Polestar 5 vs BMW M3
A detailed look at how two of Australia's most popular Sedans compare on price, running costs, safety, and everyday livability.
Specifications and pricing correct at time of publishing. Prices are RRP before on-road costs unless stated otherwise. Always confirm with the manufacturer or dealer before purchasing.
Price Breakdown
The Polestar 5 starts from $174,628 before on-road costs, while the BMW M3 opens at $163,700. That makes the BMW M3 the more affordable entry point by $10,928.
Once you factor in stamp duty, registration, CTP insurance, and dealer delivery, expect to add roughly 8-12% on top of the RRP depending on your state. That puts estimated driveaway prices in the ballpark of $192,091 and $180,070 respectively.
The Polestar 5 qualifies for FBT exemption as an electric vehicle, which can dramatically reduce the effective cost for novated lease buyers. The BMW M3, as a petrol model, does not qualify.
Over 5 years, the running costs favour the Polestar 5 by roughly $10,315 in fuel alone.
Safety Rundown
ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.
Feature Showdown
Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.
The Polestar 5 stands out with V2L and Bowers & Wilkins audio that you will not find on the BMW M3. The BMW M3 counters with panoramic roof, ventilated seats, Harman Kardon audio and ambient lighting. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Polestar 5 uses a Electric Motor producing 650kW and 900Nm of torque, sent through a automatic to a AWD layout. It covers the 0-100km/h sprint in 3.2 seconds.
The BMW M3 responds with a Petrol making 353kW and 550Nm, paired to a manual driving the rear wheels. It gets to 100km/h in 3.5 seconds.
The Polestar 5 has the clear power advantage at 650kW vs 353kW. In the real-world sprint, the Polestar 5 is 0.3s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Polestar 5 measures 5,008mm long on a 3,000mm wheelbase, 299mm longer than the BMW M3 at 4,709mm (2,851mm wheelbase). The longer wheelbase on the Polestar 5 generally means more rear legroom.
Boot space is 365L in the Polestar 5 and 480L in the BMW M3, giving the BMW M3 a 115L advantage.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.0m diameter
Good
Based on 11.0m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $816/year for the Polestar 5 and $2,879/year for the BMW M3. That is a $2,063 annual difference in favour of the Polestar 5.
Estimated annual total: $816 (Polestar 5) vs $2,879 (BMW M3). The Polestar 5 saves you roughly $2,063 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (Polestar 5) vs 5 years / 999,999km (BMW M3). Both match on warranty length.
Who Should Buy Which?
Buy the Polestar 5 if: You prioritise performance, want lower running costs, or prefer Polestar's approach to design and ownership experience.
Buy the BMW M3 if: You want the lower entry price, need more boot space, or prefer BMW's approach to design and ownership experience.
The Verdict
This is genuinely close. The Polestar 5 and BMW M3 trade blows across the spec sheet, and neither runs away with an outright win. The Polestar 5 will save you roughly $2,063 a year in fuel. If boot space matters, the BMW M3 has a clear edge. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Polestar 5 and BMW M3?
The BMW M3 is the cheapest at $163,700 before on-road costs. That undercuts the Polestar 5 by $10,928.
Which is the most fuel-efficient?
The BMW M3 uses the least fuel at 10.1L/100km on the combined cycle.
Which is safest?
They are evenly matched — BMW M3 all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The BMW M3 has the largest boot at 480L.
Which can tow the most?
The BMW M3 has the highest braked towing capacity at 1,800kg.
Which is the most powerful?
The Polestar 5 makes the most power at 650kW. The Polestar 5 is quickest to 100km/h in 3.2s.
Disclaimer: All information in this comparison was believed to be correct at the time of publishing (20 April 2026). Prices are manufacturer recommended retail prices (RRP) and may vary by state, dealer, and options. Driveaway costs include estimated on-road costs for Victoria. Fuel economy figures are WLTP/ADR combined cycle. Specifications can change without notice. Always verify with the manufacturer before making a purchase decision. CarSorted does not accept payment for recommendations.
Auto-generated from CarSorted's specification data · 20 April 2026
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