The 2014 Audi A4 S line is a diesel-powered sedan known for its sporty S line exterior and interior styling, powerful engine, and premium features. It typically features a 2.0-liter TDI engine with either 177 or 143 horsepower, front-wheel drive, and either a manual or CVT automatic transmission with sport mode. Key features include S line body kit, sports suspension, multi-link suspension, Xenon Plus headlights with LED daytime running lights, and a leather-wrapped multifunctional steering wheel. 
Engine and performance
  • Engine: A 2.0-liter inline 4-cylinder diesel engine with common rail injection and exhaust gas turbocharging.
  • Horsepower: Available in either 177 bhp or 143 bhp versions.
  • Torque: The 177 bhp version produces 380 Nm @ 1750 rpm, while the 143 bhp version produces 320 Nm @ 1750 rpm.
  • Transmission: Automatic (CVT with Sport Mode) or manual.
  • Drivetrain: Front-wheel drive.
  • Fuel Economy: The 143 bhp diesel variant has an ARAI-certified mileage of 16.55 kmpl. 
Exterior and styling
  • S line exterior: Includes an S line body kit, such as sculpted front and rear bumpers and side skirts.
  • Wheels: 17-inch or 18-inch alloy wheels.
  • Lights: Xenon Plus headlights, LED daytime running lights, and LED tail lights.
  • Other: Chrome surrounds on the grille and fog lights, and a roof-mounted antenna. 
Interior and comfort
  • Seating: 5 seats in two rows.
  • Steering wheel: Leather-wrapped, multi-function steering wheel with controls for the audio system, navigation, and Bluetooth.
  • Seats: Electrically adjustable front seats with electric lumbar support for the driver.
  • Climate control: Automatic dual-zone climate control.
  • Infotainment: Audi Concert Radio with MP3/CD player, DAB digital radio, and a colour driver information system.
  • Other: Rear parking sensors, cruise control, and a sport suspension. 
Safety features
  • Braking: Anti-lock braking system (ABS) and electronic stability program (ESP).
  • Airbags: Driver, front passenger, and side airbags.
  • Security: Alarm and immobilizer.
  • Child safety: ISOFIX child seat preparation in front and rear seats