BMW 8 Series vs Porsche 911
A detailed look at how two of Australia's most popular Coupes 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 8 Series starts from $294,900 before on-road costs, while the Porsche 911 opens at $248,400. That makes the Porsche 911 the more affordable entry point by $46,500.
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 $324,390 and $273,240 respectively.
Over 5 years, the running costs favour the BMW 8 Series by roughly $1,995 in fuel alone.
Safety Rundown
Both the BMW 8 Series and Porsche 911 hold a 5-star ANCAP safety rating.
Where the two diverge is in active safety technology. The BMW 8 Series packs more ADAS features with 7 out of 10 key systems fitted, compared to 0 in the Porsche 911.
Both include the essentials: a reversing camera. The BMW 8 Series adds a 360-degree camera that the Porsche 911 misses.
Feature Showdown
Both come with modern infotainment systems.
The BMW 8 Series stands out with wireless Apple CarPlay/Android Auto, head-up display, wireless charging, panoramic roof, heated front seats, ventilated seats, power tailgate and Bowers & Wilkins audio that you will not find on the Porsche 911. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The BMW 8 Series uses a Petrol producing 390kW and 750Nm of torque, sent through a auto to a AWD layout. It covers the 0-100km/h sprint in 3.8 seconds.
The Porsche 911 responds with a Petrol making 290kW and 450Nm, paired to a 8-speed pdk driving the rear wheels. It gets to 100km/h in 4.1 seconds.
The BMW 8 Series has the clear power advantage at 390kW vs 290kW. In the real-world sprint, the BMW 8 Series is 0.3s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The BMW 8 Series measures 5,082mm long on a 3,023mm wheelbase, 549mm longer than the Porsche 911 at 4,533mm (2,450mm wheelbase). The longer wheelbase on the BMW 8 Series generally means more rear legroom.
Boot space is 110L in the BMW 8 Series and 132L in the Porsche 911, giving the Porsche 911 a 22L advantage.
0Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.4m diameter
Average
Based on 11.4m 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 $2,765/year for the BMW 8 Series and $3,164/year for the Porsche 911. That is a $399 annual difference in favour of the BMW 8 Series.
Estimated annual total: $2,765 (BMW 8 Series) vs $3,164 (Porsche 911). The BMW 8 Series 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 8 Series) vs 3 years / 999,999km (Porsche 911). The BMW 8 Series has longer coverage.
Who Should Buy Which?
Buy the BMW 8 Series if: You prioritise performance, want lower running costs, value a longer warranty, or prefer BMW's approach to design and ownership experience.
Buy the Porsche 911 if: You want the lower entry price, need more boot space, or prefer Porsche's approach to design and ownership experience.
The Verdict
The BMW 8 Series takes 4 of 6 key spec categories. The BMW 8 Series will save you roughly $399 a year in fuel. The BMW 8 Series adds peace of mind with a longer 5-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
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.
Published by CarSorted Editorial Team · 20 April 2026
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