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BYD Seal U vs Cadillac OPTIQ comparison

Compare performance (324 HP vs 304 HP), boot space and price (34,300 £ vs 55,700 £ ) at a glance. Find out which car is the better choice for you – BYD Seal U or Cadillac OPTIQ?

BYD Seal U vs Cadillac OPTIQ: Key differences

BYD Seal U

4.1 (7 Reviews)
rate
  • substantially cheaper
  • very slightly more power
  • clearly more efficient
  • moderately more electric range
  • very slightly quicker 0–100 km/h
  • noticeably lighter
  • a bit more trunk space

Cadillac OPTIQ

3.7 (1 Reviews)
rate

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

Seal U

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

BYD Seal U is substantially cheaper – starting at 34,300 £ , while the Cadillac OPTIQ costs 55,700 £ . That’s a price difference of around 21,437 £.

In terms of energy consumption, the BYD Seal U is clearly more efficient: consuming 12.1 kWh/100km compared to 19.9 kWh/100km for the Cadillac OPTIQ. That’s a difference of about 7.8 kWh/100km.

As for electric range, the BYD Seal U offers moderately more range – reaching up to 500 km, about 75 km more than the Cadillac OPTIQ.

Seal U

Engine and Performance:

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 Seal U offers very slightly more power – delivering 324 HP compared to 304 HP. That’s roughly 20 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Seal U is very slightly quicker – completing the sprint in 5.9 s, while the Cadillac OPTIQ takes 6.3 s. That’s about 0.4 s quicker.

Looking at top speed, the Cadillac OPTIQ is marginally faster – reaching 184 km/h, while the BYD Seal U tops out at 175 km/h. The difference is around 9 km/h.

There’s also a difference in torque: the BYD Seal U delivers slightly more torque with 550 Nm compared to 480 Nm. That’s about 70 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, BYD Seal U is noticeably lighter – 1,940 kg compared to 2,376 kg. The difference is around 436 kg.

Looking at boot space, the BYD Seal U offers a bit more boot space – 552 L compared to 443 L. That’s a difference of about 109 L.

For maximum load capacity, the BYD Seal U offers barely more capacity – up to 1,440 L, about 100 L more than the Cadillac OPTIQ.

When it comes to payload, the Cadillac OPTIQ carries noticeably more – 524 kg compared to 410 kg. That’s a difference of about 114 kg.

Who wins the race in the data check?

The BYD Seal U 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 £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
details

Frequently compared as well

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 …
BYD Seal U
Toyota RAV4
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BYD Seal U is a sleek, driver‑focused electric newcomer that delivers brisk, silent acceleration, cutting‑edge tech and impressive running‑cost savings — it’s the car that makes you forget what an internal‑combustion soundtrack sounded like. The Toyota RAV4 sticks to its strengths: rugged, roomy …
BYD Seal U
Cadillac OPTIQ

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 pairs a sleek fastback silhouette with a surprisingly roomy, tech-rich cabin, giving electric chic without the showroom pretension. It's a smart pick for buyers after confident handling, sensible practicality and standout value — all wrapped up with a cheeky grin when you put your foot down.

details
BYD SEAL U 157
BYD SEAL U 061
BYD SEAL U 079

Reviews BYD Seal U

4.1 (7 Reviews)
rate
Emily
20 Jan 2026, 22:52:34

Broke down at 200 KM

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

Cadillac OPTIQ

The Cadillac Optiq is a chic, compact electric SUV that brings the brand’s bold styling, hushed refinement, and confident punch to a more attainable size. With a calm, composed ride, a tech-rich cabin, and the brand’s signature light show outside, it feels like an urban-friendly gateway to true American luxury without losing the drama or the practicality buyers need.

details

Reviews Cadillac OPTIQ

3.7 (1 Reviews)
rate

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

Frequently compared as well

BYD Seal U
MG HS/EHS
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Fresh from BYD’s EV revolution, the sleek Seal U brings range, tech and bold styling to spar with the MG HS/EHS — MG’s faithful family crossover offered as a petrol and a plug‑in hybrid that plays the safe, sensible card. Which one gives you the best mix of space, running costs and grin‑per‑mile?
BYD Seal U
BYD Seal 6
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Think of the BYD Seal U as the nimble, slightly sharper hatchback that’s happier darting through city streets, while the BYD Seal 6 is the sleeker, longer-legged cruiser built for relaxed motorway miles and extra range. If you want playful agility and everyday practicality go Seal U, but if …
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Porsche Cayenne
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Put simply: the BYD Seal U is a slick, value-packed electric newcomer that trades brand pedigree for cutting-edge tech, impressive range and a price that makes you rethink running on petrol, while the Porsche Cayenne remains the benchmark for SUV dynamics, luxury and towing practicality with a …
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Kia Sportage
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In one corner, the sleek, spoiler-tinged BYD Seal U — an electric fastback that flirts with sports-car dynamics while packing a tech-bomb of range and gadgets; in the other, the practical, ever-adaptable Kia Sportage — a compact SUV that blends comfort, space and sensible running costs into a tidy …
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BYD Seal U
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If you want a friendly, practical EV that looks like it drinks coffee in a hipster cafe and carries everything from groceries to weekend bikes, the BYD Atto 3 is the sensible, value-packed choice. The BYD Seal U, by contrast, dresses up the electric experience with sleeker lines, sharper handling …
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BYD Seal U
BYD Seal
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The BYD Seal U trades the low-slung, swoopy charm of the BYD Seal for a taller, more practical shape — think crossover comfort, easier loading and a higher driving position without giving up the EV's brisk acceleration. If you want sportier looks and the slickest aero for maximum range, choose the …
BYD Seal U
Cadillac OPTIQ

Costs and Consumption
Price
34,300 - 39,800 £
Price
55,700 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Consumption kWh/100km
19.9 kWh/100km
Electric Range
70 - 500 km
Electric Range
425 km
Battery Capacity
-
Battery Capacity
75 kWh
co2
0 - 71 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,940 - 2,147 kg
Curb weight
2,376 kg
Trunk capacity
425 - 552 L
Trunk capacity
443 L
Length
4,785 mm
Length
4,820 mm
Width
1,890 mm
Width
1,912 mm
Height
1,668 mm
Height
1,643 mm
Max trunk capacity
1,440 L
Max trunk capacity
1,340 L
Payload
410 kg
Payload
524 kg

Engine and Performance
Engine Type
Electric, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
218 - 324 HP
Power HP
304 HP
Acceleration 0-100km/h
5.9 - 9.6 s
Acceleration 0-100km/h
6.3 s
Max Speed
175 km/h
Max Speed
184 km/h
Torque
300 - 550 Nm
Torque
480 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
160 - 238 kW
Power kW
224 kW
Engine capacity
1,497 - 1,498 cm3
Engine capacity
-

General
Model Year
2,024 - 2,026
Model Year
2,026
CO2 Efficiency Class
A, B
CO2 Efficiency Class
A
Brand
BYD
Brand
Cadillac
What drivetrain options does the BYD Seal U have?

The BYD Seal U 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.