National Corvette Museum
National Corvette Museum
 

2003 Specifications

Model Lineup
Key: S = Standard, O = Optional, - = Not Available

 

Engines

Transmissions

 

Coupe

S

-

S

O

Convertible

S

-

S

O

Z06

-

S

-

S

Overview

Model:

Chevrolet Corvette Coupe, Convertible, Z06

Body style / driveline:

two-door hatchback coupe, convertible and hardtop;

rear-drive, front-engine

Body material:

Composite

EPA vehicle class:

two-seater

Manufacturing location:

Bowling Green, Kentucky

Engines

 

5.7L (LS1) V8

5.7L (LS6) V8

Application:

standard on Coupe, Convertible"

standard on Z06

Type:

5.7-liter OHV

5.7-liter OHV

Block material:

cast aluminum

cast aluminum

Displacement (cu in / cc):

350 / 5665

350 / 5665

Bore x stroke (in / mm):

3.90 x 3.62 / 99.0 x 92.0

3.90 x 3.62 / 99.0 x 92.0

Cylinder head material:

cast aluminum

cast aluminum

Valvetrain:

overhead valve, two valves"

overhead valve, two valves"

 

per cylinder

per cylinder

Fuel delivery:

SFI (sequential port fuel injection)

SFI (sequential port fuel injection)

Compression ratio:

10.1:1

10.5:1

Horsepower (hp / kw @ rpm):

350 / 261 @ 5600

405 / 302 @ 6000

Torque (lb-ft / Nm @ rpm):

manual: 375 / 508 @ 4400

400 / 542 @ 4800

automatic: 360 / 489 @ 4000

Recommended fuel:

93 octane

93 octane

Maximum engine speed (rpm):

6000

6500

Emission control system:

catalytic converter AIR

catalytic converter AIR

 

4-speed automatic

6-speed manual

Estimated fuel economy

(mpg city / hwy / combined):

19 / 28 / 23 (manual trans Coupe and Convertible)

19 / 28 / 23 (manual trans Z06)

18 / 25 / 21 (auto trans Coupe and Convertible)

Transmissions

 

4L60-E

6-speed manual

6-speed manual

Application

standard on Coupe and Convertible

optional on Coupe and Convertible

standard on Z06

Gear ratios (:1):

First:

3.06

2.66

2.97

Second:

1.63

1.78

2.07

Third:

1

1.3

1.43

Fourth:

0.7

1

1

Fifth:

0.74

0.84

Sixth:

0.5

0.56

Reverse:

2.29

2.9

3.28

Final drive ratio (:1):

std: 2.73; opt: 3.15

3.42

3.42

Chassis/Suspension

Front:

short/long arm (SLA) double wishbone, cast aluminum upper & lower control arms, transverse-mounted composite leaf spring, monotube shock absorber

Rear:

short/long arm (SLA) double wishbone, cast aluminum upper & lower control arms, transverse-mounted composite leaf spring, monotube shock absorber

Stabilizer bar diameter (in / mm):

Standard:

.75 / 19.1

F55:

.75 / 19.1

Z51:

.85 / 21.7

FE4:

.85 / 21.7

Traction control:

electronic traction control, active handling

Steering:

speed sensitive power-assisted rack-and-pinion

Ratio:

16.1:1

Steering wheel turns, lock-to-lock:

2.66

Turning circle, curb-to-curb (ft / m):

40.2 / 12.1

Brakes

Type:

power-assisted disc with ABS, front and rear

Rotor diameter x thickness (in / mm):

front: 12.6 x 1.26 / 325 x 32; rear: 11.8 x 1.0 / 305 x 26

Swept area (sq in / sq cm):

front: 263 / 1696; rear: 158 / 1018

Wheels/Tires

 

Coupe & Convertible

Z06

Wheels:

standard: cast aluminum

cast spun aluminum

optional: forged aluminum high polish

"Size, diameter x width:

front: 17 x 8.5;

front: 17 x 9.5;

rear: 18 x 9.5

rear: 18 x 10.5

Tires:

Goodyear Eagle F1 GS

Goodyear Eagle F1 SC

Dimensions

Exterior

Coupe

Convertible

Z06

Wheelbase (in / mm):

104.5 / 2655.5

104.5 / 2655.5

104.5 / 2655.5

Overall length (in / mm):

179.7 / 4565.6

179.7 / 4565.5

179.7 / 4565.5

Overall width (in / mm):

73.6 / 1869.4

73.6 / 1869.4

73.6 / 1869.4

Overall height (in / mm):

47.7/ 1211.5

47.8 / 1214.7

47.7 / 1211.5

Track (in / mm):

Front:

61.9 / 1572.3

61.9 / 1572.3

62.4 / 1584.5

Rear:

62.0 / 1574.5

62.0 / 1574.5

62.6 / 1589.5

Base curb weight (lbs / kg):

3246 / 1458

3248 / 1456

3118 / 1414

Weight distribution (% f / r):

51 / 49

51 / 49

53 / 47

 

Interior

Coupe

Convertible

Z06

Seating capacity (front / rear):

2 / 0

2 / 0

2 / 0

Head room (in / mm):

37.9 / 963

37.9 / 963

37.8 / 960

Leg room (in / mm):

42.7 / 1085

42.7 / 1085

42.7 / 1085

Shoulder room (in / mm):

55.3 / 1405

55.3 / 1405

55.3 / 1405

Hip room (in / mm):

54.2 / 1377

54.2 / 1377

54.2 / 1377

Capacities

Cargo volume (cu ft / liters):

Coupe: 24.8 / 702; Convertible: 13.9 / 394; Z06: 13.3 / 377

Fuel tank capacity

18.0 / 68.1

Engine oil w/ filter(qts / liters):

6.5 / 6.15

Engine coolant (qts / liters):

automatic: 11.5 / 10.9; manual: 11.8 / 11.2