BMW 5 Series vs Audi A3
A detailed look at how two of Australia's most popular cars 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 5 Series starts from $114,900 before on-road costs, while the Audi A3 opens at $54,800. That makes the Audi A3 the more affordable entry point by $60,100.
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 $126,390 and $60,280 respectively.
Over 5 years, the running costs favour the Audi A3 by roughly $1,995 in fuel alone.
Safety Rundown
Both the BMW 5 Series and Audi A3 hold a 5-star ANCAP safety rating. Adult occupant protection scored 89% for the BMW 5 Series and 89% for the Audi A3.
Where the two diverge is in active safety technology. The Audi A3 packs more ADAS features with 7 out of 10 key systems fitted, compared to 6 in the BMW 5 Series.
Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. Airbag count is 6 in the BMW 5 Series and 6 in the Audi A3.
Feature Showdown
The BMW 5 Series features a 14.9-inch touchscreen paired with a 12.3-inch digital dash, while the Audi A3 gets a 10.1-inch display and 12.3-inch instruments. Apple CarPlay and Android Auto are standard across both.
The BMW 5 Series stands out with wireless Apple CarPlay/Android Auto, head-up display, wireless charging, panoramic roof and Harman Kardon audio that you will not find on the Audi A3. The Audi A3 counters with Apple CarPlay and ambient lighting. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the BMW 5 Series gets sensatec synthetic leather upholstery while the Audi A3 offers leather.
Drivetrain
The BMW 5 Series uses a Petrol producing 150kW and 300Nm of torque, sent through a auto to a RWD layout. It covers the 0-100km/h sprint in 5.6 seconds.
The Audi A3 responds with a Petrol MHEV making 110kW and 250Nm, paired to a 7-speed s tronic driving the front wheels. It gets to 100km/h in 8.1 seconds.
The BMW 5 Series has the clear power advantage at 150kW vs 110kW. In the real-world sprint, the BMW 5 Series is 2.5s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The BMW 5 Series measures 5,060mm long on a 2,995mm wheelbase, 708mm longer than the Audi A3 at 4,352mm (2,635mm wheelbase). The longer wheelbase on the BMW 5 Series generally means more rear legroom.
Boot space is 520L in the BMW 5 Series and 325L in the Audi A3, giving the BMW 5 Series a 195L advantage.
For towing, the BMW 5 Series leads with a 2,000kg braked capacity vs 1,200kg. That 800kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
10.6m to 11.9m
Based on 11.9m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 10.6m 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 $1,910/year for the BMW 5 Series and $1,511/year for the Audi A3. That is a $399 annual difference in favour of the Audi A3.
Estimated annual total: $1,910 (BMW 5 Series) vs $1,511 (Audi A3). The Audi A3 saves you roughly $399 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (BMW 5 Series) vs 5 years / 999,999km (Audi A3). Both match on warranty length.
Who Should Buy Which?
Buy the BMW 5 Series if: You prioritise performance, need more boot space, need stronger towing, or prefer BMW's approach to design and ownership experience.
Buy the Audi A3 if: You want the lower entry price, want lower running costs, or prefer Audi's approach to design and ownership experience.
The Verdict
The BMW 5 Series takes 4 of 6 key spec categories. The Audi A3 will save you roughly $399 a year in fuel. If boot space matters, the BMW 5 Series 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, BMW 5 Series and Audi A3?
The Audi A3 is the cheapest at $54,800 before on-road costs. That undercuts the BMW 5 Series by $60,100.
Which is the most fuel-efficient?
The Audi A3 uses the least fuel at 5.3L/100km on the combined cycle.
Which is safest?
They are evenly matched — BMW 5 Series and Audi A3 all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The BMW 5 Series has the largest boot at 520L.
Which can tow the most?
The BMW 5 Series has the highest braked towing capacity at 2,000kg.
Which is the most powerful?
The BMW 5 Series makes the most power at 150kW. The BMW 5 Series is quickest to 100km/h in 5.6s.
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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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