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Audi Q4 Sportback e-tron vs BYD Seal
Selected trimDesignChange trim354 mi · 82.5 kWh · £45,730
At a glance
In this comparison, Audi Q4 Sportback e-tron leads on motorway range, family practicality and charging speed, while the BYD Seal counters with the lowest price.
Best value
Too close to call
Range & charging
Audi Q4 Sportback e-tronPracticality
Audi Q4 Sportback e-tronWhich should you choose?
Choose the Audi Q4 Sportback e-tron if...
- you do long motorway journeys - it has the best estimated real-world range at speed
- you need the most family-friendly option with good safety and space
- you need the fastest charging of these options
- you want the lowest running costs - from just 2p per mile on off-peak electricity
- you drive in the city - it's compact with an excellent turning circle
How we reached the recommendation
Verdict
Our take
The Audi Q4 Sportback e-tron wins almost every category - it's the clear choice unless price is the deciding factor.
Value
Audi
6.2
BYD
6.3
Too close to call
Motorway RangeAudi
Audi
5.4
BYD
3.1
FamilyAudi
Audi
7.5
BYD
6.7
ChargingAudi
Audi
4.8
BYD
2.4
Cost Per MileAudi
Audi
6.9
BYD
3.4
City DrivingAudi
Audi
5.9
BYD
3.6
What each car does better
See the specification differences behind the verdict, with supporting figures for each advantage.
Key specifications
Compare the key specifications for your selected trims.
| Measure | Audi Q4 Sportback e-trone-tron 204PS | BYD SealDesign |
|---|---|---|
| Price | £48,160 | £45,730 (better) |
| Official range | 274 miles | 354 miles (better) |
| Boot space | 535 L (better) | 400 L |
| 10-80% rapid charge | Not available | 37 min |
| 0-62 mph | 8.1 sec | 5.9 sec (better) |
Size Comparison
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Audi Q4 Sportback e-tron
BYD Seal
Length
Audi Q4 Sportback e-tron4,588mm-212mm
BYD Seal4,800mm
Width
Audi Q4 Sportback e-tron1,865mm-10mm
BYD Seal1,875mm
Height
Audi Q4 Sportback e-tron1,614mm
BYD Seal1,460mm-154mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Audi Q4 Sportback e-trone-tron 204PS | BYD SealDesign |
|---|---|---|
| Length | 4,588 mm | 4,800 mm |
| Width (mirrors folded) | 1,865 mm (better) | 1,875 mm |
| Width with mirrors out | 2,108 mm (better) | 2,150 mm |
| Height | 1,614 mm | 1,460 mm |
| Turning circle | 10.2 m (better) | 11.2 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 535 mm spare (better) | 525 mm spare |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Audi Q4 Sportback e-trone-tron 204PS | BYD SealDesign |
|---|---|---|
| Seats | 5 | 5 |
| ISOFIX child-seat points | Not available | 3 |
| Boot space (seats up) | 535 L (better) | 400 L |
| Boot space (seats down) | 1460 L | Not available |
| Frunk | Not available | 53 L |
| Towing capacity (braked) | Not available | 750 kg |
How each stacks up
Percentile ranks against UK EVs of the same body style.
Audi Q4 Sportback e-tron
Not enough peers to make confident percentile claims.
BYD Seal
- One of 33 of 232 UK EVs in our catalogue with V2L (vehicle-to-load) support.
- 11.2 m turning circle, tighter than 85% of saloon EVs in our database.
Full specifications
| Specification |  Audi Q4 Sportback e-tron e-tron 204PS |  BYD Seal Design |
|---|---|---|
| Dimensions | ||
| Length | 4.59m | 4.80m+212mm |
| Width | 1.86m | 1.88m+10mm |
| Width (mirrors) | 2.11m | 2.15m+42mm |
| Height | 1.61m | 1.46m-154mm |
| Wheelbase | 2.76m | 2.92m+156mm |
| Capacity | ||
| Boot (seats up) | 535L (better) | 400L |
| Boot (seats down) | 1460L | Not available |
| Frunk | Not available | 53L |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 10.2m (better) | 11.2m |
| Kerb Weight | 1,940kg (better) | 2,055kg |
| Towing Capacity | Not available | 750kg |
| Electric | ||
| Battery | 63kWh | 82.5kWh (better) |
| Range (WLTP) | 274 mi | 354 mi (better) |
| Max DC Charge | 160kW (better) | 150kW |
| Pricing | ||
| UK MSRP | £48,160 | £45,730 (better) |
| Details | ||
| Body Style | Coupe SUV | Saloon |
| Available | 2026+ | 2023+ |
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Audi Q4 Sportback e-trone-tron 204PS | BYD SealDesign |
|---|---|---|
| Official range (WLTP) | 274 miles | 354 miles (better) |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 229 miles | 244 miles (better) |
| 10-80% rapid charge time | Not available | 37 min |
| Max rapid charge rate | 160 kW (better) | 150 kW |
| Home AC charging | 11 kW | 11 kW |
| Energy consumption | Not available | 166 Wh/km |
| Usable battery capacity | 59 kWh | 82.5 kWh (better) |
| Battery chemistry | NMC | LFP |
| Battery architecture | 400V | 400V |
| Heat pump | Not available | Standard |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Audi Q4 Sportback e-trone-tron 204PS | BYD SealDesign |
|---|---|---|
| 0-62 mph | 8.1 sec | 5.9 sec (better) |
| Power | 150 kW | 230 kW (better) |
| Torque | 310 Nm | 360 Nm (better) |
| Drivetrain | RWD | RWD |
What the critics say
See how UK motoring publications rate each car in their road tests.
Audi Q4 Sportback e-tron
e-tron 204PS
BYD Seal
Design
Watch the reviews
Watch selected video reviews here, or visit each model page for the full collection.
Audi Q4 Sportback e-tron
All 3 videos
Reviews and videos discuss each model overall; the specifications above apply to your selected trims.
Prices & deals
Calculate your real costs
For a useful running-cost comparison, factor in your mileage, charging access and current petrol or diesel car alongside the EV estimate.
Compare with petrol or diesel
Compare purchase price, energy, road tax and maintenance with a petrol or diesel alternative.
Calculate company-car tax
Work out monthly Benefit-in-Kind using current and future HMRC rates.
Cost per mile
Compare EV charging costs per mile with petrol and diesel using your charging options.
Check a lease quote
Assess the effective monthly cost alongside the list price and expected depreciation.
Safety & ownership confidence
Euro NCAP - Audi Q4 Sportback e-tron e-tron 204PS
Tested 2025
Adult Occupant91%
Child Occupant87%
Vulnerable Road Users79%
Safety Assist73%
Full result on euroncap.com (opens in new tab)
Euro NCAP - BYD Seal Design
Tested 2023
Adult Occupant89%
Child Occupant87%
Vulnerable Road Users82%
Safety Assist76%
Full result on euroncap.com (opens in new tab)
Warranty
Check the published battery warranty cover for each selected trim.
| Measure | Audi Q4 Sportback e-trone-tron 204PS | BYD SealDesign |
|---|---|---|
| Battery warranty | 8 years | 8 years |
| Battery warranty distance | 160,934 km | 250,000 km (better) |
Buying options
Get a quote
Audi Q4 Sportback e-tron
Used on AutoTraderLease deals
BYD Seal
Used on AutoTraderLease deals
Live used listings
Active inventory from independent UK dealers.
Audi Q4 Sportback e-tron
No active listings.
BYD Seal
- £28,5822025Car360View
- £30,6992025Car360View
- £29,6822025Car360View
Frequently asked questions
Is the Audi Q4 Sportback e-tron worth the extra £2,430 over the BYD Seal?
The Audi Q4 Sportback e-tron costs £2,430 more than the BYD Seal. For that premium it adds 135 litres more boot space. The BYD Seal is not just cheaper - it also offers 80 miles more WLTP range, 80 kW more power and a 2.2s quicker 0-62mph time. On EVcarsguide's combined category scores, the Audi Q4 Sportback e-tron comes out ahead overall.
Which is cheaper to own over 5 years, the Audi Q4 Sportback e-tron or the BYD Seal?
The BYD Seal is £2,430 cheaper to buy. Running costs are almost identical - about £160 a year either way, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the BYD Seal comes out roughly £2,310 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
What are the Audi Q4 Sportback e-tron and BYD Seal like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 229 miles for the Audi Q4 Sportback e-tron and 244 miles for the BYD Seal - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The BYD Seal goes roughly 16 miles further between charging stops.
Which is easier to park and drive in town, the Audi Q4 Sportback e-tron or the BYD Seal?
The two are within 10 mm on width, so neither is meaningfully easier to thread into a tight space. In a standard 2,400 mm bay that leaves about 535 mm of total clearance for the Audi Q4 Sportback e-tron and about 525 mm of total clearance for the BYD Seal. The Audi Q4 Sportback e-tron also turns in a 1.0 m tighter circle, which helps with U-turns and multi-storey ramps.
Which battery will hold up better as a used buy, the Audi Q4 Sportback e-tron or the BYD Seal?
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 84% battery health for the Audi Q4 Sportback e-tron and 90% for the BYD Seal. That gives the BYD Seal a modest edge in retained real-world range. The BYD Seal's LFP-type pack tolerates daily 100% charging, while the Audi Q4 Sportback e-tron's NMC-type pack lasts longest kept to about 80% for everyday use. Both batteries carry a 8-year manufacturer warranty.
Go deeper on each car
Visit the full model pages for owner feedback, expert reviews, used prices and battery-health information.
Compare against other rivals
Compare similarly sized and priced electric cars before finalising your shortlist.
More Audi Q4 Sportback e-tron comparisons
More BYD Seal comparisons
See both cars in our rankings
EVcarsguide scores every verified EV on price, range, family use and running costs. Here is where this pair appears.
Where the Audi Q4 Sportback e-tron and BYD Seal rank among the best family EVsWhere the Audi Q4 Sportback e-tron and BYD Seal rank among the best motorway EVsWhere the Audi Q4 Sportback e-tron and BYD Seal rank among the best city EVsWhere the Audi Q4 Sportback e-tron and BYD Seal rank among the cheapest EVs to runWhere the Audi Q4 Sportback e-tron and BYD Seal rank among EVs with the biggest bootsWhere the Audi Q4 Sportback e-tron and BYD Seal rank among Best Used Electric Cars Under £10,000 (UK)
If neither is quite right
Explore other verified electric cars that may better suit the priorities this pair does not meet.
Further reading
Explore buying and ownership guides to help you choose between these electric cars.
GuideBuying a Used Audi Q4 e-tron (2021 on): 35, 40, 45, 50 or 55, the Recall, Range & What to Check
A used Audi Q4 e-tron buyer’s guide: every version and battery explained, the 2021-2023 cars vs the 2024 update, the brake-software recall, warranty left, real-world range, what to pay, used vs new, and a printable checklist.
GuideBuying a Used BYD Seal (2023 on): Design vs Excellence, the Long Warranty & What to Pay
A used BYD Seal buyer’s guide: Design RWD vs Excellence AWD, the 2026 update, BYD’s 6-year warranty and 8-year / 250,000 km battery cover, real-world range, what owners report, what to pay (nearly-new ones are about a third off) and a printable checklist.
Data accuracy
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .