Porsche 911 vs Mercedes-Benz AMG GT

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 $6,700 in fuel alone.

ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.

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 that the Porsche 911 does not offer. 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.

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 real-world sprint, 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.

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 132L in the Porsche 911 and 321L in the Mercedes-Benz AMG GT, giving the Mercedes-Benz AMG GT a 189L advantage.

Based on 15,000km of annual driving, fuel costs roughly $2,679/year for the Porsche 911 and $4,019/year for the Mercedes-Benz AMG GT. That is a $1,340 annual difference in favour of the Porsche 911.

Estimated annual total: $2,679 (Porsche 911) vs $4,019 (Mercedes-Benz AMG GT). The Porsche 911 saves you roughly $1,340 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.

Warranty: 3 years / 999,999km (Porsche 911) vs 5 years / 999,999km (Mercedes-Benz AMG GT). The Mercedes-Benz AMG GT has longer coverage.