Porsche 911 vs Mercedes-Benz AMG GT
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.
Data checked: specs 28 Aug 2026, price 24 Jun 2026
Driver assistance, as the maker lists it
Swipe across. Tap a feature to see what it does and each car's source.
StandardOptional: printed price, +pack or NCO (no-cost)No, not offeredNo dataCounts beside each car use the same colours; ? is no option data.
From each manufacturer's Australian equipment list. No data means that car's document does not say. The drawings are our own illustrations of how each kind of system works.
$296,700RRP
- no option data for this car
$373,000RRP
- no option data for this car
Printed option prices only. A pack is counted once and makes the figure a floor when it carries no printed price. Nothing is inferred from the other car.
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Price Breakdown
The Porsche 911 starts from $296,700 before on-road costs, while the Mercedes-Benz AMG GT opens at $373,000. That makes the Porsche 911 the more affordable entry point by $76,300.
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 $326,370 and $410,300 respectively.
Over 5 years, the running costs favour the Porsche 911 by roughly $5,700 in fuel alone.
Safety Rundown
ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.
Recalls on our record
Porsche 911
- REC-006314 · published 18 Mar 2025Due to a manufacturing defect, the rear seat belt buckles may have been incorrectly anchored.Year range on the notice: 2023
- REC-005837 · published 28 Nov 2023Due to an incorrect software configuration, the side airbags installed in the seats may unnecessarily deploy in the event of an accident.Year range on the notice: 2021 - 2023
- REC-005566 · published 21 Nov 2022Due to a production error, the seat frame’s mounting bolts for both front seat belts may not have been tightened according to specifications and could become loose.Year range on the notice: 2021 - 2022
- 6 more on the model page.
Mercedes-Benz AMG GT
- REC-005923 · published 18 Mar 2024Due to a manufacturing defect, vehicle management systems connected to the fuse box may fail.Year range on the notice: 2023 - 2024
- REC-005552 · published 2 Nov 2022Due to a manufacturing defect, the bonding between the driveshaft and the engine/transmission flange may not be secured as intended.Year range on the notice: 2015 - 2017
- REC-005517 · published 5 Sep 2022Due to a manufacturing defect the transmission wiring harness may be damaged.Year range on the notice: 2018 - 2022
- 9 more on the model page.
A recall covers the builds its notice lists, not every car of a model. Check your VIN at vehiclerecalls.gov.au.
Feature Showdown
Both come with modern infotainment systems.
The Mercedes-Benz AMG GT counters with Apple CarPlay, head-up display, panoramic roof, heated front seats, ventilated seats, power tailgate and Burmester audio. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the Porsche 911 gets leather upholstery while the Mercedes-Benz AMG GT offers nappa leather.
Drivetrain
The Porsche 911 uses a Petrol producing 290kW and 450Nm of torque, sent through a 8-speed pdk to a RWD layout. It covers the 0-100km/h sprint in 4.1 seconds.
The Mercedes-Benz AMG GT responds with a Petrol making 430kW and 800Nm, paired to a 9-speed auto driving all four wheels. It gets to 100km/h in 3.2 seconds.
The Mercedes-Benz AMG GT has the clear power advantage at 430kW vs 290kW. In the 0-100 sprint (manufacturer-claimed), the Mercedes-Benz AMG GT is 0.9s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Porsche 911 measures 4,533mm long on a 2,450mm wheelbase, 195mm shorter than the Mercedes-Benz AMG GT at 4,728mm (2,700mm wheelbase). The longer wheelbase on the Mercedes-Benz AMG GT generally means more rear legroom.
Boot space is 135L in the Porsche 911 and 321L in the Mercedes-Benz AMG GT, giving the Mercedes-Benz AMG GT a 186L advantage.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.2m to 12.5m
Based on 11.2m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 12.5m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
Compare U-turns side by side
Turning Circle · U-turn compare
kerb-to-kerb, 2 cars0 of 2 clear a 7.0 m street in one sweep
Green cars complete the U-turn; amber need a 3-point turn. Drag the slider to test tighter streets.
Standard widths: AU local streets ~5.5–7 m; main roads ~9–12 m.
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $3,021/year for the Porsche 911 and $4,161/year for the Mercedes-Benz AMG GT. That is a $1,140 annual difference in favour of the Porsche 911.
Warranty: 3 years / 999,999km (Porsche 911) vs 5 years / 999,999km (Mercedes-Benz AMG GT). The Mercedes-Benz AMG GT has longer coverage.
Who Should Buy Which?
Buy the Porsche 911 if: You want the lower entry price, want lower running costs, or prefer Porsche's approach to design and ownership experience.
Buy the Mercedes-Benz AMG GT if: You prioritise performance, need more boot space, value a longer warranty, or prefer Mercedes-Benz's approach to design and ownership experience.
The Verdict
The CarSorted Score calls this a draw (40 vs 48). The Porsche 911 and Mercedes-Benz AMG GT trade blows across the spec sheet, and neither runs away with an outright win. The Porsche 911 will save you roughly $1,140 a year in fuel. If boot space matters, the Mercedes-Benz AMG GT has a clear edge. The Mercedes-Benz AMG GT 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.
Common questions
Which is cheapest, Porsche 911 and Mercedes-Benz AMG GT?
The Porsche 911 is the cheapest at $296,700 before on-road costs. That undercuts the Mercedes-Benz AMG GT by $76,300.
Which is the most fuel-efficient?
The Porsche 911 uses the least fuel at 10.6L/100km on the combined cycle.
What are the ANCAP safety ratings?
None of Porsche 911 and Mercedes-Benz AMG GT carry a published ANCAP rating yet, so there is no crash result to compare. Check back as they are tested.
Which has the most boot space?
The Mercedes-Benz AMG GT has the largest boot at 321L with the seats up.
Which has the best warranty?
The Mercedes-Benz AMG GT has the longest warranty at 5 years / Unlimited.
Which is the most powerful?
The Mercedes-Benz AMG GT makes the most power at 430kW. The Mercedes-Benz AMG GT is quickest to 100km/h in 3.2s.
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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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