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2005 Groups & Popular Options

Preferred Package Group, Coupe (1SA)

A bundled equipment package available as a single RPO. Included seat-mounted, side impact air bags, sports seats with perforated leather, 6-way power passenger seat, a cargo net, and a luggage shade.

Preferred Package Group, Coupe (15B)

A bundled equipment package offered only for the coupe. Included all of the options found in Preferred Package Group 1SA plus heads-up display, power-telescopic steering column, auto-dimming inside and outside rearview mirrors, memory package, heated seats, premium Bose stereo with 6-disc in-dash CD changer, and homelink (garage door) transmitter.

Preferred Package Group, Convertible (15B)

A bundled equipment package offered only for the convertible. Included all of the options found in Preferred Package Group 1SA plus heads-up display, power-telescopic steering column, auto-dimming inside and outside rearview mirrors, memory package, heated seats, premium Bose stereo with 6-disc in-dash CD changer, and homelink (garage door) transmitter. Power convertible top (CM7), OnStar (UE1), XM Satellite Radio (U2K), and Navigation (U3U) were optional only with 1SB equipment groups.

Dual Removable Roof Panels, Coupe (C2L

Two removable roof panels – color matched and transparent. This option allowed consumers to purchase both the fiberglass and the Lexan roof tops. Both tops came fully equipped with all weather-stripping and hardware to properly fit/secure them to the car.

Removable Roof Panel (Transparent) – Coupe (CC3)

Optional transparent removable roof panel. All coupes came equipped with a color matched roof panel. Consumers who wished to purchase the transparent panel in place of the color matched (painted fiberglass) roof panel could do so for an additional cost. The transparent roof panel was made out Lexan and included all the same weather-stripping, mouldings, latches and hardware as the color matched, fiberglass top.

Power Convertible Top (CM7)

Optional drive assembly to automate the convertible top . Note: Included a monitor switch in the trunk of the Corvette to identify the top’s status during operation. In some instances, this switch could get out of alignment causing the automatic convertible top to stop operating.

Magnetic Selective Ride Control (F55)

An adjustable ride control system for varying driving conditions. Magnetic Selective Ride Control was available with the coupe or the convertible, but not with the Z51 package. The Magnetic Selective Ride Control system uses a suspension fluid that, when a magnetic field is applied to it, will actually become more rigid, resulting in a firmer suspension and vehicle ride. Optimal for performance driving conditions.

Performance Axle 3.15:1 Ratio (w/Automatic Transmission) (G90)

Upgrade of the standard 2.14:1 axle ratio.

Six Liter V8 (LS2)

The LS2 was the most powerful standard small-block engine offered to date. All-new 319-T5 aluminum deep-skirt block casting with cast-in-place iron cylinder bore liners and cross-bolted main caps. Cylinder head design derived from the C5 Z06. Camshaft lift increased to take advantage of increased head flow. Revised exhaust manifolds are 34 percent lighter. Compression raised to 10.9:1. More powerful engine controller incorporates all electronic throttle control (ETC) functions

Tremec Six-Speed Manual Transmission (MM6)

The Tremec six-speed manual features improved shifting characteristics thanks to numerous upgrades, including new synchronizers that reduce travel by 10 percent, and a redesigned shifter lever. The Tremec is available with two sets of ratios. The more aggressive gear set is reserved for Corvette’s Z51 Performance Package and is tailored with numerically higher gears to improve acceleration. Also, a numerically lower fifth gear gives the Z51 better fuel efficiency and a higher top speed than base models. To increase durability in sustained high-speed situations, the Z51 and the base European manual-transmission models have a transmission cooler.

Four-Speed Automatic Transmission (MX0)

Electronically controlled 4L65-E automatic transmission. The 4L65-E transmission was a stronger version of the C5’s 4L60-E transmission.
The four-speed automatic transmission was a no cost option. Features an electronic controller with a performance shift algorithm which adapts to the operator’s driving patterns. The Hydra-Matic 4L65-E automatic transmission is an upgraded version of the C5’s 4L60-E, strengthened and revised to accommodate the LS2 engine’s torque. It includes GM’s advanced Performance Algorithm Shifting, which automatically selects the optimal gear for a given driving condition.

Polished Aluminum Wheels (QG7)

Polished finish on 5-spoke aluminum factory wheels. Wheel size was 18×8.5 inches in the front, 19×10 inches in the rear. Tire size was P245/40ZR-18 in the front; P285/35ZR-19 in the rear. Standard tires were Goodyear Eagle F1 Extended Mobility Technology (EMT).

Competition Gray Aluminum Wheels (QX1)

Painted finish on 5-spoke aluminum factory wheels. Wheel size was 18×8.5 inches in the front, 19×10 inches in the rear. Tire size was P245/40ZR-18 in the front; P285/35ZR-19 in the rear. Standard tires were Goodyear Eagle F1 Extended Mobility Technology (EMT).

Corvette Museum Delivery (R8C)

When selected, the Corvette is diverted from the ordering dealer and delivered to the Museum. Once the new Corvette arrives at the museum, the new owner travels to Bowling Green where they enjoy the VIP treatment for a full day with private tours of the assembly plant and the museum.
The National Corvette Museum Experience is a similar activity for those who already have their Corvette but want to enjoy the unique VIP treatment.

OnStar (UE1)

Subscription based communications, in-vehicle safety & security and driving directions system. The OnStar System was a new option for the 2005 model year. Included one year of free service.

XM Satellite Radio (U2K)

A satellite radio service that broadcasts across the United States and Canada. XM Satellite Radio was a new option for the 2005 model year.
It is a paid-for radio service. Includes one-year subscription.

AM/FM CD w/DVD Navigation (U3U

Stereo upgrade featuring Bose technology, DVD playback, and navigation. The CD Navigation System included a 6.5″ LCD color touch screen with voice recognition. U3U deleted the 6-disc in-dash CD and MP3 player. DVD-based navigation was a new option for the 2005 model year.

Performance Package (Z51)

The Z51 Performance Package included specific springs, shocks and stabilizer bars, larger cross-drilled brake rotors, engine oil, transmission and power steering fluid coolers, Goodyear Supercar EMT asymmetrical tires. It also included quicker gear ratios for the 6-speed manual transmission, or the G90 3.15 Performance Axle on the automatic transmission. The Z51 Performance Package initial option cost was $1,495 compared to 2004’s Z51 package price of $395, but also included considerably more equipment.

Remote Compact 12-Disc Changer (U1S)

Remote 12-disc CD player/disc changer (installed in rear storage compartment.
This option could be ordered either with the standard Delco Stereo with cassette, or the optional Delco Stereo with CD player.

Notes

First year for the C6 (sixth-generation) Corvette.

The 2005 Corvette retained the C5’s front-engine, rear-transmission layout, but its body and interior were new, most chassis parts were re-engineered, and nearly all of the car’s dimensions were changed.

The car is capable of 186 mph (300 km/h), faster than any production Corvette in history. It reaches zero to 100 km/h (62 mph) in 4.2 seconds, and in 4.1 seconds with the optional Z51 Performance Package, and covers the quarter-mile in 12.6 seconds at 114 mph (183 km/h).

The C6’s length was reduced by 5.1 inches and the width reduced by 1.1 inches. The wheelbase increased 1.2 inches to 105.7 inches.

The 2005 Corvette was the first model to feature exposed headlights since the 1962 model. It used Xenon high intensity discharge low-beam projector lenses, and tungsten-halogen high-beam projectors under clear polycarbonate covers. The covers also included parking lights, side-turn markers and daytime running lights, all set into body-color housings.

The 2005 Corvette coupe was introduced at the Detroit International Auto Show in January, 2004. The 2005 Corvette convertible was introduced at the Geneva Auto Show in March, 2004.<.p>

The 2005 Corvette had keyless access and start. A standard key was issued for the glove box, console and emergency entry, but normal door lock/unlock and push-button starting were activated by key fob proximity.

A red 2005 Corvette convertible paced the Indianapolis 500 on May 29th, 2005.