BYD Sealion 7 Polestar 4

Two cars on the same rows. The figures are all here, with their sources, so you can read them yourself and decide what matters.

Comparison table

18 of these rows differ. They sit at the top. Figures come straight from the makers, indicative. A bullet (•) marks a differing row.
BYD Sealion 7 Polestar 4
From (indicative) (differs) € 47,990 € 59,800
Status Available Available
Fuel Electric Electric
Model years 2024-now 2024-now
RatingsRating figures: higher is better (scale 0-100). What each category measures is explained on the methodology page.
Efficiency (differs) 58/100 66/100
Reliability (differs) n/a 66/100
Value retention (differs) n/a 58/100
Sustainability (environmental impact) 70/100 70/100
Practicality 70/100 70/100
Specifications
Body style (differs) SUV SUV-coupe
Range (WLTP, km) (differs) 502 620
Battery (kWh) (differs) 91.3 100
Power (hp) (differs) 530 272
0–100 km/h (s) (differs) 4.5 7.1
Top speed (km/h) (differs) 215 200
Length (mm) (differs) 4830 4840
Width (mm) (differs) 1925 2008
Height (mm) (differs) 1620 1534
Kerb weight (kg) (differs) 2510 2305
Fast charging, public charger (kW) (differs) 230 200
Boot (l) (differs) 520 526
Consumption WLTP (kWh/100km) (differs) 20.4 17.8
Max. towing weight, braked (kg) (differs) 1500
Seats 5 5
Doors 5 5

WLTP is the official EU test cycle; real-world figures are usually a bit lower. See the guide on WLTP versus real-world consumption.

OEM datasheets + RDW + ADAC (see methodology); rating and reference dates are listed per figure

Show sources and reference dates per rating
  • BYD Sealion 7 · Efficiency: WLTP 20.4 kWh/100km (manufacturer figure) vs EV-SUV-coupe segment, indicative · reference date 2026-05-21
  • BYD Sealion 7 · Sustainability (environmental impact): LFP Blade chemistry + BYD battery warranty (8 yr/160,000 km, 70% capacity) + LCA indication ICCT 2024; AWD consumption lowers score · reference date 2026-05-21
  • BYD Sealion 7 · Practicality: Boot 520 l + frunk 58 l, no EU towing-weight homologation lowers score (manufacturer figure) · reference date 2026-05-21
  • BYD Sealion 7 · Reliability: Too recent for reliable data; EU launch October 2024, service network being built up, no representative ADAC breakdown statistics · reference date 2026-05-21
  • BYD Sealion 7 · Value retention: Too recent for reliable data; BYD brand only briefly in EU, price changes distort the curve · reference date 2026-05-21
  • Polestar 4 · Sustainability (environmental impact): WLTP 17.8 kWh/100km + battery warranty 8 yr/160,000 km + LCA indication Polestar 2024 · reference date 2026-05-20
  • Polestar 4 · Reliability: ADAC breakdown statistics 2025 (segment) + aggregated owner reviews + RDW recalls (early data, limited n) · reference date 2026-05-21
  • Polestar 4 · Efficiency: WLTP 17.8 kWh/100km (manufacturer figure) vs. EV SUV coupe segment · reference date 2026-05-20
  • Polestar 4 · Practicality: Boot 526 l + towing weight 1,500 kg, no rear window (camera mirror) lowers score (manufacturer figure + ergonomics reporting) · reference date 2026-05-20
  • Polestar 4 · Value retention: Residual-value indication from valuation guides for the segment (early data, indicative, limited history) · reference date 2026-05-21

Who they are

A short write-up on each car, one paragraph apiece. We describe them on their own terms rather than picking a winner.

Profile · I (2024+)

BYD Sealion 7

Electric SUV coupe on BYD's e-Platform 3.0 Evo with 800 V architecture for the EU version. AWD top variant with dual motor, 530 hp, a 91.3 kWh LFP Blade pack and WLTP range 502 km (manufacturer figure). DC charging up to about 230 kW. EU launch at the Paris Motor Show October 2024, deliveries from late 2024. Indicative starting price, check the official configurator for the current figure per version.

Profile · Long Range Single Motor (2024)

Polestar 4

Electric coupe SUV on Geely's SEA platform, built in China. Long Range Single Motor with 272 hp on the rear axle, 100 kWh battery and WLTP range 620 km (manufacturer figure). DC charging up to 200 kW, braked towing 1,500 kg. Striking design without rear window: rearward view runs via a roof camera onto a digital rear view mirror screen.

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No tax or financial advice. Every figure shows its source and reference date. Always compare with an independent adviser and the official source. Source: OEM datasheets + RDW + ADAC (see methodology); rating and reference dates are listed per figure.