Mercedes-Benz GLA-Class vs Mercedes-Benz GLB-Class Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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User Ranking Drivers and owners ranked these cars in 9 categories.

New Car Pricing New listing price comparison and analysis.

2021 Mercedes-Benz GLA-Class
GLA 250 4MATIC AWD
MSRP
$38,230
Invoice
$35,936
Average Price Paid
$38,230
154 listings nationwide

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2021 Mercedes-Benz GLB-Class
AMG GLB 35 4MATIC AWD
MSRP
$49,500
Invoice
$46,530
Average Price Paid
$48,765
30 listings nationwide

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Pricing Analysis Price analysis based on recent sales data applied to current trim without options.

2021 Mercedes-Benz GLA-Class
GLA 250 4MATIC AWD
Fair Price
$38,666
Good Price
$37,128
Great Price
$36,249
2021 Mercedes-Benz GLB-Class
AMG GLB 35 4MATIC AWD
Fair Price
$49,632
Good Price
$47,877
Great Price
$46,873

Used Car Pricing Used listing price comparison and analysis.

2021 Mercedes-Benz GLA-Class
GLA 250 4MATIC AWD
CarGurus Instant Market Value
$44,916
121 listings nationwide
11 GREAT deals
28 GOOD deals

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2021 Mercedes-Benz GLB-Class
AMG GLB 35 4MATIC AWD
CarGurus Instant Market Value
$61,007
21 listings nationwide
3 GREAT deals
4 GOOD deals

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Expert Reviews Reviews from CarGurus experts.

2021 Mercedes-Benz GLA-Class
GLA 250 4MATIC AWD
Cherise Threewitt Test Drive Review:

The 2021 Mercedes-Benz GLA delivers on all thing things a subcompact SUV is supposed to do. It’s cute, compact (but not cramped), and easily maneuverable. The new, eighth-generation GL...

2021 Mercedes-Benz GLB-Class
AMG GLB 35 4MATIC AWD
Stephen Edelstein Test Drive Review:

With an approachable starting price and a flexible interior layout, the compact 2021 Mercedes-Benz GLB-Class makes its mark by offering an optional ($850) third row of seating, bringin...

No Data Available
  • Look and Feel 7
  • Performance 8
  • Form & Function 8
  • Technology 9
  • Safety 7
  • Cost-Effectiveness 6
No Data Available
  • Look and Feel 8
  • Performance 7
  • Form & Function 8
  • Technology 8
  • Safety 8
  • Cost-Effectiveness 9

User Reviews Reviews from CarGurus users who have driven or owned the car.

2021 Mercedes-Benz GLA-Class
GLA 250 4MATIC AWD
No User Reviews
2021 Mercedes-Benz GLB-Class
AMG GLB 35 4MATIC AWD
10
Guru94WCXG writes:
Best SUV ever.
Family Car Ranked 2020 Mercedes-Benz GLC-Class GLC 300 RWD worse.
"NEW MFA2 platform and practicality."

Specs

2021 Mercedes-Benz GLA-Class
GLA 250 4MATIC AWD
2021 Mercedes-Benz GLB-Class
AMG GLB 35 4MATIC AWD
Powertrain 8-Speed Dual Clutch 8-Speed Dual Clutch
Drivetrain
AWD
AWD
Fuel Economy, City
24 MPG
21 MPG
Fuel Economy, Highway
33 MPG
26 MPG
Fuel Tank Volume 12.7 gal 15.9 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
221 hp @ 5,500 RPM
302 hp @ 5,800 RPM
Torque
258 lb-ft @ 1,800 RPM
295 lb-ft @ 3,000 RPM
Cylinders
4 cylinders
4 cylinders
Compression Ratio
10.5:1
10:1
Displacement
2,000 cc
2,000 cc
Bore x Stroke
3.27 in x 3.62 in
3.27 in x 3.62 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard Standard
Curtain Airbags Standard Standard
NHTSA Crash Test Results
Comfort and Convenience
Air Conditioning Standard Standard
CD Player Standard --
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard Standard
Passenger Power Seats Standard Standard
Interior
Maximum Seating 5 seats 7 seats
Front Legroom 41 in 41.1 in
Back Legroom 38 in 38.1 in
Payload and Towing
Cargo Volume 19 cu ft 22 cu ft
Exterior
Length 173.6 in 183.1 in
Width 79.5 in 79.5 in
Height 63.5 in 65.4 in
Wheelbase 107.4 in 111.4 in

Available Options

2021 Mercedes-Benz GLA-Class
GLA 250 4MATIC AWD

Exterior Colors

  • Cosmos Black Metallic
  • Denim Blue Metallic
  • Digital White Metallic
  • Iridium Silver Metallic
  • MANUFAKTUR Patagonia Red
  • Mountain Grey Metallic
  • Night Black
  • Polar White
  • Rose Gold Metallic

Option Packages

  • AMG Line Exterior
  • BURMESTER Surround Sound System
  • Driver Assistance Package
  • Driver Assistance Package Lite
  • Exterior Lighting Package
  • Heads Up Display
  • Keyless Go
  • Multimedia Package
  • Parking Assistance Package
  • Premium Package
  • Suspension W/Adaptive Damping System
  • Rear Side Airbags
  • Bahia Brown, Leather Upholstery
  • Black, Leather Upholstery
  • Heated & Ventilated Front Seats
  • Multicontour Seats
  • Heated Front Seats
  • Panorama Roof
  • Wheels: 19" 10-Spoke W/Matte Black Accents
  • Wheels: 20" AMG Multi-Spoke
  • Wheels: 20" AMG Multi-Spoke Black
2021 Mercedes-Benz GLB-Class
AMG GLB 35 4MATIC AWD

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