Compare performance (449 HP vs 421 HP), boot space and price (38,600 £ vs 32,600 £ ) at a glance. Find out which car is the better choice for you – BYD Atto 3 or Mercedes A Class?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.
Mercedes A Class is slightly cheaper – starting at 32,600 £ , while the BYD Atto 3 costs 38,600 £ . That’s a price difference of around 5,994 £.
As for electric range, the BYD Atto 3 offers substantially more range – reaching up to 510 km, about 425 km more than the Mercedes A Class.
Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.
When it comes to engine power, the BYD Atto 3 offers marginally more power – delivering 449 HP compared to 421 HP. That’s roughly 28 HP more horsepower.
Both models accelerate almost equally fast – 3.9 s from 0 to 100 km/h.
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.
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 A Class is markedly lighter – 1,440 kg compared to 1,880 kg. The difference is around 440 kg.
Looking at boot space, the BYD Atto 3 offers noticeably more boot space – 490 L compared to 350 L. That’s a difference of about 140 L.
When it comes to payload, the BYD Atto 3 carries marginally more – 530 kg compared to 485 kg. That’s a difference of about 45 kg.
The BYD Atto 3 is far ahead 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.
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.
detailsThe Mercedes A‑Class arrives as a compact charmer that dresses premium materials and a cockpit full of screens in a tidy, city-friendly package, delivering surprising agility and poise. For buyers who want a luxury badge, clever tech and a car that's equally happy in tight streets or on a spirited country run, the A‑Class offers a grown-up feel with a cheeky streak.
detailsCosts and Consumption |
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Price
38,600 - 43,700 £
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Price
32,600 - 66,500 £
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Consumption L/100km
-
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Consumption L/100km
2.3 - 9 L/100km
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Consumption kWh/100km
16.4 - 17.8 kWh/100km
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Consumption kWh/100km
-
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Electric Range
470 - 510 km
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Electric Range
85 km
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Battery Capacity
-
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Battery Capacity
-
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co2
0 g/km
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co2
53 - 205 g/km
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Fuel tank capacity
-
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Fuel tank capacity
-
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Dimensions and Body |
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|---|---|
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Body Type
SUV
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Body Type
Hatchback
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Seats
5
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Seats
5
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Doors
-
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Doors
-
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Curb weight
1,880 - 1,990 kg
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Curb weight
1,440 - 1,695 kg
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Trunk capacity
490 L
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Trunk capacity
310 - 350 L
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Length
-
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Length
-
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Width
1,875 mm
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Width
1,796 - 1,850 mm
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Height
-
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Height
-
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Max trunk capacity
-
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Max trunk capacity
-
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Payload
530 kg
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Payload
450 - 485 kg
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Engine and Performance |
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|---|---|
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Engine Type
Electric
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Engine Type
Petrol MHEV, Diesel, Plugin Hybrid, Petrol
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Transmission
Automatic
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Transmission
Automatic
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Transmission Detail
Reduction Gearbox
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Transmission Detail
Dual-Clutch Automatic
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Drive Type
Rear-Wheel Drive, All-Wheel Drive
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Drive Type
Front-Wheel Drive, All-Wheel Drive
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Power HP
313 - 449 HP
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Power HP
116 - 421 HP
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Acceleration 0-100km/h
3.9 - 5.5 s
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Acceleration 0-100km/h
3.9 - 9.7 s
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Max Speed
-
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Max Speed
-
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Torque
380 - 560 Nm
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Torque
200 - 500 Nm
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Number of Cylinders
-
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Number of Cylinders
4
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Power kW
230 - 330 kW
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Power kW
85 - 310 kW
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Engine capacity
-
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Engine capacity
1,332 - 1,991 cm3
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General |
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Model Year
2026
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Model Year
2025
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CO2 Efficiency Class
A
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CO2 Efficiency Class
D, E, B, G
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Brand
BYD
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Brand
Mercedes-Benz
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