Taking Chevrolet’s redesigned 2005 Corvette for a few laps around the
newly completed road course at General Motors’ Milford proving grounds last week
promised to be one of the year’s highlights, but the weather gods conspired
against the automotive writers gathered for the august occasion. Rain poured
down in buckets all day and sections of the track were under water.
Consequently, our test drive was limited to a couple of laps around a 20-minute
loop of city and freeway driving.
It
is clear that Chevy has done an admirable job of endowing the new car with “more
power, more passion and more precision,” in the words of Dave Hill, chief
engineer. The 400-horsepower V-8 has a huge chunk of its power available just
past idle, and consequently it responds like a thoroughbred that jumps from the
slightest touch of the whip. More than once it spun the huge 19-inch rear tires
on wet pavement.
The Corvette is one of the undisputed icons of the American automobile
industry, and a new generation is always big news. The coupe with the six-speed
manual has a base price of ,245, and that is ,300 less than a comparably
equipped 2004. The convertible starts at ,245, and it is 5 less than the
2004. Coupes should be in showrooms this fall, and convertibles shortly
thereafter.
Dubbed C6, the new car doesn’t look much different from the current model
until you see them side by side. The new model is 5 inches shorter and 1 inch
narrower, and has a very impressive 0.28 coefficient of drag. Exposed headlights
give it a more distinct face, and the sloping roof is narrower at the back for
better streamlining. The roof has a removable panel, with a glass panel
optional. The tapered roof is reminiscent of the Sting Ray coupe. The wheels are
18-inch in front and 19-inch in back.
Getting
400 horsepower out of the engine was accomplished by enlarging the bore to 4
inches, which raised the displacement from 5.7-liters to 6.0-liters. Numerous
other changes, such as a larger throttle body, improved exhaust flow and forged
connecting rods with full-floating piston pins, play a role as well. In spite of
the added power, the LS2 V-8 is still rated at 18 miles per gallon in the city
and 28 on the highway. That’s quite impressive for a car whose top speed is
rated at 186 miles per hour.
The transmission is mounted with the rear axle for better weight
distribution. Two transmissions are offered, a six-speed Tremec manual and a
four-speed automatic. The automatic has computer controls that select the
optimum gear for any given driving condition, plus it now shifts at higher rpm
to take advantage of the engine’s higher output. A five-speed automatic or
manual shifting would be welcome improvements.
Dynamically, the 2005 Corvette offers more power in a slightly smaller size.
It was hard to judge road behavior on wet roads, but it was easy to discern that
the ride is more supple and less harsh. The new chassis is similar to the one
used for the Cadillac XLR. which is built in the same plant in Bowling Green,
Ky. It has a perimeter frame with an enclosed center tunnel, cored composite
floors and an aluminum upper cockpit structure.
The
suspension pieces are completely new, although the basic layout of a short-long
arm front and an independent rear with transverse leaf spring is the same. The
pieces have been redesigned to work the new run-flat tires. There are three
suspension packages: standard, Magnetic Selective Ride Control (,695) and Z51
(,495). Z51 performance suspension is a ,495 option and it features specific
springs, shocks, stabilizer bars and coolers for the oil, power steering and
transmission. The Z51 package also has larger cross-drilled brake rotors,
specific Goodyear F1 'Supercar' tires, and performance gear ratios for the
manual transmission and a different rear axle ratio for the automatic.
The twin-cockpit interior configuration looks and feels more sophisticated
than the previous model. The low-gloss calfskin texture on the dash looks
expensive and the center stack has silver trim. Luxury gadgets such as keyless
access, push-button start, DVD-based navigation system with voice activation,
reconfigurable head-up display, satellite radio and GM’s OnStar system make this
the most luxurious Corvette ever.
While my time behind the wheel was cut short by rain, it only whets my desire
to get behind the wheel of a test car for a regular weeklong drive. Hopefully
that will come before the snow flies.

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Specifications
| Engine Type |
6.0L LS2 OHV V-8 , 2 valves per cylinder, aluminum block and
heads |
| Horsepower |
400 @ 6,000 RPM |
| Torque |
400 @ 4,400 RPM |
| Fuel Recommended |
Premium Unleaded. (not required) |
Transmission (std)
Transmission (opt.) |
rear-mounted Six Speed Manual
rear-mounted
four-speed automatic, with Performance Algorithm Shifting |
| Tires - Standard |
Goodyear Eagle F1 GS Extended Mobility
front: P245/40ZR-18 rear: P285/35ZR-19 |
| Tires - Z51 Sport Package |
Goodyear Eagle F1 SC Extended Mobility Asymmetric Tread
front: P245/40ZR-18 rear: P285/35ZR-19 |
| Overall Length |
174.6" |
| Wheelbase |
105.7 |
| Height |
49.1" |
| Width |
72.6" |
| Turning Diameter |
39 ft Curb to Curb |
| Curb Weight |
3,245 (est.) |
| Fuel Tank |
18 Gals. |
| Miles Per Gallon |
EPA city 18, hwy 28. |
| Acceleration 0 to 60 |
3.9 Seconds (est.) |
| Base Sticker Price |
,445 + 0 Destination Charge |
Standard Equipment
(partial list)
- 6.0-liter V-8 engine
- 6-speed manual transmission
- Rear limited slip differential
- Painted alloy rims
- 4-wheel ABS
- Traction control
- Stability control
- Xenon high intensity discharge headlamps
- Front Fog/Driving Lights
- Leather upholstery
- 6-way power driver seat
- Dual zone climate control
- AM/FM in-dash single CD player with MP3 stereo
& 7 speakers
Major Available Options
- 4-Speed Automatic Transmission
- Magnetic Selective Ride Control Suspension
- Performance Handling Package
- DVD Navigation System
- Transparent Removable Roof Panel
- Polished Alloy Wheels
- Millennium Yellow Paint
- OnStar System
- Corvette Museum Delivery
- XM Satellite Radio w/Body-Color Antenna
For more information on the Corvette, visit Corvette.com
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