2025 Mercedes-AMG GLS63 vs BMW Alpina XB7 Which Luxury SUV Reigns Supreme
When it comes to luxury SUVs, the 2025 Mercedes-AMG GLS63 and BMW Alpina XB7 stand out as two of the most compelling options. These vehicles redefine what it means to combine performance, comfort, and value in a single package. SUVs have become the new face of luxury, offering the practicality and versatility that sedans once dominated. Both the GLS63 and XB7 push the boundaries of what you can expect from a high-end vehicle, delivering unmatched power and refinement. But which one truly deserves the crown? Let’s dive into what makes these SUVs exceptional.
Key Takeaways
The Mercedes-AMG GLS63 has a strong 4.0L twin-turbo V8 engine. It gives 603 horsepower and a smooth ride.
The BMW Alpina XB7 has a 4.4L twin-turbo V8 engine. It makes 612 horsepower and speeds up faster.
The GLS63 is great for families with its roomy inside. It also has advanced features for comfort and luxury.
The XB7 has more space for cargo and is very useful. It’s a good pick if you need extra room.
Both SUVs cost a lot to maintain, but the XB7 is known for being more reliable and easier to fix.
Performance Comparison
Engine and Powertrain
Mercedes-AMG GLS63 Engine and Powertrain
The Mercedes-AMG GLS63 boasts a 4.0L twin-turbo V8 engine that delivers an impressive 603 horsepower and 627 lb-ft of torque. This powerhouse pairs with a 9-speed automatic transmission, ensuring smooth gear shifts and optimal performance. The GLS63 also features a 48-volt mild-hybrid system, which enhances efficiency and provides an extra boost during acceleration. You’ll find this SUV’s engine excels in balancing raw power with refined engineering, making it a standout in its class.
BMW Alpina XB7 Engine and Powertrain
The BMW Alpina XB7 takes performance to another level with its 4.4L twin-turbo V8 engine. It generates 612 horsepower and 590 lb-ft of torque, slightly edging out the GLS63 in terms of raw output. The XB7’s 8-speed automatic transmission ensures precise and responsive shifts. Alpina’s engineering expertise shines through in this SUV, offering a blend of power and sophistication that caters to driving enthusiasts.
Vehicle | Horsepower | Torque (lb-ft) |
|---|---|---|
Mercedes-AMG GLS63 | 603 | 627 |
BMW Alpina XB7 | 612 | 590 |
Acceleration and Speed
0-60 mph Performance
When it comes to acceleration, the BMW Alpina XB7 edges ahead with a 0-60 mph time of just over 4.0 seconds. The Mercedes-AMG GLS63 follows closely with a time of 4.2 seconds. Both SUVs deliver exhilarating acceleration, but the XB7’s slight advantage makes it the quicker option for those who prioritize speed.
Top Speed
The top speed of the BMW Alpina XB7 reaches an impressive 180 mph, surpassing the GLS63’s 174 mph. These figures highlight the XB7’s focus on high-speed performance, while the GLS63 offers a slightly more restrained yet still thrilling driving experience.
Vehicle | 0-60 mph Time | Top Speed |
|---|---|---|
Mercedes-AMG GLS63 | 4.2 seconds | 174 mph |
BMW Alpina XB7 | Just over 4.0 seconds | 180 mph |
Driving Dynamics
Handling and Suspension
The GLS63 features AMG-tuned suspension that prioritizes comfort and control. Its adaptive air suspension system adjusts to road conditions, ensuring a smooth ride. The XB7, on the other hand, incorporates Alpina’s bespoke suspension tuning, which emphasizes precision and agility. You’ll notice the XB7 feels sportier, while the GLS63 leans toward a balanced approach.
On-Road and Off-Road Capabilities
Both SUVs excel on paved roads, but the GLS63 offers better off-road capabilities. Its 4MATIC all-wheel-drive system and off-road driving modes make it a versatile choice for adventurous drivers. The XB7 focuses more on on-road performance, delivering exceptional handling and stability at high speeds.
Luxury Features
Interior Design and Comfort
Mercedes-AMG GLS63 Interior and Materials
The Mercedes-AMG GLS63 offers an interior that blends sporty design with luxury. You’ll find Nappa leather upholstery paired with high-gloss anthracite limewood trim, creating a sophisticated atmosphere. The 12.3-inch digital instrument cluster and touchscreen media display dominate the dashboard, providing a modern aesthetic. AMG multicontour seats with climate controls and massage functions ensure a comfortable experience, even on long drives. The three rows of seats accommodate up to seven passengers, making this SUV a practical yet luxurious model for families. Ambient lighting with 64 customizable colors adds a personal touch to the cabin.
BMW Alpina XB7 Interior and Materials
The BMW Alpina XB7 takes a different approach, marrying modern technology with traditional luxury. Its interior emphasizes a “less is more” philosophy, creating a clean and elegant design. The seats in the XB7 are exceptionally comfortable, especially for larger individuals, making it ideal for long-distance travel. While the materials and features are understated compared to the GLS63, the XB7 focuses on delivering a refined and stable ride. This SUV’s interior reflects Alpina’s ethos of restraint and elegance, ensuring a premium experience for its passengers.
Technology and Innovation
Infotainment and Connectivity
The GLS63 features the MBUX multimedia system, which combines advanced voice recognition with a user-friendly interface. You can control navigation, music, and vehicle settings effortlessly. The XB7, while equally advanced, offers a more traditional infotainment layout. Both SUVs provide seamless smartphone integration, ensuring you stay connected on the go.
Driver Assistance and Safety Features
Safety takes center stage in both models. The GLS63 includes adaptive cruise control, lane-keeping assist, and a 360-degree camera system. The XB7 matches these features but adds Alpina-specific tuning for a smoother driving experience. Both SUVs prioritize your safety with cutting-edge driver assistance technologies.
Space and Practicality
Passenger Seating and Comfort
The GLS63 provides a spacious interior, particularly in the second row, where you’ll find about four inches more legroom than in the XB7. However, the XB7 excels in seat comfort. Its seats are more accommodating, especially for taller passengers, and offer a superior experience during long trips. The GLS63’s seats, while stylish, may feel firm due to non-adjustable thigh bolsters.
Cargo Space and Usability
The XB7 outshines the GLS63 in terms of cargo space and usability. Its second and third rows are more spacious, making it a better choice for families. The GLS63, while stylish, sacrifices some practicality for its design. If you prioritize space and comfort for long journeys, the XB7 offers a more practical solution.
Value and Ownership
Pricing and Customization
Base Prices and Trim Options
When comparing the base prices, the Mercedes-AMG GLS63 starts at a slightly higher price point than the BMW Alpina XB7. This reflects its focus on blending performance with luxury. The XB7, while more affordable initially, offers fewer standard features, making it a better choice if you prefer to customize your SUV to suit your needs. Both models provide a range of trims and configurations, ensuring you can tailor your vehicle to your preferences.
Optional Features and Packages
Both SUVs offer a variety of optional packages to enhance their appeal. For the GLS63, you can choose the AMG Night Package for a sportier look or the Designo Exclusive Nappa Leather Package for added interior refinement. Other options include 22-inch AMG forged wheels, a rear-seat entertainment system, and the Driver Assistance Package, which adds advanced safety features. The XB7 also provides customization options, but its packages focus more on performance and practicality. These add-ons allow you to elevate your driving experience, though they can significantly increase the final price.
Maintenance and Reliability
Warranty and Service Costs
Maintenance costs for these luxury SUVs can add up quickly. Routine services like oil changes and brake inspections for both models range from $250 to $300 at dealerships. More extensive services, such as spark plug replacements, can cost up to $1,800. Tire replacements for the GLS63 and XB7, using premium Michelin Pilot Sport 4 SUV tires, range from $1,500 to $2,500. Both vehicles come with comprehensive warranties, but you should budget for higher service costs due to their high-performance components.
Service Interval | Description | Estimated Cost |
|---|---|---|
10,000 MILES | Oil change, fluid checks, brake inspection | $250 – $300 (dealer) |
20,000 MILES | Cabin air filter replacement, brake fluid flush | $300 – $500 |
30,000 MILES | Comprehensive inspection, spark plug replacement | $1,200 – $1,800 |
Tires | Set of four Michelin Pilot Sport 4 SUV tires | $1,500 – $2,500 |
Long-Term Reliability
The GLS63 has faced criticism for reliability issues, including suspension and air conditioning problems. Some owners have also reported dissatisfaction with Mercedes-Benz service experiences. In contrast, the XB7 is often praised for its practicality and better service support. While the GLS63 excels in style, the XB7 offers a more reliable option for long-term ownership, making it a practical choice for those who value dependability.
Resale Value
Depreciation Rates
Luxury SUVs like the GLS63 and XB7 tend to depreciate faster than mainstream models. However, the XB7 holds its value slightly better due to its reputation for reliability and exclusivity. The GLS63, while stylish and powerful, may lose value more quickly because of its higher maintenance costs and perceived reliability concerns.
Market Demand and Retention
Both models enjoy strong market demand, but the XB7 appeals more to buyers seeking a balance of performance and practicality. The GLS63 attracts those who prioritize luxury and style. If you plan to resell your SUV, the XB7 may offer better retention of value, especially in markets where reliability is a key factor.
Buyer Recommendations
For Performance Enthusiasts
If you crave thrilling performance, both the Mercedes-AMG GLS63 and BMW Alpina XB7 deliver in spades. The GLS63 stands out with its AMG 4.0-liter V8 biturbo engine, which integrates an EQ Boost starter-generator for an additional 21 horsepower and 184 lb-ft of torque. Its AMG SPEEDSHIFT TCT 9-speed automatic transmission ensures quick gear shifts, while the AMG RIDE CONTROL+ air suspension offers adaptive damping for a smooth yet dynamic ride. You can tailor your driving experience with three selectable modes: Comfort, Sport, and Sport+.
Feature | Description |
|---|---|
Engine | AMG 4.0-liter V8 biturbo with EQ Boost for extra power and torque. |
Acceleration | 0-60 mph in 4.1 seconds, top speed of 174 mph. |
Transmission | 9-speed automatic for responsive shifts. |
Suspension | Adaptive air suspension for enhanced dynamics and comfort. |
Driving Modes | Comfort, Sport, and Sport+ for tailored driving experiences. |
The XB7, on the other hand, combines raw power with refined luxury. It balances the aggression of competitors like the Lamborghini Urus with the technological sophistication of the Porsche Cayenne Turbo S E-Hybrid. Its exclusivity and streamlined lineup ensure a focused driving experience, making it a unique choice for enthusiasts who value both performance and elegance.
Refined performance paired with understated luxury.
Balances power with advanced technology.
Offers exclusivity and a streamlined driving experience.
For Luxury and Comfort Seekers
If luxury and comfort top your list, the GLS63 and XB7 cater to different preferences. The GLS63 boasts a longer wheelbase, providing 3.4 inches more legroom in the second row. Its optional captain’s seat configuration improves third-row access, while features like the AIR-BALANCE package and Burmester® surround sound system elevate the interior experience. The GLS63’s cohesive design and premium materials create a robust and comfortable cabin.
The XB7, starting at around $100,000, emphasizes bespoke craftsmanship. Each model is hand-finished, ensuring a premium feel. While it may not match the GLS63 in interior excitement, it excels in practicality and spaciousness. The XB7’s superior build quality and understated luxury make it a strong contender for those seeking a refined yet functional luxury family SUV.
For Value-Conscious Buyers
For value-conscious buyers, the GLS63 offers a compelling mix of performance, size, and versatility. A well-maintained GLS63 with low mileage retains its value better, making it a safer market choice.
Factor | Description |
|---|---|
Market Stability | Proven reliability in the second generation (2017-2019). |
Vehicle Condition | Low-mileage models retain value better. |
Performance Features | Combines power, size, and versatility in the luxury SUV segment. |
The XB7, however, provides more space and practicality, making it ideal for families. Its positive customer service reputation further enhances its appeal. If you prioritize roominess and reliability, the XB7 may offer better long-term value.
Both the Mercedes-AMG GLS63 and BMW Alpina XB7 excel in their own unique ways, offering a blend of performance, luxury, and practicality. The GLS63 impresses with its AMG 4.0-liter V8 biturbo engine, delivering 603 horsepower and a 0-60 mph time of 4.1 seconds. Its luxurious features, such as the AIR-BALANCE package and Burmester® surround sound system, elevate the driving experience.
Feature | Specification |
|---|---|
Engine | AMG 4.0-liter V8 biturbo |
Horsepower | 603 hp |
Acceleration (0-60 mph) | 4.1 seconds |
Top Speed | 174 mph |
Transmission | AMG SPEEDSHIFT TCT 9-speed |
Suspension | AMG RIDE CONTROL+ air suspension |
Damping Modes | Comfort, Sport, Sport+ |
The BMW Alpina XB7, on the other hand, offers a more dynamic performance with its 4.4-liter Twin Power Turbo V8 engine, producing 630 horsepower and achieving 0-60 mph in just 3.9 seconds. Its meticulously crafted interior, featuring Alpina wood trim and bold headliner, reflects a focus on elegance and comfort.
Feature | Detail |
|---|---|
Engine | 4.4-litre Twin Power Turbo V8 |
Horsepower | 630 hp |
Torque | 590 lb-ft |
0-60 mph | 3.9 seconds |
Handling | Remarkable poise and agility |
For speed enthusiasts, the XB7’s quicker acceleration and higher horsepower make it the ideal choice. If you prioritize comfort and advanced luxury features, the GLS63 stands out with its spacious interior and premium packages. Both SUVs cater to different needs, ensuring you can find the perfect match for your lifestyle.
