BMW X7 provides 90.4 cubic feet of maximum cargo capacity compared with 84.9 cubic feet for the 2027 Mercedes-Benz GLS. BMW X7 xDrive40i is rated at 22 mpg combined, while the Mercedes-Benz GLS 450 is rated at 21 mpg combined. The GLS 450 is rated to tow up to 7,700 lbs compared with 7,500 lbs for BMW X7 xDrive40i. This page compares both vehicles across performance, passenger space, cargo capacity, technology, driver assistance, and ownership considerations.
BMW X7 emphasizes cargo flexibility, fuel economy, ground clearance, and BMW driving technology. The Mercedes-Benz GLS provides greater listed towing capacity at the base-model level, more cargo space behind the third row, and a different approach to display and interior technology.
BMW X7 xDrive40i and Mercedes-Benz GLS 450 both produce 375 hp. The GLS 450 produces 413 lb-ft of torque compared with 398 lb-ft for BMW X7 xDrive40i. BMW X7 provides more maximum cargo capacity, while the GLS provides more cargo room when all three seating rows are in use.
| Specification | 2027 BMW X7 xDrive40i | 2027 Mercedes-Benz GLS 450 |
|---|---|---|
| Engine | 3.0L Inline-6 TwinPower Turbo, 48V Mild-Hybrid | 3.0L Inline-6 Turbo, Mild Hybrid |
| Horsepower | 375 hp | 375 hp |
| Torque | 398 lb-ft | 413 lb-ft |
| Transmission | 8-speed automatic | 9G-TRONIC 9-speed automatic |
| Drivetrain | xDrive AWD | 4MATIC AWD |
| 0-60 mph | 5.6 sec | 5.4 sec |
| EPA City / Hwy / Combined | 21 / 25 / 22 mpg | 19 / 24 / 21 mpg |
| Towing Capacity | 7,500 lbs | 7,700 lbs |
| Ground Clearance | 8.7 in | 8.0 in |
| Length | 203.6 in | 205.4 in |
| Height | 72.2 in | 71.8 in |
| Seating | 7 | 6 standard, 7 optional |
| Cargo: 3rd Row Up | 12.8 cu ft | 17.4 cu ft |
| Cargo: 2nd Row Up | 48.6 cu ft | 43.0 cu ft |
| Max Cargo | 90.4 cu ft | 84.9 cu ft |
| Warranty: Basic / Powertrain | 4 yr / 50,000 mi | 4 yr / 50,000 mi |
BMW X7 xDrive40i and Mercedes-Benz GLS 450 each produce 375 hp from turbocharged inline-six engines with mild-hybrid technology and standard all-wheel drive. The GLS 450 produces 413 lb-ft of torque from 2,000 to 4,500 rpm, while BMW X7 xDrive40i produces 398 lb-ft from 1,850 to 5,000 rpm.
The GLS 450 reaches 60 mph in 5.4 seconds. BMW X7 xDrive40i reaches 60 mph in 5.6 seconds. BMW X7 xDrive40i is EPA-rated at 21 mpg city, 25 mpg highway, and 22 mpg combined. The GLS 450 is rated at 19 mpg city, 24 mpg highway, and 21 mpg combined.
Both lineups also offer higher-output configurations. BMW X7 M60i uses a 4.4L V8 BMW M TwinPower Turbo engine with 48V mild-hybrid assistance. It produces 523 hp and reaches 60 mph in 4.5 seconds. Mercedes-Benz GLS 580 produces 530 hp and reaches 60 mph in 4.6 seconds. Mercedes-AMG GLS 63 produces 603 hp and reaches 60 mph in 4.0 seconds. BMW X7 has 8.7 inches of ground clearance compared with 8.0 inches for the GLS. Both vehicles use self-leveling air suspension as standard equipment.
BMW X7 provides standard seating for seven passengers. The Mercedes-Benz GLS configuration listed in this comparison seats six passengers as standard, with seven-passenger seating available. With all three rows in use, the GLS provides 17.4 cubic feet of cargo capacity compared with 12.8 cubic feet in BMW X7. With the third row folded, BMW X7 provides 48.6 cubic feet of cargo space compared with 43.0 cubic feet in the GLS.
Maximum cargo capacity measures 90.4 cubic feet in BMW X7 and 84.9 cubic feet in the GLS, a difference of 5.5 cubic feet. Second-row captain’s-chair configurations are available depending on model and configuration.
BMW X7 xDrive40i comes standard with Sensafin upholstery. Extended Merino Leather and Full Merino Leather are available. The GLS 450 uses MB-Tex upholstery at the base level, with Nappa leather available. Both vehicles offer four-zone automatic climate control, with five-zone climate control available.
BMW X7 xDrive40i uses a curved display layout that combines a 12.3-inch digital instrument cluster with a 14.9-inch Central Information Display. The Mercedes-Benz GLS 450 uses the MBUX Superscreen with three 12.3-inch displays beneath a single glass panel, including a front-passenger touchscreen. BMW X7 therefore has the larger individual central display, while the GLS adds a dedicated front-passenger display.
Both vehicles include wireless Apple CarPlay and Android Auto compatibility, wireless device charging, navigation, over-the-air software updates, and voice recognition. The GLS 450 includes a Burmester Surround Sound System with Dolby Atmos as standard equipment. BMW X7 xDrive40i includes a HiFi Sound System. A Bowers & Wilkins Diamond Surround Sound System with up to 1,965 watts and 36 speakers is available. The GLS 450 includes DIGITAL LIGHT headlamps capable of projecting certain information onto the roadway. BMW X7 xDrive40i includes Adaptive Full LED headlights, with Crystal Headlights available.
BMW X7 includes Driving Assistant with Active Blind Spot Detection, Forward Collision Warning with Automatic Emergency Braking, Lane Keeping Assistance, and Speed Limit Assist. The available Driving Assistance Plus Package adds highway distance control and steering assistance. The GLS 450 includes blind-spot monitoring, lane-keeping assistance, forward collision mitigation, rear cross-traffic warning, surround-view cameras, automated parking, and DISTRONIC adaptive cruise control with stop-and-go functionality as a Digital Extra.
Both vehicles carry a four-year / 50,000-mile basic warranty and a four-year / 50,000-mile powertrain warranty. Every new BMW X7 includes BMW Ultimate Care scheduled maintenance coverage for the first three years or 36,000 miles. BMW Ultimate Care+ extensions are available for additional coverage up to seven years or 125,000 miles. BMW X7 xDrive40i is rated at 22 mpg combined, compared with 21 mpg combined for the GLS 450.
Standard BMW X7 xDrive40i equipment includes heated front seats, a heated steering wheel, a panoramic moonroof, remote engine start, and self-leveling air suspension. Surround-view functionality is available depending on configuration and package. The GLS 450 includes heated and ventilated front seats, a panorama roof, AIRMATIC air suspension, and a Burmester sound system as standard equipment.
BMW X7 provides greater listed maximum cargo capacity, more cargo room with the third row folded, slightly higher combined fuel economy, and greater ground clearance. The Mercedes-Benz GLS provides more cargo space behind the third row, greater listed towing capacity at the base-model level, and different standard display and audio equipment.
BMW of Milwaukee North can provide current availability information for BMW X7 xDrive40i and BMW X7 M60i models in Glendale, WI. The team can help shoppers compare powertrains, seating configurations, interior materials, technology packages, and available options. A test drive can also help shoppers evaluate the characteristics of available BMW X7 models.
BMW X7 provides more maximum cargo capacity at 90.4 cubic feet compared with 84.9 cubic feet in the GLS. With the third row folded, BMW X7 provides 48.6 cubic feet compared with 43.0 cubic feet in the GLS. The GLS provides more cargo space behind the third row, with 17.4 cubic feet compared with 12.8 cubic feet in BMW X7.
BMW X7 xDrive40i is EPA-rated at 21 mpg city, 25 mpg highway, and 22 mpg combined. Mercedes-Benz GLS 450 is rated at 19 mpg city, 24 mpg highway, and 21 mpg combined.
BMW X7 xDrive40i is rated to tow up to 7,500 lbs. Mercedes-Benz GLS 450 and GLS 580 are rated to tow up to 7,700 lbs.
Yes. BMW X7 uses xDrive intelligent all-wheel drive. Mercedes-Benz GLS uses 4MATIC all-wheel drive.
BMW X7 xDrive40i uses a 14.9-inch Central Information Display paired with a 12.3-inch digital instrument cluster. Mercedes-Benz GLS 450 uses the MBUX Superscreen with three 12.3-inch displays beneath a single glass panel, including a front-passenger touchscreen.
Yes. The 2027 BMW X7 is assembled at BMW Plant Spartanburg in South Carolina.
BMW X7 includes a four-year / 50,000-mile basic warranty and a four-year / 50,000-mile powertrain warranty. Every new BMW X7 also includes BMW Ultimate Care scheduled maintenance coverage for the first three years or 36,000 miles.
BMW X7 M60i produces 523 hp and reaches 60 mph in 4.5 seconds. Mercedes-Benz GLS 580 produces 530 hp and reaches 60 mph in 4.6 seconds.
