2025 Kia Sorento vs 2026 Mercedes-Benz GLB
Comparison Overview
The most significant numerical divergence between the 2025 Kia Sorento (car1) and the 2026 Mercedes-Benz GLB (car2) is the Manufacturer's Suggested Retail Price (MSRP), where the GLB commands a premium of $11,810, starting at $43,800 compared to the Sorento's $31,990 entry point. Performance metrics favor the Mercedes, offering 221 horsepower and 258 lb-ft of torque versus the Sorento's 191 hp and 181 lb-ft. Conversely, the Sorento achieves a slightly lower combined fuel economy at 26 MPG compared to the GLB's 28 MPG, though the Kia uses regular unleaded while the Mercedes mandates premium fuel. The GLB provides a substantial cargo advantage, boasting 22 cubic feet behind the second row, more than the Sorento's 12.6 cu ft. Despite being nearly 7 inches shorter in length (182.4 inches vs. 189.6 inches), the GLB offers superior utility and power.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2026 Mercedes-Benz GLB
The Mercedes-Benz GLB offers a 2 MPG advantage in combined fuel economy (28 MPG) and requires a smaller overall footprint at 182.4 inches long.
2026 Mercedes-Benz GLB
The 2026 Mercedes-Benz GLB offers 22 cubic feet of cargo capacity, significantly exceeding the Kia Sorento's 12.6 cubic feet.
2026 Mercedes-Benz GLB
The GLB provides 30 more horsepower (221 hp vs. 191 hp) and 77 lb-ft more torque (258 lb-ft vs. 181 lb-ft).
2025 Kia Sorento
The Kia Sorento's starting MSRP of $31,990 is $11,810 less than the GLB, offering substantially lower entry cost.
Choose the Kia Sorento if...
- Budget constraints necessitate a starting MSRP of only $31,990.
- You prioritize running costs by using regular unleaded fuel instead of premium.
- A longer exterior length of 189.6 inches is preferred for perceived road presence.
Choose the Mercedes-Benz GLB if...
- Maximum utility is required, evidenced by the 22 cu ft cargo capacity.
- Higher performance figures, specifically 221 horsepower, are mandatory.
- You prefer the efficiency of the slightly better 28 MPG combined rating.
Key Dimensions
| Dimension | Kia Sorento | Mercedes-Benz GLB |
|---|---|---|
| Length | 189.6" | 182.4" |
| Width | 74.8" | 72.2" |
| Height | 66.7" | 66.7" |
| Wheelbase | 110.8" | 111.4" |
Features Comparison
Safety
| Feature | Kia | Mercedes-Benz |
|---|---|---|
| Blind Spot Monitor | ✓ | ✓ |
| Lane Departure Warning | ✓ | — |
| Lane Keeping Assist System | ✓ | — |
| Rear Cross Traffic Alert | ✓ | — |
| Driver Attention Alert | ✓ | ✓ |
| Pre-Collision Safety System | ✓ | ✓ |
| Post-Collision Safety System | ✓ | ✓ |
| Dual Front Side-Mounted Airbags | ✓ | ✓ |
| Dual Rear Side-Mounted Airbags | ✓ | — |
| Front Head Airbags | ✓ | ✓ |
| Rear Head Airbags | ✓ | ✓ |
| Third Row 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 Solid Disc Brakes | ✓ | ✓ |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| LED Headlights | ✓ | ✓ |
| Daytime Running 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 | ✓ | ✓ |
| Brake Drying | — | ✓ |
| Brake Preparation System | — | ✓ |
| Headlight Delay-Off | — | ✓ |
| Front Fog Lights | — | ✓ |
Engine
| Feature | Kia | Mercedes-Benz |
|---|---|---|
| Base Engine Displacement | 2.5 L | 2.0 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | gas | mild hybrid |
| Horsepower | 191 hp @ 6100 rpm | 221 hp @ 5500 rpm |
| Torque | 181 lb-ft @ 4000 rpm | 258 lb-ft @ 1800 rpm |
| Number of Valves | 16 | 16 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
Drive Train
| Feature | Kia | Mercedes-Benz |
|---|---|---|
| Transmission Type | 8-speed automatic | 8-speed automated manual |
| Drivetrain Type | front wheel drive | front wheel drive |
| Hill Descent Control | ✓ | — |
Fuel
| Feature | Kia | Mercedes-Benz |
|---|---|---|
| Fuel Type | regular unleaded | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 23/31 MPG | 25/33 MPG |
| EPA Fuel Economy (Combined) | 26 MPG | 28 MPG |
| EPA Driving Range (City/Highway) | 407.1/548.7 mi. | 397.5/524.7 mi. |
| Fuel Tank Capacity | 17.7 gal. | 15.9 gal. |
Comfort & Convenience
| Feature | Kia | 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 | ✓ | ✓ |
| Adaptive Cruise Control | ✓ | — |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | ✓ |
| 3rd Row Cupholders | ✓ | — |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | ✓ |
| Front Seatback Storage | ✓ | ✓ |
| Manual Rear Seat Easy Entry | ✓ | — |
| Single Zone Climate Control | ✓ | — |
| Rear Ventilation Ducts | ✓ | ✓ |
| Extended Cabin Heating/Cooling | ✓ | — |
| Dual Vanity Mirrors | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Transmission Controls on Steering Wheel | — | ✓ |
| Front Parking Sensors | — | ✓ |
| Rear Parking Sensors | — | ✓ |
| Driver Assisted Parking Assist | — | ✓ |
| Cruise Control | — | ✓ |
| Overhead Console with Storage | — | ✓ |
| Leather Steering Wheel | — | ✓ |
| Dual Zone Climate Control | — | ✓ |
| Interior Air Filtration | — | ✓ |
| Auto-Dimming Rearview Mirror | — | ✓ |
In Car Entertainment
| Feature | Kia | Mercedes-Benz |
|---|---|---|
| Infotainment Display | 12.3 in | 10.25 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 6 | — |
| Android Auto (Wireless) | ✓ | ✓ |
| Apple CarPlay (Wireless) | ✓ | ✓ |
| USB Port | ✓ | ✓ |
| Auxiliary Audio Input | ✓ | — |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 months | 6 months |
Power Feature
| Feature | Kia | Mercedes-Benz |
|---|---|---|
| One-Touch Power Windows | 1 | 4 |
| Keyless Entry | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Remote Keyless Entry | — | ✓ |
Frontseats
| Feature | Kia | Mercedes-Benz |
|---|---|---|
| Front Head Room | 40.3 in. | 40.7 in. |
| Front Leg Room | 41.4 in. | 41.1 in. |
| Front Shoulder Room | 59.1 in. | 55.9 in. |
| Front Hip Room | 55.6 in. | — |
| Seat Material: Cloth | ✓ | — |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Manual Adjustments | 6-way | — |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Manual Adjustments | 4-way | — |
| Seat Material: Leatherette | — | ✓ |
| Driver Seat Power Adjustments | — | 8-way |
| Driver Seat Lumbar Support | — | Power |
| Driver Seat Thigh Extension | — | ✓ |
| Driver Seat Memory Settings | — | 3 |
| Passenger Seat Power Adjustments | — | 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 |
| Passenger Seat Heating | — | Multi-level |
Rearseats
| Feature | Kia | Mercedes-Benz |
|---|---|---|
| Rear Head Room | 39.1 in. | 39.3 in. |
| Rear Leg Room | 41.7 in. | 38.1 in. |
| Rear Shoulder Room | 58.1 in. | 54.9 in. |
| Rear Hip Room | 55.1 in. | — |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Reclining Rear Seats | ✓ | ✓ |
| Folding Center Armrest | ✓ | ✓ |
| Manual Folding Third Row Seat | ✓ | — |
Tires and Wheels
| Feature | Kia | Mercedes-Benz |
|---|---|---|
| Wheel Material | Alloy | Alloy |
| Wheel Size | 17 x 7.0 in | 18 x 7.5 in |
| Tire Type | All Season | — |
| Tire Size | 235/65R17 | 235/55R18 |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Inside Mounted | — |
| Run Flat Tires | — | ✓ |
Suspension
| Feature | Kia | Mercedes-Benz |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Kia | Mercedes-Benz |
|---|---|---|
| Basic Warranty | 5 yr./ 60000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 10 yr./ 100000 mi. | 4 yr./ 50000 mi. |
| Corrosion/Rust Warranty | 5 yr./ 100000 mi. | 4 yr./ 50000 mi. |
| Roadside Assistance | 5 yr./ 60000 mi. | 4 yr./ 50000 mi. |
| Hybrid Component Warranty | — | 6 yr./ 62000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Kia Sorento and 2026 Mercedes-Benz GLB.
How does the required fuel type impact the running costs between the two crossovers?
The 2025 Kia Sorento utilizes regular unleaded fuel, keeping typical refueling costs lower. The 2026 Mercedes-Benz GLB requires premium unleaded, which usually costs $0.30 to $0.60 more per gallon, offsetting some of its MPG advantage.
What is the size difference in horsepower and torque between the two models?
The Mercedes-Benz GLB outputs 221 horsepower, which is 30 hp more than the Kia Sorento's 191 hp. The torque difference is even greater, with the GLB delivering 258 lb-ft compared to the Sorento's 181 lb-ft.
Which vehicle offers significantly more usable storage space?
The 2026 Mercedes-Benz GLB offers 22 cubic feet of cargo capacity, providing nearly 10 cubic feet more room than the Kia Sorento's 12.6 cubic feet in the base configuration.
Is there a notable difference in exterior dimensions?
Yes, the Kia Sorento is 189.6 inches long, making it 7.2 inches longer than the GLB's 182.4 inches, though both share the same height of 66.7 inches.
How do the MSRPs compare for entry-level buyers?
The Kia Sorento starts at $31,990, representing a significant $11,810 savings over the Mercedes-Benz GLB's $43,800 starting price.
Do the transmissions operate similarly?
No, the Sorento uses a traditional 8-speed automatic transmission, whereas the GLB employs an 8-speed automated manual, which can alter shift feel and responsiveness.
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