Mercedes-Benz G-Class G 63 AMG 4MATIC vs Alfa Romeo Stelvio Quadrifoglio AWD
![]() Mercedes-Benz G-Class G 63 AMG 4MATIC $139,900MSRP | ![]() Alfa Romeo Stelvio Quadrifoglio AWD $87,370MSRP |
Mercedes-Benz G-Class G 63 AMG 4MATIC $139,900MSRP | Alfa Romeo Stelvio Quadrifoglio AWD $87,370MSRP |
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Overview | |
Years produced2013-2016 | Years produced2018-2024 |
MSRP$139,900 | MSRP$87,370 |
Average price$57,807 | Average price$46,853 |
Listings146 | Listings93 |
Ratings & Reviews | |
User Reviews | User Reviews |
Popular Features & Specs | |
Engine5.5L 563 hp V8 | Engine2.9L 505 hp V6 |
Drive TrainAWD | Drive TrainAWD |
Seating Capacity5 | Seating Capacity5 |
Horsepower563 hp @ 5500 rpm | Horsepower505 hp @ 6500 rpm |
MPG City12 | MPG City17 |
MPG Highway14 | MPG Highway23 |
Engine | |
Engine Name5.5L 544 hp V8 | Engine Name2.9L 505 hp V6 |
Torque | Torque443 lb-ft @ 2500 rpm |
Horsepower544 hp @ 5500 rpm | Horsepower505 hp @ 6500 rpm |
DrivetrainAWD | DrivetrainAWD |
Fuel Economy | |
MPG City12 | MPG City17 |
MPG Highway14 | MPG Highway23 |
Interior | |
Leather SeatsStandard | Leather SeatsStandard |
Seating Capacity5 | Seating Capacity5 |
Key Features | |
Navigation SystemStandard | Navigation SystemStandard |
Sunroof/MoonroofStandard | Sunroof/Moonroof |
Dimensions & Capacity | |
Cargo Space45.2 cu ft | Cargo Space18.5 cu ft |
Curb Weight5633 lbs | Curb Weight4360 lbs |
Height76.0 in | Height66.3 in |
Length184.5 in | Length185.1 in |
Width79.0 in | Width77.0 in |
Wheelbase112.2 in | Wheelbase111.0 in |
Maximum Payload1433 lbs | Maximum Payload1383 lbs |
Number of doors4 | Number of doors4 |
Maximum Towing Capacity3500 lbs | Maximum Towing Capacity3000 lbs |
![]() Mercedes-Benz G-Class G 63 AMG 4MATIC $139,900MSRP | ![]() Alfa Romeo Stelvio Quadrifoglio AWD $87,370MSRP |
Mercedes-Benz G-Class G 63 AMG 4MATIC $139,900MSRP | Alfa Romeo Stelvio Quadrifoglio AWD $87,370MSRP |
|---|
Overview | ||
Years produced | 2013-2016 | 2018-2024 |
MSRP | $139,900 | $87,370 |
Average price | $57,807 | $46,853 |
Listings | ||
Ratings & Reviews | ||
User reviews | ||
Popular Features & Specs | ||
Engine | 5.5L 563 hp V8 | 2.9L 505 hp V6 |
Drive Train | AWD | AWD |
Seating Capacity | 5 | 5 |
Horsepower | 563 hp @ 5500 rpm | 505 hp @ 6500 rpm |
MPG City | 12 | 17 |
MPG Highway | 14 | 23 |
Engine | ||
Engine Name | 5.5L 544 hp V8 | 2.9L 505 hp V6 |
Torque | 443 lb-ft @ 2500 rpm | |
Horsepower | 544 hp @ 5500 rpm | 505 hp @ 6500 rpm |
Drivetrain | AWD | AWD |
Fuel Economy | ||
MPG City | 12 | 17 |
MPG Highway | 14 | 23 |
Interior | ||
Leather Seats | Standard | Standard |
Seating Capacity | 5 | 5 |
Key Features | ||
Navigation System | Standard | Standard |
Sunroof/Moonroof | Standard | |
Dimensions & Capacity | ||
Cargo Space | 45.2 cu ft | 18.5 cu ft |
Curb Weight | 5633 lbs | 4360 lbs |
Height | 76.0 in | 66.3 in |
Length | 184.5 in | 185.1 in |
Width | 79.0 in | 77.0 in |
Wheelbase | 112.2 in | 111.0 in |
Maximum Payload | 1433 lbs | 1383 lbs |
Number of doors | 4 | 4 |
Maximum Towing Capacity | 3500 lbs | 3000 lbs |
The Mercedes-AMG G 63 is a distinctive off-roader, appealing to those who thrive on the city streets but wish for the occasional venture onto bumpier paths. Touted for its powerful V8 engine, it delivers an engaging drive with a roar that does not go unnoticed. Its performance aligns closely with many sports cars, boasting a hand-built engine capable of accelerating from 0-60 mph in merely 4.5 seconds. Though equipped for challenging terrains, the G 63 is primarily a showpiece rather than a tool for serious off-roading due to its high price point. Conversely, the Alfa Romeo Stelvio Quadrifoglio AWD positions itself as a record-setting SUV, claiming speed supremacy in the U.S. With a twin-turbocharged 2.9-liter V-6 engine, it reaches impressive top speeds and features a sophisticated all-wheel-drive system ensuring efficient power distribution across its wheels, allowing for a balanced and dynamic driving experience.
- Handcrafted twin-turbocharged 4.0-liter V8
- 12-inch digital gauge cluster
- Surround-view camera
- Side-exit exhaust
- Dual 10-inch infotainment touchscreens
- 2.9-liter twin-turbocharged V-6
- 8-speed automatic transmission, all-wheel drive
- Bi-Xenon headlamps, LED daytime running lights
- Carbon fiber driveshaft, anodized brake calipers, 20-inch wheels
- Leather-wrapped gear shifter, premium rotary knobs, wireless mobile charging
Delving deeper into power specifics, the Mercedes-Benz G-Class G AMG 63’s 4.0-liter V8 delivers 577 horsepower and 627 lb-ft of torque. This is contrasted with the Alfa Romeo Stelvio Quadrifoglio AWD’s 2.9-liter V-6, outputting 505 horsepower and 443 lb-ft of torque. The G-Class G AMG 63’s curb weight of 5,644 pounds is notably heavier compared to the Stelvio Quadrifoglio’s leaner 4,309 pounds, highlighting key differences in design priorities between the two vehicles.
The Mercedes-Benz G-Class G AMG 63 features a robust 4.0-liter V8 engine coupled with a nine-speed automatic transmission and four-wheel drive, facilitating an estimated 0-60 mph sprint in 4.5 seconds. In comparison, the Alfa Romeo Stelvio Quadrifoglio AWD showcases its prowess with a potent 505hp 2.9-liter V-6 engine, mated to an eight-speed automatic transmission and all-wheel drive, and edges out the performance race with a quicker 0-60 mph mark of 3.3 seconds.
Examining dimensions, the Mercedes-Benz G-Class G AMG 63 extends to 191.9 inches in length with a wheelbase of 113.8 inches. Its width is measured at 86.1 inches, and its height reaches 77.4 inches. The Alfa Romeo Stelvio Quadrifoglio AWD is compact, measuring 185.1 inches in length, with a 110.9-inch wheelbase, 77.0 inches in width, and a height of 66.3 inches. These differences underscore the individuality in each vehicle's design approach.

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