Mercedes-Benz AMG GT vs BMW 8 Series
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
14.6 L/100km
ANCAP: no data
321L
BMW 8 Series
From $294,900
Gran Coupe
Petrol
Petrol
390kW
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 8 Series opens at $294,900. That makes the BMW 8 Series the more affordable entry point by $78,100.
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 $410,300 and $324,390 respectively.
Over 5 years, the running costs favour the BMW 8 Series by roughly $5,555 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 8 Series. The BMW 8 Series counters with wireless Apple CarPlay/Android Auto, wireless charging and Bowers & Wilkins audio. 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 8 Series offers vernasca 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 8 Series responds with a Petrol making 390kW and 750Nm, paired to a auto driving all four wheels. It gets to 100km/h in 3.9 seconds.
The Mercedes-Benz AMG GT has the clear power advantage at 430kW vs 390kW. In the real-world sprint, the Mercedes-Benz AMG GT is 0.7s 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, 354mm shorter than the BMW 8 Series at 5,082mm (3,023mm wheelbase). The longer wheelbase on the BMW 8 Series generally means more rear legroom.
Boot space is 321L in the Mercedes-Benz AMG GT and 440L in the BMW 8 Series, giving the BMW 8 Series a 119L advantage.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
12.5m to 12.6m
Based on 12.5m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 12.6m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
Compare U-turns side by side
Turning Circle · U-turn compare
kerb-to-kerb, 2 cars0 of 2 clear a 7.0 m street in one sweep
Green cars complete the U-turn; amber need a 3-point turn. Drag the slider to test tighter streets.
Standard widths: AU local streets ~5.5–7 m; main roads ~9–12 m.
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $4,161/year for the Mercedes-Benz AMG GT and $3,050/year for the BMW 8 Series. That is a $1,111 annual difference in favour of the BMW 8 Series.
Estimated annual total: $4,161 (Mercedes-Benz AMG GT) vs $3,050 (BMW 8 Series). The BMW 8 Series saves you roughly $1,111 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 8 Series). Both match on warranty length.
Who Should Buy Which?
Buy the Mercedes-Benz AMG GT if: You prioritise performance, or prefer Mercedes-Benz's approach to design and ownership experience.
Buy the BMW 8 Series if: You want the lower entry price, need more boot space, want lower running costs, or prefer BMW's approach to design and ownership experience.
The Verdict
The BMW 8 Series takes 3 of 5 key spec categories and comes in at a lower price. The BMW 8 Series will save you roughly $1,111 a year in fuel. If boot space matters, the BMW 8 Series 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 8 Series?
The BMW 8 Series is the cheapest at $294,900 before on-road costs. That undercuts the Mercedes-Benz AMG GT by $78,100.
Which is the most fuel-efficient?
The BMW 8 Series 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 8 Series carry a published ANCAP rating yet — check back as they are tested.
Which has the most boot space?
The BMW 8 Series has the largest boot at 440L.
Which is the most powerful?
The Mercedes-Benz AMG GT makes the most power at 430kW. The Mercedes-Benz AMG GT is quickest to 100km/h in 3.2s.
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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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