|
| Engines |
3800
3.8L Series II V-6 |
3800
SC Series II V-6 |
| Application |
LS |
GS |
| Type |
3.8L V-6 |
3.8L supercharged V-6 |
| Displacement (cu in / cc) |
231 / 3791 |
231 / 3791 |
| Bore & stroke (in / mm) |
3.80 x 3.40 / 96.52 x
86.36 |
3.80 x 3.40 / 96.52 x
86.36 |
| Block material |
cast iron |
cast iron |
| Cylinder head material |
cast iron |
cast iron |
| Valvetrain |
OHV |
OHV |
| Ignition system |
sequential port fuel
injection |
sequential port fuel
injection |
| Compression ratio |
9.4:1 |
8.5:1 |
| Horsepower (hp / kw @ rpm) |
200 / 149 @ 5200 |
240 / 179 @ 5200 |
| Torque (lb.-ft. / Nm @ rpm) |
225 / 305 @ 4000 |
280 / 380 @ 3600 |
| Recommended fuel |
unleaded regular |
unleaded premium |
| Exhaust system |
dual stainless steel |
bright dual stainless
steel |
Estimated fuel economy
(mpg city / hwy / comb) |
19 / 29 / 24 |
18 / 28 / 23 |
| Transmission |
2004
Buick Regal |
| Type |
Hydra-Matic 4T65-E 4-speed
electronically controlled automatic with overdrive |
| Gear Ratios (:1) |
| 1st |
2.92
|
| 2nd |
1.57 |
| 3rd |
1.00 |
| 4th |
0.71 |
| Reverse |
2.39 |
| Final drive ratio |
LS: 3.05:1 |
| GS:
2.93:1 |
| Chassis
/ Suspension |
2004
Buick Regal |
| Front |
MacPherson strut with
30-mm hollow stabilizer bar |
Rear
|
independent
strut-type coil spring with 17-mm hollow stabilizer
bar |
| Steering type |
power rack-and-pinion |
| Steering ratio |
13.3:1 |
| Steering wheel turns, lock-to-lock |
2.39 |
| Turning circle, curb
to curb (ft / m) |
37.5
/ 11.4 |
| Brakes |
2004
Buick Regal |
| Type |
4-wheel disc with power
assist, vented front, solid rear |
| Rotor diameter
x thickness (in / mm) |
Front |
10.8
x 1.3 / 274.3 x 33 |
| Rear |
10.9
x 0.4 / 276.9 x 10.6 |
| Wheels and
Tires |
2004
Buick Regal |
| Wheel size and type |
deluxe bolt-on covers
15 x 6-inch |
| opt LS/GS: chrome-plated
aluminum 16 x 6.5-inch |
| opt LS: cast aluminum
16 x 6.5-inch |
| Tires |
LS |
P215/70R15
steel-belted, radial-ply, all-season blackwalls |
| GS |
P225/60R16
steel-belted, radial-ply, all-season touring blackwalls |
| Exterior
Dimensions |
2004
Buick Regal |
| Wheelbase (in / mm) |
109
/ 2769 |
| Overall length (in / mm) |
196.2 / 4983 |
| Overall width (in / mm) |
72.7
/ 1847 |
| Overall height (in / mm) |
56.6 / 1438 |
| Track (in / mm) |
Front |
62 / 1575 |
| Rear |
61.3 / 1557 |
| Curb weight (lb / kg) |
LS |
3461 / 1570 |
| GS |
3536 / 1604 |
| Interior
Dimensions |
2004
Buick Regal |
| Seating
capacity (total 5) |
Front |
2 |
| Rear |
3 |
| Head room (in / mm) |
Front |
39.4 / 1001 |
| Rear |
37.4
/ 950 |
| Leg room (in / mm) |
Front |
42.4 / 1077 |
| Rear |
36.9
/ 937 |
| Shoulder room (in / mm) |
Front |
58 / 1473 |
| Rear |
57.1
/ 1450 |
| Hip room (in / mm) |
Front |
54.4 / 1382 |
| Rear |
53.3
/ 1359 |
| Capacities |
2004
Buick Regal |
| EPA passenger volume (cu ft / L) |
101.8 / 2883 |
EPA interior volume
(cu ft / L)
|
118.5
/ 3356 |
| Cargo volume (cu ft / L) |
16.7 / 473 |
| Trailer towing maximum
(lb / kg) |
1000
/ 454 |
| Fuel tank (gal / L) |
17 / 64.3 |
| Engine oil (qt / L) |
5 /
4.7 |
| Cooling system (qt / L) |
11.6 / 11 |
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