Mercedes-Benz AMG GT vs Porsche 911

The Mercedes-Benz AMG GT starts from $373,000 before on-road costs, while the Porsche 911 opens at $296,700. 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 $410,300 and $326,370 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 stands out with Apple CarPlay, head-up display, panoramic roof, heated front seats, ventilated seats, power tailgate and Burmester audio that you will not find on the Porsche 911. Which feature set matters more depends on your daily routine and priorities.

Interior trim differs: the Mercedes-Benz AMG GT gets nappa leather upholstery while the Porsche 911 offers leather.

The Mercedes-Benz AMG GT uses a Petrol producing 430kW and 800Nm of torque, sent through a 9-speed auto to a AWD layout. It covers the 0-100km/h sprint in 3.2 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 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 Mercedes-Benz AMG GT measures 4,728mm long on a 2,700mm wheelbase, 195mm longer than the Porsche 911 at 4,533mm (2,450mm wheelbase). The longer wheelbase on the Mercedes-Benz AMG GT generally means more rear legroom.

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

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

Estimated annual total: $4,019 (Mercedes-Benz AMG GT) vs $2,679 (Porsche 911). 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: 5 years / 999,999km (Mercedes-Benz AMG GT) vs 3 years / 999,999km (Porsche 911). The Mercedes-Benz AMG GT has longer coverage.