2026 Mercedes-Benz GLA vs 2026 Subaru Ascent
Comparison Overview
Deciding between compact luxury and practical spaciousness is tough when comparing the 2026 Mercedes-Benz GLA and the 2026 Subaru Ascent. If you prioritize running costs and city ease, the GLA ($41,500 MSRP) impresses with a 29 MPG combined rating, significantly better than the Ascent's 22 MPG combined. However, the Ascent offers substantially more room and power; its 260 hp easily surpasses the GLA's 221 hp, while providing 17.8 cu ft of cargo space versus the GLA's smaller 15.4 cu ft. The GLA demands premium fuel, which adds to its operating cost, whereas the Ascent runs happily on regular unleaded. While the GLA is shorter at 173.6 inches, the larger Ascent's 76.0-inch width offers bulkier road presence but poorer maneuverability for tight urban parking spots, creating a clear split in priorities between efficiency/premium feel and sheer utility.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2026 Mercedes-Benz GLA
The 2026 Mercedes-Benz GLA wins for commuters due to its superior 29 MPG combined fuel economy.
2026 Subaru Ascent
The 2026 Subaru Ascent is the family pick because it is significantly larger, offering 17.8 cu ft of cargo capacity compared to the GLA's 15.4 cu ft.
2026 Subaru Ascent
Enthusiasts will prefer the Ascent's higher power output of 260 hp and standard All-Wheel Drive capability.
2026 Subaru Ascent
The Subaru Ascent offers more power, more space, and uses cheaper regular unleaded fuel for only a slightly lower initial MSRP.
Choose the Mercedes-Benz GLA if...
- You consistently drive in heavy traffic and want to maximize fuel efficiency, netting 29 MPG combined.
- You prefer a more compact vehicle (173.6 inches long) that is easier to squeeze into tight city parking spots.
- You desire a premium badge experience and require an 8-speed automated manual transmission.
Choose the Subaru Ascent if...
- You frequently haul gear or need space for larger families, benefiting from 17.8 cu ft of cargo capacity.
- You prioritize maximum performance from the available 260 hp and standard All-Wheel Drive traction.
- You want to save on running costs by avoiding the GLA's requirement for premium unleaded fuel.
Key Dimensions
| Dimension | Mercedes-Benz GLA | Subaru Ascent |
|---|---|---|
| Length | 173.6" | 196.8" |
| Width | 72.2" | 76.0" |
| Height | 63.5" | 71.6" |
| Wheelbase | 107.4" | 113.8" |
Features Comparison
Safety
| Feature | Mercedes-Benz | Subaru |
|---|---|---|
| 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 | 2 |
| 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 | — | ✓ |
| Adaptive Headlights | — | ✓ |
| Self-Leveling Headlights | — | ✓ |
Engine
| Feature | Mercedes-Benz | Subaru |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.4 L |
| Number of Cylinders | inline 4 | flat 4 |
| Base Engine Type | mild hybrid | gas |
| Horsepower | 221 hp @ 5500 rpm | 260 hp @ 5600 rpm |
| Torque | 258 lb-ft @ 1800 rpm | 277 lb-ft @ 2000 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 | Subaru |
|---|---|---|
| Transmission Type | 8-speed automated manual | continuously variable-speed automatic |
| Drivetrain Type | front wheel drive | all wheel drive |
| Center Differential Type | — | Limited Slip |
| Hill Descent Control | — | ✓ |
Fuel
| Feature | Mercedes-Benz | Subaru |
|---|---|---|
| Fuel Type | premium unleaded (required) | regular unleaded |
| EPA Fuel Economy (City/Highway) | 26/34 MPG | 20/26 MPG |
| EPA Fuel Economy (Combined) | 29 MPG | 22 MPG |
| EPA Driving Range (City/Highway) | 351.0/459.0 mi. | 386.0/501.8 mi. |
| Fuel Tank Capacity | 13.5 gal. | 19.3 gal. |
Comfort & Convenience
| Feature | Mercedes-Benz | Subaru |
|---|---|---|
| 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 | ✓ | — |
| Cruise Control | ✓ | — |
| 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 | — | ✓ |
| Universal Remote Transmitter | — | ✓ |
| 3rd Row Cupholders | — | ✓ |
| Overhead Console with Storage | — | ✓ |
| Three Zone Climate Control | — | ✓ |
In Car Entertainment
| Feature | Mercedes-Benz | Subaru |
|---|---|---|
| Infotainment Display | 10.25 in | 11.6 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 | — | 6 |
| Auxiliary Audio Input | — | ✓ |
| Satellite Radio Trial Length | — | 4 months |
Power Feature
| Feature | Mercedes-Benz | Subaru |
|---|---|---|
| One-Touch Power Windows | 4 | 2 |
| Remote Keyless Entry | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Keyless Entry | — | ✓ |
Frontseats
| Feature | Mercedes-Benz | Subaru |
|---|---|---|
| Front Head Room | 39.0 in. | 41.2 in. |
| Front Leg Room | 41.0 in. | 42.2 in. |
| Front Shoulder Room | 55.9 in. | 61.1 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 | — |
| 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 | — | 57.8 in. |
| Passenger Seat Manual Adjustments | — | 4-way |
| Driver Seat Heating | — | Multi-level |
| Passenger Seat Heating | — | Multi-level |
Rearseats
| Feature | Mercedes-Benz | Subaru |
|---|---|---|
| Rear Head Room | 38.1 in. | 40.0 in. |
| Rear Leg Room | 38.0 in. | 38.6 in. |
| Rear Shoulder Room | 54.8 in. | 60.3 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Reclining Rear Seats | ✓ | — |
| Folding Center Armrest | ✓ | ✓ |
| Rear Hip Room | — | 57.5 in. |
| Manual Folding Third Row Seat | — | ✓ |
Tires and Wheels
| Feature | Mercedes-Benz | Subaru |
|---|---|---|
| Wheel Material | Alloy | Alloy |
| Wheel Size | 18 x 7.5 in | 18 x 7.5 in |
| Tire Size | 235/55R18 | 245/60R |
| Run Flat Tires | ✓ | — |
| Tire Type | — | All Season |
| Spare Tire Type | — | Temporary |
| Spare Tire Location | — | Underbody Mounted |
Suspension
| Feature | Mercedes-Benz | Subaru |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Mercedes-Benz | Subaru |
|---|---|---|
| Basic Warranty | 4 yr./ 50000 mi. | 3 yr./ 36000 mi. |
| Drivetrain Warranty | 4 yr./ 50000 mi. | 5 yr./ 60000 mi. |
| Hybrid Component Warranty | 6 yr./ 62000 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 2026 Mercedes-Benz GLA and 2026 Subaru Ascent.
Which car is generally cheaper to run day-to-day?
The 2026 Mercedes-Benz GLA will likely be cheaper to run thanks to its significantly better fuel economy, achieving 29 MPG combined versus the Ascent's 22 MPG combined. Furthermore, the GLA requires premium fuel, while the Ascent accepts regular unleaded, which can further reduce immediate fueling expenses.
Is the 2026 Mercedes-Benz GLA powerful enough compared to the Ascent?
The Ascent holds a distinct advantage in power, offering 260 hp and 277 lb-ft of torque, substantially more than the GLA's 221 hp and 258 lb-ft of torque. While the GLA feels nimble for city driving, the Ascent is the stronger performer, especially given its standard AWD.
How much more interior space does the Subaru Ascent offer?
The 2026 Subaru Ascent is physically much larger, leading to more practical space. It provides 17.8 cubic feet of cargo capacity, beating the GLA's 15.4 cubic feet. Additionally, the Ascent is wider (76.0 inches vs. 72.2 inches), suggesting a more spacious cabin feel.
Does the difference in MSRP mean the GLA is better equipped?
The Mercedes-Benz GLA has a slightly higher MSRP of $41,500 compared to the Ascent's $40,795, reflecting its luxury positioning. However, the Ascent includes standard All-Wheel Drive and more horsepower right out of the gate, which suggests better inherent utility value for its price point.
What kind of driving situation is the GLA's FWD better for than the Ascent's AWD?
The GLA's Front Wheel Drive configuration is marginally better suited for maximizing efficiency on dry pavement, contributing to its higher 34 MPG highway rating. The Ascent's standard All-Wheel Drive is geared towards better traction in poor weather or light off-road conditions.
How do the transmissions compare in these two crossovers?
The GLA utilizes an 8-speed automated manual transmission, often providing quicker, more traditional shifts. Conversely, the Ascent uses a continuously variable-speed automatic (CVT), which is engineered primarily for smoother, optimized efficiency across its power band.
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