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Car Financing
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Dimensions and capacities are in inches unless otherwise specified.
| Powertrain
/ Chassis |
3800
3.8L
Series III V-6 (L26) |
3800
SC 3.8L Supercharged
Series III V-6 (L32) |
| Application |
std on Grand Prix and GT |
std on GTP |
| Type |
3.8L V-6 |
3.8L supercharged V-6 |
| Displacement (cu in / cc) |
231 / 3791 |
231 / 3791 |
| Bore & stroke (in / mm) |
3.8 x 3.4 / 96.52 x 86.36 |
3.8 x 3.4 / 96.52 x 86.36 |
| Block material |
thin wall cast iron |
thin wall cast iron |
| Cylinder head material |
cast iron |
cast iron |
| Valvetrain |
OHV, 2 valves per cylinder |
OHV, 2 valves per cylinder |
| Ignition system |
electronic |
electronic |
| Fuel delivery |
sequential-port fuel injection |
sequential-port fuel injection |
| Compression ratio |
9.4:1 |
8.5:1 |
| Horsepower (hp / kw @ rpm) |
200 / 145 @ 5200 |
260 / 186 @ 5200 |
| Torque (lb-ft / Nm @ rpm) |
230 / 312 @ 4000 |
280 / 380 @ 3600 |
| Recommended fuel |
87 octane |
92 octane recommended |
| Maximum engine speed (rpm) |
5900 |
5800 |
| Emissions controls |
catalytic converter/EGR |
catalytic converter/EGR |
MPG (city/hwy/comb)
|
20 / 30 / 24 |
18 / 28 / 22 |
| MPIG (city / hwy / combined) |
24 / 40 / 29 |
22 / 37 / 27 |
| 22 / 34 / 26 - with
TAP |
| L/100km (city / hwy / combined) |
11.8 / 7.1 / 9.7 |
12.6 / 7.6 / 10.4 |
| 13.0 / 8.3 / 10.9 - with TAP |
| Transmission |
2005 Pontiac
Grand Prix |
| Type |
Hydra-Matic 4T65-E 4-speed electronic automatic
FWD transverse
|
| Gear Ratios (:1) |
| 1st |
2.92
|
| 2nd |
1.57
|
| 3rd |
1.00
|
| 4th |
0.71
|
| Reverse |
2.39
|
| Final drive ratio |
3800: 3.05:1 (GT)
|
| 3800 SC: 2.93:1 (GTP) |
| 3800 SC: 3.29:1 (GTP with Comp G Package) |
| Chassis
/ Suspension |
2005 Pontiac
Grand Prix |
| Front |
MacPherson struts with coil springs,
lower A-arm, 20-mm solid anti-roll bar |
| Rear |
independent, tri-link
coil over strut, 17.2-mm anti-roll bar on GT/GTP |
| Steering type |
low-friction rack and pinion, power-assisted
with Magnasteer I on GT2/GTP, Magnasteer II on GTP with Comp G |
| Steering ratio |
13.2:1 |
| Steering wheel turns, lock-to-lock |
2.4 |
| Turning circle, curb-to-curb (ft / m) |
37.4 / 11.3 |
| Brakes |
2005 Pontiac
Grand Prix |
| Type |
4-wheel disc, ABS
|
std on GT and GTP, opt on Grand Prix |
|
front
|
vented discs, power assisted |
|
rear
|
solid discs, power assisted |
| Rotor diameter (in / mm) |
front
|
11.7 / 297 |
|
rear
|
10.5 / 270 |
| Wheels and Tires |
Grand
Prix, GT |
GTP |
GTP
Comp G |
| Wheel size & type |
| 16-inch steel, 16-inch 5-spoke aluminum
(GT2) |
17-inch 5-spoke aluminum, std tire inflation
monitoring system |
17-inch multi-spoke aluminum, std tire
inflation monitoring system |
| Tires |
Goodyear Eagle LSP225/60R16,
S speed-rated |
Michelin Energy P225/55R17,
H speed-rated |
Goodrich Comp T/A P225/55R17,
V speed-rated |
| Exterior
Dimensions |
Grand Prix |
GT |
GTP |
| Wheelbase (in / mm) |
110.5 / 2807 |
110.5 / 2807 |
110.5 / 2807 |
| Overall length (in / mm) |
198.3 / 5038 |
198.3 / 5038 |
198.3 / 5038 |
| Overall width (in / mm) |
73.8 / 1875 |
73.8 / 1875 |
73.8 / 1875 |
| Overall height (in / mm) |
55.9 / 1420 |
55.9 / 1420 |
55.9 / 1420 |
| Track (in / mm) |
front |
61.7 / 1568 |
61.7 / 1568 |
61.7 / 1568 |
| rear |
62.1 / 1577 |
62.1 / 1577 |
62.1 / 1577 |
| Curb weight (lb / kg) |
3477 / 1577 |
3484 / 1581 |
3583 / 1625 |
| Weight distribution (% front / rear) |
62 / 38 |
62 / 38 |
not available |
| Interior
Dimensions |
2005 Pontiac
Grand Prix |
| Seating capacity (front / rear) |
2 / 3 |
| Head room (in / mm) |
Front |
38.5 / 978 |
| Rear |
36.5 / 928 |
| Leg room (in / mm) |
Front |
42.4 / 1076 |
| Rear |
36.5 / 926 |
| Shoulder room (in / mm) |
Front |
57.9 / 1472 |
| Rear |
55.5 / 1410 |
| Hip room (in / mm) |
Front |
54.6 / 1388 |
| Rear |
53.5 / 1360 |
| Capacities |
2005 Pontiac
Grand Prix |
| EPA passenger volume index (cu ft
/ L) |
114 / 3228 |
| Cargo volume (cu ft / L) |
16 / 453, 57 / 1614 with all seats folded
down |
| Trailer towing maximum (lb / kg) |
1000 / 454 |
| Fuel tank (gal / L) |
17 / 64.3 |
| Engine oil (qt / L) |
3.8L engine: 4.3 / 4.1 |
| Cooling system (qt / L) |
3.8L engine: 11.2 / 10.6 |
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a Price Quote on a 2005 Pontiac Grand Prix.
Although New-Cars.com checks with auto manufacturers and their representatives
to confirm the accuracy of the data, it makes no guarantee or warranty,
either expressed or implied with respect to the data presented here. All
specifications, prices and equipment are subject to change without notice.
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