Subaru Impreza III Hatchback 2.5i (170 Hp) 2007

Key specs

Subaru Impreza (Hatchback) Impreza III Hatchback 2007,2008,2009,2010,2011

What is the body type, Subaru Impreza III Hatchback 2.5i (170 Hp) 2007?

Hatchback, 5 Doors, 5 Seats

What is the fuel economy, Subaru Impreza III Hatchback 2.5i (170 Hp) 2007?

11.8 l/100 km 19.93 US mpg
8.7 l/100 km 27.04 US mpg

How much power, Subaru Impreza III Hatchback 2.5i (170 Hp) 2007?

170 Hp @ 6000 rpm.
69.2 Hp/l

What is the engine size, Subaru Impreza III Hatchback 2.5i (170 Hp) 2007?

2457 cm3
149.94 cu. in.

How many cylinders, Subaru Impreza III Hatchback 2.5i (170 Hp) 2007?

4, Boxer

What is the drivetrain, Subaru Impreza III Hatchback 2.5i (170 Hp) 2007?

All wheel drive (4x4),

How long is this vehicle, Subaru Impreza III Hatchback 2.5i (170 Hp) 2007?

4415 mm
173.82 in.

How wide is the vehicle, Subaru Impreza III Hatchback 2.5i (170 Hp) 2007?

1740 mm
68.5 in.

What is the curb weight, Subaru Impreza III Hatchback 2.5i (170 Hp) 2007?

1390 kg
3064.43 lbs.

Subaru Impreza (Hatchback) Impreza III Hatchback 2007,2008,2009,2010,2011 Specs

General information

Brand Subaru
Model Impreza (Hatchback)
Version Impreza III Hatchback
Engine version 2.5i (170 Hp)
Year production start 2007
Year production end 2011
Vehicle type Hatchback
Horsepower RPM 170 Hp @ 6000 rpm.
Acceleration 0 - 100 kmh sec 5.8 sec
Curb weight kg -lbs total

1390 kg

3064.43 lbs.
Overall length mm - inch

4415 mm

173.82 in.
Doors 5

Engine specs

Designation model EJ253
Cam configuration DOHC
Engine position and orientation Front, Longitudinal
Cylinders 4
Position of cylinders Boxer
Displacement (liters)

2457 cm3

149.94 cu. in.
Eng. horsepower RPM 170 Hp @ 6000 rpm.
Horsepower per litre 69.2 Hp/l
Weight / horsepower kg/hp - hp/tons

8.2 kg/Hp

122.3 Hp/tonne
Weight / torque kg/Nm - Nm/tons 6 kg/Nm, 165.5 Nm/tonne

6 kg/Nm

165.5 Nm/tonne
Torque Nm RPM lb-ft RPM

230 Nm @ 4400 rpm.

169.64 lb.-ft. @ 4400 rpm.
Bore (mm in)

99.5 mm

3.92 in.
Stroke (mm in)

79 mm

3.11 in.
Fuel delivery system Multi-point indirect injection
Fuel type Petrol (Gasoline)
Valvetrain 4
Engine aspiration Naturally aspirated engine
Engine oil liters | quarts

4 l

4.23 US qt | 3.52 UK qt
Engine coolant

6.7-6.8 l

7.08 - 7.19 US qt | 5.9 - 5.98 UK qt
Emission certification Euro 4
Powertrain architecture Internal Combustion engine
Engine location Front, Longitudinal

Transmission and Drive system

Drive configuration All wheel drive (4x4)
Transmission 5

Brakes

Front brakes Ventilated discs
Rear brakes Disc
Anti-lock brake system ABS (Anti-lock braking system)

Steering

Steering type Steering rack and pinion
Turning diameter m - ft

10.6 m

34.78 ft.

Suspension

Front suspension McPherson
Rear suspension Several levers and rods

Body / Chassis

Wheels & Tyres

Wheels size 205/55 R16
Wheels rims 16

Exterior

Interior

Safety and Security

Passenger

Passengers seats 5
Trunk space max liter | cu. Ft.

538 l

19 cu. ft.

Dimensions

Overall length mm - inch

4415 mm

173.82 in.
Overall width mm -inch

1740 mm

68.5 in.
Overall height mm -inch

1475 mm

58.07 in.
Wheelbase mm - inch

2620 mm

103.15 in.
Track width front mm - inch

1495 mm

58.86 in.
Track width rear mm - inch

1500 mm

59.06 in.

Weights

Curb weight kg -lbs total

1390 kg

3064.43 lbs.
Fuel tank liters | gallons

60 l

15.85 US gal | 13.2 UK gal

Fuel economy

City l/100km - mpg

11.8 l/100 km

19.93 US mpg
Highway l/100 km - mpg

8.7 l/100 km

27.04 US mpg

Engine type

4 CYLINDER - BOXER
What engine is the 4 cylinder boxer: the boxer-four is an engine where each pair
of opposed pistons moves inwards and outwards at the same time in two banks of
cylinders lying on opposite sides of a common crankshaft, named laso flat-four
or opposed-four.

What is the 4 cylinder boxer displacement: it is in a range between 1350 cc and
3000 cc in recent model line up powertrain.

How much is the power of the 4 cylinders boxer: the power of the 4 cylinders is
in a range from 98bhp to 365 bhp.Which cars use 4 cylinder boxer engine: 4 boxer is used by Porsche and Subaru but it has a strong heritage in powertrain production as have been used in cars by Volkswagen on the original iconic Beetle and Alfa Romeo.

The advantages of the boxer-four layout are perfect secondary vibration (resulting in minimal vibration), low centre of gravity and a short engine length. The layout also lends itself to efficient air cooling with the airflow being evenly distributed across the four cylinders. The downsides of boxer-four engines (compared with inline-four engines) are extra width, higher costs due to two cylinder heads instead of one and the long exhaust manifold required to achieve evenly spaced exhaust pulses.

The typical firing order for a boxer-four engine is for the left bank of cylinders to ignite one after another, followed by the right bank of cylinders with the firing interval evenly spaced at 180 degrees. The exhausts manifold from the two cylinders on each bank were merged and in result uneven exhaust pulses causing a characteristic "flat-four burble" exhaust sound as on Porsche 982 and 718 series with boxer 4.

The engine fires once every 180 degrees crankshaft angle (720 degrees divided by 4 = 180 degrees) and other common firing configuration (such as used by Subaru since the mid-2000s) is to pair the cylinders, with a firing interval of 360 degrees, in order to optimise the exhaust pulses. This configuration requires long exhaust manifolds to pair the cylinders on opposite banks and results in a less distinctive exhaust sound.

edited by arrabbiata

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