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2005 Chevrolet Impala Specs

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Visit Chevrolet for more information on the Chevrolet Impala.

Engine Specs
Transmission
Chassis Specs
Exterior
Interior
Capacities

Dimensions and capacities are in inches unless otherwise specified.

Powertrain / Chassis	3400 3.4L V-6 (LA1)	3800 3.8L Series II V-6 (L36)	3800 3.8L Supercharged Series II V-6 (L67)
Application	sedan	opt on sedan std on LS	SS
Type	3.4L V-6	3.8L V-6	3.8L Supercharged V-6
Displacement (cu in / cc)	207 / 3350	231 / 3791	231 / 3791
Bore & stroke (in / mm)	3.62 x 3.31 / 92 x 84	3.80 x 3.40 / 96.5 x 86.4	3.80 x 3.40 / 96.5 x 86.4
Block material	cast iron	cast iron	cast iron
Cylinder head material	cast aluminum	cast iron	cast iron
Valvetrain	OHV, 2 valves per cylinder	OHV, 2 valves per cylinder	OHV, 2 valves per cylinder
Ignition system	direct	direct	direct
Fuel delivery	sequential fuel injection	sequential fuel injection	sequential fuel injection
Compression ratio	9.5:1	9.4:1	8.5:1
Horsepower (hp / kw @ rpm)	180 / 134 @ 5200	200 / 149 @ 5200	240 / 179 @ 5200
Torque (lb-ft / Nm @ rpm)	205 / 278 @ 4000	225 / 305 @ 4000	280 / 380 @ 3600
Recommended fuel	87 octane	87 octane	92 octane required
Maximum engine speed (rpm)	6000	6000	6000
Emissions controls	evaporative system with catalytic converter/ EGR/PCV	evaporative system with catalytic converter/ EGR/PCV	evaporative system with catalytic converter/ EGR/PCV
Estimated fuel economy (mpg city / hwy / combined)	21 / 32 / 26	20 / 30 / 25	18 / 28 / 22.5
MPIG (city / hwy / combined)	25 / 42 / 31	24 / 39 / 29	21 / 34 / 25
L/100km (city / hwy / combined)	11.1 / 6.8 / 9.2	11.9 / 7.3 / 9.8	13.4 / 8.2 / 11.1

Transmission	2005 Chevrolet Impala
Type	Hydra-Matic 4T65-E, 4-speed automatic, front-wheel drive
Gear Ratios (:1)
1st	2.92
2nd	1.57
3rd	1.00
4th	0.71
5th	2.39
Final drive ratio	LA1: 2.86:1; L36: 3.05:1; L36 (police): 3.29:1; L67: 2.93:1

Chassis / Suspension	2005 Chevrolet Impala
Front	independent MacPherson struts, variable rate coil springs, hollow 32-mm stabilizer bar (SS has hollow 34-mm stabilizer bar)
Rear	independent MacPherson struts, non-linear coil springs, solid 14-mm stabilizer bar (SS has dual rate coil springs, hollow 19.5-mm stabilizer bar)
Steering type	power rack-and-pinion for all models
Steering ratio	3400 V-6: 15.2:1; 3800 V-6: 13.2:1
Steering wheel turns, lock-to-lock	3400 V-6: 2.74; 3800 V-6: 2.38; supercharged: 2.30
Turning diameter, curb-to-curb (ft / m)	3400 V-6, 3800 V-6: 38 / 11.6; supercharged: 39.6 / 12.1

Brakes	2005 Chevrolet Impala
Type	power-assisted 4-wheel disc, standard ABS for LS and SS
Rotor diameter x thickness (in / mm)	front: 11.93 x 1.26 / 303 x 32
Rotor diameter x thickness (in / mm)	rear: 10.9 x .43 / 278 x 11

Wheels and Tires		2005 Chevrolet Impala
Wheel size and type	Sedan	Standard - 16-inch, steel wheel w/ wheel cover
		Optional - 16-inch custom aluminum wheel
	LS	Standard - 16-inch, 5-spoke aluminum wheel
		Optional - 16-inch diamond-cut aluminum
	SS	Standard - 17-inch, diamond-cut aluminum
		Optional - 17-inch chromed diamond-cut aluminum
Tires	Sedan	Standard - P225/60R16 all-season blackwalls
		Optional - P225/60R16 touring
	LS	P225/60R16 touring
	SS	P235/55R17 W-rated

Exterior Dimensions		2005 Chevrolet Impala
Wheelbase (in / mm)		110.5 / 2807
Overall length (in / mm)		200 / 5080
Overall width (in / mm)		73 / 1854
Overall height (in / mm)		57.3 / 1456
Track (in / mm)	Front	62 / 1574
	Rear	61.1 / 1551
Curb weight (lb / kg)	Sedan	3465 / 1572
	LS	3476 / 1577
	SS	3606 / 1636
Weight distribution (% front / rear)		61 / 39

Interior Dimensions		2005 Chevrolet Impala
Seating capacity (front / rear)	Sedan	3 / 3
	LS	2 / 3 or 3 / 3
	SS	2 / 3
Head room (in / mm)	Front	39.2 / 996
Head room (in / mm)	Rear	36.8 / 935
Leg room (in / mm)	Front	42.2 / 1072
Leg room (in / mm)	Rear	38.4 / 975
Shoulder room (in / mm)	Front	59 / 1499
Shoulder room (in / mm)	Rear	58.9 / 1496
Hip room (in / mm)	Front	56.5 / 1435
Hip room (in / mm)	Rear	55.7 / 1415

Capacities		2005 Chevrolet Impala
EPA interior volume (cu ft / L)		104.5 / 2959
EPA interior volume (cu ft / L)		123.1 / 3486
Cargo volume (cu ft / L)		18.6 / 526.7
Trailer towing maximum (lb / kg)		1000 / 454
Fuel tank (gal / L)		17 / 64.4
Engine oil (qt / L)	3400 V-6	4.5 / 4.3
	3800 V-6	4.3 / 4.1
Cooling system (qt / L)	3400 V-6	11.7 / 11.1
	3800 V-6	12.2 / 11.5

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.