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2005 Cadillac STS review:

2005 Cadillac STS

Starting at $40,525
  • Engine V6 Cylinder Engine
  • Drivetrain All Wheel Drive, Rear Wheel Drive
  • MPG 20 MPG
  • Passenger Capacity 5
  • Body Type Sedans

Roadshow Editors' Rating

7.0 Overall
  • Cabin tech 7
  • Performance tech 7
  • Design 7

The Good Powerful V-8; world-class audio; automatic cruise control; heads-up display; bristles with technology.

The Bad Expensive; absurd fuel economy and range; blind spot; interior plastics; some gadgets are too much.

The Bottom Line It may be expensive, and it may gulp gas, but the Cadillac STS features all the power you could want, as well as a slew of gadgets for making driving easier, safer, and fun.

2005 Cadillac STS

One look at the 2005 Cadillac STS, and you know why it's General Motor's flagship sedan and technological showpiece. Amid GM's lackluster lineup, layoffs, and continuing financial problems, the STS shines with its digital luxuries and power and has the makings of a genuine sales hit. More than a mere car for getting from here to there, the STS is an awesome display of technological mastery that's meant to show off Cadillac's skills at making the driver feel at home, safe, and in control. With a 320-horsepower V-8 engine, sophisticated all-wheel drive, radar-based cruise control, and a heads-up display that projects vital information on to the inside of the windshield, the Cadillac STS is the closest thing to an American supercar.

However, there's a big trade-off for all this engineering excellence: price. The $47,000 base price is just the start. Our test model had the $13,115 package, which includes everything from leather seats to XM Radio to 18-inch aluminum wheels, as well as the $2,300 cruise control, $1,900 all-wheel drive, and $995 paint job. Tack on the $1,000 gas-guzzler tax and GM's $695 delivery charge, and you're looking at a total of around $70,000. This puts it on a par with the similarly equipped Mercedes E350 but outpaces the more powerful Infiniti M45 by over $10,000. In addition, the Cadillac STS guzzles gas and has a disappointingly short range between fill-ups.

If the thought of Cadillacs brings chrome-laden land yachts to mind, think again, because the 2005 Cadillac STS is not only one of the most powerful cars you can buy but also one that tempers raw power with advanced technologies to keep it comfortable, safe, and under control at all times. Front and center is the car's 8-inch control screen, which is bright and visible from the passenger seat; plus, it can be tilted to three vertical angles to avoid being overwhelmed by sunshine. Unlike with most cars, you can play DVD movies on it (but only when parked), and there's a set of video-input jacks for connecting an external player.

Aside from viewing DVDs, you can make good use of the display with the STS's GPS navigation system. We really like the 3D bird's-eye road view and the built-in compass, as well as the dual-mode screen, which gives you both an overview and close-ups. The system also has first-rate predictive entry and lets you choose different routes. That said, we did have a couple of complaints. There is no joystick for working with the maps, and the synthesized male or female voice prompts sound sterile. Like many other luxury sedans, the 2005 Cadillac STS features a voice-recognition system, but it gets confused. For example, when we said "Set temperature 65," the car responded with "Select CD."

The optional Bose 5.1 surround-sound system adds 15 speakers throughout the car, including 2 on top of each front seat, to make for a first-rate stereo experience, pumping out enough volume for overpowering a ghetto blaster and providing excellent balance between bass and midrange tones. We really like the heated steering wheel's volume and track buttons for AM, FM, and XM satellite radio, as well as the ability to listen to CDs and MP3s. The disc jockey can hold six CDs but takes a frustrating half-minute to get started or give up a disc. The optional stereo also adds Bluetooth for turning the STS into a phone booth on wheels. Meanwhile, the OnStar system is part of the standard package and allows for emergency calls or just asking for directions.

Despite being one of GM's most expensive cars, the 2005 Cadillac STS has a plastic dashboard and door inserts that are more fitting for an economy car that's one-quarter the cost. However, the excellent floating-analog gauges show speed, temperature, engine speed, and fuel; plus, digital readouts display secondary data. In terms of other tech, the key fob is one of the STS's coolest tricks, and it can do away with a physical key, although one is included. It can remotely start the car from 300 feet away or fire it up from inside with the circular button, which is to the right of the steering wheel. The car also smartly detects the fob from a meter away and automatically unlocks the door as you pull the handle.

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