or when you already own a vehicle and need more information about it. Below, we’ll go over all the key specs about the 2015 M4, including some essential definitions for interpreting the tables.

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2015 BMW M4 Specs

The 2015 BMW M4 is an attractive, high-performing ride—perfect for luxury car buyers who have a need for speed.

But if you have more questions than simply “is it fast?” you should read on. Below, we’ve compiled all of the essential specs for your 2015 BMW M4.

Vehicle

EPA classification	Compact car
Vehicle type	Two-door, four-seat coupe

Engine

Engine type	Twin turbo premium unleaded inline six
Displacement (liters/cubic in.)	3.0/182
Horsepower	425 @ 5500 RPM
Torque	406 @ 1850 RPM

Transmission

Description	Seven-speed automatic or six-speed manual
First gear ratio (:1)	4.11
Second gear ratio (:1)	2.32
Third gear ratio (:1)	1.54
Fourth gear ratio (:1)	1.18
Fifth gear ratio (:1)	1.00
Sixth gear ratio (:1)	0.85

Fuel economy

EPA fuel economy, combined	20 mpg
EPA fuel economy, city	17 mpg
EPA fuel economy, highway	26 mpg
Range, city (mi.)	270.30
Range, highway (mi.)	413.40
Fuel tank capacity (gal)	15.9

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Wheels and brakes

Front wheel size (in.)	18 x 9
Front wheel material	Forged Aluminum
Front tire size	P255/40YR18
Rear wheel size (in.)	18 x 10
Rear wheel material	Forged aluminum
Rear tire size	P275/40YR18
Brake type	Four-wheel disc
Anti-lock braking system (ABS)	Four-wheel
Front brake rotor diameter x thickness (in.)	15
Rear brake rotor diameter x thickness (in.)	14.6

Dimensions

Wheelbase (in.)	110.7
Length (in.)	184.5
Width without mirrors (in.)	73.6
Height (in.)	54.4
Ground clearance (in.)	N/A
Total passenger volume (cubic feet)	N/A
Front head room (in.)	39.8
Front legroom (in.)	42.2
Front shoulder room (in.)	55.3
Front hip room (in.)	N/A
Second row head room (in.)	36.1
Second row legroom (in.)	33.7
Second row shoulder room (in.)	51.7
Second row hip room (in.)	N/A
Trunk space (cubic feet)	11

Steering

Steering type	Rack-pinion
cc	40

Suspension

Front suspension type	Strut
Rear suspension type	Multi-link

Weight information

Base curb weight (lbs)	3,530
Maximum payload capacity (lbs)	N/A
Curb weight	N/A

Options

Trim levels	Base
Body types	Coupe, convertible
Drivetrain	Rear-wheel drive
Packages	Lighting Package, Executive Package
Exterior colors	12
Interior colors	11

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How to interpret car specs

Is your head spinning yet? The above specs provide extremely helpful information—but only if you know how to interpret them. Here are some key definitions you’ll need to know:

Base curb weight: This is simply the vehicle’s weight measured with all of the standard options and a full tank of fuel.

Dimensions: These measurements are provided by the manufacturer to describe your car’s size—inside and out!

Drivetrain: Your vehicle’s engine will send power to the front wheels, rear wheels, or all four wheels.

Engine displacement

: This specifically tells you how many liters of oil are taken up by your engine’s cylinders while it’s working—but you can think of it as a description of how big the engine is.

Ground clearance: This measurement is taken from the lowest part of your vehicle’s chassis to the ground beneath it and is essential to know if you plan to drive your vehicle on rough terrain.

Horsepower: One horsepower describes the power needed to raise 550 pounds by a single foot in one second. This basically describes how much raw power your engine produces!

Torque: We described horsepower as raw power, but torque is its rotational counterpart. This number basically tells you how well the vehicle spins its wheels.

Turning diameter: This number is a measurement of the diameter of the smallest semicircle required for the vehicle to complete a full U-turn.

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