BMW 5 Series vs Audi A6
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 5 Series starts from $114,900 before on-road costs, while the Audi A6 opens at $123,600. That makes the BMW 5 Series the more affordable entry point by $8,700.
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 $135,960 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 BMW 5 Series features a 14.9-inch touchscreen paired with a 12.3-inch digital dash, while the Audi A6 gets a 10.1-inch display. Apple CarPlay and Android Auto are standard across both.
The BMW 5 Series stands out with Harman Kardon audio that you will not find on the Audi A6. The Audi A6 counters with ventilated seats, Bang & Olufsen audio 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 A6 offers leather. Climate control is 2-zone in the BMW 5 Series and 3-zone in the Audi A6.
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 A6 responds with a Diesel making 210kW and 620Nm, paired to a automatic driving all four wheels. It gets to 100km/h in 5.6 seconds.
The Audi A6 has the clear power advantage at 210kW vs 150kW. 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, 121mm longer than the Audi A6 at 4,939mm (2,924mm wheelbase). The longer wheelbase on the BMW 5 Series generally means more rear legroom.
Boot space is 520L in the BMW 5 Series and 530L in the Audi A6, giving the Audi A6 a 10L advantage.
For towing, the Audi A6 leads with a 2,500kg braked capacity vs 2,000kg. That 500kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.7m 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 11.7m 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 $1,967/year for the Audi A6. That is a $57 annual difference in favour of the BMW 5 Series.
Estimated annual total: $1,910 (BMW 5 Series) vs $1,967 (Audi A6). The BMW 5 Series saves you roughly $57 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 A6). Both match on warranty length.
Who Should Buy Which?
Buy the BMW 5 Series if: You want the lower entry price, want lower running costs, or prefer BMW's approach to design and ownership experience.
Buy the Audi A6 if: You prioritise performance, need more boot space, need stronger towing, or prefer Audi's approach to design and ownership experience.
The Verdict
The Audi A6 takes 3 of 5 key spec categories. The BMW 5 Series will save you roughly $57 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, BMW 5 Series and Audi A6?
The BMW 5 Series is the cheapest at $114,900 before on-road costs. That undercuts the Audi A6 by $8,700.
Which is the most fuel-efficient?
The BMW 5 Series uses the least fuel at 6.7L/100km on the combined cycle.
Which is safest?
They are evenly matched — BMW 5 Series all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Audi A6 has the largest boot at 530L.
Which can tow the most?
The Audi A6 has the highest braked towing capacity at 2,500kg.
Which is the most powerful?
The Audi A6 makes the most power at 210kW.
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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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