2010 Corvette Grand Sport

2010 Chevrolet Corvette Grand Sport

Wide Body Corvette

Looking for a killer wide-body Super Corvette, the 2010 Grand Sport is the one! Let’s start with the base steel frame and powered by the LS3 engine. From there Z51 performance package parts such as manual transmission closer ratio gearing, are mixed in and a Zo6 hood, anti-roll bars, cross-drilled brake rotors, plus front and rear fascias completes this special Grand Sport package. The GS also allows for open-air driving with the removable-roof hatchback or convertible body styles.

So is this Grand Sport worthy of its name? Lets look at its predisesors to find out! The 1963 Corvette Grand Sport was born out of the ’63 Z06 package that consisted of a 327 cubic inch power plant with 360 horsepower and was fuel injected. It was fitted with a 4 speed manual transmission, heavy duty shocks and springs, power brakes, a posi-traction real end and a hugh 36 gallon fuel tank! To make it race competitive, the first Grand Sport was fitted with a 377 cubic inch aluminum block engine that pushed over 550 horsepower! The original GS Corvettes were assembled strictly for the 1963 Le Mans race and due to some in-house General Motors management decisions, it never made it to Le Mans.

Not until 1996 would the name Grand Sport be mass produced as the final year in the fourth generation Corvette. All 1000 models were Admiral Blue exterior with an Arctic White stripe down the middle and red has marks on the left front fender. They were equipped with 330 horse power LT4 engines with 810 of them boxed up as coupes and 190 delivered as convertibles.

In between 1996 and 2010 were two model years (1999 and 2005) that sported the C5.R impressive package proudly taking three GTS class wins in Le Mans in 2001 with our 1999 C5.R. The 2005 C5.R clinched 39 GT1 races including twelve consecutive wins from 2005-2006 and crushing 25 straight wins in 2007 to 2009. Neither the 1999 or the 2005 Corvette models were labeled Grand Sport.

2010 Grand Sport Introduced

So for 2010, the once again the final production year for the C6 generation, came the return of the Grand Sport. Its wide body and unique set of wheels set this C6 apart from any other. The Grand Sport outlived the Z51 in the model lineup as the highest performing “base” car. The going price for all of the Z06 stuff  jacks the price by $4510 over Z51. At a starting price of $55,720 the Grand Sport rings in almost $20K less than the aluminum-frame 7.0-liter Z06. Chevrolet expects up to half of all Corvette sales to be the Grand Sport edition!

Some unique features on Grand Sport may include a launch control system on manual transmission Corvettes. This computer controlled transmission assesses available traction 100 times per second  allowing drivers to rocket the vehicle under any conditions. This sends Grand Sport around the 2.9-mile road course at GM’s Milford proving grounds a full two seconds faster than was last year’s model with the Z51 handling package.

Special Edition and Packages

Chevrolet is offering a Corvette Grand Sport edition as a convertible or targa-topped coupe and with a manual or automatic. Another available option, the Heritage package, brings back the missing Grand Sport front-fender hash marks and two-tone seats.

Grand Sport is a new model line and not a low-volume special. Chevy stated that about half of all  Corvette sales would be Grand Sports editions. Customers were had requested more Z06-like features and without the 505 horse power coupe/manual transmission only limitations.

 2010 Grand Sport starts the base Corvette with a 430 horse power LS3 and 436 horse power with the optional exhaust.  Outward appearance changes include front air inlet, bulging fenders, and rear brake-cooling ducts which actually reduce aerodynamic lift. As for its fuel economy it still boasts an impressive 16 city/26 highway mpg for the coupe and 15 city/25 highway for the convertible. We think convertible people just drive faster!

Awesome Engineering!

When we start analyzing the value of the Grand Sport, the manual-transmission coupe provides the best all around package. It is sized with a differential cooler and the dry-sump oiling system that mimics its rivals, the Z06 and ZR1 and increases its capacity to 10.5 quarts. These highly engineered LS3 engines are hand built alongside the LS7 and LS9 from the Z06 and ZR1. They can provide the added benefit of the dual oil pump and longer crankshaft in conjunction with the dry-sump setup.

Grand Sport weights in at forty pounds heavier to just over 3300, roughly 100 more pounds than the Z06 with comparable performance to the Z51’s 4.0-second 0-to-60-mph time. This Corvette will do some serious track with much compromise for handling. This Grand Sport still packs plenty of power to break the rear tires loose and plunge you into your next atmosphere!

2010 Chevrolet Corvette Grand Sport
POWERTRAIN/CHASSIS
Drivetrain layout Front-engine, RWD
Engine type 90-deg V-8, alum block/heads
Valvetrain OHV, 2 valves/cyl
Displacement 376.1 cu in/6162cc
Compression ratio 10.7:1
Power (SAE net) 436 hp @ 5900 rpm*
Torque (SAE net) 428 lb-ft @ 4600 rpm*
Redline 6500 rpm
Weight to power 7.6 lb/hp
Transmission 6-speed manual
Axle/final-drive ratios 3.42:1/1.92:1
Suspension, front; rear Control arms, transverse leaf spring, anti-roll bar; control arms, transverse leaf spring, anti-roll bar
Steering ratio 15.0:1-17.1:1
Turns lock-to-lock 2.5
Brakes, f/r 14.0-in vented, drilled disc; 13.4-in vented, drilled disc, ABS
Wheels, f/r 9.5 x 18-in; 12.0 x 19-in, cast, aluminum,
Tires, f/r 275/35R18 87Y; 335/30R19 94Y Goodyear Eagle F1 Supercar
DIMENSIONS
Wheelbase 105.7 in
Track, f/r 63.5/62.5 in
Length x width x height 175.6 x 75.9 x 48.7 in
Turning circle 39.0 ft
Curb weight 3324 lb
Weight dist., f/r 51/49 %
Seating capacity 2
Headroom 37.9 in
Legroom 43.0 in
Shoulder room 55.0 in
Cargo volume 22.0 cu ft
TEST DATA
Acceleration to mph
0-30 1.7 sec
0-40 2.3
0-50 3.1
0-60 3.9
0-70 4.9
0-80 6.1
0-90 7.4
0-100 8.8
0-110 10.8
0-120 12.8
Passing, 45-65 mph 1.7
Quarter mile 12.2 sec @ 117.0 mph
Braking, 100-0 mph 294 ft
Braking, 60-0 mph 104 ft
Lateral acceleration 0.99 g (avg)
Top-gear revs @ 60 mph 1500 rpm
CONSUMER INFO
Base price $55,720
Stability/traction control Yes/yes
Airbags Dual front, front side
Basic warranty 3 yrs/36,000 miles
Powertrain warranty 5 yrs/100,000 miles
Roadside assistance 5 yrs/100,000 miles
Fuel capacity 18.0 gal
EPA city/hwy econ 16/26 mpg
CO2 emissions 1.00 lb/mile
Recommended fuel Unleaded premium
*SAE Certified

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