Performance Review: BMW 6 Series 640d - [2014]

Figures & Specs Summary:

BMW 6 Series Performance Review.

Introduction:

This edition of the BMW 6 Series 640d is the 8 speed / Auto version and was first brought out in 2014. This was at around the same time as the introduction of the 2015 Koenigsegg Agera RS 5.1 V8 Twin Turbo and the 2015 Koenigsegg Regera 5.0 V8 Turbo.This particular BMW 6 Series has a 1995cc Turbo Diesel powerplant with 4 cylinders in a St formation.

Alternative Diesel St4's includes the 2014 BMW 6 Series 640d XDrive

The 6 Series shares its Diesel St4 engine configuration with the likes of the 2014 BMW 6 Series 640d XDrive and the 2017 Volkswagen-VW Arteon 2.0 TDi SCR 4Motion. If you're looking for other fast cars which share the 6 Series's Rear Wheel Drive, Coupe combination then how about the 1982 Fiat X1/9 1.5 8V or the 1965 Aston-Martin DB6 1965.

Power and Weight:

Weighing in at 1815 kgs (4001 lbs) this makes the BMW 6 Series 640d in the same weight category as the 2023 BMW 3 Series M3 CS 3.0 Twin Turbo G80 or the give or take 50kg.

The BMW 6 Series shares the same bhp with the 2023 Porsche Cayenne Coupe E-Hybrid 3.0 V6 Turbo (300 bhp)

In terms of power the 1995cc 16V St4 engine produces 308 bhp (229 kW) @ 4400 rpm similar to the 2023 Porsche Cayenne Coupe E-Hybrid 3.0 V6 Turbo (300 bhp) or the 2023 Toyota Corolla GR Morizo Edition 1.6 Turbo (300 bhp).

The Turbo St4 throws out 465 lb-ft (630.4 Nm) @ 1500 rpm placing it with cars of similar torque performance figures such as the 2024 Chevrolet Corvette E-Ray 6.2 V8 Petrol Hybrid C8 (470 lb-ft) or the 2023 Porsche Cayenne S 4.0 V8 Turbo (443 lb-ft).

Power to Weight:

If one combines the weight with power or torque performance for the BMW 6 Series you can get a better idea of it's real world performance.

The 1993 Mazda RX7 FD Turbo (194.6 bhp per ton) has similar Bhp Per Ton stats as the BMW 6 Series.

The BMW 6 Series has a Power to weight ratio of 169.6 bhp per ton and 256.1 lb-ft per ton. Bhp Per Ton figures of the 2014 6 Series competing with the 1993 Mazda RX7 FD Turbo (194.6 bhp per ton) or the 2004 Porsche Boxster S 3.2 987 (194.3 bhp per ton).

Power to Weight(cont.):

If you agree with the late great Carroll Shelby then arguably an even better indicator of potential performance, Torque. Use weight as well and you end up with - Torque per ton, with the BMW 6 Series generating around 256.1 lb-ft per ton. If you're curious as to what other cars have as much torque to weight then look no further than the 2021 BMW 5 Series M5 4.4 V8 Turbo F90 (280.7 lb-ft per ton) or the 2019 Jaguar F Type R Convertible 5.0 V8 Supercharged (280.7 lb-ft per ton).

Acceleration:

With a 0-60mph time of 5.10 secs or a 0-100km/h (0-62mph) of 5.3 secs, this made the BMW 6 Series 640d as fast as the 2018 Alfa-Romeo Giulia Ti 2.0 Turbo (5.10 secs) the 2018 Alfa-Romeo Giulia Q4 2.0L Turbo (5.10 secs) the 2017 Dodge Charger Daytona 5.7 V8 370 (5.10 secs) the or the 2017 Audi A6 3.0T Competition (5.10 secs). This BMW 6 Series 640d is also faster than the 2021 Honda Civic Type R 2.0 16V Limited Edition (5.20 secs) the 2021 Ford Mustang Mach-E AWD (5.20 secs) the 2018 BMW X7 M50d 3.0 Turbo (5.20 secs) the and the 2018 Tesla Model 3 Mid Range (5.20 secs).

Quarter Mile time is a close race between the 6 Series and the 1992 Mercedes SL Class 600SL V12 R129

When talking about the performance of the BMW 6 Series on the drag strip it can reach a quarter mile in an estimated 14.9 secs @ 91.8 mph. Similar performance down the quarter mile can be found with the the 1992 Mercedes SL Class 600SL V12 R129 (14.83 secs), the 1998 Maserati Quattroporte 2.0i V6 Biturbo Evoluzione (14.83 secs), and the 1987 Ford Sierra RS 500 (14.85 secs).

Top Speed:

Modern performance cars are often artificially restricted to 155mph. The 2014 version of the BMW 6 Series 640d has a maximum speed of 155mph.

Top Speed of the 2014 6 Series equals the 2024 Ford Mustang Dark Horse 5.0 V8 (166 mph)

If maxing out your car on the AutoBahn is your thing and you're wondering what's faster than the 2014 BMW 6 Series 640d then how about the 2024 Ford Mustang Dark Horse 5.0 V8 (166 mph), the 2022 Ford Mustang GT 5.0 V8 (166 mph), or the 2021 Ford Mustang Mach 1 5.0 V8 (166 mph).

Related Links:

2014 6 Series Rivals List.

A Brief History of BMW

Car Comparison