QUICK SPECS - 2007 SILVERADO 2500 4WD LT2
Price: $49,629 ($36,440 base)
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Type: Front-engine, rear-wheel drive, ¾-ton, 5-passenger truck
Construction: Body on perimeter frame 
Engine: Turbocharged, intercooled, Duramax OHV 6.6L V8 (RPO LMM), cast-iron block, aluminum heads
Displacement: 403ci (4.06 x 3.90)
Compression ratio: 16.8:1
HP: 365 @ 3,200rpm
Torque (lb-ft): 660 @ 1,600rpm
Redline: 3,450rpm
Transmission: Allison 6-speed automatic (3.10, 1.82, 1.41, 1.00, 0.71, 0.61:1)
Axle ratio: 3.73:1, limited-slip differential
Front suspension: Upper and lower control arms, torsion bars, anti-sway bar
Rear suspension: Live axle, semi-elliptic 2-stage leaf springs, tubular shock absorbers
Steering: Recirculating ball, variable assist, 24:1 ratio
Wheelbase: 153.0 inches
Track, f/r: 68.6/66.0 inches
Turning circle: 51.2 feet
Brakes, f/r: 12.8x1.50-inch vented disc; 12.8x1.20-inch vented disc, ABS, Hydroboost assist
Wheels/Tires: Cast aluminum, 17x7.5-inch, Bridgestone Duravis M700 LT265/75R17
Weight distribution (percent), f/r: 55/45
Curb weight: 6,718 pounds
Fuel capacity: 34.0 gallons
EPA city/hwy: N/A
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Of the more than $12,289 in options, the Duramax and the Allison combination account for more than half of it ($8395), so you must decide what your truck’s role really is and if you’ll have it long enough to recoup the cost of the drivetrain in fuel savings. Wrong, bottom-distillate breath. The only reason you’d have a turbocharged diesel in the first place is as an expensive toy or more likely for pulling heavy things…often. You’ve noticed that a gallon of diesel costs more than gasoline--on this particular day, at least. (On the ordinary end, you could opt for the 6.0L gas motor and the Turbo-Hydramatic 6L90 six-speed. The big-block 8.1L Vortec is no more). Out on the highway, that 3.73:1 ring-and-pinion ratio drops way down to free-wheelin’ 2.27:1