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BYD Seal U vs CUPRA Terramar comparison

Compare performance (324 HP vs 272 HP), boot space and price (34,300 £ vs 42,000 £ ) at a glance. Find out which car is the better choice for you – BYD Seal U or CUPRA Terramar?

BYD Seal U vs CUPRA Terramar: Key differences

BYD Seal U

4.3 (11 Reviews)
rate
  • visibly cheaper
  • moderately more power
  • clearly more electric range
  • marginally more trunk space
details

CUPRA Terramar

4.8 (10 Reviews)
rate
  • somewhat 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

Seal U

BYD Seal U VS CUPRA Terramar — concise comparison for buyers

The BYD Seal U and the CUPRA Terramar present two very different takes on the compact SUV idea, so this BYD Seal U VS CUPRA Terramar comparison focuses on what real drivers will notice day to day. The Seal U leans into comfort, kit and quiet refinement while the Terramar leans into sharper styling, a more direct chassis and optional sporty touches. Both cars aim at families and commuters but they reach that audience with distinct priorities: value and tech versus personality and mechanical polish. Read on for where those priorities matter most in everyday use and which buyer each car suits best.

Terramar

Character and driving dynamics

Driving the BYD Seal U feels calm and undemanding — suspension soaks up bumps and steering is light, which makes city driving effortless but leaves less feedback for spirited cornering. The CUPRA Terramar wants to feel tauter: the steering is more direct and the body control limits roll, so it rewards drivers who want a composed, confidence-inspiring response without trading away comfort entirely. That trade-off matters: the Seal U suits someone who prioritises relaxed cruising and predictability, whereas the Terramar suits buyers who want a bit more driver engagement and a car that feels planted. If you plan to make frequent hard cornering part of your routine, the Terramar will feel more satisfying; if you mostly cruise and want silence and ease, the Seal U will be the calmer companion.

Seal U

Comfort and long-distance behaviour

On long runs the BYD Seal U stands out for low interior noise and cushioned suspension that make motorway miles less tiring, though its softer setup can produce a floaty sensation over uneven surfaces. The CUPRA Terramar is firmer, especially on larger wheels, but offers adaptable dampers (DCC) that let you choose a softer, long-distance setting or a tighter road-holding mode when desired. The Seal U’s PHEV variants can become audible under heavy load, while both brands' electrified versions deliver quiet electric cruising when used as intended. So for motorway touring and a hushed cabin the BYD pulls ahead; for drivers who want control and the option to tighten things up, the Terramar gives more flexibility.

Terramar

Practicality and daily usability

Family buyers will notice the BYD Seal U’s roomy footwell and largely flat rear floor that make life with child seats and three across easier and more comfortable for passengers. The CUPRA Terramar counters with a practical sliding rear bench that lets you trade rear legroom for luggage space on demand, which is a clear everyday advantage for variable family needs. The Seal U packs a strong equipment list and parking aids that ease city manoeuvres, while the Terramar’s tighter body language and helpful sensors give confidence despite a slightly reduced outward visibility. If your priority is fixed passenger comfort the BYD is friendlier; if you regularly swap between cargo and people, the Terramar’s flexibility will be more useful.

Seal U

Cabin feel, infotainment and perceived quality

The BYD Seal U makes a bold first impression with a large rotating display and HUD, plus lots of standard features that amplify perceived value; the interior is generally well finished, though some lower-cost plastics are visible on close inspection. The CUPRA Terramar presents a sportier cockpit with tactile controls, strong seat support and a touchscreen UI that favours quick-access bars — it feels a touch more familiar and intuitive from day one. BYD’s menus can be deeper and require more tapping, which slows some users, whereas the Terramar’s interface aims to keep you out of submenus. In short, BYD delivers headline kit and tech bang for the buck, while CUPRA trades a bit of kit depth for crisper ergonomics and a more traditionally premium, driver-focused cabin feel.

Terramar

Buyer fit and trade-offs before the technical deep dive

If you value generous standard equipment, a quiet highway demeanour and a more affordable entry into electrified motoring, the BYD Seal U will fit better into that lifestyle and budget. If you prioritise sharper handling cues, a flexible rear bench and a cabin that feels immediately familiar and sporty, the CUPRA Terramar will likely satisfy you despite a higher price and firmer ride on large wheels. Both cars have five‑star safety pedigrees and good family credentials, so the decision narrows to temperament and everyday priorities — calm and contentment with the Seal U versus style, control and configurability with the Terramar. Scroll down to the technical comparison to see how those real‑world differences map to batteries, charging, powertrains and cargo space so you can match specs to the use cases that matter most.

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

Seal U

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

BYD Seal U is visibly cheaper – starting at 34,300 £ , while the CUPRA Terramar costs 42,000 £ . That’s a price difference of around 7,705 £.

As for electric range, the BYD Seal U offers clearly more range – reaching up to 500 km, about 382 km more than the CUPRA Terramar.

Terramar

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 BYD Seal U offers moderately more power – delivering 324 HP compared to 272 HP. That’s roughly 52 HP more horsepower.

Both models accelerate almost equally fast – 5.9 s from 0 to 100 km/h.

There’s also a difference in torque: the BYD Seal U delivers markedly more torque with 550 Nm compared to 400 Nm. That’s about 150 Nm more.

Seal U

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, CUPRA Terramar is somewhat lighter – 1,638 kg compared to 1,940 kg. The difference is around 302 kg.

Looking at boot space, the BYD Seal U offers marginally more boot space – 552 L compared to 540 L. That’s a difference of about 12 L.

When it comes to payload, the CUPRA Terramar carries noticeably more – 542 kg compared to 410 kg. That’s a difference of about 132 kg.

Who wins the race in the data check?

The BYD Seal U 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 £34,300
Seal U

BYD Seal U

  • Engine Type Electric, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 218 - 324 HP
  • Consumption kWh/100km 12.1 - 20.5 kWh/100km
  • Electric Range 70 - 500 km
BYD Seal U
CUPRA Terramar

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BYD Seal U

The BYD Seal U is a sleek electric fastback that blends sporty styling with a roomy, tech-focused interior, making it an appealing choice for buyers who want electric performance without sacrificing comfort. It delivers a smooth, composed ride and intuitive features, positioning it as a practical yet modern option in the EV market.

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CUPRA Terramar

The CUPRA Terramar blends the brand’s sporty DNA with the practicality of a compact crossover, offering striking design and a driver-focused, premium-feeling cabin. It’s aimed at buyers who want engaging handling and athletic looks without giving up everyday usability and modern connectivity.

details
BYD Seal U
CUPRA Terramar

Costs and Consumption

Price
34,300 - 39,800 £
Price
42,000 - 51,100 £
Consumption L/100km
-
Consumption L/100km
1.6 - 8.4 L/100km
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Consumption kWh/100km
-
Electric Range
70 - 500 km
Electric Range
118 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 71 g/km
co2
36 - 191 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
1,940 - 2,147 kg
Curb weight
1,638 - 1,904 kg
Trunk capacity
425 - 552 L
Trunk capacity
450 - 540 L
Length
-
Length
-
Width
1,890 mm
Width
1,869 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 kg
Payload
512 - 542 kg

Engine and Performance

Engine Type
Electric, Plugin Hybrid
Engine Type
Petrol, Petrol MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
218 - 324 HP
Power HP
150 - 272 HP
Acceleration 0-100km/h
5.9 - 9.6 s
Acceleration 0-100km/h
5.9 - 9.3 s
Max Speed
-
Max Speed
-
Torque
300 - 550 Nm
Torque
250 - 400 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
160 - 238 kW
Power kW
110 - 200 kW
Engine capacity
1,497 - 1,498 cm3
Engine capacity
1,498 - 1,984 cm3

General

Model Year
2,024 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A, B
CO2 Efficiency Class
F, E, B, G
Brand
BYD
Brand
CUPRA
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.