2025 Mercedes-Benz GLA-Class vs 2026 Kia Sorento

$43,000 · Crossover

$32,190 · Crossover

Comparison Overview

The 2025 Mercedes-Benz GLA-Class enters the arena bringing undeniable prestige and sharper performance, boasting 221 hp and mandatory premium fuel for its dynamic output. Contrast this with the 2026 Kia Sorento, a value champion whose $32,190 MSRP undercuts the Mercedes by a substantial $10,810. While the GLA is slightly more potent with 30 more horsepower, the Sorento offers superior utility with a longer frame at 189.6 inches, albeit with less outright passing power at 191 hp. The GLA compensates with better efficiency, achieving 29 MPG combined versus the Sorento's 26 MPG combined, but requires costly premium fuel. Cargo space sees the Sorento fall behind slightly, offering 12.6 cu ft compared to the GLA's 15.4 cu ft. Ultimately, the comparison hinges on prioritizing refined German engineering against formidable Korean value in the compact crossover segment.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Mercedes-Benz GLA-Class

The Mercedes-Benz GLA-Class delivers better fuel economy at 29 MPG combined compared to the Sorento's 26 MPG combined.

👨‍👩‍👧‍👦 Best for Families

2026 Kia Sorento

The 2026 Kia Sorento is significantly longer at 189.6 inches, suggesting potentially better interior space despite having less listed cargo volume.

🏎️ Best for Enthusiasts

2025 Mercedes-Benz GLA-Class

With 221 hp, the Mercedes-Benz GLA-Class offers notably superior engine output over the Sorento's 191 hp.

💰 Best Value

2026 Kia Sorento

The Kia Sorento undercuts the Mercedes by a massive $10,810 MSRP difference, making it the clear budget winner.

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

You demand a punchier driving experience supported by 221 hp.
You prefer the efficiency gains of 29 MPG combined despite requiring premium fuel.
You desire the prestige and compact dimensions of the 173.6-inch long Mercedes-Benz.

Choose the Kia Sorento if...

Saving over $10,000 on the initial purchase price is your primary concern.
You need the larger external dimensions, as the Sorento measures 189.6 inches long.
You prefer running on regular unleaded fuel rather than the mandated premium fuel for car1.

Key Dimensions

Dimension	Mercedes-Benz GLA-Class	Kia Sorento
Length	173.6"	189.6"
Width	72.2"	74.8"
Height	63.5"	66.7"
Wheelbase	107.4"	110.8"

Features Comparison

Safety

Feature	Mercedes-Benz	Kia
Blind Spot Monitor	✓	✓
Driver Attention Alert	✓	✓
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 Ventilated 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	—	✓
Pre-Collision Safety System	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Third Row Head Airbags	—	✓
Rear Solid Disc Brakes	—	✓

Engine

Feature	Mercedes-Benz	Kia
Base Engine Displacement	2.0 L	2.5 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	mild hybrid	gas
Horsepower	221 hp @ 5500 rpm	191 hp @ 6100 rpm
Torque	258 lb-ft @ 1800 rpm	181 lb-ft @ 4000 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	Mercedes-Benz	Kia
Transmission Type	8-speed automated manual	8-speed automatic
Drivetrain Type	front wheel drive	front wheel drive
Hill Descent Control	—	✓

Fuel

Feature	Mercedes-Benz	Kia
Fuel Type	premium unleaded (required)	regular unleaded
EPA Fuel Economy (City/Highway)	26/34 MPG	23/31 MPG
EPA Fuel Economy (Combined)	29 MPG	26 MPG
EPA Driving Range (City/Highway)	351.0/459.0 mi.	407.1/548.7 mi.
Fuel Tank Capacity	13.5 gal.	17.7 gal.

Comfort & Convenience

Feature	Mercedes-Benz	Kia
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	✓	✓
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	—	✓
3rd Row Cupholders	—	✓
Manual Rear Seat Easy Entry	—	✓
Single Zone Climate Control	—	✓
Extended Cabin Heating/Cooling	—	✓

In Car Entertainment

Feature	Mercedes-Benz	Kia
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	3 months
Speaker System	—	6

Power Feature

Feature	Mercedes-Benz	Kia
One-Touch Power Windows	4	1
Keyless Entry	✓	✓
Heated Mirrors	✓	✓

Frontseats

Feature	Mercedes-Benz	Kia
Front Head Room	39.0 in.	40.3 in.
Front Leg Room	41.0 in.	41.4 in.
Front Shoulder Room	55.9 in.	59.1 in.
Seat Material: Leatherette	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	—
Driver Seat Height Adjustment	✓	✓
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	—
Front Hip Room	—	55.6 in.
Seat Material: Cloth	—	✓
Driver Seat Manual Adjustments	—	6-way
Passenger Seat Manual Adjustments	—	4-way

Rearseats

Feature	Mercedes-Benz	Kia
Rear Head Room	38.1 in.	39.1 in.
Rear Leg Room	38.0 in.	41.7 in.
Rear Shoulder Room	54.8 in.	58.1 in.
Split-Folding Rear Seatback	✓	✓
Reclining Rear Seats	✓	✓
Folding Center Armrest	✓	✓
Rear Hip Room	—	55.1 in.
Manual Folding Third Row Seat	—	✓

Tires and Wheels

Feature	Mercedes-Benz	Kia
Wheel Material	Alloy	Alloy
Wheel Size	18 x 7.5 in	17 x 7.0 in
Tire Size	235/55R18	235/65R17
Run Flat Tires	✓	—
Tire Type	—	All Season
Spare Tire Type	—	Temporary
Spare Tire Location	—	Inside Mounted

Suspension

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

Warranty

Feature	Mercedes-Benz	Kia
Basic Warranty	4 yr./ 50000 mi.	5 yr./ 60000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	10 yr./ 100000 mi.
Corrosion/Rust Warranty	4 yr./ 50000 mi.	5 yr./ 100000 mi.
Roadside Assistance	4 yr./ 50000 mi.	5 yr./ 60000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Mercedes-Benz GLA-Class and 2026 Kia Sorento.

Is the $10,810 price difference between the two crossovers justified by the performance?

Not purely on paper; the GLA-Class offers 30 more horsepower (221 hp vs. 191 hp) and slightly better fuel economy (29 MPG vs. 26 MPG combined). However, the justification often comes down to brand cachet and interior refinement, as the performance gap isn't massive.

How does fuel requirement affect the long-term cost comparison?

The Mercedes GLA requires premium unleaded, which costs more per gallon, significantly eroding its slight MPG advantage over the Sorento's regular unleaded when calculating annual running costs.

Which crossover offers more usable space for bulky items?

Based on the provided figures, the 2025 Mercedes-Benz GLA-Class offers 15.4 cu ft of cargo capacity, which is technically greater than the 2026 Kia Sorento’s 12.6 cu ft.

What is the main difference in physical footprint between these two FWD crossovers?

The Kia Sorento is the physically larger vehicle, measuring 189.6 inches in length compared to the GLA-Class’s 173.6 inches. This size difference impacts maneuverability and interior volume.

Are there significant differences in the transmissions used?

Yes, the GLA uses an 8-speed automated manual, suggesting quicker, potentially sportier shifts, while the Sorento uses a traditional 8-speed automatic transmission, prioritizing smoothness for its price point.