Engine:

• Powertrain: 3.0-liter turbocharged inline-six (I6) engine.
• Horsepower: 425 hp (in the standard version) or up to 503 hp (in the M3 Competition).
• Torque: Around 406 lb-ft (Competition model has slightly more).
• Transmission: 6-speed manual or an optional 7-speed dual-clutch automatic transmission (M-DCT).
• 0-60 mph: Around 3.8 seconds for the Competition model.

Performance:

• Drivetrain: Available in rear-wheel drive, with the Competition model offering an optional all-wheel-drive system.
• Top Speed: Electronically limited to 155 mph (can be increased to 180 mph with the optional M Driver's Package).
• Suspension: Adaptive M suspension with electronically controlled dampers for enhanced comfort and handling.

Exterior & Design:

• Dimensions: Length: 189.1 inches; Width: 75.9 inches; Height: 56.4 inches.
• Wheels: Typically equipped with 18-inch front and 19-inch rear wheels, with optional 20-inch wheels on the Competition.
• Design Elements: Aggressive front bumper with large air intakes, quad exhaust outlets, and distinctive M-specific styling elements like wider fenders.

Interior & Features:

• Seating: M-specific sports seats, available in Merino leather upholstery.
• Infotainment: 8.8-inch display with BMW’s iDrive system, navigation, Apple CarPlay, and Android Auto compatibility.
• Technology: Standard safety features include forward collision warning, lane departure warning, and a rearview camera.
• Storage: Practical trunk space of 17 cubic feet.

Driving Experience:

• Handling: Excellent balance between daily driving comfort and sharp, responsive handling thanks to its adaptive suspension and precise steering.
• Braking: Carbon-ceramic brakes available as an option for superior stopping power, especially on track days.

The 2018 M3 is known for its well-rounded performance, blending the refinement of a luxury sedan with the precision and power expected from a BMW M car. It’s a great option for those seeking a daily driver that’s equally capable on both winding roads and the racetrack.