MG MGS5 vs Polestar 4

Price and cost per week

Safety Rundown

Both the MG MGS5 and Polestar 4 hold a 5-star ANCAP safety rating, tested 2025. Adult occupant protection scored 90% for the MG MGS5 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 6 on the MG MGS5.

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

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 MG MGS5 features a 12.8-inch touchscreen paired with a 10.3-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 Polestar 4 counters with ventilated seats, Bowers & Wilkins audio and ambient lighting. Which feature set matters more depends on your daily routine and priorities.

Drivetrain

The MG MGS5 uses a Electric Motor producing 125kW and 250Nm of torque, sent through a automatic to a RWD layout. It covers the 0-100km/h sprint in 8.2 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 Polestar 4 has the clear power advantage at 200kW vs 125kW. In the 0-100 sprint (manufacturer-claimed), the Polestar 4 is 1.1s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

Battery: 49kWh (MG MGS5) vs 100kWh (Polestar 4). DC fast charging peaks at 120kW (MG MGS5) vs 200kW (Polestar 4).

Space & Comfort

The MG MGS5 measures 4,476mm long on a 2,730mm wheelbase, 364mm shorter 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 453L in the MG MGS5 and 526L in the Polestar 4, giving the Polestar 4 a 73L advantage.

For towing, the Polestar 4 leads with a 1,500kg braked capacity vs 750kg. That 750kg difference matters if you regularly hitch up.

The Polestar 4 turns in a 11.6 m circle, kerb to kerb; the MG MGS5's turning circle is not on our record.

Cost to own

At 15,000 km a year, electricity for the MG MGS5 costs about $811 a year (16.9 kWh/100km) and electricity for the Polestar 4 about $806 a year (16.8 kWh/100km), at $1.90 a litre and 32c a kWh. That is $5 a year less for the Polestar 4.

Warranty: 10 years / 250k km (MG MGS5) and 5 years / Unlimited (Polestar 4).

Where each one leads

The MG MGS5: the longer warranty (10 years against 5).

The Polestar 4: more power (200kW against 125kW), the bigger boot with the seats up (526L against 453L), the higher braked towing limit (1,500kg against 750kg) and lower fuel or energy costs on our assumptions ($806 a year against $811).

The Verdict

Polestar 4 scores higher, 75 vs 72

The Polestar 4 scores 75 to the MG MGS5's 72 on the CarSorted Score, and leads 7 of the 9 spec rows that separate them. The biggest gaps: performance (Polestar 4 ahead by 16 points), practicality (Polestar 4 ahead by 9 points), safety (Polestar 4 ahead by 6 points). At 15,000 km a year, electricity for the Polestar 4 costs about $5 less (16.8 kWh/100km against 16.9 kWh/100km, at 32c a kWh). Boot space with the seats up: 453L in the MG MGS5, 526L in the Polestar 4. Warranty: 10 years on the MG MGS5, 5 on the Polestar 4.

Common questions