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Mercedes GLA vs BYD Seal 6 comparison

Compare performance (421 HP vs 212 HP), boot space and price (38,800 £ vs 36,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLA or BYD Seal 6?

Mercedes GLA vs BYD Seal 6: Key differences

Mercedes GLA

4.5 (4 Reviews)
rate
  • substantially more power
  • considerably quicker 0–100 km/h
  • only slightly lighter
details

BYD Seal 6

4.7 (2 Reviews)
rate
  • barely cheaper
  • visibly more electric range
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

GLA

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

BYD Seal 6 is barely cheaper – starting at 36,800 £ , while the Mercedes GLA costs 38,800 £ . That’s a price difference of around 1,988 £.

As for electric range, the BYD Seal 6 offers visibly more range – reaching up to 101 km, about 27 km more than the Mercedes GLA.

Seal 6

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 Mercedes GLA offers substantially more power – delivering 421 HP compared to 212 HP. That’s roughly 209 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLA is considerably quicker – completing the sprint in 4.3 s, while the BYD Seal 6 takes 8.5 s. That’s about 4.2 s quicker.

GLA

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes GLA is only slightly lighter – 1,570 kg compared to 1,710 kg. The difference is around 140 kg.

When it comes to payload, the Mercedes GLA carries a bit more – 500 kg compared to 435 kg. That’s a difference of about 65 kg.

Who wins the race in the data check?

The Mercedes GLA is clearly superior overall 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 £38,800
GLA

Mercedes GLA

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel, Petrol
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 421 HP
  • Consumption L/100km : 2.9 - 9.5 L/100km
  • Electric Range : 74 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLA

The Mercedes GLA blends Mercedes style with compact crossover practicality, looking sharper than its size suggests while still feeling purposeful around town. Inside it serves up premium materials and tech-forward ergonomics, and the composed ride makes it an appealing pick for buyers who want luxury wrapped in a city-friendly package with a wink of adventurous spirit.

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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

BYD Seal 6

The BYD Seal 6 is a captivating electric sedan that captures attention with its sleek design and modern aerodynamics. With a strong focus on sustainability, it offers an impressive electric driving experience, combining efficiency with cutting-edge technology. The Seal 6 stands out in the EV market for its luxurious interior and innovative features, making it a strong contender for drivers looking to embrace the future of transportation.

details
BYD_SEAL_6_Touring__021
BYD_SEAL_6_Touring__002
BYD_SEAL_6_Touring__106
BYD_SEAL_6_Touring__125

Reviews BYD Seal 6

4.7 (2 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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BYD Seal 6

Costs and Consumption
Price
38,800 - 75,300 £
Price
36,800 - 42,800 £
Consumption L/100km
2.9 - 9.5 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
7.8 - 11.2 kWh/100km
Electric Range
74 km
Electric Range
54 - 101 km
Battery Capacity
-
Battery Capacity
-
co2
66 - 216 g/km
co2
38 - 60 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Estate
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,570 - 1,810 kg
Curb weight
1,710 - 1,805 kg
Trunk capacity
385 - 435 L
Trunk capacity
-
Length
-
Length
-
Width
1,834 - 1,849 mm
Width
1,875 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
480 - 500 kg
Payload
435 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Engine Type
Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 421 HP
Power HP
184 - 212 HP
Acceleration 0-100km/h
4.3 - 11 s
Acceleration 0-100km/h
8.5 - 8.9 s
Max Speed
-
Max Speed
-
Torque
230 - 500 Nm
Torque
-
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 310 kW
Power kW
135 - 156 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
1,498 cm3

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

The Mercedes GLA is available as Front-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.