The Subaru Impreza is one of the most popular all-wheel drive (AWD) vehicles ever made, and in fact one of the better-made vehicles in general, typically receiving high ratings for reliability and safety. The WRX model of Impreza is one of the most powerful and capable Japanese imports of all time, and the Impreza has been used to win the World Rally Championship (WRC) multiple times.
Although the Subaru Outback now has its own chassis, the Impreza was the basis of the Outback Sport, which came only in wagon form. Like other Subarus, the Impreza is excellent off-road, but the Impreza may be the first model truly credible and worthwhile on the street. While it does have some shortcomings (such as having an excessive percentage of the weight over the front axle) it is still one of the best-engineered machines on the road today.
1993 Subaru Impreza Information
Models Available:
Impreza: base model available as a front wheel drive, manual transmission sedan only
Impreza L: sedan or Sport Wagon, AWD or FWD, automatic or manual
Impreza LS: Sedan or Sport wagon, AWD or FWD, automatic only
Engine
The SOHC EJ Subaru boxer engines were non-interference engines through 1996, run by a single timing belt driving both cams (both sides of the engine) and the water pump. If the timing belt fails, the engine of the models up to 1996 will not be destroyed but re-timing is necessary, because they are non-interference engines. The oil pump is driven directly from the crank shaft and the waterpump by the timing belt."Subaru EJ engine.Wikipedia, The Free Encyclopedia. 4 Nov 2006, 03:23 UTC. Wikimedia Foundation, Inc. 7 Nov 2006 <http://en.wikipedia.org/w/index.php?title=Subaru_EJ_engine&oldid=85601555>.
Steering: Rack and Pinion, engine rpm sensing variable power assist
Brakes:
Base and L models:
9.4" ventilated front discs, 9.0" rear drums
LS model:
4-channel ABS with 10.4" ventilated front discs, 10.3" rear discs
Wheels:
Pattern: 5 x 100mm
Capacities
Fuel Capacity: 15.9 US gallons/60 liters
Engine Oil: 4.2 US quarts/4 liters
Transmission Oil
AWD: 3.7 qt/3.5 l
FWD: 2.8 qt/2.6 l
Automatic Transmission Fluid: 8.3 qt/7.9 l
AT differential gear oil: 1.3 qt/1.2 l
AWD rear differential gear oil: 0.8 qt/0.8 l
Power Steering Fluid: 0.7 qt/0.7 l
Engine Coolant: 6.2 qt/5.9 l
Safety Features
Driver's Air bag
Front, rear crumple zones
height adjustable front shoulder belts, rear outboard shoulder belts
Child-proof rear door locks
5 MPH impact bumpers
Side-impact door guard reinforcing beams
[img_assist|nid=9553|title=|desc=|link=none|align=right|width=160|height=72]
Broader Information
The Subaru Impreza was introduced in the US as a 1993 model, which began selling in November of 1992. It was available in three trim levels; Base, L, and LS. Without going into too much detail here (this all changes with year) the base model in '93 was offered only as a no-frills vehicle with front wheel drive and a manual five-speed transmissions. The L is offered as AWD or FWD, manual or automatic, and both comes standard with and optionally offers more doodads. The LS comes only with an automatic transmission and is the only model to offer ABS; It, too, was available as FWD or AWD. 1994 models are not substantially changed from 1993.
The first-generation Impreza is, surprisingly, an amazingly well-engineered vehicle. It has been given an A+ reliability rating (specifically the 1993 model) and it is, in general, a highly agreeable vehicle to drive. The AWD model does offer new drivers one surprise; it is heavy for its size, as typical for AWD. The added weight of the center differential, rear differential, and connecting shafts is significant. However, it more than makes up for this added weight by being all-wheel drive; it dramatically improves handling, even in the best conditions, while in inclement weather it is nearly a necessity. The 1.8 liter engine is surprisingly punchy for its size and low horsepower output, and has that markedly odd Boxer exhaust note.
Later models (such as the Subaru Impreza WRX STi) are offered with more than 280 horsepower, limited slip differentials front and rear, and a computer-controlled variable center differential, as well as traction control and yaw control. Subaru's ABS system is considered to be among the best, as is their all-wheel drive system - first in reliability, and second only to Nissan's ATESSA-IV AWD system used on (for example) the Nissan Skyline R34.
[img_assist|nid=6013|title=2007 Subaru Impreza STi|desc=|link=none|align=right|width=320|height=209]Second Generation Impreza: 2002-present
VIN Decoding
1.(JFI) 2.(G) 3.(D/G) 4.(2/6) 5.(5/7/8/9) 6.(5/6) 7.(--) 8.(2/3) 9.(G/H) 10.(500001/800001)
How to decipher:
Manufacturer: J=Japan, FI=Fuji passenger car
Model: G=Impreza
Body: D=sedan, G=wagon
Displacement: 2=2.0, 6=2.5l
Trim Level: 5=TS, 6=RS, 8=Outback, 9=WRX
Supplemental Restraint System (SRS): 5=front airbags, 6=front, side airbags
(check digit)
Model Year: 2=02, 3=03 etc.
Transmission: G=5 speed, H=automatic
Serial number: 5xx=sedan, 8xx=wagon
Engines
All DOHC and MY1997+ engines are interference designs, meaning if the timing belt fails, the engine will be destroyed (pistons crash into valves, with predictably destructive effects.)
Model:
Type: 4 cylinder 16 valve SOHC Boxer
Fuel: Gasoline
Fuel Delivery: Multiport Fuel Injection (MPFI)
Material: Aluminum Alloy
Displacement: 2.5l/150ci
Bore:
Stroke:
Max Horsepower: 165 HP @ 5600 RPM
Max Torque: 166 ft-lb @4000 RPM
Compression Ratio:
Firing Order:
2.0l DOHC H-4 Turbo
Model: EJ20
Type: 4 cylinder 16 valve SOHC Boxer
Fuel: Gasoline
Fuel Delivery: Multiport Fuel Injection (MPFI)
Material: Aluminum Alloy
Displacement: 2.0l/122ci
Bore:
Stroke:
Max Horsepower: 227 HP @ 6000 RPM
Max Torque: 217 ft-lb @ 4000 RPM
Compression Ratio: 8.0:1
Maximum Boost: 13.5 PSI
Firing Order:
2.5l DOHC H-4 Turbo
Model:
Type: 4 cylinder 16 valve SOHC Boxer
Fuel: Gasoline
Fuel Delivery: Multiport Fuel Injection (MPFI)
Material: Aluminum Alloy
Displacement: 2.5l/150ci
Bore:
Stroke:
Max Horsepower: 300 HP
Max Torque: 300 ft-lb
Compression Ratio:
Firing Order:
Transmissions
5-Speed Manual
Gear Ratios
3.454:1
1.947:1
1.366:1
0.972:1
0.738:1
Final: 3.9:1
4-Speed Automatic
Gear Ratios
Final: 4.11:1
Body
RS 4 door sedan
Type: 4 door sedan
Construction: Full-Unibody, high strength steel
Dimensions:
Wheelbase: 99.4"
Length: 173.4"
Width: 68.1"
Height: 56.7"
Curb Weight:
Manual: 2965 lb
Auto: 3020 lb
TS sport wagon
Type: 5 door wagon
Construction: Full-Unibody, high strength steel
Dimensions:
Wheelbase:
Length: 173.4"
Width: 66.7"
Height: 58.5"
Curb Weight:
Manual: 2965 lb
Auto: 3020 lb
Outback sport wagon
Type: 5 door wagon
Construction: Full-Unibody, high strength steel
Dimensions:
Wheelbase:
Length: 173.4"
Width: 67.3"
Height: 60.2"
Curb Weight:
Manual: 3050
Auto: 3105
WRX 4 door sedan
Type: 4 door sedan
Cd:
Construction: Full-Unibody, high strength steel
Dimensions:
Wheelbase: 99.4"
Length: 173.4"
Width: 68.1"
Height: 56.7"
Curb Weight:
Manual: 3085 lb
Auto: 3140 lb
WRX 5 door wagon
Type: 5 door wagon
Cd:
Construction: Full-Unibody, high strength steel
Dimensions:
Wheelbase: 99.4"
Length: 173.4"
Width: 66.7"
Height: 58.5"
Curb Weight:
Manual: 3165 lb
Auto: 3220 lb
Suspension
Front: MacPherson Strut
Rear: Modified MacPherson Strut
Steering: Rack and Pinion, engine rpm sensing variable power assist
Wheels:
TS sport wagon
Size: 15"
Design: Steel w/ hubcap
Stud pattern: 5x100mm
Offset:
Tire size: 195/60R15
RS Sedan, Outback Sport Wagon, WRX model
Size: 16x6.5"
Design: 5 spoke alloy
Stud pattern: 5x100mm
Offset: 55mm
Tire size: 205/55R16
Brakes:
RS sedan
Front: 10.7" vented two-piston disc
Rear: 10.3" solid disc
TS sport wagon, Outback sport wagon
Front:10.7" vented twin-piston disc
Rear: 9.0" drums
WRX (both models)
Front: 11.4" vented two-piston
Rear: 10.3" solid disc
Safety
Front de-powered airbags
Side front airbags, seat-mounted: WRX only
3-point lap and shoulder belts with Height Adjustable outboard shoulder harness for all (5) occupants.
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