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2025 Mercedes-AMG G 63 Keeps Its V8 as the G 550 Switches to an Inline-Six

The 2025 U.S. AMG G 63 retains its 4.0-liter V8, rated at 577 hp. The G 550 is the G-Class variant that switches to an inline-six.
Entry822 Date Time2 min MechanicCarCody Team
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Yes—the U.S.-market 2025 Mercedes-AMG G 63 still has a V8. Mercedes-Benz rates its handcrafted 4.0-liter biturbo at 577 hp and 627 lb-ft, not 600 hp. It is the G 550, not the G 63, that moves to a 3.0-liter turbocharged inline-six. Both engines receive 48-volt mild-hybrid assistance.

Does the 2025 Mercedes-AMG G 63 still have a V8?

Yes. Mercedes-Benz USA lists the 2025 AMG G 63 with a handcrafted 4.0-liter V8 biturbo and hybrid assist. Its stated engine output is 577 hp and 627 lb-ft of torque. Those are U.S. model-year specifications in the 2025 AMG G 63 Quick Reference Guide.

The “600-hp” wording is not the manufacturer’s listed figure: Mercedes-Benz USA specifies 577 hp. The G 63 also has a 48-volt integrated starter generator (ISG). Mercedes says it can provide an additional 20 hp and 148 lb-ft of low-speed support, but those assistance figures should not be added to the guide’s engine-output figures to create an unlisted combined rating.

Which 2025 G-Class gets the inline-six?

The U.S.-market 2025 G 550 switches to a 3.0-liter turbocharged inline-six paired with a 48-volt mild-hybrid system. Mercedes-Benz USA lists 443 hp and 413 lb-ft. The AMG G 63 retains its V8, so the 2025 G-Class lineup does not uniformly abandon V8 power. Mercedes-Benz outlined the two powertrains in its March 26, 2024 U.S. announcement.

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#1 Best Overall
TOKAXI 1/36 Scale Mercedes Benz AMG G63 Diecast Cars Models,Pull Back Vehicles G Wagon Toy Cars,Cars Gifts for Boys Girls
  • High-Quality Materials:The G Wagon die-cast car is made of zinc alloy,plastic parts and rubber tires,making it safe for children to play with.It features detailed interior and exterior trim, and is very sturdy.
  • Function:No batteries are required, but the vehicle has a powerful pull back feature. Simply pull it back, then release your hand, and the car will go for a long distance. The doors may be opened to view the whole inside of the vehicle. So appealing to children and collectors alike.
  • Size:1/36 scale vehicle model with beautiful English packaging,ideal for toddlers to play with and carry. Car collectors will appreciate the perfect small size, which allows them to collect a complete set of cars without taking up too much space.
  • Grow From Play:Help children learn more about car ,expand their knowledge ,increase the hand-eye coordination and the reaction speed of the children in the play.
  • Ideal Christmas Festival Gift:All of TOKAXI die-cast model cars are attractively packaged in English, making them the perfect Christmas, Birthday, Children's Day, New Year gift for kids, party favors, home decorations, or travel toys for boys and girls.gifts for boys girls.

How do the 2025 G 550 and AMG G 63 compare?

The following figures come from Mercedes-Benz USA’s December 2024 model-year quick reference guides. The G 550’s 0–60 mph time is identified as an estimate in its guide. MSRP figures are guide prices, not current dealer offers, and exclude the destination and delivery charge.

U.S. 2025 model Engine and assistance Listed output Listed torque 0–60 mph Guide MSRP
G 550 3.0-liter turbocharged inline-six; 48-volt mild hybrid 443 hp 413 lb-ft 5.3 seconds (estimated) $148,250
Mercedes-AMG G 63 Handcrafted 4.0-liter V8 biturbo with hybrid assist 577 hp 627 lb-ft 4.2 seconds $186,100

Sources: Mercedes-Benz USA’s 2025 G 550 Quick Reference Guide and 2025 AMG G 63 Quick Reference Guide, both dated December 4, 2024. The prices describe model-year guide MSRP, not current transaction prices or a live inventory listing.

Rank #2
Sale
LEGO Speed Champions Mercedes-AMG G 63 & SL 63 Building Toys - Kids Pretend Play Toy Cars for Boys & Girls, Ages 10+ Years - Gifts for Christmas - 76924
  • 2 Mercedes toy cars for kids – LEGO Speed Champions Mercedes-AMG G 63 & Mercedes-AMG SL 63 vehicle playset for boys and girls ages 10 and up and adult model car collectors
  • 2 driver minifigures – Each buildable vehicle toy comes with a driver minifigure wearing a Mercedes outfit so kids can role-play fast-paced races
  • Authentic Mercedes design – Each collectible car model features design details from the real life versions, including front grilles, hoods, wheels, interior features and the famous Mercedes livery
  • Display models – After kids have enjoyed hours of independent play racing 2 LEGO toy model cars, the vehicles can be displayed on a shelf or bedside table
  • Convertible toy car gifts – This Mercedes car playset provides a fun build and play experience and is a gift idea for kids ages 10 and up or adult model car collectors

What else changed for the 2025 G-Class?

The 2025 update is broader than the powertrain changes. Mercedes-Benz lists MBUX, OFFROAD COCKPIT and a transparent-hood function among the additions to the U.S. G-Class line. The G 63 continues to use LOW RANGE and three differential locks. It also offers AMG ACTIVE RIDE CONTROL, with active hydraulic roll stabilization, as an option.

Mercedes announced the U.S. 2025 G 550 and G 63 for dealership arrival in the second half of 2024. That was launch timing announced in 2024, not confirmation of current availability.

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Rank #3
Sale
TOKAXI 1/36 Scale Mercedes Benz AMG G63 Diecast Cars Models,Pull Back Vehicles G Wagon Toy Cars,Cars Gifts for Boys Girls
  • High-Quality Materials:The G Wagon die-cast car is made of zinc alloy,plastic parts and rubber tires,making it safe for children to play with.It features detailed interior and exterior trim, and is very sturdy.
  • Function:No batteries are required, but the vehicle has a powerful pull back feature. Simply pull it back, then release your hand, and the car will go for a long distance. The doors may be opened to view the whole inside of the vehicle. So appealing to children and collectors alike.
  • Size:1/36 scale vehicle model with beautiful English packaging,ideal for toddlers to play with and carry. Car collectors will appreciate the perfect small size, which allows them to collect a complete set of cars without taking up too much space.
  • Grow From Play:Help children learn more about car ,expand their knowledge ,increase the hand-eye coordination and the reaction speed of the children in the play.
  • Ideal Christmas Festival Gift:All of TOKAXI die-cast model cars are attractively packaged in English, making them the perfect Christmas, Birthday, Children's Day, New Year gift for kids, party favors, home decorations, or travel toys for boys and girls.gifts for boys girls.
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What Mercedes says about the AMG G 63

In the March 26, 2024 announcement, Michael Schiebe, Chairman of the Board of Management of Mercedes-AMG GmbH and Head of the Mercedes-Benz G-Class and Mercedes-Maybach business units, said: “The new G 63 is more AMG than ever before.” That is the manufacturer’s promotional characterization, rather than an independent assessment.

Best Value
Solido 1:43 Scale Mercedes AMG G63 White 2022 Diecast Model Car S4316701
  • SOLIDO BRAND QUALITY: Solido is known for producing high-quality diecast model cars with exceptional detail, durable construction, and accurate representations of real vehicles. Each model is crafted with precision and built to last.
  • MERCEDES-BENZ OFFICIALLY LICENSED MODEL: This Mercedes-AMG G63 diecast model is an officially licensed product, ensuring authentic branding and accurate representation of the original vehicle. It reproduces the 2022 G63 finished in white, reflecting its bold SUV styling, distinctive boxy design, and high-performance AMG characteristics that define this luxury off-road vehicle.
  • FEATURES & DETAILS: This 1:43 scale model measures approximately 4.5 inches in length, accurately capturing the proportions of the Mercedes-AMG G63. It features a detailed exterior with realistic headlights, grille, wheels, mirrors, and interior elements visible through clear windows. This model is a static display piece with no opening parts and typically includes a display base, making it ideal for collectors who value precision and presentation.
  • TOP QUALITY MATERIALS: Constructed from high-quality diecast metal with precision-molded plastic components, this model ensures durability and refined detailing. The white paint finish is applied with a smooth, consistent coating that enhances its clean appearance, while carefully executed trim and interior features contribute to a realistic look. Built for long-term display, it maintains both its structural integrity and detailed appearance over time.
  • COLLECTIBLE DISPLAY ITEM: Designed for collectors aged 14 and above, this model is a premium display piece featuring accurate Mercedes-AMG G63 styling. Its officially licensed design and clean white finish make it a strong addition to any automotive collection. Ideal for display on shelves, desks, or in cabinets, it also makes a thoughtful gift for enthusiasts who appreciate luxury SUVs and finely detailed diecast replicas.
Rank #4
RASTAR 95700 1/14 RC Car Mercedes-AMG G 63 with Openable Doors
  • Ideal Licensed Gift for All Off-Road Car Enthusiasts: Officially authorized Mercedes-AMG G 63 replica, packed in deluxe gift window box. Great choice for birthday, Christmas, Children's Day, graduation and holiday presents, suitable for kids, teens and adult off-road car collectors for play and home display
  • Safe & Kid-Friendly Premium Construction Material: Made of thick high-quality ABS plastic with full smooth rounded edges free of sharp burrs, coated with non-toxic paint and fully compliant with US toy safety standards. Solid anti-drop structure reduces damage from daily bumps, brings worry-free play experience for young children
  • Complete Functional Off-Road Car Configuration: Built with independent suspension and steering fine-tuning, fitted with openable doors and functional working lights. Tough ABS wheel hubs paired with high-grip TPE tires deliver steady and smooth toy driving performance
  • Stable 2.4GHz RC Control: 2.4GHz interference-free remote supports forward, reverse, left and right turns, allows multiple cars to drive side by side without signal lag. Runs at around 5mph, mild speed ensures safety for kids indoor and outdoor activities. (Note: Batteries are not included in box and total of 7 AA batteries needed, 2 for the remote and 5 for the car)
  • Generous Large-Scale Body Size: 1/14 Mercedes-AMG G 63 RC car measures about 14.3 in long, 5.3 in wide, 5.3 in tall. Large frame fully showcases intricate original car details, solid smooth build fits indoor flat-surface driving and desktop decoration

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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