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2006 Subaru Outback® 2.5 i and 2.5 i Limited
Vehicle type 5-passenger sedan and wagons
Configuration 4-cylinder, horizontally opposed (Boxer), aluminum block and heads
Bore x Stroke 99.5 mm x 79.0 mm (3.92 in. x 3.11 in.)
Displacement 2,457 cc (150 cu. in.)
Valvetrain Single overhead-cam (SOHC), 4 valves per cylinder, belt-driven camshafts,
i-Active Valve Lift System variable valve lift technology
Sequential multi-port fuel injection (MFI) with multi-spray injectors
and Electronic Throttle Control (ETC) system
Ignition Distributorless electronic
Compression ratio 10.0:1
Horsepower 175 @ 6,000 rpm (PZEV: same)
Torque 169 lb-ft. @ 4,400 rpm (PZEV: same)
Fuel requirement Regular, 87 octane minimum
Drivetrain Standard: Symmetrical All-Wheel Drive
Transmission types 5-speed manual (std. for 2.5 i)
4-speed electronic direct control automatic with lockup torque converter (opt. 2.5 i and
std. 2.5 i Limited)
M/T AWD System Viscous-coupling locking center differential
A/T AWD System Electronically managed continuously variable hydraulic transfer clutch
Transmission ratios 5-speed manual 4-speed automatic
1 3.454 2.785
2 2.062 1.545
3 1.448 1.000
4 1.088 0.694
Reverse 3.333 2.272
Final drive ratio 4.11 with viscous limited-slip
4.44 with viscous limited-slip
Chassis Unitized body construction
Suspension 4-wheel independent, heavy duty raised
Front MacPherson-type struts with internal rebound springs, lower L-arms, liquid filled L-arm
rear bushings, stabilizer bar and negative scrub geometry
Rear Multilink: one upper link, two lower links and one radius arm per side; coil springs, shock
absorbers and stabilizer bar, liquid-filled rear differential mounts
Brakes Power-assisted 4-wheel discs with Electronic Brake-force Distribution (EBD) and
4-channel / 4-sensor ABS
Front 11.5 x 0.94 in. ventilated discs, dual-piston floating calipers
Rear 10.6 x 0.39 in. solid discs, single-piston floating calipers
Steering Rack-and-pinion with engine-speed-sensing variable power assist
Turns, lock-to-lock 3.2
Turning circle 35.4 ft. curb-to-curb
Wheels 17 x 7 JJ aluminum-alloy, 7-spoke
Tires 225/55 R17 95V Bridgestone Potenza RE 92A raised black letter M+S all-season
Coefficient of drag (Cd) 0.32
Wheelbase 105.1 in.
Length 188.7 in. (186.2 in. Sedan)
Width 69.7 in. (76.6 in. including mirrors)
Height 61.6 in. (including roof rails)
63.2 in. (including roof rails and cross bars)
Sedan: 59.1 in.
Track (front/rear) 58.9 in. / 58.7 in.
Minimum ground clearance 8.4 in.
Location of minimum ground clearance: exhaust pipe
Angle of approach 18.7 deg. (18.3 deg. Sedan)
Angle of departure 22.0 deg. (20.0 deg. Sedan)
Ramp breakover angle 19.7 deg.
Curb weight (lb)
5-speed manual 2.5 i: 3,320 2.5 i Limited: 3,375
4-speed automatic 2.5 i: 3,365 2.5 i Limited Wagon: 3,420 2.5 i Limited Sedan: 3,350
Headroom (f/r) 2.5 i: 40.5 in. / 39.1 in. 2.5 i Limited: 38.7 in. / 37.1 in.
2.5 i Limited Sedan: 37.6 in. / 36.5 in.
Legroom (f/r) 44.1 in. / 33.9 in.
Hip room (f/r) 51.0 in. / 52.6 in.
Shoulder room (f/r) 54.4 in. (54.2 in. Sedan) / 53.7 in.
EPA interior volume Wagons: 97.4 cu. ft.
2.5 i Limited Sedan: 93.1 cu. ft.
Max. load floor length,
Seats up: 42.4 in.
Seats down: 73.0 in.
Cargo lift over height, wagons 25.2 in.
Cargo area height, wagons 2.5 i: 32.5 in.
2.5 i Limited: 30.3 in.
Width between wheelhouses,
Cargo volume, wagons
(rear seats up)
2.5 i: 33.5 cu. ft. 2.5 i Limited: 32.1 cu. ft.
Cargo volume, wagons
(rear seats down)
2.5 i: 66.2 cu. ft. 2.5 i Limited: 61.7 cu. ft.
Trunk capacity, sedan 11.4 cu. ft.
Trunk lift over height, sedan 30.5 in.
Fuel 16.9 gal.
Engine oil 5.3 qt.
Engine coolant 5-speed manual: 6.8 qt. 4-speed automatic: 6.7 qt.
Trans oil 5-speed manual: 3.7 qt. 4-speed automatic: 9.8 qt.
Towing 2,700 lb (200 lb tongue weight)
5-speed manual 4-speed automatic
EPA city mpg 23 22
EPA highway mpg 28 28
Note: Outback 2.5 i Limited features a standard dual-panel power glass moonroof, which results in different figures
for some interior dimensions, as shown.