2019 BMW 8 Series M8 Competition Cabrio 4.4 V8 Turbo F91 Review and Performance Comparison

BMW 8 Series Performance Review.

Introduction:

The 2019 BMW 8 Series M8 Competition Cabrio 4.4 V8 Turbo F91 is a powered by a Petrol V 8. This variant of the BMW 8 Series M8 Competition Cabrio 4.4 V8 Turbo F91 is the 8 speed / Auto version and was first brought out around 2019. This was at around the same time as the introduction of the 2020 Czinger 21C Hybrid and the 2019 Pininfarina Battista 1900.

This particular BMW 8 Series has a 4395cc Turbo Petrol powerplant driven by the BMW All Wheel Drive system.

Alternative Petrol V 8's include the 2023 Dodge Challenger SRT Demon 170

The 8 Series shares its Petrol V 8 engine configuration with the likes of the 2023 Dodge Challenger SRT Demon 170 and the 2023 Ferrari SF 90 XX Spider 4.0 V8 Turbo.If you're looking for other similar performing cars which share the 8 Series's All Wheel Drive, Cabriolet combination then how about the 2024 Aspark Owl AWD or the earlier 2019 Pininfarina Battista 1900.

Power and Weight:

Weighing in at 2085 kgs (4596 lbs) places the BMW 8 Series M8 Competition Cabrio 4.4 V8 Turbo F91 in a similar weight category as the 2024 Mercedes S Class 500 4MATIC and the excellent 2024 Mercedes CLE Class CLE 53 4MATIC+ Cabriolet, give or take 50kg.

The BMW 8 Series shares the same bhp with the 2025 Maserati MCPURA 3.0 V6 Twin Turbo (621 bhp)

In terms of pure power the 4395cc 32 valve, V 8 engine produces around 616 bhp (459 kW) @ 6000 rpm which is comparable to the 2025 Maserati MCPURA 3.0 V6 Twin Turbo (621 bhp) and also the 2025 Toyota GR GT 4.0 V8 Twin Turbo (641 bhp).

The Turbo V 8 throws out 553 lb-ft (749.7 Nm) @ 1800 rpm placing it with cars of similar torque performance figures such as the 3996 Bentley Continental GT 4.0 V8 Turbo Convertible (568 lb-ft) or the 2025 Maserati MCPURA Cielo 3.0 V6 Twin Turbo (538 lb-ft).

Power to Weight:

If you look at both power or torque of the 2019 BMW 8 Series in comparison with its weight you get a much more accurate idea of its real world performance.

The 2003 Caterham 7 Superlight R300 (320.0 bhp per ton) has similar Bhp Per Ton stats as the BMW 8 Series.

The BMW 8 Series has a power to weight ratio of 295.4 bhp per ton. Bhp per ton figures of the 2019 8 Series M8 Competition Cabrio 4.4 V8 Turbo F91 means you're competing with the 2003 Caterham 7 Superlight R300 (320.0 bhp per ton) and the equally quick 2005 Fisker Tramonto 5.4 V8 Performance Plus (319.8 bhp per ton).

Torque to Weight:

If you agree with the late great Carroll Shelby then arguably an even better indicator of potential performance is Torque!. However, torque isn't the whole story, you also need to compare weight as well for more real world comparisons such as torque per ton.

The BMW 8 Series M8 Competition Cabrio 4.4 V8 Turbo F91 generates around 265.2 lb-ft per ton. So if you're looking at what cars perform similarly either on the drag strip or at the traffic lights using torque to weight as a benchmark, then look no further than the 1969 Oldsmobile 4-4-2 7.4 V8 Sports Coupe 365 (290.0 lb-ft per ton) or the similarly performing 1968 Plymouth Road Runner 426 Hemi V8 1st Gen (289.7 lb-ft per ton).

Acceleration:

The BMW 8 Series M8 Competition Cabrio 4.4 V8 Turbo F91 can accelerate 0–60mph in 3.20 secs or 0–100km/h (0–62mph) in 3.3 secs. Acceleration rivals to the BMW 8 Series M8 Competition Cabrio 4.4 V8 Turbo F91 include the 2024 Audi A6 RS 6 Avant GT (3.20 secs) or the equally as fast to 60mph 2024 Mercedes SL Class SL63 S E Performance (3.20 secs).

The V 8 engine of the BMW 8 Series M8 Competition Cabrio 4.4 V8 Turbo F91 ensures that, ‘on paper’ at least, accelerates slightly faster than the 2024 Mercedes E Class E53 Hybrid 4MATIC+ Estate (3.30 secs) and the 2024 BMW 4 Series M4 CS (3.30 secs).

Quarter Mile time is a close race between the BMW 8 Series M8 Competition Cabrio 4.4 V8 Turbo F91 and the Audi A6 RS6 Avant Performance 4.0 Turbo

On a longer format for acceleration comparisons the 2019 BMW 8 Series can reach a quarter mile in an estimated 11.84 secs with a trap speed around 115.0 mph. Similar performances down the quarter mile drag strip can be found with the the Audi A6 RS6 Avant Performance 4.0 Turbo (11.85 seconds @ 114.9 mph) and a close race between the Lotus 2-Eleven 1.8 Supercharged (11.86 seconds @ 114.8 mph) too.

Top Speed:

Some modern performance cars are often artificially restricted particularly when it comes to max speed. 155 mph top speed restrictions are often used as part of the German 'Gentleman's Agreement' for example, so be cautious when using maximum speed figures. The 2019 version of the BMW 8 Series M8 Competition Cabrio 4.4 V8 Turbo F91 has a maximum speed of 155mph.

Top Speed of the 2019 8 Series equals the Ford Focus 2.0 ST-3 (154 mph)

If maxing out your car on the AutoBahn is your thing and you're wondering what has a similar top end performance to the 2019 BMW 8 Series M8 Competition Cabrio 4.4 V8 Turbo F91 then there's the slightly slower the Ford Focus 2.0 ST-3 (154 mph) or how about the impressive Volkswagen-VW Golf GTI Performance DSG 2.0 Turbo (154 mph).

— AutoSnout

Figures & Specs Summary:

Related Links:

• 2019 8 Series Rivals List.
• 2019 8 Series: Full Review and Comparisons.
• A Brief History of BMW
• Compare the 2019 BMW 8 Series