All New 2008 Saturn Astra in Detail

Models:

three-door (XR) and five-door (XE or XR)

Body style / driveline:

5-passenger, front engine, front-wheel drive

Construction:

unitized body/frame

EPA vehicle class:

compact car

Key competitors:

Honda Civic, Volkswagen Rabbit, Mazda 3

Ecotec 1.8L

Type:

1.8L DOHC I-4

Displacement (cu in / cc):

110 / 1796

Bore & stroke (in / mm):

3.16 x 3.47 / 80.5 x 88.2

Block material:

cast iron

Cylinder head material:

cast aluminum

Valvetrain:

overhead camshafts, 4 valves per cylinder w/ variable valve timing

Ignition system:

electronic direct

Fuel delivery:

sequential multi-port fuel injection with electronic throttle control

Compression ratio:

10.5:1

Horsepower (hp / kW @ rpm):

140 / 104 @ 6300*

Torque (lb-ft / Nm @ rpm):

126 / 170 @ 3800*

Recommended fuel:

regular unleaded

Maximum engine speed (rpm):

6500

Exhaust system:

stainless steel with aluminized coating on the muffler and tailpipe

Emissions controls:

close-coupled catalytic converters; Quick-Sync 24X ignition system; returnless fuel delivery system; fast-response O 2 sensor

Estimated fuel economy
(mpg city / hwy):

27 / 34**

Type:

five-speed manual

four-speed automatic

Gear ratios (:1):

First:

3.73

2.81

Second:

2.14

1.48

Third:

1.41

1.00

Fourth:

1.12

0.74

Fifth:

0.89

--

Final drive ratio:

3.94

4.12

Front:

independent strut-type suspension with stabilizer bar

Rear:

semi-independent torsion beam with stabilizer bar

Steering type:

electro-hydraulic power-assisted rack-and-pinion; variable-assist available

Steering ratio:

15:1 (std on 5-door)
14:1 (std on 3-door; opt on 5-door)

Steering wheel turns, lock-to-lock:

3.6

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

34.4 / 10.5 (w/ standard 16-in wheels)

Type:

four-wheel disc, power-assisted w/ std ABS; vented front disc rotors, solid rear disc rotors

Front rotor
(diameter x thickness, in / mm):

12.13 x .98 / 308 x 25

Rear rotor
(diameter x thickness in / mm):

10.39 x .39 / 264 x 10

Front total swept area (sq in / sq cm):

124.8 / 805

Rear total swept area (sq in / sq cm):

93 / 600

Wheel size and type:

16-inch steel (std on XE)
16-inch aluminum (std on XR five-door; opt on XE)
17-inch aluminum (std on three-door XR; opt on five-door XR)
18-inch aluminum (opt on XR three-door)

Tires:

205/55R16 all-season touring
225/45R17 all-season performance
225/40R18 high-performance, summer only

Exterior

Three-Door

Five-Door

Wheelbase (in / mm):

102.9 / 2614

102.9 / 2614

Overall length (in / mm):

171.1 / 4346

171.1 / 4345

Overall width (in / mm):

80.0 / 2033

80.0 / 2033

Overall height (in / mm):

53.8 / 1366

55.2 / 1401

Track, front and rear (in / mm):

58.6 / 1488

58.6 / 1488

Curb weight (lb / kg, with manual trans.):

2833 / 1285

2921 / 1325

Weight distribution (% front / rear):

63 / 37

62 / 38

Three-Door

Five-Door

Front

Rear

Front

Rear

Seating capacity:

2

3

2

3

Headroom (in / mm):

39 / 988

38.5 / 977

39 / 988

38.5 / 977

Legroom (in / mm):

42 / 1064

36 / 907

42 / 1064

36 / 907

Shoulder room (in / mm):

54 / 1370

53 / 1346

54 / 1370

53 / 1346

Hip room (in / mm):

51.3 / 1304

51 / 1296

51.8 / 1315

51.4 / 1307

Cargo volume (cu ft /L, 5-door):

12.5 / 355 (rear seat up; up to cargo compartment cover)
44.8 / 1270 (rear seat down; up to ceiling)

Trailer towing maximum (lb / kg):

1388 / 630

Fuel tank (gal / L):

12.2 / 46.0

Engine oil (qt / L):

4.5 / 4.3