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Mercedes GLA vs BYD Sealion 7 comparison

Compare performance (421 HP vs 530 HP), boot space and price (38,800 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLA or BYD Sealion 7?

Mercedes GLA vs BYD Sealion 7: Key differences

Mercedes GLA

4.6 (3 Reviews)
rate
  • somewhat cheaper
  • barely quicker 0–100 km/h
  • substantially lighter

BYD Sealion 7

5 (2 Reviews)
rate
  • visibly more power
  • significantly more electric range
  • slightly more trunk space

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

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.

Mercedes GLA is somewhat cheaper – starting at 38,800 £ , while the BYD Sealion 7 costs 42,800 £ . That’s a price difference of around 4,012 £.

As for electric range, the BYD Sealion 7 offers significantly more range – reaching up to 502 km, about 428 km more than the Mercedes GLA.

Sealion 7

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 Sealion 7 offers visibly more power – delivering 530 HP compared to 421 HP. That’s roughly 109 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLA is barely quicker – completing the sprint in 4.3 s, while the BYD Sealion 7 takes 4.5 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the BYD Sealion 7 delivers visibly more torque with 690 Nm compared to 500 Nm. That’s about 190 Nm more.

GLA

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 substantially lighter – 1,570 kg compared to 2,225 kg. The difference is around 655 kg.

Looking at boot space, the BYD Sealion 7 offers slightly more boot space – 520 L compared to 435 L. That’s a difference of about 85 L.

When it comes to payload, the Mercedes GLA carries somewhat more – 500 kg compared to 410 kg. That’s a difference of about 90 kg.

Who wins the race in the data check?

The BYD Sealion 7 stands well ahead of its rival 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 £42,800
Sealion 7

BYD Sealion 7

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 313 - 530 HP
  • Consumption kWh/100km : 19.9 - 21.9 kWh/100km
  • Electric Range : 456 - 502 km
details

Frequently compared as well

BYD Sealion 7
ZEEKR 7X
VS
The BYD Sealion 7 plays the value card with clever packaging, generous range claims and soft-riding manners, while the ZEEKR 7X feels like the sharper, tech-forward alternative that’s happier chasing pace and premium detailing. If you want an everyday EV that stretches your money on range and …
BYD Seal U
BYD Sealion 7
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The BYD Seal U brings crossover practicality and a higher driving position for buyers after everyday versatility, while the sleeker BYD Sealion 7 swaps that raised stance for a lower, sportier profile and crisper road manners. Choose the Seal U for family-friendly space and comfort, or the Sealion …
Mercedes GLA
BYD Sealion 7

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.

details
20C0047_067
20C0047_071
20C0047_104
20C0047_115

Reviews Mercedes GLA

4.6 (3 Reviews)
rate
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 Sealion 7

The Sealion 7 captivates with its striking design and impressive performance that appeals to both enthusiasts and casual drivers alike. With a focus on comfort and advanced technology, this model redefines the driving experience, making every journey enjoyable. Its sleek silhouette coupled with an innovative interior showcases the perfect blend of style and functionality.

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byd-sealion-7-17
byd-sealion-7-12

Reviews BYD Sealion 7

5 (2 Reviews)
rate
oriol
27 Feb 2026, 15:33:27

range that I can always charge to 100% — unlike other brands that told me it was recommended to stop at 80%, which consequently cut my real range from 600 to 480 by not being able to charge to 100%. I think that's something people should know.

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

Frequently compared as well

Mercedes B Class
Mercedes GLA
VS
The Mercedes B‑Class is the practical, airy people‑carrier that prioritises space and comfort, while the Mercedes GLA takes the same mechanical smarts and adds SUV looks, higher ride height and a touch more road presence. Pick the B‑Class for family‑friendly sense and efficiency, choose the GLA if …
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BYD Sealion 7
VS
The BYD Tang wears its SUV badge proudly — big, bold and businesslike, with a roomy cabin, high driving position and enough tech to turn family road trips into comfortable command missions. The BYD Sealion 7 is the sleeker, more carlike alternative, trading some bulk for sharper handling, better …
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Skoda Enyaq is the sensible, family-friendly EV — roomy, comfortably composed and refreshingly free of gimmicks, the sort of car that quietly makes everyday life easier. BYD Sealion 7, by contrast, trades conservatism for style and tech, offering punchy electric performance and impressive value …
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The BYD Sealion 7 goes head-to-head with the Kia EV5 in a neat showdown between bold, feature-packed value and polished, dependable practicality. Which should you park in your garage — BYD’s tech-heavy challenger promising big range for the money, or Kia’s composed EV5 that prefers refinement and …
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BYD Sealion 7
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In the competitive landscape of electric vehicles, the XPeng G6 and BYD Sealion 7 stand out for their innovative features and striking designs. The XPeng G6 impresses with its advanced tech integration and spacious interior, appealing to tech-savvy consumers, while the BYD Sealion 7 showcases …
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BYD Sealion 7 and BYD Seal 6 go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Toyota bZ4X
BYD Sealion 7
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The Toyota bZ4X feels like a reliably mellow electric SUV — conservative styling, predictable handling and Toyota-level build confidence for buyers who want fuss-free ownership. The BYD Sealion 7, by contrast, punches above its price with slick tech, impressive range and a sportier edge, making it …
Mercedes GLA
BYD Sealion 7

Costs and Consumption
Price
38,800 - 75,300 £
Price
42,800 - 52,300 £
Consumption L/100km
2.9 - 9.5 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
74 km
Electric Range
456 - 502 km
Battery Capacity
12.9 kWh
Battery Capacity
-
co2
66 - 216 g/km
co2
0 g/km
Fuel tank capacity
35 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,570 - 1,810 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
385 - 435 L
Trunk capacity
520 L
Length
4,412 mm
Length
-
Width
1,834 - 1,849 mm
Width
1,925 mm
Height
1,616 mm
Height
-
Max trunk capacity
1,385 L
Max trunk capacity
-
Payload
480 - 500 kg
Payload
410 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel, Petrol
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
116 - 421 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
4.3 - 11 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
210 km/h
Max Speed
-
Torque
230 - 500 Nm
Torque
380 - 690 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
85 - 310 kW
Power kW
230 - 390 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2,024
CO2 Efficiency Class
B, E, F, G
CO2 Efficiency Class
A
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.