News United States

Model:

2014 Chevrolet Impala

Body style / driveline:

front-drive, front-engine, four-door, five- passenger sedan

Construction:

integral

EPA vehicle class:

full-size

Manufacturing location:

Detroit-Hamtramck, Mich.; Oshawa, Ontario

Key competitors:

Chrysler 300, Ford Taurus, Nissan Maxima, Toyota Avalon, Hyundai Azera

Type:

Ecotec 2.4L DOHC I-4 w/ eAssist

Ecotec 2.5L DOHC I-4

3.6L V-6 VVT DI

Displacement
(cu in / cc):

145.4 / 2384

150 / 2457

217 / 3564

Bore & stroke (in / mm):

3.46 x 3.85 / 88 x 98

3.46 x 3.97 / 88 x 101

3.7 x 3.37 / 94 x 85.6

Block material:

lost foam cast aluminum

cast aluminum

aluminum

Cylinder head material:

lost foam cast aluminum

c ast aluminum

cast aluminum

Valvetrain:

DOHC with four-valves per cylinder, continuously variable valve timing

DOHC with four valves per cylinder, continuously variable valve timing

DOHC with four valves per cylinder; continuously variable valve timing

Ignition system:

individual coil-on-plug

individual coil-on-plug

individual coil-on-plug

Fuel delivery:

high-pressure direct injection and electronic throttle control

high-pressure direct injection and electronic throtle control

direct high-pressure injection and electronic throttle control

Compression ratio:

11.2:1

11.25:1

11.5:1

Horsepower
(hp / kW @ rpm):

182 / 134 @ 6200
(SAE certified)

196 / 145 @ 6300 (SAE certified)

305 / 227 @ 6800
(SAE certified)

Torque
(lb.-ft. / Nm @ rpm):

172 / 233 @ 4900
(SAE certified)

186 / 253 @ 4400 (SAE certified)

264 / 358 @ 5300
(SAE certified)

Recommended fuel:

regular unleaded

regular unleaded

regular unleaded

Emissions controls:

close-coupled, catalytic converter; variable valve timing; positive crankcase ventilation evaporative system

close-coupled, catalytic converter; variable valve timing; positive crankcase ventilation evaporative system

dual close-coupled catalysts and single underfloor catalyst; variable valve timing, evaporative system

EPA-estimated fuel economy (city / hwy):

25 / 35 (GM est.)

21 / 31

19 / 29

Type:

Hydra-Matic 6T40 six-speed automatic

Hydra-Matic 6T70 six-speed automatic

Application:

2.4L / 2.5L

3.6L

Gear ratios: (:1):

First:

4.58

4.48

Second:

2.96

2.87

Third:

1.91

1.84

Fourth

1.45

1.41

Fifth:

1.00

1.00

Sixth:

0.75

0.74

Reverse:

2.94

2.88

Final drive ratio:

2.64 – 2.4L
3.23 – 2.5L

2.77

Type:

belt-driven, liquid-cooled motor/generator unit and lithium-ion battery system; air-cooled power electronics and battery pack

Maximum electric generating power:

15 kW @ 1570-3180 rpm

Maximum electric motor torque (cranking):

110 lb.-ft. / 150 Nm

Maximum electric motor torque (electric assist):

79 lb.-ft. / 107 Nm @ 1,000 rpm

Maximum electric motor power (electric assist):

15 hp / 11.2 kW @ 1,000-2,200 rpm

Lithium-ion battery:

115V, 0.5-kWh, 15 kW peak power

Suspension (front):

MacPherson strut; twin-tube dampers with gas-charged valving; 28.5mm hollow direct-acting stabilizer bar; hydraulic ride bushing

Suspension (rear):

multilink with coil springs and stabilizer bar; gas-charged twin-tube dampers

Steering type:

electric variable-assist rack-and-pinion(belt-driven with V-6 models, dual pinion with 4-cyl. models) with Pull Drift Compensation

Steering ratio:

15.2:1

Steering wheel turns, lock-to-lock:

2.73

Turning circle (ft / m):

38.8 / 11.75

Type:

split, dual-circuit four-wheel-disc with power assist

Rotor diameter x thickness (in / mm):

front: 12.6 x 1.2 / 321 x 30 (vented) – all models
rear: 12.4 x 0.9 / 315 x 23 (solid) – all models

Wheel size and type:

18-inch steel and aluminum
19-inch aluminum
20-inch aluminum

Tires:

P235/50R18 all-season blackwall
P245/45R19 all-season blackwall
P245/40R20 all-season blackwall

Wheelbase (in / mm):

111.7 / 2837

Overall length (in / mm):

201.3 / 5113

Overall width (in / mm):

73 / 1854

Overall height (in / mm):

58.9 / 1496

Track (in / mm):

front: 62.2 / 1580
rear: 62 / 1576

Curb weight (lb / kg):

3800 / 1723 (est. – LT model w/ V-6)

Seating capacity:

5 (2 front / 3 rear)

Headroom (in / mm):

front: 39.9 / 1013
rear: 37.4 / 950

Legroom (in / mm):

front: 45.8 / 1163
rear: 39.8 / 1011

Shoulder room
(in / mm):

front: 57.9 / 1470
rear: 56.9 / 1445

Hip room (in / mm):

front: 54.9 / 1394
rear: 54.1 / 1374

EPA interior volume
(cu ft / L):

123.8 / 3505

Passenger volume
(cu ft / L):

105 / 2973

Cargo volume (cu ft / L):

18.8 / 532

Trailer towing maximum (lb / kg):

1000 / 454 (3.6L and 2.5L)

Fuel capacity (gal / L):

18.5 / 70 (2.5L and 3.6L)
15.8 / 59.9 (2.4L)

Engine oil (qt / L):

2.4L: 5 / 4.7
2.5L: 5.3 / 5
3.6L: 5.5 / 5.2

Cooling system (qt / L):

2.4L: 10.1 / 9.6
2.5L: 7.5 / 7.1
3.6L: 9.9 / 9.4