We didn't miss the basso profundo of a bigger engine; we were too busy being thrilled by the speed or looking for the right lines through the curves. Of course, the S4 comes standard with Audi's Quattro all-wheel-drive system, along with a sport-tuned suspension that kept it composed during hard cornering.
But this car wasn't all it could be. Audi keeps some of the performance gear on the options list. Our car didn't have the available rear sport differential, which vectors torque to the outside rear wheel in a turn, nor did it have Audi's Drive Select feature, which includes an active suspension and sport settings for the engine and steering.
As it was, our S4's suspension provided a nice ride in normal driving and mostly counteracted body roll in the corners. It didn't stay as flat as it would have with an active suspension, but still allowed us to carry a lot of speed through the corners. In this way, our S4's handling felt slightly retro, with a little looseness when it got stressed by inertial forces in the turns.
We were impressed that, after a good bit of city, freeway, and performance driving, the average fuel economy was 21.3 mpg. Most sports cars of this caliber would be down around 16 or 17 mpg. The EPA rates the S4 at 17 mpg city and 28 mpg highway.
The center display on the instrument cluster tries to help you economize by indicating the appropriate gear for the current speed, but we got tired of trying to follow its guidance when it said the car should be in sixth gear at 40 mph. We like a little more ready power than what's available with that ratio.
That center display, a color LCD between speedometer and tachometer, offered a lot of control in conjunction with the steering-wheel-mounted controls. At the push of a button it switches between trip, navigation, phone, and audio displays. We had full control over an iPod plugged into the car with the center display and steering-wheel buttons. Likewise, we could thumb through a paired phone's contact list, all without having to touch the console-mounted controls for what Audi calls the Multimedia Interface.
We did need to look to the center LCD for the back-up camera, which has long been a high-point in Audis. It not only shows distance lines, but trajectory lines also curve around as you turn the wheel, showing where the car will go when backing up. The next step, which a few other automakers have already incorporated, would be an around-view monitor, but that technology is of debatable usefulness in a small sedan.
When we first got onto the freeway in the S4, we lamented the lack of a blind-spot warning system, but checking the option sheet later, we saw it is available, as is adaptive cruise control, two high-tech driving aids that would make a nice addition to the S4's equipment roster--the latter especially if you take long road-trips.
Though Audi's sport brand falls short of the BMW's M or Mercedes-Benz's AMG, there is little that will disappoint in the 2010 Audi S4. It is a thoroughly civilized car that happens to offer exciting performance. We give it a top score for performance, as the supercharged engine gives you speed when you want it, yet doesn't drain the tank after 100 miles of driving. Audi offers the high-tech seven-speed dual-clutch transmission for quick shifts, and the Drive Select package gives it modern handling technology.
It earns almost as high of a score for cabin tech, a rating propelled upward by the rich maps in the navigation system. The Bang & Olufsen audio system helps that rating, as well as the next-generation voice command system. We like that adaptive cruise control and blind spot detection are available, but Audi stops short of more esoteric cabin tech such as drowsiness warnings or night vision.
The only real flaw we found with the S4 was in the design of some of the input screens for navigation and phones. The usability of the instrument cluster display gave it a design boost, and the overall look of the car is distinctly Audi.
|Model||2010 Audi S4|
|Power train||Supercharged direct injection 3-liter V-6|
|EPA fuel economy||18 mpg city/27 mpg higway|
|Observed fuel economy||21.3 mpg|
|Navigation||Standard hard drive-based with traffic|
|Bluetooth phone support||Standard|
|Disc player||MP3 compatible single CD|
|MP3 player support||iPod integration|
|Other digital audio||Onboard hard drive, SD Card, USB drive, auxiliary input, satellite radio|
|Audio system||Bang & Olufsen 505 watt 14 speaker|
|Driver aids||Adaptive cruise control, blind spot warning, back-up camera|
|Price as tested||$51,575|
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