be substantial, which makes road trips easy without charging stops. MSRP starts around $153,900. Maintenance includes engine oil service, inspections related to the 48V mild-hybrid system, and traditional drivetrain servicing over time.

Cost summary: The G580 costs more upfront but can reduce energy spending and may qualify for certain EV incentives depending on policy and eligibility. The G550 costs less to purchase and is simpler for drivers who do not want charging planning, but fuel and traditional maintenance can be higher over time.

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Who Should Choose G580 EQ and Who Should Choose G550?

Choosing between the G580 and G550 depends on how you drive and what you value.

Choose G580 EQ if: You want EV performance, modern technology, instant torque, and EV-specific off-road tricks like in-place rotation. The G580 fits drivers who can charge at home or at work, want lower operating costs, and like the idea of a future-forward G-Class that still looks and feels like a G-Wagen. It is also ideal if you want the faster acceleration and the unique driving character that comes with electric power.

Choose G550 if: You want the traditional gasoline G-Class feel, long highway range without charging stops, and you do not want to plan around chargers. The G550 makes sense for buyers who prefer internal combustion character and want the familiarity of quick refueling for long-distance travel. It also costs less to buy than the G580.

Both are high-luxury, highly capable SUVs. The decision comes down to charging convenience, driving habits, and your preference for EV character versus gasoline tradition.

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How to Keep 2025 Mercedes-Benz G580 Looking Like New

Once you choose the version that fits you, the next step is protecting your investment. One effective way to preserve exterior condition is using a high-quality car cover when parked.

A fitted cover helps:

• Reduce weather exposure: shielding paint from strong sun and rain, lowering the risk of fading and surface aging.
• Block dust and contaminants: limiting buildup from dust, bird droppings, and tree sap.
• Reduce minor parking scuffs: acting as a soft barrier when the vehicle is parked in tight spaces.
• Reduce moisture issues: a breathable cover can help reduce condensation and the risk of long-term exterior wear.

For the best results, choose a cover that fits the G-Class shape properly, including the rear-mounted box area, and uses a soft inner layer that is gentle on paint. US Car Cover offers cover options designed for U.S. conditions, and a properly fitted cover can serve as a simple long-term protection tool for 2025 Mercedes-Benz G580.

Practical tips: cover the vehicle only after it has cooled down, avoid covering it while it is wet, and clean the cover periodically to prevent trapped debris from rubbing against the paint. For a high-value vehicle like 2025 Mercedes-Benz G580, a purpose-fit cover from US Car Cover is a smart way to maintain the finish over time.

My Conclusion

2025 Mercedes-Benz G580 and G550 are both ultra-luxury, iconic G-Wagens, each with a distinct personality. The G580 EQ delivers advanced electrification, stronger performance, and unique off-road features like in-place rotation, paired with an EPA range around 239 miles. The G550 preserves the traditional character with a strong 443-hp gasoline mild-hybrid powertrain and the convenience of quick refueling for long-distance travel. For U.S. buyers, the G580 is the forward-looking choice, while the G550 remains a logical pick if you want traditional range convenience and a classic driving feel.

In short, the G580 is faster and can be more efficient in energy use, while the G550 is simpler for road trips and keeps the gasoline identity many buyers still love. Whichever you choose, protecting your vehicle with a properly fitted cover from US Car Cover can help preserve the exterior and keep your G-Class looking newer for longer.