2025 Alfa Romeo Tonale vs 2025 Mercedes-Benz GLB-Class
Comparison Overview
The most significant numerical disparity between the 2025 Alfa Romeo Tonale and the 2025 Mercedes-Benz GLB-Class is the $9,305 MSRP difference, with the Tonale starting at $36,495 versus the GLB-Class's $45,800. Fuel economy also presents a notable divergence; the GLB-Class achieves a 28 combined MPG rating, exceeding the Tonale's 24 combined MPG by 4 MPG, benefiting from its higher 25 city MPG rating (Tonale manages 21 city MPG). Power figures indicate the GLB-Class generates 221 hp, positioning it against the Tonale's undisclosed output but emphasizing a clear power objective from Mercedes-Benz. Dimensionally, the GLB-Class is longer at 182.4 inches and notably taller at 66.7 inches compared to the Tonale's 63.2-inch height. Cargo volume is nearly equivalent, with the Tonale offering 22.9 cu ft against the GLB-Class’s 22 cu ft.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Mercedes-Benz GLB-Class
The 2025 Mercedes-Benz GLB-Class provides superior fuel efficiency at 28 combined MPG, reducing operating costs for frequent drivers.
2025 Mercedes-Benz GLB-Class
The 2025 Mercedes-Benz GLB-Class offers a greater height of 66.7 inches, suggesting potentially more usable cabin space.
2025 Mercedes-Benz GLB-Class
With a specified 221 hp and 258 lb-ft of torque, the 2025 Mercedes-Benz GLB-Class provides quantifiable performance metrics.
2025 Alfa Romeo Tonale
The 2025 Alfa Romeo Tonale offers a substantial $9,305 initial savings over the Mercedes-Benz offering.
Choose the Alfa Romeo Tonale if...
- Budget constraints necessitate a starting MSRP under $37,000.
- All-wheel drive capability is a non-negotiable standard feature for the buyer.
- A slightly shorter overall length (178.3 inches) is preferred for urban maneuverability.
Choose the Mercedes-Benz GLB-Class if...
- Maximizing fuel economy, evidenced by 28 combined MPG, is a primary purchasing factor.
- The buyer prioritizes a specified output of 221 hp and 258 lb-ft of torque.
- A vehicle height of 66.7 inches is desired for a taller crossover stance.
Key Dimensions
| Dimension | Alfa Romeo Tonale | Mercedes-Benz GLB-Class |
|---|---|---|
| Length | 178.3" | 182.4" |
| Width | 72.4" | 72.2" |
| Height | 63.2" | 66.7" |
| Wheelbase | 103.8" | 111.4" |
Features Comparison
Safety
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Blind Spot Monitor | ✓ | ✓ |
| 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 | ✓ | ✓ |
| 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 |
| Front Ventilated Disc Brakes | ✓ | ✓ |
| Rear Ventilated Disc Brakes | ✓ | — |
| Brake Preparation System | ✓ | ✓ |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| Headlight Delay-Off | ✓ | ✓ |
| LED Headlights | ✓ | ✓ |
| Self-Leveling Headlights | ✓ | — |
| Daytime Running Lights | ✓ | ✓ |
| Headlight Washers | ✓ | — |
| 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 | ✓ | ✓ |
| Post-Collision Safety System | — | ✓ |
| Brake Drying | — | ✓ |
| Rear Solid Disc Brakes | — | ✓ |
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 |
| Number of Valves | 16 | 16 |
| Camshaft Type | Single overhead cam (SOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
| Horsepower | — | 221 hp @ 5500 rpm |
| Torque | — | 258 lb-ft @ 1800 rpm |
Drive Train
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Transmission Type | 9-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) | 21/29 MPG | 25/33 MPG |
| EPA Fuel Economy (Combined) | 24 MPG | 28 MPG |
| EPA Driving Range (City/Highway) | 283.5/391.5 mi. | 397.5/524.7 mi. |
| Fuel Tank Capacity | 13.5 gal. | 15.9 gal. |
Comfort & Convenience
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Push Button Start | ✓ | ✓ |
| Tilt and Telescopic Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Cruise Control 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 | ✓ | ✓ |
| Overhead Console with Storage | ✓ | ✓ |
| Leather Steering Wheel | ✓ | ✓ |
| Simulated Alloy Trim on Steering Wheel | ✓ | — |
| Heated Steering Wheel | ✓ | — |
| Dual Zone Climate Control | ✓ | ✓ |
| Interior Air Filtration | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Transmission Controls on Steering Wheel | — | ✓ |
| Driver Assisted Parking Assist | — | ✓ |
| Cruise Control | — | ✓ |
| Front Seatback Storage | — | ✓ |
| Rear Ventilation Ducts | — | ✓ |
In Car Entertainment
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Infotainment Display | 10.2 in | 10.25 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 6 | — |
| Android Auto (Wired) | ✓ | — |
| Apple CarPlay (Wired) | ✓ | — |
| USB Port | ✓ | ✓ |
| Auxiliary Audio Input | ✓ | — |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 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 | 38.8 in. | 40.7 in. |
| Front Leg Room | 41.7 in. | 41.1 in. |
| Front Shoulder Room | 55.7 in. | 55.9 in. |
| Front Hip Room | 54.3 in. | — |
| Seat Material: Cloth | ✓ | — |
| Front Seat Type: Sport | ✓ | — |
| Driver Seat Power Adjustments | 8-way | 8-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | Power |
| Passenger Seat Power Adjustments | 8-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 | — | ✓ |
| Front Seat Type: Bucket | — | ✓ |
| Driver Seat Thigh Extension | — | ✓ |
| Driver Seat Memory Settings | — | 3 |
| Passenger Seat Thigh Extension | — | ✓ |
| Passenger Seat Memory Settings | — | 3 |
Rearseats
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Rear Head Room | 38.2 in. | 39.3 in. |
| Rear Leg Room | 38.0 in. | 38.1 in. |
| Rear Shoulder Room | 54.8 in. | 54.9 in. |
| Rear Hip Room | 53.5 in. | — |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Folding Rear Seat Feature | ✓ | — |
| Pass-Thru Center Armrest | ✓ | — |
| Reclining Rear Seats | — | ✓ |
| Folding Center Armrest | — | ✓ |
Tires and Wheels
| Feature | Alfa Romeo | Mercedes-Benz |
|---|---|---|
| Wheel Finish | Painted Alloy | — |
| Wheel Size | 18 x 7.5 in | 18 x 7.5 in |
| Tire Type | All Season | — |
| Tire Size | 225/55R18 | 235/55R18 |
| Wheel Material | — | Alloy |
| 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 Tonale and 2025 Mercedes-Benz GLB-Class.
How does the mandated premium fuel requirement affect the long-term cost difference between these two crossovers?
Both the 2025 Alfa Romeo Tonale and the 2025 Mercedes-Benz GLB-Class require premium unleaded fuel. The GLB-Class's 4 MPG combined efficiency advantage mitigates some of the higher pump cost associated with premium fuel.
Does the difference in transmission technology impact performance metrics between the two models?
The Tonale utilizes a 9-speed shiftable automatic, whereas the GLB-Class uses an 8-speed automated manual. This structural difference, combined with the GLB’s 221 hp, suggests potentially different acceleration characteristics.
Which crossover provides more usable storage space behind the rear seats?
The 2025 Alfa Romeo Tonale offers marginally more cargo capacity at 22.9 cu ft compared to the 2025 Mercedes-Benz GLB-Class's 22 cu ft.
Given that both are AWD/FWD, what is the primary mechanical difference in drivetrain configuration?
The 2025 Alfa Romeo Tonale comes standard with all-wheel drive, while the 2025 Mercedes-Benz GLB-Class specified here uses a front-wheel drive configuration.
How much larger is the Mercedes-Benz GLB-Class in physical footprint compared to the Alfa Romeo Tonale?
The GLB-Class is 4.1 inches longer (182.4 vs. 178.3 inches) and 3.5 inches taller (66.7 vs. 63.2 inches) than the Tonale, while width measurements are virtually identical.
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