Mercedes-Benz AMG GT vs BMW M8
A detailed look at how two of Australia's most popular cars 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.
Mercedes-Benz AMG GT
From $373,000
Coupe
Petrol
Petrol
430kW
14.1 L/100km
ANCAP: no data
321L
BMW M8
From $377,000
Sedan
Petrol
Petrol
460kW
10.7 L/100km
ANCAP: no data
440L
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Price Breakdown
The Mercedes-Benz AMG GT starts from $373,000 before on-road costs, while the BMW M8 opens at $377,000. That makes the Mercedes-Benz AMG GT the more affordable entry point by $4,000.
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 $414,700 respectively.
Over 5 years, the running costs favour the BMW M8 by roughly $4,845 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.
Feature Showdown
Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.
The Mercedes-Benz AMG GT stands out with Apple CarPlay and Burmester audio that you will not find on the BMW M8. The BMW M8 counters with wireless Apple CarPlay/Android Auto, wireless charging, Bowers & Wilkins audio and ambient lighting. 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 BMW M8 offers merino leather.
Drivetrain
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 BMW M8 responds with a Petrol making 460kW and 750Nm, paired to a auto driving all four wheels. It gets to 100km/h in 3.2 seconds.
The BMW M8 has the clear power advantage at 460kW vs 430kW. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Mercedes-Benz AMG GT measures 4,728mm long on a 2,700mm wheelbase, 370mm shorter than the BMW M8 at 5,098mm (3,027mm wheelbase). The longer wheelbase on the BMW M8 generally means more rear legroom.
Boot space is 321L in the Mercedes-Benz AMG GT and 440L in the BMW M8, giving the BMW M8 a 119L advantage.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.4m to 12.5m
Based on 12.5m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
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 $4,019/year for the Mercedes-Benz AMG GT and $3,050/year for the BMW M8. That is a $969 annual difference in favour of the BMW M8.
Estimated annual total: $4,019 (Mercedes-Benz AMG GT) vs $3,050 (BMW M8). The BMW M8 saves you roughly $969 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 5 years / 999,999km (BMW M8). Both match on warranty length.
Who Should Buy Which?
Buy the Mercedes-Benz AMG GT if: You want the lower entry price, or prefer Mercedes-Benz's approach to design and ownership experience.
Buy the BMW M8 if: You prioritise performance, need more boot space, want lower running costs, or prefer BMW's approach to design and ownership experience.
The Verdict
The BMW M8 takes 3 of 4 key spec categories. The BMW M8 will save you roughly $969 a year in fuel. If boot space matters, the BMW M8 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, Mercedes-Benz AMG GT and BMW M8?
The Mercedes-Benz AMG GT is the cheapest at $373,000 before on-road costs. That undercuts the BMW M8 by $4,000.
Which is the most fuel-efficient?
The BMW M8 uses the least fuel at 10.7L/100km on the combined cycle.
What are the ANCAP safety ratings?
None of Mercedes-Benz AMG GT and BMW M8 carry a published ANCAP rating yet — check back as they are tested.
Which has the most boot space?
The BMW M8 has the largest boot at 440L.
Which is the most powerful?
The BMW M8 makes the most power at 460kW.
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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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