Alpina B3 vs Audi RS6
A detailed look at how two of Australia's most popular Wagons 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.
Overseas model shownAlpina B3
Price TBC
Wagon
Petrol
—
364kW
10.1 L/100km
ANCAP: no data
500L
Audi RS6
From $241,500
Wagon
Petrol
Petrol
463kW
11.8 L/100km
ANCAP: no data
565L
Alpina B3: we're still completing price, width, seat count, transmission and warranty, plus 2 others.
A blank cell below means we don't have that figure, not that the car scores badly on it. We leave them empty rather than estimate, so any row where one car is blank isn't a like-for-like comparison yet.
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Price Breakdown
Pricing for one or both models is yet to be confirmed for the Australian market. We will update this comparison when official RRPs are announced.
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
Both come with modern infotainment systems.
Drivetrain
The Alpina B3 lines up producing 364kW and 730Nm of torque, sent through its transmission to a AWD layout. It covers the 0-100km/h sprint in 3.7 seconds.
The Audi RS6 responds with a Petrol making 463kW and 850Nm, paired to a 8-speed tiptronic driving all four wheels. It gets to 100km/h in 3.4 seconds.
The Audi RS6 has the clear power advantage at 463kW vs 364kW. In the real-world sprint, the Audi RS6 is 0.3s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Alpina B3 measures 4,723mm long on a 2,851mm wheelbase, 272mm shorter than the Audi RS6 at 4,995mm (2,929mm wheelbase). The longer wheelbase on the Audi RS6 generally means more rear legroom.
Boot space is 500L in the Alpina B3 and 565L in the Audi RS6, giving the Audi RS6 a 65L advantage.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
12.1m diameter
Large
Based on 12.1m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
Interactive simulator: U-turns, parking & towing
Turning Circle
Kerb-to-kerb diameter. Smaller turns are easier in tight carparks and U-turns.
Large
Needs a 3-point turn (one reverse)
Needs about 10.6 m to swing round without stopping. Road is 9.0 m.
U-turn on a wide street
≥ 10 m: 3-point turn
U-turn on a standard street
7 m: 3-point turn
Standard parking bay
2.0 m wide: fits with room
Tight carpark aisle
6 m: careful, tight swing
Narrow laneway
3.5 m: no room to turn
Turning circle ratings
Standard widths: AU local streets carry ~5.5–7 m of carriageway; main roads ~9–12 m. AS 2890.1 carpark aisles are ~5.8–6.6 m for 90° bays (2.6 m wide × 5.4 m deep).
Road, aisle, swing and off-tracking figures are indicative estimates from the published turning circle. Verify in person before relying on them.
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $2,879/year for the Alpina B3 and $3,363/year for the Audi RS6. That is a $484 annual difference in favour of the Alpina B3.
Estimated annual total: $2,879 (Alpina B3) vs $3,363 (Audi RS6). The Alpina B3 saves you roughly $484 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Who Should Buy Which?
Buy the Alpina B3 if: You want lower running costs, or prefer Alpina's approach to design and ownership experience.
Buy the Audi RS6 if: You prioritise performance, need more boot space, or prefer Audi's approach to design and ownership experience.
The Verdict
The Audi RS6 takes 3 of 4 key spec categories. The Alpina B3 will save you roughly $484 a year in fuel. If boot space matters, the Audi RS6 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, Alpina B3 and Audi RS6?
The Audi RS6 is the cheapest at $241,500 before on-road costs.
Which is the most fuel-efficient?
The Alpina B3 uses the least fuel at 10.1L/100km on the combined cycle.
What are the ANCAP safety ratings?
None of Alpina B3 and Audi RS6 carry a published ANCAP rating yet — check back as they are tested.
Which has the most boot space?
The Audi RS6 has the largest boot at 565L.
Which can tow the most?
The Alpina B3 has the highest braked towing capacity at 1,800kg.
Which is the most powerful?
The Audi RS6 makes the most power at 463kW. The Audi RS6 is quickest to 100km/h in 3.4s.
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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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