2025 Alfa Romeo Stelvio vs 2025 Mercedes-Benz GLB-Class
Comparison Overview
Choosing between Italian flair and German practicality in the luxury crossover segment often comes down to how much you prioritize performance versus pocketbook preservation. The 2025 Alfa Romeo Stelvio lands with an MSRP of $48,995, bringing a punchy 280 hp and 306 lb-ft of torque thanks to its standard all-wheel drive. Conversely, the 2025 Mercedes-Benz GLB-Class starts $3,195 cheaper at $45,800, offering front-wheel drive and better efficiency. That efficiency gap is notable: the GLB achieves a combined 28 MPG versus the Stelvio's 24 MPG. If raw power is calling, the Stelvio offers 59 more horsepower, but if maximizing fuel stops is key, the GLB delivers 33 MPG highway versus the Stelvio’s 28 MPG highway. Cargo space also tilts toward the Mercedes, offering 22 cu ft compared to the Alfa’s 18.5 cu ft.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Mercedes-Benz GLB-Class
The GLB-Class wins for commuters due to its superior combined 28 MPG rating and lower initial price.
2025 Mercedes-Benz GLB-Class
Offering 22 cu ft of cargo capacity versus 18.5 cu ft, the GLB provides better immediate utility for hauling gear.
2025 Alfa Romeo Stelvio
The Stelvio clearly caters to enthusiasts by delivering 280 hp and 306 lb-ft of torque from its standard AWD platform.
2025 Mercedes-Benz GLB-Class
Saving $3,195 upfront and gaining 4 combined MPG makes the GLB the smarter value proposition.
Choose the Alfa Romeo Stelvio if...
- Your driving experience needs 280 horsepower on tap immediately.
- You prefer the security and traction of standard all-wheel drive for all conditions.
- Style and Italian performance heritage are top priorities, regardless of running costs.
Choose the Mercedes-Benz GLB-Class if...
- Reducing fuel stops is important, given its 28 MPG combined rating.
- You need maximum storage, benefiting from the 22 cu ft of cargo space.
- Keeping the initial purchase price under $46,000 is essential for budgeting.
Key Dimensions
| Dimension | Alfa Romeo Stelvio | Mercedes-Benz GLB-Class |
|---|---|---|
| Length | 184.6" | 182.4" |
| Width | 74.9" | 72.2" |
| Height | 66.0" | 66.7" |
| Wheelbase | 111.0" | 111.4" |
Features Comparison
Safety
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Blind Spot Monitor | ✓ | ✓ |
| Lane Departure Warning | ✓ | — |
| Lane Keeping Assist System | ✓ | — |
| Rear Cross Traffic Alert | ✓ | — |
| Driver Attention Alert | ✓ | ✓ |
| Pre-Collision Safety System | ✓ | ✓ |
| Dual Front Side-Mounted Airbags | ✓ | ✓ |
| Front Head Airbags | ✓ | ✓ |
| Rear Head Airbags | ✓ | ✓ |
| Electronic Stability Control | ✓ | ✓ |
| Traction Control System | ✓ | ✓ |
| LATCH System | ✓ | ✓ |
| Rear Door Child Safety Locks | ✓ | ✓ |
| Anti-lock Brakes (ABS) | 4-Wheel | 4-Wheel |
| Front Ventilated Disc Brakes | ✓ | ✓ |
| Rear Solid Disc Brakes | ✓ | ✓ |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| LED Headlights | ✓ | ✓ |
| Adaptive Headlights | ✓ | — |
| Self-Leveling Headlights | ✓ | — |
| Daytime Running Lights | ✓ | ✓ |
| Headlight Washers | ✓ | — |
| Integrated Turn Signal Mirrors | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Height Adjustable Headrests | ✓ | ✓ |
| Rear Headrests | 3 | 3 |
| Rear Center 3-Point Seatbelt | ✓ | ✓ |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Post-Collision Safety System | — | ✓ |
| Passenger Airbag Occupant Sensing Deactivation | — | ✓ |
| Brake Drying | — | ✓ |
| Brake Preparation System | — | ✓ |
| Headlight Delay-Off | — | ✓ |
| Front Fog Lights | — | ✓ |
| Rear Height Adjustable Headrests | — | ✓ |
Engine
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.0 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | gas | mild hybrid |
| Horsepower | 280 hp @ 5200 rpm | 221 hp @ 5500 rpm |
| Torque | 306 lb-ft @ 2000 rpm | 258 lb-ft @ 1800 rpm |
| Number of Valves | 16 | 16 |
| Camshaft Type | Single overhead cam (SOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
Drive Train
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 8-speed automated manual |
| Drivetrain Type | all wheel drive | front wheel drive |
| Hill Descent Control | ✓ | — |
Fuel
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 22/28 MPG | 25/33 MPG |
| EPA Fuel Economy (Combined) | 24 MPG | 28 MPG |
| EPA Driving Range (City/Highway) | 371.8/473.2 mi. | 397.5/524.7 mi. |
| Fuel Tank Capacity | 16.9 gal. | 15.9 gal. |
Comfort & Convenience
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| 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 | ✓ | ✓ |
| Wireless Charging Pad | ✓ | ✓ |
| Adaptive Cruise Control | ✓ | — |
| Universal Remote Transmitter | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | ✓ |
| Front Seatback Storage | ✓ | ✓ |
| Leather Steering Wheel | ✓ | ✓ |
| Simulated Alloy Trim on Steering Wheel | ✓ | — |
| Heated Steering Wheel | ✓ | — |
| Dual Zone Climate Control | ✓ | ✓ |
| Rear Ventilation Ducts | ✓ | ✓ |
| Interior Air Filtration | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Driver Assisted Parking Assist | — | ✓ |
| Cruise Control | — | ✓ |
| Overhead Console with Storage | — | ✓ |
In Car Entertainment
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Infotainment Display | 8.8 in | 10.25 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 8 | — |
| Android Auto (Wired) | ✓ | — |
| Apple CarPlay (Wired) | ✓ | — |
| USB Port | ✓ | ✓ |
| Auxiliary Audio Input | ✓ | — |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 6 months | 6 months |
| Android Auto (Wireless) | — | ✓ |
| Apple CarPlay (Wireless) | — | ✓ |
Power Feature
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Keyless Entry | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Front Head Room | 40.2 in. | 40.7 in. |
| Front Leg Room | 36.6 in. | 41.1 in. |
| Front Shoulder Room | 57.5 in. | 55.9 in. |
| Seat Material: Leather | ✓ | — |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Power Adjustments | 8-way | 8-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | Power |
| Driver Seat Memory Settings | 3 | 3 |
| Passenger Seat Power Adjustments | 6-way | 8-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | Power |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Seat Material: Leatherette | — | ✓ |
| Driver Seat Thigh Extension | — | ✓ |
| Passenger Seat Thigh Extension | — | ✓ |
| Passenger Seat Memory Settings | — | 3 |
Rearseats
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Rear Head Room | 38.9 in. | 39.3 in. |
| Rear Leg Room | 31.9 in. | 38.1 in. |
| Rear Shoulder Room | 56.0 in. | 54.9 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Heated Rear Seats (Multi-Level) | ✓ | — |
| Reclining Rear Seats | — | ✓ |
| Folding Center Armrest | — | ✓ |
Tires and Wheels
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Wheel Material | Alloy | Alloy |
| Wheel Size | 19 x 8.0 in | 18 x 7.5 in |
| Tire Type | All Season | — |
| Tire Size | 235/55R19 | 235/55R18 |
| Run Flat Tires | — | ✓ |
Suspension
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | — | ✓ |
| Rear Stabilizer Bar | — | ✓ |
Warranty
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Basic Warranty | 4 yr./ 50000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 4 yr./ 50000 mi. | 4 yr./ 50000 mi. |
| Corrosion/Rust Warranty | 12 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| Roadside Assistance | 4 yr./ unlimited mi. | 4 yr./ 50000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Alfa Romeo Stelvio and 2025 Mercedes-Benz GLB-Class.
Since both require premium fuel, how much will the MPG difference affect annual costs?
The Mercedes GLB-Class achieves 4 more combined MPG (28 vs 24). Over a year of driving, this efficiency gain will offset some of the Stelvio's $3,195 lower starting price, making the GLB cheaper to run.
Is the Alfa Romeo Stelvio’s extra power noticeable compared to the GLB?
Absolutely; the Stelvio boasts 280 horsepower compared to the GLB’s 221 hp, giving it a 59 hp advantage that Alfa Romeo owners expect for spirited driving.
How significant is the difference in physical size between these two crossovers?
The vehicles are very close in footprint, but the Stelvio is slightly longer at 184.6 inches, while the GLB-Class is taller at 66.7 inches.
What is the difference in how the power is delivered to the wheels?
The 2025 Alfa Romeo Stelvio comes standard with all-wheel drive, whereas the base 2025 Mercedes-Benz GLB-Class utilizes a front-wheel drive setup.
Which vehicle has the most practical cargo area for daily hauling?
The Mercedes-Benz GLB-Class provides 22 cu ft of cargo space, noticeably out-packing the Alfa Romeo Stelvio’s 18.5 cu ft rear area.
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