Denza B8 vs Polestar 4

Price and cost per week

Safety Rundown

Both the Denza B8 and Polestar 4 hold a 5-star ANCAP safety rating, tested 2025. Adult occupant protection scored 86% for the Denza B8 and 92% for the Polestar 4.

Where the two diverge is in active safety technology. We can confirm 9 of 10 key ADAS systems on the Polestar 4, against 7 on the Denza B8.

Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control.

Recalls on our record

A recall covers the builds its notice lists, not every car of a model. Check your VIN at vehiclerecalls.gov.au.

Charging times

How long each takes to charge, from a household power point to a DC fast charger, estimated from battery size and the car's own maximum charge rates.

Feature Showdown

The Denza B8 features a 17.3-inch touchscreen paired with a 12.3-inch digital dash, while the Polestar 4 gets a 15.4-inch display and 10.2-inch instruments. Apple CarPlay and Android Auto are standard across both.

The Denza B8 stands out with V2L and Devialet audio — features our data doesn't list for the Polestar 4. The Polestar 4 counters with panoramic roof, power tailgate and Bowers & Wilkins audio. Which feature set matters more depends on your daily routine and priorities.

Interior trim differs: the Denza B8 gets leather upholstery while the Polestar 4 offers synthetic leather. Climate control is 3-zone in the Denza B8 and 2-zone in the Polestar 4.

Drivetrain

The Denza B8 uses a Petrol Turbo PHEV producing 425kW and 760Nm of torque, sent through a 1-speed auto to a AWD layout. It covers the 0-100km/h sprint in 4.8 seconds.

The Polestar 4 responds with a Electric Motor making 200kW and 343Nm, paired to a single-speed fixed gear driving the rear wheels. It gets to 100km/h in 7.1 seconds.

The Denza B8 has the clear power advantage at 425kW vs 200kW. In the 0-100 sprint (manufacturer-claimed), the Denza B8 is 2.3s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

Space & Comfort

The Denza B8 measures 5,195mm long on a 2,920mm wheelbase, 355mm longer than the Polestar 4 at 4,840mm (2,999mm wheelbase). The longer wheelbase on the Polestar 4 generally means more rear legroom.

Boot space is 147L in the Denza B8 and 526L in the Polestar 4, giving the Polestar 4 a 379L advantage. The Denza B8 seats 7 vs 5.

For towing, the Denza B8 leads with a 3,500kg braked capacity vs 1,500kg. That 2,000kg difference matters if you regularly hitch up.

Neither U-turns in one sweep on a 7 m local street (both need a three-point turn); the Polestar 4's turning circle is 0.4 m tighter, 11.6 m against 12.0 m kerb to kerb. The street estimate is indicative, worked from the published turning circles.

Cost to own

At 15,000 km a year, fuel for the Denza B8 costs about $2,822 a year (9.9 L/100km as a hybrid) and electricity for the Polestar 4 about $806 a year (16.8 kWh/100km), at $1.90 a litre and 32c a kWh. A plug-in hybrid is costed running as a hybrid (battery depleted); charged daily, it uses less fuel and some electricity.

Warranty: 6 years / 150k km (Denza B8) and 5 years / Unlimited (Polestar 4).

Where each one leads

The Denza B8: more power (425kW against 200kW), the longer warranty (6 years against 5) and the higher braked towing limit (3,500kg against 1,500kg).

The Polestar 4: the lower starting price ($78,500 against $91,000) and the bigger boot with the seats up (526L against 147L).

The Verdict

Polestar 4 scores higher, 75 vs 69

The Polestar 4 scores 75 to the Denza B8's 69 on the CarSorted Score, and leads 4 of the 9 spec rows that separate them, at the lower price. The biggest gaps: performance (Denza B8 ahead by 29 points), value (Polestar 4 ahead by 10 points). Boot space with the seats up: 147L in the Denza B8, 526L in the Polestar 4. Warranty: 6 years on the Denza B8, 5 on the Polestar 4.

Common questions