2021 BMW X7 vs. 2021 Mercedes-Benz GLS
iSeeCars' unbiased and data-driven comparison of the 2021 BMW X7 and 2021 Mercedes-Benz GLS contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the 2021 BMW X7 and the 2021 Mercedes-Benz GLS.
In comparing the 2021 BMW X7's and the 2021 Mercedes-Benz GLS's specifications and ratings, the 2021 BMW X7 has the advantage in the areas of typical lower range of pricing for used cars, and resale value. The 2021 Mercedes-Benz GLS has the advantage in the area of base engine power. The 2021 BMW X7 and 2021 Mercedes-Benz GLS have the same fuel efficiency. Based on this comparison of the 2021 BMW X7's and the 2021 Mercedes-Benz GLS's specifications and ratings, the 2021 BMW X7 is a better car than the 2021 Mercedes-Benz GLS.
Pricing: A used 2021 BMW X7 ranges from $43,994 to $72,997 while a used 2021 Mercedes-Benz GLS is priced between $50,947 to $106,997.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the 2021 BMW X7 loses 55 percent of its value and the 2021 Mercedes-Benz GLS loses 55.8 percent of its value. This means the 2021 BMW X7 retains 0.8 percentage points more of its value and has the advantage of higher resale value versus the 2021 Mercedes-Benz GLS.
Engine Power and Fuel Efficiency Comparison: For engine performance, the 2021 BMW X7’s base engine makes 335 horsepower, and the 2021 Mercedes-Benz GLS base engine makes 362 horsepower. Both the X7 and the GLS are rated to deliver an average of 21 miles per gallon, with highway ranges of 526 and 571 miles respectively. Both models use premium unleaded.
New Car Pricing
Asking Price:
-
Starting MSRP:
$74,900
Category Avg Starting MSRP:
(Luxury Large SUVs)
$76,620
Category Starting MSRP Range:
(Luxury Large SUVs)
$40,300 - $131,750
New Car Pricing
Asking Price:
-
Starting MSRP:
$76,000
Category Avg Starting MSRP:
(Luxury Large SUVs)
$76,620
Category Starting MSRP Range:
(Luxury Large SUVs)
$40,300 - $131,750
Used Car Pricing
Avg Used Car Price:
$57,539
Price Range:
$43,994 - $72,997
Category Avg Price:
(Luxury Large SUVs)
$66,853
Category Avg Price Range:
(Luxury Large SUVs)
$32,035 - $170,791
# Used Cars for Sale Nationally:
249
Avg Mileage of Used Cars for Sale:
51,960
# Good or Great Deals:
138
Used Car Pricing
Avg Used Car Price:
$68,848
Price Range:
$50,947 - $106,997
Category Avg Price:
(Luxury Large SUVs)
$66,853
Category Avg Price Range:
(Luxury Large SUVs)
$32,035 - $170,791
# Used Cars for Sale Nationally:
228
Avg Mileage of Used Cars for Sale:
44,242
# Good or Great Deals:
101
BMW X7 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
7.1 / 10
Safety:
Not available
Mercedes-Benz GLS Scores & Rankings
Overall Score:
6.3 / 10
Reliability:
5.6 / 10
Retained Value:
7.0 / 10
Safety:
Not available
iSeeCars Reliability Insights for 2021 BMW X7
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
(Luxury Large SUVs)
7.4
Category Remaining Life Expectancy Range:
(Luxury Large SUVs)
5.5 - 15.9
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for 2021 Mercedes-Benz GLS
Remaining Life Expectancy (years):
8.8
Typical Category Remaining Life Expectancy:
(Luxury Large SUVs)
7.4
Category Remaining Life Expectancy Range:
(Luxury Large SUVs)
5.5 - 15.9
Chance of Reaching 200k Miles for a New Car:
22.2%
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
32.7
Typical Category Recalls:
(Luxury Large SUVs)
6.4
Category Range for Recalls:
(Luxury Large SUVs)
1.1 - 32.7
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.1
Typical Category Recalls:
(Luxury Large SUVs)
6.4
Category Range for Recalls:
(Luxury Large SUVs)
1.1 - 32.7
BMW X7 Rankings
Ranking
3 out of / 29Ranking
3 out of / 22Ranking
6 out of / 22Ranking
7 out of / 29Ranking
8 out of / 22Ranking
9 out of / 22Ranking
9 out of / 19Ranking
10 out of / 22Ranking
11 out of / 29Ranking
11 out of / 29Ranking
11 out of / 22Ranking
12 out of / 22Ranking
13 out of / 29Ranking
14 out of / 29Ranking
14 out of / 29Ranking
17 out of / 22Ranking
18 out of / 26Ranking
21 out of / 29Mercedes-Benz GLS Rankings
Ranking
2 out of / 68Ranking
2 out of / 68Ranking
2 out of / 29Ranking
2 out of / 22Ranking
2 out of / 4Ranking
4 out of / 68Ranking
4 out of / 29Ranking
4 out of / 22Ranking
5 out of / 68Ranking
5 out of / 68Ranking
5 out of / 22Ranking
6 out of / 29Ranking
7 out of / 22Ranking
8 out of / 22Ranking
8 out of / 10Ranking
8 out of / 10Ranking
11 out of / 29Ranking
12 out of / 22Ranking
12 out of / 22Ranking
12 out of / 19Ranking
13 out of / 29Ranking
14 out of / 22Ranking
14 out of / 22Ranking
15 out of / 29Ranking
15 out of / 29Ranking
16 out of / 22Ranking
18 out of / 68Ranking
20 out of / 29Ranking
20 out of / 29Ranking
21 out of / 26Ranking
23 out of / 29Ranking
38 out of / 68Ranking
39 out of / 68Ranking
39 out of / 68Ranking
53 out of / 59Ranking
57 out of / 68Available Body Styles
SUV
Available Body Styles
SUV
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
2021 BMW X7 Trim Levels
ALPINA XB7, M50i, xDrive40i
2021 Mercedes-Benz GLS Trim Levels
AMG GLS 63, GLS 450, GLS 580, Mercedes-Maybach GLS 600 4MATIC
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
335 hp @ 5500 rpm
Torque:
331 foot-lbs @ 1500 rpm
Power-to-Weight Ratio (higher is better):
0.062 hp per pound
Towing capacity:
Not yet available
Base Drivetrain Specs
Horsepower:
362 hp @ 5500 rpm
Torque:
369 foot-lbs @ 1600 rpm
Power-to-Weight Ratio (higher is better):
0.066 hp per pound
Towing capacity:
Not yet available
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
Inline
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
19 / 24 / 21
Range (city/hwy):
416 / 526 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
Inline
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
20 / 24 / 21
Range (city/hwy):
476 / 571 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Air Suspension:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Trailer Hitch:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Captain's seat:
Available
Cooled/Ventilated Seats:
Available
Massage Seats:
Available
Panoramic Sunroof/Moonroof
Available
Quad Seats:
Available
Front Bench Seats:
N/A
Roof Rack:
N/A
Standard/Optional Features
Air Suspension:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Available
Internet Radio:
N/A
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Trailer Hitch:
Available
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Standard
Captain's seat:
Available
Cooled/Ventilated Seats:
Standard
Massage Seats:
Available
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
Available
Front Bench Seats:
N/A
Roof Rack:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
360-Degree Camera:
Available
Lane Keeping Assist:
Available
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
N/A
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Available
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Available
360-Degree Camera:
Standard
Lane Keeping Assist:
Available
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
41.9 inches
Front Leg Room:
39.8 inches
Front Shoulder Room:
60 inches
Rear Head Room:
39.9 inches
Rear Leg Room:
37.6 inches
Rear Shoulder Room:
58.1 inches
Cargo Space:
12.8 cubic feet
Cargo Space, 2nd-row seat folded down:
90.4 cubic feet
Overall Interior Volume:
Not yet available
Interior Dimensions
Front Head Room:
39.4 inches
Front Leg Room:
40.3 inches
Front Shoulder Room:
59.3 inches
Rear Head Room:
40.2 inches
Rear Leg Room:
41.9 inches
Rear Shoulder Room:
58.5 inches
Cargo Space:
17.4 cubic feet
Cargo Space, 2nd-row seat folded down:
84.7 cubic feet
Overall Interior Volume:
161.0 cubic feet
Exterior Dimensions
Curb Weight:
5397 lbs
Width:
87.3 inches
Height:
71.1 inches
Length:
203.3 inches
Wheelbase:
122.2 inches
Ground Clearance:
8.7 inches
Exterior Dimensions
Curb Weight:
5467 lbs
Width:
84.9 inches
Height:
72.4 inches
Length:
205 inches
Wheelbase:
123.4 inches
Ground Clearance:
7.9 inches
Standard Wheel/Tire Information
Wheel Size:
21.0 x 9.5 inches
Wheel Type:
aluminum alloy
Tire Size:
285/45R21
Standard Wheel/Tire Information
Wheel Size:
20.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
275/50R20
Exterior Colors
Black
Black Sapphire Metallic / Carbon Black Metallic / Jet Black
Blue
Phytonic Blue Metallic / Tanzanite Blue II Metallic
Brown
Sparkling Brown Metallic
Gray
Arctic Grey Metallic / Dark Graphite Metallic / Dravit Grey Metallic
Green
Manhattan Green Metallic
Red
Ametrin Metallic
White
Alpine White / Mineral White Metallic
Silver
Not available
Exterior Colors
Black
Black / Obsidian Black Metallic
Blue
Brilliant Blue Metallic / Lunar Blue Metallic
Brown
Not available
Gray
Selenite Grey Metallic
Green
Emerald Green Metallic
Red
designo Cardinal Red Metallic
White
designo Diamond White Metallic / Polar White
Silver
Iridium Silver Metallic / Mojave Silver Metallic
Interior Colors
Beige
Canberra Beige
Black
Black / Black w/ Brown Contrast Stitching
Brown
Coffee / Cognac / Tartufo
White
Ivory White / Ivory White/Night Blue
Interior Colors
Beige
Macchiato Beige/Black
Black
Black / Tartufo Brown/Black
Brown
Espresso Brown/Black
White
Not available
