2003 Buick Regal - Specs

Model Lineup	Engines		Transmission
	3800 3.8L 3800 SC Series II V6	3.8L Supercharged Series II V6	4-spd auto (Hydra-Matic 4T65-E)
Regal LS	Standard	-	Standard
Regal GS	-	Standard	Standard

Engine	3800 3.8L Series II V6	3800 SC 3.8L Series II Supercharged V6
Application	LS	GS
Type	3.8-liter V6	3.8-liter supercharged V6
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
Fuel delivery	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 / combined)	19 / 29 / 24	18 / 28 / 23

Transmission	4T65-E
Type	Hydra-Matic 4T65-E four-speed electronically controlled automatic with overdrive
Gear ratios:
1st	2.92:1
2nd	1.57:1
3rd	1.00:1
4th	0.71:1
Reverse	2.39:1
Final drive ratio	LS: 3.05:1
	GS: 2.93:1

Suspension	2003 Buick Regal
Front	MacPherson strut with 30mm hollow stabilizer bar
Rear	independent strut-type coil spring with 17mm hollow stabilizer bar

Steering	2003 Buick Regal
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	2003 Buick Regal
Type	four-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	2003 Buick Regal
Wheel size and type	deluxe bolt-on covers 15 x 6-inch optional
	LS/GS: chrome-plated aluminum 16 x 6.5-inch optional
	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	2003 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 (lbs / kg)	LS: 3461 / 1570
	GS: 3536 / 1604

Interior Dimensions	Front	Rear
Seating capacity	2	3
Head room (in / mm)	39.4 / 1001	37.4 / 950
Leg room (in / mm)	42.4 / 1077	36.9 / 937
Shoulder room (in / mm)	58 / 1473	57.1 / 1450
Hip room (in / mm)	54.4 / 1382	53.3 / 1359

Capacities	2003 Buick Regal
EPA passenger volume (cu ft / liters)	101.8 / 2883
EPA interior volume (cu ft / liters)	118.5 / 3356
Cargo volume (cu ft / liters)	16.7 / 473
Trailer towing maximum (lbs / kg)	1000 / 454
Fuel tank (gals / liters)	17 / 64.3
Engine oil (qts / liters)	5 / 4.73
Cooling system (qts / liters)	11.6 / 11

Used Car Price Quote on a 2003 Buick Regal.