Mercedes-Benz AMG GT vs BMW M8
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 Mercedes-Benz AMG GT starts from $339,900 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 $37,100.
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 $373,890 and $414,700 respectively.
Over 5 years, the running costs favour the BMW M8 by roughly $2,135 in fuel alone.
Safety Rundown
Both the Mercedes-Benz AMG GT and BMW M8 hold a 5-star ANCAP safety rating.
Where the two diverge is in active safety technology. The BMW M8 packs more ADAS features with 7 out of 10 key systems fitted, compared to 6 in the Mercedes-Benz AMG GT.
Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. The BMW M8 adds a 360-degree camera that the Mercedes-Benz AMG GT misses.
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.
Drivetrain
The Mercedes-Benz AMG GT uses a Petrol producing 430kW and 700Nm 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 5 seconds.
The BMW M8 has the clear power advantage at 460kW vs 430kW. In the real-world sprint, the Mercedes-Benz AMG GT is 1.8s quicker. 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 420L in the BMW M8, giving the BMW M8 a 99L advantage.
Turning 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 $3,705/year for the Mercedes-Benz AMG GT and $3,278/year for the BMW M8. That is a $427 annual difference in favour of the BMW M8.
Estimated annual total: $3,705 (Mercedes-Benz AMG GT) vs $3,278 (BMW M8). The BMW M8 saves you roughly $427 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 5 key spec categories. The BMW M8 will save you roughly $427 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.
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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