Is the BMW M5 a Supercar?

Is the BMW M5 a supercar? It is better described as a super saloon: a high-performance luxury sedan with acceleration that overlaps supercar territory. That distinction matters. The M5 combines serious speed with four doors, usable rear seats and a conventional boot, rather than making the compromises of a dedicated exotic sports car.

There is no universally agreed performance threshold that turns a car into a supercar. The useful question is how the M5 delivers its performance, and which version you mean. The petrol-powered F90 M5 Competition, limited-run M5 CS and newer G90 plug-in hybrid are quite different propositions.

Why the BMW M5 is a super saloon

“Supercar” usually describes a car whose design prioritises exceptional performance and the driving experience, often with dramatic proportions, limited luggage space and two seats. Those are common characteristics, not a compulsory checklist. An engine behind the driver, an exotic badge or a high price does not settle the classification on its own.

The M5 starts with the layout and purpose of BMW’s executive sedan. Its appeal is the combination: performance for an enthusiastic drive, plus space for passengers and the weekly shop. Calling it a super saloon recognises those priorities without understating its capabilities. Four doors are rather handy when your passengers would prefer not to climb over a seat bolster.

BMW M5 performance: F90, Competition, CS and G90

These manufacturer figures show why the generation and badge matter. They are for standard, unmodified sedans, not the M5 Touring, and are not Tech Drive Play test results.

Model	Powertrain and drive	Maximum output	Claimed 0–100 km/h
F90 M5	4.4-litre twin-turbo V8, M xDrive AWD	441 kW	3.4 seconds
F90 M5 Competition	4.4-litre twin-turbo V8, M xDrive AWD	460 kW	3.3 seconds
F90 M5 CS	4.4-litre twin-turbo V8, M xDrive AWD	467 kW	3.0 seconds
G90 M5	4.4-litre twin-turbo V8 plug-in hybrid, M xDrive AWD	535 kW combined	3.5 seconds

Sources: BMW’s F90 M5 and M5 Competition specifications, M5 CS technical overview and Australian G90 M5 technical data.

The CS makes the strongest case for the “supercar in a sedan” description. BMW reduced its weight by around 70 kg compared with the M5 Competition, fitted carbon bucket front seats and replaced the rear bench with two individual seats. It therefore seats four, unlike the usual five-seat M5 layout. Its greater focus comes with a practical trade-off.

The G90 takes another route. Its combined 535 kW and 1,000 Nm come from a V8 and electric motor working together. More power does not automatically mean a quicker standing start: its quoted 3.5-second sprint is slower than the F90 Competition’s 3.3 seconds. Acceleration also depends on mass, traction, gearing and how the power is delivered.

Can an M5 match a supercar?

In a standing-start sprint, some versions can be competitive with cars widely considered supercars. As a historical reference, Ferrari quoted under 3.4 seconds to 100 km/h for the 458 Italia. That puts the F90 M5 Competition and CS in comparable acceleration territory on paper. It does not establish a winner in a controlled comparison, or mean an M5 can outrun every supercar.

Compare equivalent measurements. A 0–60 mph time covers a lower speed than 0–100 km/h, and a result measured with rollout excludes the first part of the launch. Tyres, surface conditions and testing methods can change the result. BMW Australia, for example, lists both 3.5 seconds conventionally and 3.2 seconds with one-foot rollout for the G90.

A lap time asks more of a car than a launch does. Braking consistency, tyre grip, cooling, weight and direction changes all matter. The G90 is more than five metres long, according to BMW’s Australian specifications. That footprint has consequences for parking and tight roads, whatever its acceleration figure says. Without comparable testing, a sprint time cannot tell us which car is more engaging or more capable over repeated laps.

Top-speed claims also need context. BMW’s global G90 launch specification quotes a 250 km/h limiter, raised to 305 km/h with the M Driver’s Package. BMW Australia lists 305 km/h on its technical page. Check the market and equipment of the actual car, especially when reading overseas reviews.

What the distinction means for buyers

The M5 makes sense if you want speed alongside passenger space and everyday usability. It is less convincing as a substitute for a smaller sports car if your priorities are compact dimensions, low weight and a sense of occasion at modest speeds. Those are different buying priorities, not a ranking based solely on power.

For a used M5, identify the generation, exact variant and any modifications before comparing claims or prices. Arrange an independent inspection by a BMW M specialist, check service records and budget for tyres, brakes, insurance and repairs. A lower purchase price does not make the running costs those of an ordinary used 5 Series. For a G90, also consider charging access and battery condition: BMW notes that the electric contribution depends on battery charge.

For a related look at the trade-off between BMW performance and a dedicated sports-car layout, read our BMW M4 Competition versus Chevrolet C8 Corvette comparison. Our 2025 BMW M4 Competition review explores another way into BMW M ownership.

Verdict: is the BMW M5 a supercar?

The most useful description is a super saloon with supercar-level acceleration in certain versions. The F90 CS pushes furthest towards a focused performance car, while the G90 adds plug-in hybrid capability to the fast executive-sedan formula. The M5’s defining achievement is combining that performance with everyday usefulness. It does not need a different label to make that impressive.