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Driving Impressions
The Buick Lucerne is a smooth but spirited car. The ride quality is excellent, thanks to its long wheelbase and stiff body structure. In back-to-back driving along a stretch of less-than-perfect road, we found the Lucerne's ride quality comparable to that of the benchmark Toyota Avalon. Buick loyalists who are used to a cushy ride will not complain about the Lucerne. It might be stiffer than they are used to, but it's still plenty smooth.
The steering is precise and responsive, and the suspension is well controlled, even at high speeds along not always smooth roads. After driving Buick Lucerne models over the course of several hours, winding among the vineyards in the Santa Ynez Valley just north of Santa Barbara, California, we found the Lucerne handles with aplomb, exhibiting no wallowing or causing any untoward moments. A rigid chassis is the key to balancing sharp handling with a smooth ride, and Lucerne really delivers.
The CXS comes with Magnetic Ride Control, which we found improved the handling a bit, though the differences were not dramatic. Magnetic Ride Control is an adaptive damping system designed to enhance overall ride performance. With Magnetic Ride Control, the shock absorbers are filled with a synthetic fluid in which magnetically charged particles are suspended. By applying electric current to the particles, a computer continuously adjusts the fluid's viscosity according to varying road surfaces and driving styles. The system, which first appeared on the sporty Cadillac XLR, and then the Corvette, delivers a quicker response than earlier adaptive-damping setups that continuously adjusted the shock absorbers' main valves.
Indeed, when we tried a CXL V6, we were pleasantly surprised at just how well it performed. With the lighter V6, the Lucerne seemed more agile on twisty roads. The front end felt a bit lighter. The V6 models also suffer less from torque steer, a slight tugging felt through the steering wheel when turning and accelerating at the same time. As an additional benefit the V6 Lucerne is rated as a Super Ultra Low Emissions Vehicle (SULEV). The V6 is EPA-rated 19/28 mpg city/highway, while the V8 is rated 17/26 mpg.
So which model? If you don't demand instant power when accelerating away from traffic lights or merging onto freeways, the V6 is probably a better bet because it costs less and gets better fuel economy. We were pleased with its performance. However, GM's excellent StabiliTrak electronic stability control system is available with the V8 models, which improves driving control by reducing the chance of skidding. StabiliTrak is well worth having. And this car performs well with a modern double overhead-cam V8.
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