2025 Mercedes-Benz GLB-Class vs 2026 Mazda CX-70

$45,800 · Crossover

$42,250 · Crossover

Comparison Overview

Choosing between the compact luxury of the Mercedes-Benz GLB-Class and the sheer size of the newer Mazda CX-70 presents a classic dilemma: prestige versus practicality. Buyers often weigh upfront cost heavily, and here the 2026 Mazda CX-70 leads with a $42,250 MSRP, undercutting the 2025 Mercedes-Benz GLB-Class by $3,550. However, the performance difference is significant, with the Mazda offering 280 hp and 332 lb-ft of torque compared to the Mercedes' 221 hp. If fuel economy matters more for daily driving, the GLB is slightly better, achieving 28 MPG combined, though it requires the more expensive premium unleaded fuel. Conversely, the CX-70 delivers a massive 39.6 cu ft of cargo space, dwarfing the GLB's 22 cu ft. This choice boils down to whether you prioritize a smaller, premium footprint or superior size and power.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Mercedes-Benz GLB-Class

The GLB-Class offers better fuel economy at 28 MPG combined and is significantly shorter in length at 182.4 inches, making tight city navigation easier.

👨‍👩‍👧‍👦 Best for Families

2026 Mazda CX-70

The CX-70 easily wins for families due to its substantially larger 39.6 cu ft of cargo capacity compared to the GLB's 22 cu ft.

🏎️ Best for Enthusiasts

2026 Mazda CX-70

The CX-70 provides significantly more performance, boasting 280 hp and 332 lb-ft of torque versus the GLB's 221 hp.

💰 Best Value

2026 Mazda CX-70

The CX-70 offers more horsepower (59 hp advantage) and much greater cargo space for a $3,550 lower starting MSRP.

Choose the Mercedes-Benz GLB-Class if...

You need a more city-friendly footprint due to its shorter length of 182.4 inches.
You prefer the efficiency trade-off, achieving 33 MPG on the highway despite needing premium fuel.
You value the brand image associated with the Mercedes-Benz badge, even in its compact offering.

Choose the Mazda CX-70 if...

Maximum hauling capacity is essential, given its segment-leading 39.6 cu ft of cargo space.
You demand quicker acceleration, as the 280 hp engine significantly outmuscles the GLB’s 221 hp output.
You want the advantage of standard All-Wheel Drive combined with the ability to use regular unleaded gasoline.

Key Dimensions

Dimension	Mercedes-Benz GLB-Class	Mazda CX-70
Length	182.4"	200.8"
Width	72.2"	-
Height	66.7"	68.2"
Wheelbase	111.4"	122.8"

Features Comparison

Safety

Feature	Mercedes-Benz	Mazda
Blind Spot Monitor	✓	✓
Driver Attention Alert	✓	✓
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Brake Drying	✓	—
Front Ventilated Disc Brakes	✓	✓
Rear Solid Disc Brakes	✓	—
Brake Preparation System	✓	—
Brake Assist	✓	—
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Front Fog Lights	✓	—
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	✓
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	—
Engine Immobilizer	✓	✓
Lane Departure Warning	—	✓
Lane Keeping Assist System	—	✓
Rear Cross Traffic Alert	—	✓
Rear Ventilated Disc Brakes	—	✓
Self-Leveling Headlights	—	✓

Engine

Feature	Mercedes-Benz	Mazda
Base Engine Displacement	2.0 L	3.3 L
Number of Cylinders	inline 4	inline 6
Base Engine Type	mild hybrid	mild hybrid
Horsepower	221 hp @ 5500 rpm	280 hp @ 5000 rpm
Torque	258 lb-ft @ 1800 rpm	332 lb-ft @ 2000 rpm
Number of Valves	16	24
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Mercedes-Benz	Mazda
Transmission Type	8-speed automated manual	8-speed shiftable automatic
Drivetrain Type	front wheel drive	all wheel drive
Center Differential Type	—	Limited Slip
Hill Descent Control	—	✓

Fuel

Feature	Mercedes-Benz	Mazda
Fuel Type	premium unleaded (required)	regular unleaded
EPA Fuel Economy (City/Highway)	25/33 MPG	24/28 MPG
EPA Fuel Economy (Combined)	28 MPG	25 MPG
EPA Driving Range (City/Highway)	397.5/524.7 mi.	444.0/518.0 mi.
Fuel Tank Capacity	15.9 gal.	18.5 gal.

Comfort & Convenience

Feature	Mercedes-Benz	Mazda
Push Button Start	✓	✓
Tilt and Telescopic Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	✓
Cruise Control on Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	✓
Driver Assisted Parking Assist	✓	—
Wireless Charging Pad	✓	✓
Cruise Control	✓	—
Universal Remote Transmitter	✓	—
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Overhead Console with Storage	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Dual Zone Climate Control	✓	—
Rear Ventilation Ducts	✓	—
Interior Air Filtration	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	—
Turn Signal Indicators in Mirrors	✓	✓
Adaptive Cruise Control	—	✓
Heated Steering Wheel	—	✓
Rear Ventilation Ducts with Fan Control	—	✓
Three Zone Climate Control	—	✓

In Car Entertainment

Feature	Mercedes-Benz	Mazda
Infotainment Display	10.25 in	12.3 in
AM/FM Stereo	✓	✓
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	—
Satellite Radio Trial Period	6 months	—
Speaker System	—	8
Speed Sensitive Volume Control	—	✓

Power Feature

Feature	Mercedes-Benz	Mazda
One-Touch Power Windows	4	4
Keyless Entry	✓	✓
Heated Mirrors	✓	✓
Moonroof Type	—	1st Row Power Glass

Frontseats

Feature	Mercedes-Benz	Mazda
Front Head Room	40.7 in.	39.7 in.
Front Leg Room	41.1 in.	41.7 in.
Front Shoulder Room	55.9 in.	59.2 in.
Seat Material: Leatherette	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Thigh Extension	✓	—
Driver Seat Memory Settings	3	2
Passenger Seat Power Adjustments	8-way	8-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	—
Passenger Seat Thigh Extension	✓	—
Passenger Seat Memory Settings	3	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Front Hip Room	—	56.2 in.
Seat Material: Leather	—	✓
Driver Seat Ventilation	—	✓
Passenger Seat Ventilation	—	✓

Rearseats

Feature	Mercedes-Benz	Mazda
Rear Head Room	39.3 in.	39.3 in.
Rear Leg Room	38.1 in.	39.4 in.
Rear Shoulder Room	54.9 in.	58.1 in.
Split-Folding Rear Seatback	✓	✓
Reclining Rear Seats	✓	✓
Folding Center Armrest	✓	✓
Rear Hip Room	—	55.5 in.
Heated Rear Seats (Multi-Level)	—	✓

Tires and Wheels

Feature	Mercedes-Benz	Mazda
Wheel Material	Alloy	—
Wheel Size	18 x 7.5 in	21 x 9.5 in.
Tire Size	235/55R18	275/45R21
Run Flat Tires	✓	—
Wheel Finish	—	Painted Alloy
Tire Type	—	All Season
Spare Tire Type	—	Temporary
Spare Tire Location	—	Inside Mounted

Suspension

Feature	Mercedes-Benz	Mazda
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	Mercedes-Benz	Mazda
Basic Warranty	4 yr./ 50000 mi.	3 yr./ 36000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	5 yr./ 60000 mi.
Corrosion/Rust Warranty	4 yr./ 50000 mi.	5 yr./ unlimited mi.
Roadside Assistance	4 yr./ 50000 mi.	3 yr./ 36000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Mercedes-Benz GLB-Class and 2026 Mazda CX-70.

How much more fuel efficient is the Mercedes GLB compared to the Mazda CX-70?

The 2025 Mercedes GLB-Class is slightly more efficient, achieving 28 MPG combined versus the 2026 Mazda CX-70’s 25 MPG combined. However, remember the GLB requires premium unleaded fuel, which impacts real-world running costs.

Is the Mazda CX-70 significantly larger than the GLB-Class?

Yes, the difference in size is noticeable; the CX-70 measures 200.8 inches long, making it nearly 18 inches longer than the GLB's 182.4 inches. This extra length translates directly into the impressive 39.6 cu ft of cargo space in the Mazda.

Which vehicle is better for spirited driving enthusiasts?

The Mazda CX-70 is the clear winner here, offering 280 horsepower and 332 lb-ft of torque. This is a significant 59 hp advantage over the GLB’s 221 hp, ensuring a punchier driving experience.

What is the price difference and what drivetrain configuration comes standard?

The Mazda CX-70 has a lower MSRP at $42,250, creating a $3,550 savings over the GLB's $45,800. Furthermore, the CX-70 comes standard with All-Wheel Drive, while the GLB is FWD-based.

Do these crossovers use the same type of transmission?

No, while both use 8-speed setups, the Mercedes GLB uses an 8-speed automated manual transmission. In contrast, the Mazda CX-70 utilizes a more traditional 8-speed shiftable automatic transmission.

For daily city driving, is the smaller Mercedes GLB easier to manage?

Generally, yes, the GLB is easier to manage in tight spots because it is narrower (72.2 inches vs. the CX-70) and much shorter overall, aiding parking maneuvers.