In this comparison, Audi Q6 Sportback e-tron leads on motorway range, charging speed and running costs, while the BYD Sealion 7 leads on family practicality.
Choose the Audi Q6 Sportback e-tron if...
Choose the BYD Sealion 7 if...
Our take
The Audi Q6 Sportback e-tron leads in the most categories, but each car here has its strengths.
Too close to call
See the specification differences behind the verdict, with supporting figures for each advantage.
quattro
Compare the key specifications for your selected trims.
| Measure | Audi Q6 Sportback e-tronquattro | BYD Sealion 7Comfort |
|---|---|---|
| Price | £71,475 | £44,990 (better) |
| Official range | 390 miles (better) | 300 miles |
| Boot space | 511 L | 520 L (better) |
| 10-80% rapid charge | 22 min (better) | 24 min |
| 0-62 mph | 5.9 sec (better) | 6.7 sec |
Size Comparison
Length
Width
Height
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Audi Q6 Sportback e-tronquattro | BYD Sealion 7Comfort |
|---|---|---|
| Length | 4,771 mm | 4,830 mm |
| Width (mirrors folded) | 1,939 mm | 1,925 mm (better) |
| Width with mirrors out | 2,193 mm | 2,189 mm (better) |
| Height | 1,665 mm | 1,620 mm |
| Turning circle | 12.1 m | 11.7 m (better) |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 461 mm spare | 475 mm spare (better) |
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Audi Q6 Sportback e-tronquattro | BYD Sealion 7Comfort |
|---|---|---|
| Seats | 5 | 5 |
| Boot space (seats up) | 511 L | 520 L (better) |
| Boot space (seats down) | 1373 L | 1789 L (better) |
| Frunk | Not available | 58 L |
| Towing capacity (braked) | 2,000 kg (better) | 750 kg |
Percentile ranks against UK EVs of the same body style.
Audi Q6 Sportback e-tron
BYD Sealion 7
| Specification | Audi Q6 Sportback e-tron quattro | BYD Sealion 7 Comfort |
|---|---|---|
| Dimensions | ||
| Length | 4.77m | 4.83m+59mm |
| Width | 1.94m | 1.93m-14mm |
| Width (mirrors) | 2.19m | 2.19m-4mm |
| Height | 1.67m | 1.62m-45mm |
| Wheelbase | 2.89m | 2.93m+41mm |
| Ground Clearance | Not available | 157mm |
| Capacity | ||
| Boot (seats up) | 511L | 520L (better) |
| Boot (seats down) | 1373L | 1789L (better) |
| Frunk | Not available | 58L |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 12.1m | 11.7m (better) |
| Kerb Weight | 2,150kg (better) | 2,225kg |
| Towing Capacity | 2,000kg (better) | 750kg |
| Electric | ||
| Battery | 100kWh (better) | 82.5kWh |
| Range (WLTP) | 390 mi (better) | 300 mi |
| Max DC Charge | 270kW (better) | 150kW |
| Pricing | ||
| UK MSRP | £71,475 | £44,990 (better) |
| Details | ||
| Body Style | SUV | SUV |
| Available | 2025+ | 2025+ |
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Audi Q6 Sportback e-tronquattro | BYD Sealion 7Comfort |
|---|---|---|
| Official range (WLTP) | 390 miles (better) | 300 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 325 miles (better) | 204 miles |
| 10-80% rapid charge time | 22 min (better) | 24 min |
| Max rapid charge rate | 270 kW (better) | 150 kW |
| Home AC charging | 11 kW | 11 kW |
| Energy consumption | Not available | 199 Wh/km |
| Usable battery capacity | 94.9 kWh (better) | 82.5 kWh |
| Battery chemistry | NMC | LFP |
| Battery architecture | 800V | Not available |
| Heat pump | Not available | Standard |
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Audi Q6 Sportback e-tronquattro | BYD Sealion 7Comfort |
|---|---|---|
| 0-62 mph | 5.9 sec (better) | 6.7 sec |
| Power | 285 kW (better) | 230 kW |
| Torque | 485 Nm (better) | 380 Nm |
| Drivetrain | AWD | RWD |
See how UK motoring publications rate each car in their road tests.

Audi Q6 Sportback e-tron
quattro

BYD Sealion 7
Comfort
6.6/10
average across 6 reviews
Watch selected video reviews here, or visit each model page for the full collection.
Reviews and videos discuss each model overall; the specifications above apply to your selected trims.
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.
Tested 2024
Tested 2025
Check the published battery warranty cover for each selected trim.
| Measure | Audi Q6 Sportback e-tronquattro | BYD Sealion 7Comfort |
|---|---|---|
| Battery warranty | 8 years | 8 years |
| Battery warranty distance | 160,934 km | 250,000 km (better) |
Get a quote
Audi Q6 Sportback e-tron
BYD Sealion 7
The Audi Q6 Sportback e-tron costs £26,485 more than the BYD Sealion 7. For that premium it adds 90 miles more WLTP range, 120 kW faster peak rapid charging and 55 kW more power. On EVcarsguide's combined category scores, the Audi Q6 Sportback e-tron comes out ahead overall.
The BYD Sealion 7 is £26,485 cheaper to buy. The Audi Q6 Sportback e-tron is cheaper to charge, roughly £176 a year versus £216 for the BYD Sealion 7, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the BYD Sealion 7 comes out roughly £26,285 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
EVcarsguide estimates a real-world motorway range of about 325 miles for the Audi Q6 Sportback e-tron and 204 miles for the BYD Sealion 7 - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Audi Q6 Sportback e-tron goes roughly 121 miles further between charging stops. Both rapid-charge to 80% in a similar time, around 22-24 minutes.
The two are within 14 mm on width, so neither is meaningfully easier to thread into a tight space. In a standard 2,400 mm bay that leaves about 475 mm of total clearance for the BYD Sealion 7 and about 461 mm of total clearance for the Audi Q6 Sportback e-tron. The BYD Sealion 7 also turns in a 0.4 m tighter circle, which helps with U-turns and multi-storey ramps.
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 84% battery health for the Audi Q6 Sportback e-tron and 90% for the BYD Sealion 7. That gives the BYD Sealion 7 a modest edge in retained real-world range. The BYD Sealion 7's LFP-type pack tolerates daily 100% charging, while the Audi Q6 Sportback e-tron's NMC-type pack lasts longest kept to about 80% for everyday use. Both batteries carry a 8-year manufacturer warranty.
Visit the full model pages for owner feedback, expert reviews, used prices and battery-health information.
Compare similarly sized and priced electric cars before finalising your shortlist.
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EVcarsguide scores every verified EV on price, range, family use and running costs. Here is where this pair appears.
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GuideA used Audi Q6 e-tron buyer’s guide: the 83 kWh, performance and quattro versions and the Sportback compared, warranty left, the ride and software issues owners report, realistic range, fast charging, what to pay and a printable checklist.
GuideA used BYD Sealion 7 buyer’s guide: Comfort RWD, Design AWD and Excellence AWD, the steep depreciation, BYD’s 8-year battery warranty, charging speeds, real-world range, what owners report and a printable checklist.
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .