BMW M3 vs Alfa Romeo Giulia
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 BMW M3 starts from $163,700 before on-road costs, while the Alfa Romeo Giulia opens at $75,900. That makes the Alfa Romeo Giulia the more affordable entry point by $87,800.
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 $180,070 and $83,490 respectively.
Over 5 years, the running costs favour the Alfa Romeo Giulia by roughly $3,850 in fuel alone.
Safety Rundown
Both the BMW M3 and Alfa Romeo Giulia hold a 5-star ANCAP safety rating. Adult occupant protection scored 97% for the BMW M3 and 98% for the Alfa Romeo Giulia.
Where the two diverge is in active safety technology. The Alfa Romeo Giulia packs more ADAS features with 7 out of 10 key systems fitted, compared to 6 in the BMW M3.
Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. Airbag count is 6 in the BMW M3 and 6 in the Alfa Romeo Giulia.
Feature Showdown
The BMW M3 features a 12.3-inch touchscreen, while the Alfa Romeo Giulia gets a 8.8-inch display. Apple CarPlay and Android Auto are standard across both.
The BMW M3 stands out with head-up display, panoramic roof, heated front seats, ventilated seats and power tailgate that you will not find on the Alfa Romeo Giulia. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The BMW M3 uses a Petrol producing 353kW and 550Nm of torque, sent through a manual to a RWD layout. It covers the 0-100km/h sprint in 3.5 seconds.
The Alfa Romeo Giulia responds with a Petrol making 206kW and 400Nm, paired to a automatic driving the rear wheels. It gets to 100km/h in 5.2 seconds.
The BMW M3 has the clear power advantage at 353kW vs 206kW. In the real-world sprint, the BMW M3 is 1.7s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The BMW M3 measures 4,709mm long on a 2,851mm wheelbase, 66mm longer than the Alfa Romeo Giulia at 4,643mm (2,820mm wheelbase). The longer wheelbase on the BMW M3 generally means more rear legroom.
Boot space is 480L in the BMW M3 and 480L in the Alfa Romeo Giulia.
For towing, the BMW M3 leads with a 1,800kg braked capacity vs 1,600kg. That 200kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.0m to 11.6m
Based on 11.0m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.6m 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 $2,879/year for the BMW M3 and $2,109/year for the Alfa Romeo Giulia. That is a $770 annual difference in favour of the Alfa Romeo Giulia.
Estimated annual total: $2,879 (BMW M3) vs $2,109 (Alfa Romeo Giulia). The Alfa Romeo Giulia saves you roughly $770 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (BMW M3) vs 5 years / 150,000km (Alfa Romeo Giulia). Both match on warranty length.
Who Should Buy Which?
Buy the BMW M3 if: You prioritise performance, need stronger towing, or prefer BMW's approach to design and ownership experience.
Buy the Alfa Romeo Giulia if: You want the lower entry price, want lower running costs, or prefer Alfa Romeo's approach to design and ownership experience.
The Verdict
The BMW M3 takes 3 of 5 key spec categories. The Alfa Romeo Giulia will save you roughly $770 a year in fuel. The best pick depends on what you value most. Explore the full specs for each model below.
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.
Published by CarSorted Editorial Team · 20 April 2026
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