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2003 - 2016 Audi A4 How to replace the head light (HID XENON).

2013 - 2016 B8 (4th Gen) Facelift
2009 - 2012 B8 (4th Gen)

Pros
If you’re seeking a car that regularly qualifies as one of the best luxury car buys year after year, Audi’s A4 and S4 performance sedans for 2015 won’t disappoint. Excellent performance without a harsh ride complement the A4’s stunning interior, whisper-quite cabin, and user-friendly electronic interfaces.

Cons
While Audi has tried to hold the line on pricing, once the A4 begins acquiring options, its cost can quickly escalate. If you’re looking for luxury-sedan-like creature comforts without the premium price, look to a Chrysler 300, Volkswagen CC or Hyundai Azera.

Interior Comfort
Audi’s reputation for beautifully-superb interiors is safe with the 2015 A4 luxury sedan. Everything about it is impeccably conceived and finished, from design, layout and materials to assembly. The resulting space is upscale, relaxing, purposeful and even business-like. A handsome 4-spoke steering wheel is standard and a sporty 3-spoke design is optional. Interior trim includes aluminum or wood inlays and attractive uses of lighting, including LED accent lights that illuminate the center console. Leather seating is standard, with available Alcantara inserts, and there are optional sport seats with side bolsters that really hold the occupants in place during more spirited driving.

Exterior Styling
The 2015 Audi A4’s signature look is certainly familiar, and it remains exceptionally handsome and refined. There is no mistaking it’s an Audi, with the clean and elegantly-detailed exterior that makes it one of the best-looking sedans on the road. There are numerous option packages that include different wheel treatments to individualize the appearance, and the high-end and super-performance S4 has a more aggressive look that emphasizes its purposeful mission.

Favorite Features
TURBOCHARGED ENGINE
Audi has been doing turbocharged 4-cylinder engines longer than just about any of its competitors, and the current 2.0-liter unit in the 2015 A4 is as responsive and smooth as any V6. Fuel economy, though not as good as the BMW 3 Series, is near the top of its class.

DETAIL EXECUTION
Some things just can’t be explained or duplicated. While all luxury cars offer leather seats and wood inlays, the way Audi combines, shapes and molds its interior parts together truly creates a rolling work of art.

Standard Features
The 2015 Audi A4 line is available in three trim levels: Premium, Premium Plus and Prestige. Premium leads off with 17-inch aluminum-alloy wheels, power front seats, leather upholstery, Sirius satellite radio and the Convenience Package, which includes Bluetooth, Homelink, Audi Music Interface connectivity, and the driver information system. For 2015, all A4s now feature S line style package features while Premium Plus models tout unique 18-inch, 10-spoke wheels for a sportier appearance. Keyless unlock/lock and starting is part of the Premium Plus, and Audi drive select is standard on the S4. The Prestige trim also includes navigation and a Bang & Olufsen sound system.

Engine & Transmission
For 2015, Audi’s A4 is powered by a strong, efficient 2.0-liter, direct-injected, turbocharged 4-cylinder engine that delivers impressive fuel economy while churning out 220 horsepower. Front-wheel-drive (FWD) versions of the A4 feature a continuously variable automatic transmission (CVT), while those with Audi’s quattro AWD system offer the choice of a 6-speed manual or the 8-speed Tiptronic automatic. Regardless of drivetrain, the A4 continues to be one of the most fuel-efficient luxury-branded sedans on the market, beating both the more powerful Mercedes-Benz C350 and the slower C250. The sportier S4, meanwhile, boasts a powerful 3.0-liter supercharged, direct-injection V6 engine that offers V8 performance and still-impressive fuel economy.

2.0-liter turbocharged inline-4 (A4)
220 horsepower @ 4,450-6,000 rpm
258 lb-ft of torque @ 1,500-4,300 rpm
EPA city/highway fuel economy: 24/32 mpg (FWD, CVT automatic), 22/32 mpg (AWD, manual), 22/31 mpg (AWD, automatic)

3.0-liter supercharged V6 (S4)
333 horsepower @ 5,500-7,000 rpm
325 lb-ft of torque 2,900-3,500 rpm
EPA city/highway fuel economy: 18/28 mpg (automatic), 17/26 mpg (manual)