BMW M8 vs Mercedes-Benz AMG GT
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.
BMW M8
From $377,000
Sedan
Petrol
Petrol
460kW
10.7 L/100km
ANCAP: no data
440L
Mercedes-Benz AMG GT
From $373,000
Coupe
Petrol
Petrol
430kW
14.1 L/100km
ANCAP: no data
321L
Track the BMW M8 & Mercedes-Benz AMG GT
Get price-drop alerts on these models plus our free weekly new-car rundown. Unsubscribe anytime.
Price Breakdown
The BMW M8 starts from $377,000 before on-road costs, while the Mercedes-Benz AMG GT opens at $373,000. 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 $414,700 and $410,300 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 BMW M8 stands out with wireless Apple CarPlay/Android Auto, wireless charging, Bowers & Wilkins audio and ambient lighting that you will not find on the Mercedes-Benz AMG GT. The Mercedes-Benz AMG GT counters with Apple CarPlay and Burmester audio. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the BMW M8 gets merino leather upholstery while the Mercedes-Benz AMG GT offers nappa leather.
Drivetrain
The BMW M8 uses a Petrol producing 460kW and 750Nm of torque, sent through a auto to a AWD layout. It covers the 0-100km/h sprint in 3.2 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 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 BMW M8 measures 5,098mm long on a 3,027mm wheelbase, 370mm longer than the Mercedes-Benz AMG GT at 4,728mm (2,700mm wheelbase). The longer wheelbase on the BMW M8 generally means more rear legroom.
Boot space is 440L in the BMW M8 and 321L in the Mercedes-Benz AMG GT, giving the BMW M8 a 119L advantage.
0Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.4m to 12.5m
Based on 11.4m 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
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $3,050/year for the BMW M8 and $4,019/year for the Mercedes-Benz AMG GT. That is a $969 annual difference in favour of the BMW M8.
Estimated annual total: $3,050 (BMW M8) vs $4,019 (Mercedes-Benz AMG GT). 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 (BMW M8) vs 5 years / 999,999km (Mercedes-Benz AMG GT). Both match on warranty length.
Who Should Buy Which?
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.
Buy the Mercedes-Benz AMG GT if: You want the lower entry price, or prefer Mercedes-Benz'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, BMW M8 and Mercedes-Benz AMG GT?
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 BMW M8 and Mercedes-Benz AMG GT 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.
Free: Chinese Cars in Australia Cheat Sheet
Sign up free and we'll email you our Chinese Cars Cheat Sheet (PDF) — all 22 brands ranked on service, parts, warranty and dealer experience. Plus new-car launches, reviews and founding-member pricing on the upcoming CarSorted Pro Report. No spam, unsubscribe anytime.
By subscribing, you agree to receive marketing emails. You can unsubscribe at any time. View our Privacy Policy.
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
Comments (0)
Sign in to join the conversation
No comments yet. Be the first!
