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BYD Atto 3 vs Mercedes GLA comparison

Compare performance (449 HP vs 421 HP), boot space and price (38,600 £ vs 38,800 £ ) at a glance. Find out which car is the better choice for you – BYD Atto 3 or Mercedes GLA?

BYD Atto 3 vs Mercedes GLA: Key differences

BYD Atto 3

4.5 (4 Reviews)
rate
  • very slightly cheaper
  • only slightly more power
  • substantially more electric range
  • a bit quicker 0–100 km/h
  • somewhat more trunk space
details

Mercedes GLA

4.5 (4 Reviews)
rate
  • slightly lighter
details

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

Atto 3

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

BYD Atto 3 is very slightly cheaper – starting at 38,600 £ , while the Mercedes GLA costs 38,800 £ . That’s a price difference of around 274 £.

As for electric range, the BYD Atto 3 offers substantially more range – reaching up to 510 km, about 436 km more than the Mercedes GLA.

GLA

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the BYD Atto 3 offers only slightly more power – delivering 449 HP compared to 421 HP. That’s roughly 28 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Atto 3 is a bit quicker – completing the sprint in 3.9 s, while the Mercedes GLA takes 4.3 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the BYD Atto 3 delivers somewhat more torque with 560 Nm compared to 500 Nm. That’s about 60 Nm more.

Atto 3

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 GLA is slightly lighter – 1,570 kg compared to 1,880 kg. The difference is around 310 kg.

Looking at boot space, the BYD Atto 3 offers somewhat more boot space – 490 L compared to 435 L. That’s a difference of about 55 L.

When it comes to payload, the BYD Atto 3 carries only slightly more – 530 kg compared to 500 kg. That’s a difference of about 30 kg.

Who wins the race in the data check?

The BYD Atto 3 holds a decisive overall lead 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 £38,600
Atto 3

BYD Atto 3

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 313 - 449 HP
  • Consumption kWh/100km 16.4 - 17.8 kWh/100km
  • Electric Range 470 - 510 km
details

Frequently compared as well

BYD Atto 3
BYD Atto 2
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Choosing between the BYD Atto 3 and BYD Atto 2 comes down to whether you need more range, space and performance or a smaller, more affordable city EV. The Atto 3 delivers stronger power, longer driving range and more interior room, while the Atto 2 focuses on compact dimensions, efficiency and …
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BYD Atto 3
Mercedes GLA

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BYD Atto 3

The BYD Atto 3 is an electric crossover that blends a distinctive, modern design with a comfortable, well-equipped cabin suited to everyday family use. It offers a relaxed, smooth driving feel and practical running costs, making it a sensible choice if you want an uncomplicated, value-focused EV.

details
5F27650C-A457-4BA8-ABBF-B0A381081F50
4CD0D607-8DF0-480E-92A0-FFE2DD0C2A7D
A4BCEC5F-F54A-4C81-8C3B-2C7767DF6D72
E96AFF07-FF39-4455-88FE-E60F4D607FE6
AD877C78-5875-44DA-B1B6-1E99A05AC058

Reviews BYD Atto 3

4.5 (4 Reviews)
rate
BERNARD
17 Apr 2026, 12:36:55

It seems to better meet my expectations when it comes to fuel economy and overall efficiency.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

Mercedes GLA

The Mercedes GLA is a compact luxury crossover that brings Mercedes-Benz's refined design and premium cabin materials into a practical, city-friendly package. It combines comfortable ride quality and intuitive tech with poised handling, making it a confident choice for everyday driving and longer journeys.

details
20C0047_067
20C0047_071
20C0047_104
20C0047_115

Reviews Mercedes GLA

4.5 (4 Reviews)
rate
Lucien
1 May 2026, 07:12:24

GLA 180 petrol. Ideal for city and highway. Very smooth and quiet. The automatic gearbox is a delight. Average consumption 6.2 L/100 km. Special edition 180 Cyber Edition, leather seats....

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Gutter
24 Feb 2026, 21:53:27

Super nimble, very impressive power from this 1,300cc mild‑hybrid engine — in town, on the road and on the motorway for this 2025 GLA 180 Style AMG... premium interior!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Serge
16 Jan 2026, 16:09:11

You have to compare like with like — the GLA should be compared to the Q3, not the Q2 as in your study!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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BYD Atto 3
Mercedes GLA

Costs and Consumption
Price
38,600 - 43,700 £
Price
38,800 - 75,300 £
Consumption L/100km
-
Consumption L/100km
2.9 - 9.5 L/100km
Consumption kWh/100km
16.4 - 17.8 kWh/100km
Consumption kWh/100km
-
Electric Range
470 - 510 km
Electric Range
74 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
66 - 216 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,880 - 1,990 kg
Curb weight
1,570 - 1,810 kg
Trunk capacity
490 L
Trunk capacity
385 - 435 L
Length
-
Length
-
Width
1,875 mm
Width
1,834 - 1,849 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
530 kg
Payload
480 - 500 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
313 - 449 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
3.9 - 5.5 s
Acceleration 0-100km/h
4.3 - 11 s
Max Speed
-
Max Speed
-
Torque
380 - 560 Nm
Torque
230 - 500 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
230 - 330 kW
Power kW
85 - 310 kW
Engine capacity
-
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
E, F, B, G
Brand
BYD
Brand
Mercedes-Benz
Is the BYD Atto 3 offered with different drivetrains?

The BYD Atto 3 is offered with Rear-Wheel Drive or All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.