| Powertrain
/ Chassis |
3800
3.8L Series II V-6 (L36) |
Northstar
4.6L V-8 |
| Application |
std on SE and SLE |
std on GXP |
| Type |
3.8L V-6 |
4.6L DOHC 32V V-8 |
| Displacement (cu in / cc) |
231 / 3800 |
278 / 4565 |
| Bore & stroke (in / mm) |
3.8 x 3.4 / 96.52 x 86.36 |
3.66 x 3.31 / 93 x 84 |
| Block material |
cast iron |
aluminum |
| Cylinder head material |
cast iron |
aluminum |
| Valvetrain |
OHV, 2 valves per cylinder |
DOHC, 4 valves per cylinder |
| Ignition system |
electronic |
electronic |
| Fuel delivery |
sequential-port fuel
injection |
sequential-port fuel
injection |
| Compression ratio |
9.4:1 |
10.0:1 |
| Horsepower (hp / kw @ rpm) |
205 / 153 @ 5200 |
275 / 205 @ 5600 (estimated) |
| Torque (lb-ft / Nm @ rpm) |
230 / 312 @ 4000 |
300 / 406 @ 4000 (estimated) |
| Recommended fuel |
87 octane |
92 octane |
| Maximum engine speed (rpm) |
6000 |
6500 |
| Emissions controls |
catalytic converter /
EGR |
catalytic converter /
EGR |
Estimated fuel economy
(mpg city / hwy / combined) |
20 / 29 / 24 |
not available |
| Chassis
/ Suspension |
SE |
SLE
/ GXP |
| Front |
deflected-disc MacPherson
struts; coil spring over strut (27 Nm); 29-mm stabilizer
bar |
deflected-disc MacPherson
struts; coil spring over strut (27 Nm); 30-mm stabilizer
bar |
| Rear |
automatic
level control (variable rate 48-65 Nm) coil springs
(36 Nm); Cadiz shocks; independent lower control arm |
automatic
level control (variable rate 48-65 Nm) coil springs
(36 Nm); Cadiz shocks; independent lower control arm;
20-mm stabilizer barGXP: Monotube DeCarbon rear dampers,
22-inch solid stabilizer bar |
| Steering type |
15.3:1 to 20.3:1 |
15.3:1 to 20.3:1 |
| Steering wheel turns,
lock-to-lock |
3.2 |
3.2 |
| Turning circle, curb-to-curb (ft / m) |
40.5 / 12.3 |
40.5 / 12.3 |
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