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BMW 3 Series vs Mercedes-Benz GLA - Differences and prices compared

Compare performance (386 HP vs 302 HP), trunk space and price (45,600 $ vs 43,000 $ ) at a glance. See which model fits your needs and budget better – BMW 3 Series or Mercedes-Benz GLA?

BMW 3 Series vs Mercedes-Benz GLA: Key differences

BMW 3 Series

  • noticeably more power
  • moderately more efficient
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Mercedes-Benz GLA

  • barely cheaper
  • only slightly lighter
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Here’s where it gets real: The technical differences in detail

3 Series

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mercedes-Benz GLA is barely cheaper – starting at 43,000 $ , while the BMW 3 Series costs 45,600 $ . That’s a price difference of around 2,600 $.

When it comes to city fuel economy, the BMW 3 Series performs moderately better – achieving 28 mpg, compared to 25 mpg for the Mercedes-Benz GLA. That’s a difference of about 3 mpg.

GLA

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the BMW 3 Series offers noticeably more power – delivering 386 HP compared to 302 HP. That’s roughly 84 HP more horsepower.

There’s also a difference in torque: the BMW 3 Series delivers markedly more torque with 398 lb-ft compared to 295 lb-ft. That’s about 103 lb-ft more.

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes-Benz GLA is only slightly lighter – 3,450 lbs compared to 3,644 lbs. The difference is around 194 lbs.

Who wins the race in the data check?

The BMW 3 Series is decisively ahead in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from $45,600
3 Series

BMW 3 Series

  • Engine Type : , Plug-In Hybrid
  • Transmission : Automatic
  • Drive Type : Rear Wheel, All Wheel
  • Power HP : 255 - 386 HP
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View detailed analysis

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BMW 3 Series

The BMW 3 Series continues to set the standard in the compact executive class with its blend of dynamic performance, sophisticated design, and cutting-edge technology. Whether navigating city streets or cruising on the highway, this model offers a comfortable ride without compromising on the driving excitement BMW is known for. Inside, the high-quality materials and intuitive infotainment system make every journey as enjoyable as it is efficient.

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Mercedes-Benz GLA

The Mercedes-Benz GLA offers a stylish blend of compact design and luxury, making it a standout choice for urban drivers who crave sophistication. Its interior boasts high-quality materials and advanced technology, providing a seamless driving experience filled with comfort and innovation. With its sporty handling and modern aesthetic, the GLA perfectly balances practicality and elegance, appealing to those who appreciate both performance and class.

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BMW 3 Series
Mercedes-Benz GLA

Costs and Consumption
Price
45,600 - 62,200 $
Price
43,000 - 58,100 $
FuelEconomy City
26 - 28 mpg
FuelEconomy City
22 - 25 mpg
FuelEconomy Hwy
33 - 35 MPG
FuelEconomy Hwy
28 - 34 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
10.6 - 15.6 gal
Fuel tank capacity
13.5 gal

Dimensions and Body
Body Type
Sedan
Body Type
SUV, 4MATIC
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
3,644 - 4,138 lbs
Curb weight
3,450 - 3,653 lbs
Trunk Volume
13.2 - 16.9 cu. ft.
Trunk Volume
-
Length
185.7 - 185.9 in.
Length
173.6 - 174.6 in.
Width
71.9 in.
Width
72.2 - 72.8 in.
Height
56 - 57 in.
Height
62 - 63 in.

Engine and Performance
Engine Type
, Plug-In Hybrid
Engine Type
Transmission
Automatic
Transmission
Automatic
Drive Type
Rear Wheel, All Wheel
Drive Type
Front Wheel, All Wheel
Power HP
255 - 386 HP
Power HP
221 - 302 HP
Torque
295 - 398 lb-ft
Torque
258 - 295 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
2 - 3 L
Engine Displacement
2 L
Gears
-
Gears
-

General
Model Year
2,024 - 2,025
Model Year
2025
Brand
BMW
Brand
Mercedes-Benz
What is the starting MSRP for the BMW 3 Series?

The BMW 3 Series starts at 45,600 $.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. Prices shown are manufacturer suggested retail prices (MSRP). Taxes, registration fees and dealer charges are not included.