Driving Impressions
reviewed by
We tried all of the new A4s in the gorgeous Green Mountains, where the twisting roads climb up and down and are seldom clogged with traffic. Yet we spent the most time in the sportiest and-as in often the case-most expensive variant: the A4 3.0 quattro. It was a pleasant, thoroughly satisfying experience.
Audi's new 3.0-liter V6 is a big improvement (though the old one was already pretty good), and it makes the A4 one of the more powerful cars in the class. Displacement has been increased 200 cubic centimeters. The new aluminum engine block is manufactured using the latest casting technology for maximum strength and durability, and Audi remains the only luxury carmaker with advanced five-valve-per-cylinder technology across its product line. The company says the new 3.0-liter engine is more fuel-efficient and cleaner than the old 2.8-liter engine, allowing the 3.0 to earn California's Ultra Low Emissions Vehicle certification. Horsepower increases by 30 to 220 at 6300 rpm, while torque increases by 14 to 221 pounds-feet. For comparison, the BMW 330i and Mercedes C320 make 225 horsepower, 214 pounds-feet of torque, and 215 horsepower, 229 pounds-feet, respectively.
The first thing you notice at the wheel of the A4 is the engine. The 3.0 is smoother and stronger than the 2.8, and very even in its power delivery. Whether you're putting along in a residential neighborhood or wound up on an empty country road, there's a deep well of acceleration-producing torque. Even with an automatic transmission, the A4 responds immediately when you jab the gas pedal.
With the new six-speed manual, the A4 3.0 is more a match for BMW's 330i-long the performance benchmark in this class. Its gear ratios are nicely matched if you want to shift frequently and really work the engine. Yet the new V6 is flexible enough that you can choose a gear -- second, third or fourth -- and drive it about 80 percent of the time like an automatic, rarely changing gears. We'd guess that the 2002 A4 3.0 will hit 60 mph from a stop in a tick under 7 seconds. That's a bit slower than the 330i, but this new Audi is quick, and it's the fastest A4 yet. Rarely will you fall into the passive mode at the wheel. More often than not you'll want to stretch it.
If you prefer an automatic transmission, you'll have two options. A4s with quattro offer a conventional five-speed automatic, while front-drive models have the new continuously variable transmission (CVT). Until now, CVTs were reserved for economy cars, and unable to cope with the high torque of a V6 engine. Audi's CVT has an electric clutch (like that on a manual transmission, without the pedal). It's lighter than conventional automatics, with fewer working parts-and theoretically fewer things to go wrong. The practical advantage of a CVT? It provides the best transmission ratio for optimum performance or economy in any particular driving conditions. Audi claims that with the CVT, the A4 accelerates as quickly and gets the same mileage as an A4 with a manual transmission. (Fuel economy typically suffers significantly with a traditional automatic.)
Those claims aside, the CVT takes some getting used to. Its clutch can take a second engage, much like a torque converter that's slow to lock up. To the driver it can feel like sloppiness in the drivetrain. Depending on circumstances, you get rolling too slowly, or with a jerk, and working the throttle can require some practice. It's really a matter of getting used to different behavior. Audi has programmed its CVT with six pre-defined ranges, or gears, which can be managed by a Tiptronic sequential selector. Drivers can operate it like a conventional automatic with a sport shifter. Nonetheless, we recommend driving the CVT before buying it.
Whatever the engine/transmission combination, the A4 had plenty of punch to climb from the valleys into the mountains of southwestern Vermont. We never tapped the steering wheel impatiently, waiting for the acceleration to build. We were never anxious when we pulled out to pass an RV whose occupants seemed more concerned with the scenery than the task of driving. The A4's steering is quick enough that a lane change requires only a small turn of the wheel, yet it isn't twitchy to the point where every slight movement on the steering wheel jerks the car left or right, requiring correction in the opposite direction. The A4 turns into corners with authority, but not abruptly. Rarely will you find yourself correcting your trajectory once you've committed to a curve.
The A4's suspension has been revised throughout, but the most significant change is in the rear, where a sophisticated multi-link arrangement replaces the old torsion beam axle. This more compact rear suspension makes room for a larger fuel tank. More to the point, it keeps the rear tires in better contact with the pavement, particularly on bumpy roads, and it delivers an even better balance of crisp handling and ride comfort,
The A4's ride is firm, even without the sport suspension package; if you prefer soft and willowy, this may not be the car for you. We found the ride just about perfect: soft enough to soak up the bumps, never jarring, yet not so soft that the car seems to float over the surface with no feeling of control. Take a curve at a brisk clip and you'll feel firmly planted to the road, without the excessive lean that makes some sedans no fun at all to drive.
Audi's quattro is a full-time all-wheel drive system that automatically shifts power to the tires with the best grip. If the front wheels are slipping, quattro delivers more engine power to the rear, more effectively turning that power into forward momentum. Quattro does more than improve traction on wet, slippery surfaces, however. It also improves handling in all conditions, because if one or two tires lose grip in a turn, the car is less likely to fully lose traction and slide. The all-wheel-drive system is now coupled with an Electronic Stability Program (ESP), a computer-managed system that gently applies the brake at any one of the four wheels to help counter skids. All told, these systems make the A4 one of the most secure handling, confidence-inspiring small sedans in production.
We gave the brakes a good workout, too, on the road up and down Vermont's Mount Equinox, which happens to be the route for an historic hill climb competition. This
road is a series of tight hairpin turns connected by straightaways, and you'd better be able to count on your brakes. The A4 has always produced some of the shortest stopping distances in its class, and the new one slows itself with the same authority. After repeated full-on stops, with little recovery time in between, there wasn't a hint of brake fade. That's reassuring. Further, Audi's ABS programming senses panic-stop situations, and applies maximum braking even if the driver hasn't fully pressed the pedal.
At a more leisurely pace, nothing about the new A4 stands out, with the possible exception of the V6, and that's good. Quattro, ESP, automatic brake proportioning -- all are seamlessly integrated, and usually transparent to the driver. In short, the A4 is a well-balanced machine that will hold your interest, in the manner of a good marriage. It's exciting enough to grab your attention in the short term and substantial enough to grow more attractive with time.
Among all A4s the 1.8T with FrontTrak (for front-wheel drive) is the best bargain, and it may be the spriest of the bunch. The turbocharged four-cylinder is noisier - rougher - than the V6, but strong enough for good acceleration, particularly with the manual gearbox. The car is 331 pounds lighter than a 3.0 quattro, and quicker to respond. The A4 1.8T delivers the luxury and performance of a true European sports sedan at a price that puts it in reach of many new-car buyers.
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