Audi A1 vs Audi A3
A detailed look at how two of Australia's most popular Hatchbacks 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 Audi A1 starts from $51,500 before on-road costs, while the Audi A3 opens at $54,800. That makes the Audi A1 the more affordable entry point by $3,300.
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 $56,650 and $60,280 respectively.
Over 5 years, the running costs are nearly identical since both have similar efficiency.
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 A1 features a 8.8-inch touchscreen paired with a 10.3-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 Audi A1 stands out with wireless Apple CarPlay/Android Auto, head-up display and Bang & Olufsen audio that you will not find on the Audi A3. The Audi A3 counters with Apple CarPlay. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the Audi A1 gets synthetic leather upholstery while the Audi A3 offers leather.
Drivetrain
The Audi A1 uses a Petrol producing 152kW and 320Nm of torque, sent through a s tronic to a FWD layout. It covers the 0-100km/h sprint in 6.3 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 Audi A1 has the clear power advantage at 152kW vs 110kW. In the real-world sprint, the Audi A1 is 1.8s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Audi A1 measures 4,029mm long on a 2,563mm wheelbase, 323mm shorter than the Audi A3 at 4,352mm (2,635mm wheelbase). The longer wheelbase on the Audi A3 generally means more rear legroom.
Boot space is 335L in the Audi A1 and 325L in the Audi A3, giving the Audi A1 a 10L advantage.
For towing, the Audi A3 leads with a 1,200kg braked capacity vs 750kg. That 450kg 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 10.7m
Based on 10.7m 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 $1,596/year for the Audi A1 and $1,511/year for the Audi A3. That is a $85 annual difference in favour of the Audi A3.
Estimated annual total: $1,596 (Audi A1) vs $1,511 (Audi A3). The Audi A3 saves you roughly $85 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (Audi A1) vs 5 years / 999,999km (Audi A3). Both match on warranty length.
Who Should Buy Which?
Buy the Audi A1 if: You want the lower entry price, prioritise performance, need more boot space, or prefer Audi's approach to design and ownership experience.
Buy the Audi A3 if: You want lower running costs, need stronger towing, or prefer Audi's approach to design and ownership experience.
The Verdict
The Audi A1 takes 4 of 6 key spec categories and comes in at a lower price. The Audi A3 will save you roughly $85 a year in fuel. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Audi A1 and Audi A3?
The Audi A1 is the cheapest at $51,500 before on-road costs. That undercuts the Audi A3 by $3,300.
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 — 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 Audi A1 has the largest boot at 335L.
Which can tow the most?
The Audi A3 has the highest braked towing capacity at 1,200kg.
Which is the most powerful?
The Audi A1 makes the most power at 152kW. The Audi A1 is quickest to 100km/h in 6.3s.
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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