Audi A5 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.
Audi A5
From $79,900
Sedan
Petrol
4-cylinder petrol with direct fuel injection, turbocharging
150kW
6.9 L/100km
5★ ANCAP
445L
BMW M3
From $163,700
Sedan
Petrol
Petrol
353kW
10.1 L/100km
ANCAP: no data
480L
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Price Breakdown
The Audi A5 starts from $79,900 before on-road costs, while the BMW M3 opens at $163,700. That makes the Audi A5 the more affordable entry point by $83,800.
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 $87,890 and $180,070 respectively.
Over 5 years, the running costs favour the Audi A5 by roughly $4,560 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
The Audi A5 features a 14.5-inch touchscreen paired with a 11.9-inch digital dash, while the BMW M3 gets a 12.3-inch display and 12.3-inch instruments. Apple CarPlay and Android Auto are standard across both.
The Audi A5 stands out with Bang & Olufsen audio that you will not find on the BMW M3. The BMW M3 counters with panoramic roof and Harman Kardon audio. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the Audi A5 gets leather upholstery while the BMW M3 offers merino leather. Climate control is 3-zone in the Audi A5 and 2-zone in the BMW M3.
Drivetrain
The Audi A5 uses a 4-cylinder petrol with direct fuel injection, turbocharging producing 150kW and 340Nm of torque, sent through a 7-speed s tronic to a FWD layout. It covers the 0-100km/h sprint in 7.8 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 4.2 seconds.
The BMW M3 has the clear power advantage at 353kW vs 150kW. In the real-world sprint, the BMW M3 is 3.6s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Audi A5 measures 4,829mm long on a 2,892mm wheelbase, 28mm longer than the BMW M3 at 4,801mm (2,857mm wheelbase). The longer wheelbase on the Audi A5 generally means more rear legroom.
Boot space is 445L in the Audi A5 and 480L in the BMW M3, giving the BMW M3 a 35L advantage.
For towing, the BMW M3 leads with a 1,800kg braked capacity vs 1,800kg. That 0kg 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 11.4m
Based on 11.4m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.0m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
Compare U-turns side by side
Turning Circle · U-turn compare
kerb-to-kerb, 2 cars0 of 2 clear a 7.0 m street in one sweep
Green cars complete the U-turn; amber need a 3-point turn. Drag the slider to test tighter streets.
Standard widths: AU local streets ~5.5–7 m; main roads ~9–12 m.
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $1,967/year for the Audi A5 and $2,879/year for the BMW M3. That is a $912 annual difference in favour of the Audi A5.
Estimated annual total: $1,967 (Audi A5) vs $2,879 (BMW M3). The Audi A5 saves you roughly $912 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (Audi A5) vs 5 years / 999,999km (BMW M3). Both match on warranty length.
Who Should Buy Which?
Buy the Audi A5 if: You want the lower entry price, want lower running costs, or prefer Audi's approach to design and ownership experience.
Buy the BMW M3 if: You prioritise performance, need more boot space, or prefer BMW's approach to design and ownership experience.
The Verdict
The BMW M3 takes 3 of 5 key spec categories. The Audi A5 will save you roughly $912 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, Audi A5 and BMW M3?
The Audi A5 is the cheapest at $79,900 before on-road costs. That undercuts the BMW M3 by $83,800.
Which is the most fuel-efficient?
The Audi A5 uses the least fuel at 6.9L/100km on the combined cycle.
Which is safest?
They are evenly matched — Audi A5 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 Audi A5 has the highest braked towing capacity at 1,800kg.
Which is the most powerful?
The BMW M3 makes the most power at 353kW. The BMW M3 is quickest to 100km/h in 4.2s.
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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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