2026 Mercedes-Benz GLA vs 2025 vs 2024: Key Differences

Meta: Compare the 2026, 2025, and 2024 Mercedes-Benz GLA. See key differences in design, features, performance, and tech updates

The Mercedes-Benz GLA has established itself as a formidable contender in the compact luxury SUV segment. With each new model year, Mercedes-Benz introduces refinements and upgrades to keep this compact SUV competitive and appealing. Let’s look at the key differences between the Mercedes-Benz GLA models, focusing on design changes, performance enhancements, technological updates, and feature additions.

Overview of Mercedes-Benz GLA Evolution

The GLA represents the Mercedes-Benz entry point into the luxury compact SUV market. While maintaining its distinctive characteristics across model years, each iteration brings subtle yet significant improvements. This luxury SUV has undergone several updates to its powertrain, technology, and design to enhance the driver experience, comfort, and functionality.

Design and Exterior Updates

2026 GLA Exterior Design

The Mercedes-Benz GLA showcases the latest evolution of the model’s exterior design language. Key exterior features include:

• Refreshed front fascia with a more prominent grille design
• Updated LED headlights with new signature daytime running lights
• Wheel options ranging from 18 to 20 inches
• Available AMG Line with Night Package featuring black accents and chrome grille
• Standard Panoramic sunroof across all trim levels
• Height of 1616 mm, slightly taller than previous model years
• Length of 4412 mm, maintaining its compact footprint

2025 GLA Design Changes

The exterior maintains many elements from the previous generation but offers some distinct features:

• 18-inch alloy wheels standard on the GLA 250 4MATIC
• Available dual moonroof
• Slightly lower height at 1611 mm compared to the new model
• Similar width (1834 mm) and length (4410 mm) dimensions
• Performance tires standard on both front and rear

Design Progression from 2024

The newer iterations showcase the Mercedes-Benz commitment to evolving the appearance while maintaining its compact SUV proportions. The changes are subtle but contribute to a more modern and assertive appearance with each passing year.

Performance and Powertrain

2026 GLA Engine and Performance

The new model comes with significant powertrain enhancements:

• 2.0L turbocharged four-cylinder engine with 48-volt mild hybrid technology
• Power output of 221 horsepower and 258 lb-ft of torque in the GLA 250
• Electric motor capable of adding 13 hp of boost when needed
• AMG GLA 35 variant delivering 302 horsepower for performance enthusiasts
• Improved 8-speed dual-clutch automatic transmission for smoother shifts
• Available in both front-wheel drive and 4MATIC all-wheel drive configurations
• Enhanced DYNAMIC SELECT with multiple driving modes

2025 GLA Performance Specifications

This model features:

• Similar 2.0L turbocharged four-cylinder hybrid powertrain
• 221 horsepower at 5500 rpm and 258 lb-ft of torque at 1800 rpm
• 8-speed automatic transmission
• Standard 4MATIC all-wheel drive in Canadian market models
• Fuel efficiency ratings of 9.4 L/100 km city and 7.1 L/100 km highway
• 0.90-kWh battery for the mild hybrid system

Powertrain Evolution

The progression shows the Mercedes-Benz focus on refining the powertrain for better efficiency and performance. The integration of the 48-volt mild-hybrid system across the lineup represents the brand’s commitment to electrification while maintaining the performance expected of a Mercedes-Benz vehicle.

Interior and Comfort Features

2026 GLA Interior Enhancements

The new interior represents the pinnacle of the model’s evolution with:

• Dual 10.25-inch screens under a single piece of glass
• Updated MBUX infotainment system with enhanced voice control
• Standard 64-colour ambient lighting
• Power front seats with memory and heating
• Dual-zone climate control with improved filtration
• Premium synthetic upholstery standard across the lineup
• 40/20/40 split-folding rear seats for improved versatility
• Hands-free power tailgate

2025 GLA Interior Features

This model offered:

• Similar dual 10.25-inch screens for instrumentation and infotainment
• Wireless Apple CarPlay and Android Auto integration
• Comfortable and supportive seats
• Premium materials throughout the cabin
• Available woodgrain interior trim options
• Generous front-seat legroom

Interior Progression

The interior evolution demonstrates an attention to user experience and comfort. Each model year has brought improvements to the infotainment system, seating comfort, and overall cabin ambiance, elevating the premium feel.

Technology and Connectivity

2026 GLA Tech Advancements

The new model features the most advanced technology package:

• Latest generation MBUX system with more intuitive voice commands
• Enhanced “Hey Mercedes” functionality that learns user preferences
• Standard wireless charging
• Multiple touch interfaces for controlling vehicle functions
• Mercedes-Benz Digital Extras for remote vehicle monitoring and control
• Available Burmester surround sound system with 12 speakers
• More sophisticated driver assistance features

2025 GLA Technology Features

This model offered:

• MBUX infotainment system with wireless Apple CarPlay and Android Auto
• Customizable instrumentation display
• Available Burmester sound system in AMG models
• Multiple control methods, including touchscreen, trackpad, and steering wheel controls
• Voice command functionality

Technology Evolution

The technological progression across model years reflects the Mercedes-Benz commitment to keeping the GLA at the forefront of in-car technology. The enhancements to the MBUX system and connectivity features make each successive model year more intuitive and convenient to operate.

Safety and Driver Assistance

2026 GLA Safety Features

The new model comes equipped with an impressive array of safety features:

• Standard Blind Spot Assist with Exit Warning
• Advanced driver assistance systems available as options
• Enhanced adaptive cruise control capabilities
• Improved lane-keeping assistance
• 7 airbags, including knee, front, side, and curtain airbags
• Driver monitoring system

2025 GLA Safety Systems

This model included:

• Similar 7-airbag configuration
• Standard anti-collision system
• Hill start assist
• Tire pressure monitoring
• LED headlights with auto high beam functionality
• Radar and camera-based parking assistance

Safety Enhancement Progression

Safety has been a consistent focus for Mercedes-Benz, with each model year bringing refinements to existing systems and introducing new technologies. The evolution shows the brand’s commitment to occupant protection and accident prevention.

Cargo Space and Practicality

2026 GLA Utility Features

The new GLA maintains practical aspects with:

• 435 L of cargo space behind the rear seats
• Expandable to 1430 L with rear seats folded
• Hands-free power tailgate standard
• 40/20/40 split rear seats for flexible cargo configurations
• Towing capacity of 460 kg

2025 GLA Cargo Capacity

This model offered similar utility:

• 435 L trunk capacity
• Maximum cargo space of 1430 L with seats folded
• Same 460 kg towing capacity
• Flexible seating arrangements

Practical Considerations

Throughout the model years, the GLA has maintained its focus on maximizing utility within its compact dimensions. The consistent cargo capacity across model years demonstrates a commitment to practicality, even in its luxury vehicles.

Trim Levels and Options

2026 GLA Trim Structure

The new model is available in two main trim levels:

• GLA 250 (available with front-wheel drive or 4MATIC all-wheel drive)
• AMG GLA 35 4MATIC with performance enhancements

Additional packages include:

• AMG Line with Night Package
• Night of Sound Edition with enhanced audio and appearance elements

2025 GLA Configurations

This model was offered in:

• GLA 250 4MATIC as the base model for the Canadian market
• AMG GLA 35 4MATIC as the performance-oriented variant

Trim Evolution

The trim structure has remained relatively consistent across model years, with Mercedes-Benz offering a standard model and an AMG performance variant. The availability of packages and options has expanded with each model year, enabling greater personalization.

Off-Road Capability

2026 GLA Off-Road Features

The new model with 4MATIC offers enhanced off-road capabilities:

• Variable-torque 4MATIC system that can distribute power based on real-time grip
• Available off-road engineering package
• Increased ground clearance compared to sedan counterparts
• DYNAMIC SELECT with off-road mode

2025 GLA All-Terrain Abilities

This model included:

• Standard 4MATIC all-wheel drive on Canadian models
• Brake-actuated limited-slip differential
• Similar ground clearance and approach angles

Off-Road Progression

While not designed as a hardcore off-roader, the all-wheel-drive system and ground clearance have improved over the model years to provide adequate capability for light off-road excursions and inclement weather conditions.

Which GLA Model Year Offers the Best Value?

Each model year of the Mercedes-Benz GLA brings its own strengths to the table. The early model established a solid foundation with its combination of luxury, technology, and compact utility. Last year’s model refined these elements with updated infotainment features and interior enhancements.

The new model represents the most advanced iteration with improved hybrid technology, more sophisticated driver-assistance features, and the latest version of the MBUX infotainment system. For tech enthusiasts and those seeking the most refined driving experience, the new model offers compelling advantages.

Ultimately, the best choice depends on individual priorities regarding technology, performance, and value. What remains consistent across all model years is the ability of this luxury SUV to deliver a premium Mercedes-Benz experience in a compact, versatile package that continues to evolve with each successive generation.

*Disclaimer: Content contained in this post is for informational purposes only and may include features and options from US or international models. Please contact the dealership for more information or to confirm vehicle, feature availability.*