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Hyundai i20 vs BYD Sealion 7 comparison

Compare performance (90 HP vs 530 HP), boot space and price (18,600 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – Hyundai i20 or BYD Sealion 7?

Hyundai i20 vs BYD Sealion 7: Key differences

Hyundai i20

4 (1 Reviews)
rate
  • substantially cheaper
  • considerably lighter
details

BYD Sealion 7

5 (2 Reviews)
rate
  • clearly more power
  • significantly quicker 0–100 km/h
  • visibly more trunk space
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

i20

Costs and Efficiency:

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

Hyundai i20 is substantially cheaper – starting at 18,600 £ , while the BYD Sealion 7 costs 42,800 £ . That’s a price difference of around 24,248 £.

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 clearly more power – delivering 530 HP compared to 90 HP. That’s roughly 440 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Sealion 7 is significantly quicker – completing the sprint in 4.5 s, while the Hyundai i20 takes 11.5 s. That’s about 7 s quicker.

There’s also a difference in torque: the BYD Sealion 7 delivers clearly more torque with 690 Nm compared to 172 Nm. That’s about 518 Nm more.

i20

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, Hyundai i20 is considerably lighter – 1,145 kg compared to 2,225 kg. The difference is around 1,080 kg.

Looking at boot space, the BYD Sealion 7 offers visibly more boot space – 520 L compared to 352 L. That’s a difference of about 168 L.

When it comes to payload, the Hyundai i20 carries a bit more – 465 kg compared to 410 kg. That’s a difference of about 55 kg.

Who wins the race in the data check?

The BYD Sealion 7 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 £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
Mazda CX-6e
VS
In one corner is the tech‑packed BYD Sealion 7, a gadget-rich challenger promising range and features for the money; in the other is the Mazda CX‑6e, Mazda’s sleeker, driver-focused answer with a more premium feel. We’ll pit them on comfort, performance, tech and running costs so you know which one …
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 …
Hyundai i20
BYD Sealion 7

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Hyundai i20

The Hyundai i20 is a cheeky small car that mixes smart styling with sensible practicality, feeling more polished and roomy than you might expect for the money. It’s an easy car to live with, offering engaging handling, a comfy cabin and useful equipment that make daily commutes and weekend errands notably less dull.

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hyundai-all-new-i20-static-09
hyundai-all-new-i20-static-07
hyundai-all-new-i20-interior-04
hyundai-all-new-i20-details-11

Reviews Hyundai i20

4 (1 Reviews)
rate
Jason
17 Nov 2025, 01:46:25

Bought an i20 two years ago and It has surprised me how good It is.

BYD Sealion 7

The BYD Sealion 7 is a sleek electric wagon that blends sporty styling with surprising practicality, making it a compelling choice for drivers who want something different from the usual hatchback or SUV. Its refined interior and composed road manners give it an upscale feel, while clever packaging keeps it versatile for daily use.

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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

BYD Seal U
BYD Sealion 7
VS
Choosing between the Seal U and the Sealion 7 means weighing sportier driving dynamics against extra space and everyday practicality. This quick comparison highlights the key differences in performance, range, interior comfort and value so you can pick the BYD that best fits your needs.
Hyundai Bayon
Hyundai i20
VS
Choosing between the Hyundai Bayon and the Hyundai i20 comes down to whether you prefer a compact crossover with higher ride height and extra practicality (Bayon) or a sharper, more efficient hatchback with sportier handling (i20). I’ll compare their space, driving feel, fuel economy and equipment …
XPeng G6
BYD Sealion 7
VS
The XPeng G6 and BYD Sealion 7 are two leading Chinese electric models that pair advanced technology and competitive range with distinct design and driving philosophies. This head‑to‑head compares range, performance, interior tech and ownership costs to help you choose the better fit for your needs.
BYD Sealion 7
MG MGS6 EV
VS
The BYD Sealion 7 and MG MGS6 EV are two electric contenders aimed at buyers who want strong range, practicality and good value. This comparison focuses on their driving range, charging, performance, interior comfort and running costs to help you decide which suits your everyday needs.
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 …
BYD Seal
BYD Sealion 7
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This comparison looks at the BYD Seal and the BYD Sealion 7 to help you decide which electric BYD best fits your needs. The Seal is a sleek, performance-oriented electric sedan, while the Sealion 7 focuses on greater practicality and interior flexibility for buyers who need more space.
BYD Sealion 7
ZEEKR 7GT
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The BYD Sealion 7 and Zeekr 7 GT both aim at the upscale electric-sedan market, but they take different approaches to range, performance and equipment. This comparison highlights the key differences in driving dynamics, technology and ownership costs so you can pick the one that fits your …
BYD Tang
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 …
Hyundai i20
BYD Sealion 7

Costs and Consumption
Price
18,600 - 24,000 £
Price
42,800 - 52,300 £
Consumption L/100km
5.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
-
Electric Range
456 - 502 km
Battery Capacity
-
Battery Capacity
-
co2
128 - 129 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,145 - 1,170 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
352 L
Trunk capacity
520 L
Length
-
Length
-
Width
1,775 mm
Width
1,925 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
455 - 465 kg
Payload
410 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
90 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
11.5 - 12.8 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
-
Max Speed
-
Torque
172 Nm
Torque
380 - 690 Nm
Number of Cylinders
3
Number of Cylinders
-
Power kW
66 kW
Power kW
230 - 390 kW
Engine capacity
998 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
D
CO2 Efficiency Class
A
Brand
Hyundai
Brand
BYD
What drivetrain options does the Hyundai i20 have?

The Hyundai i20 is offered with Front-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.