BMW 3 Series vs. Mercedes-Benz GLB
iSeeCars' unbiased and data-driven comparison of the BMW 3 Series and Mercedes-Benz GLB 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 BMW 3 Series and the Mercedes-Benz GLB.
In comparing the BMW 3 Series's and the Mercedes-Benz GLB's specifications and ratings, the BMW 3 Series has the advantage in the area of base engine power. The Mercedes-Benz GLB has the advantage in the areas of new vehicle base pricing, resale value and interior volume. Based on this comparison of the BMW 3 Series's and the Mercedes-Benz GLB's specifications and ratings, the Mercedes-Benz GLB is a better car than the BMW 3 Series.
Pricing: For a new model, the BMW 3 Series's price is between $51,029 and $70,446, with the Mercedes-Benz GLB priced between $46,925 and $54,985.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the BMW 3 Series loses 51.4 percent of its value and the Mercedes-Benz GLB loses 45.6 percent of its value. This means the Mercedes-Benz GLB retains 5.8 percentage points more of its value and has the advantage of higher resale value versus the BMW 3 Series.
Engine Power and Fuel Efficiency Comparison: For engine performance, the BMW 3 Series’s base engine makes 255 horsepower, and the Mercedes-Benz GLB base engine makes 221 horsepower.
Passenger Space Comparison: The Mercedes-Benz GLB, a crossover/compact SUV, has the advantage of offering more interior volume, reflected in more front head room, rear head room, rear shoulder room and rear leg room. The BMW 3 Series, a compact car, has the advantage in the areas of front shoulder room, front leg room and cargo space.
Safety Ratings: When comparing crash test ratings from NHTSA, the BMW 3 Series has higher safety ratings than the Mercedes-Benz GLB, with an average rating of 5 out of 5 Stars compared to 4.67 out of 5 Stars.
New Car Pricing
Asking Price:
51029 - 70446
Starting MSRP:
47500
Category Avg Starting MSRP:
(Luxury Compact Cars)
48679
Category Starting MSRP Range:
(Luxury Compact Cars)
33400 - 78400
New Car Pricing
Asking Price:
46925 - 54985
Starting MSRP:
43800
Category Avg Starting MSRP:
(Luxury Compact SUVs)
47438
Category Starting MSRP Range:
(Luxury Compact SUVs)
24600 - 63100
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Compact Cars)
53319
Category Avg Price Range:
(Luxury Compact Cars)
44192 - 62446
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Compact SUVs)
59368
Category Avg Price Range:
(Luxury Compact SUVs)
57126 - 63354
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
BMW 3 Series Scores & Rankings
Overall Score:
7.7 / 10
Reliability:
7.3 / 10
Retained Value:
7.7 / 10
Safety:
8.0 / 10
Mercedes-Benz GLB Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
8.1 / 10
Safety:
7.7 / 10
iSeeCars Reliability Insights for BMW 3 Series
Remaining Life Expectancy (years):
11.0
Typical Category Remaining Life Expectancy:
(Luxury Compact Cars)
10.7
Category Remaining Life Expectancy Range:
(Luxury Compact Cars)
9.5 - 11.7
Chance of Reaching 200k Miles for a New Car:
0.027
iSeeCars Reliability Insights for Mercedes-Benz GLB
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
(Luxury Compact SUVs)
15.0
Category Remaining Life Expectancy Range:
(Luxury Compact SUVs)
12.0 - 16.3
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
BMW 3 Series Rankings
Ranking
5 out of / 36Ranking
10 out of / 36Ranking
11 out of / 36Ranking
11 out of / 32Ranking
12 out of / 36Ranking
15 out of / 36Ranking
16 out of / 32Ranking
19 out of / 36Ranking
20 out of / 36Ranking
20 out of / 36Mercedes-Benz GLB Rankings
Ranking
2 out of / 26Ranking
3 out of / 28Ranking
4 out of / 28Ranking
5 out of / 28Ranking
7 out of / 29Ranking
7 out of / 28Ranking
7 out of / 28Ranking
9 out of / 68Ranking
10 out of / 68Ranking
11 out of / 29Ranking
11 out of / 27Ranking
12 out of / 68Ranking
13 out of / 29Ranking
19 out of / 29Ranking
20 out of / 64Ranking
25 out of / 68Ranking
25 out of / 68Ranking
25 out of / 28Ranking
28 out of / 29Ranking
29 out of / 29Ranking
62 out of / 68Available Body Styles
Sedan
Available Body Styles
SUV
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
BMW 3 Series Trim Levels
330i, 330i xDrive, M340i, M340i xDrive
Mercedes-Benz GLB Trim Levels
AMG GLB 35, GLB 250, GLB 250 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):
5 out of 5 Stars
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):
4.67 out of 5 Stars
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:
255 hp @ 4700 rpm
Torque:
295 foot-lbs @ 1600 rpm
Power-to-Weight Ratio (higher is better):
0.070 hp per pound
Towing capacity:
Not yet available
Base Drivetrain Specs
Horsepower:
221 hp @ 5500 rpm
Torque:
258 foot-lbs @ 1800 rpm
Power-to-Weight Ratio (higher is better):
0.058 hp per pound
Towing capacity:
Not yet available
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
Not yet available
Range (city/hwy):
Not yet available
Recommended Fuel Type:
Not yet available
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
FWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
Not yet available
Range (city/hwy):
Not yet available
Recommended Fuel Type:
Not yet available
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Heated Steering Wheel:
Available
Parking Sensors:
Available
Power Lift Gate:
Available
Air Suspension:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
N/A
Paddle Shifters:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Available
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
N/A
Automatic Parking:
Standard
Heated Steering Wheel:
N/A
Parking Sensors:
Standard
Power Lift Gate:
Standard
Air Suspension:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Safety Features
Backup camera:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Seat Reminder:
Standard
Blind Spot Monitoring:
Available
Rear Cross-Traffic Alert:
Available
360-Degree Camera:
N/A
Safety Features
Backup camera:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
Standard
Rear Seat Reminder:
Standard
Blind Spot Monitoring:
Standard
Rear Cross-Traffic Alert:
N/A
360-Degree Camera:
Available
Interior Dimensions
Front Head Room:
38.7 inches
Front Leg Room:
42 inches
Front Shoulder Room:
56 inches
Rear Head Room:
37.6 inches
Rear Leg Room:
35.2 inches
Rear Shoulder Room:
54.6 inches
Cargo Space:
16.9 cubic feet
Cargo Space, 2nd-row seat folded down:
Not yet available
Overall Interior Volume:
94.0 cubic feet
Interior Dimensions
Front Head Room:
40.7 inches
Front Leg Room:
41.1 inches
Front Shoulder Room:
55.9 inches
Rear Head Room:
39.3 inches
Rear Leg Room:
38.1 inches
Rear Shoulder Room:
54.9 inches
Cargo Space:
12.4 cubic feet
Cargo Space, 2nd-row seat folded down:
62 cubic feet
Overall Interior Volume:
125 cubic feet
Exterior Dimensions
Curb Weight:
3644 lbs
Width:
81.4 inches
Height:
56.8 inches
Length:
185.9 inches
Wheelbase:
112.2 inches
Ground Clearance:
5.6 inches
Exterior Dimensions
Curb Weight:
3781 lbs
Width:
79.5 inches
Height:
65.3 inches
Length:
182.4 inches
Wheelbase:
111.4 inches
Ground Clearance:
5.3 inches
Standard Wheel/Tire Information
Wheel Size:
18.0 x 7.5 inches
Wheel Type:
aluminum alloy
Tire Size:
225/45R18
Standard Wheel/Tire Information
Wheel Size:
18.0 x 7.5 inches
Wheel Type:
aluminum alloy
Tire Size:
235/55R18
Exterior Colors
Black
Black Sapphire Metallic / Jet Black
Blue
Arctic Race Blue Metallic / Frozen Portimao Blue II Metallic / Frozen Tanzanite Blue Metallic / Portimao Blue Metallic / Tanzanite Blue II Metallic
Gray
Brooklyn Grey Metallic / Dravit Grey Metallic / Frozen Pure Grey II Metallic / Frozen Pure Grey Metallic / Skyscraper Grey Metallic
Red
Vegas Red Metallic
White
Alpine White / Mineral White Metallic
Silver
Not available
Exterior Colors
Black
Cosmos Black Metallic / Night Black
Blue
Starling Blue Metallic
Gray
Mountain Grey Metallic
Red
MANUFAKTUR Patagonia Red Metallic
White
Polar White
Silver
Cirrus Silver Metallic
Interior Colors
Beige
Canberra Beige
Black
Black / Black w/ Blue Contrast Stitching
Brown
Cognac / Mocha
Gray
Oyster
Red
Tacora Red
Interior Colors
Beige
Macchiato Beige
Black
Black / Black w/ Red Stitching
Brown
Bahia Brown / Bahia Brown w/ Grey Stitching
Gray
Sage Grey/Black
Red
Classic Red/Black
