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2007 Pickup Truck Of The Year

The General fields a trio and comes out a winner

By Sean P. Holman, Photography by Ken Brubaker

Vehicle/model Chevrolet Avalanche LT Z71 Chevrolet Silverado Extended Cab Z71 GMC Sierra SLT Crew Cab
Base price $35,295 $31,690 $37,740
Price as tested $46,665 $35,619 $44,079
Options as tested Avalanche LT3 Equipment Group ($3,650),
rain-sensing wipers ($95),
electric sliding sunroof ($995),
rear-seat entertainment system ($1,295),
navigation radio with CD/DVD/MP3 ($2,145),
rearview camera system ($195),
luggage-rack crossbars ($45),
luggage-rack side rails ($195),
heated washer-fluid system ($85),
Z71 Off-Road Suspension Package ($1,795),
destination ($875)
 Power sliding rear window ($200),
front leather seating surfaces ($800),
18-inch aluminum wheels ($250),
LT2 Convenience Package ($595),
EZ Lift Tailgate Package ($95),
P265/65R18 OOR BW tires ($55),
Cargo Management System ($175),
XM Satellite Radio ($199),
camper/5th wheel trailer wiring ($35),
Z71 Off-Road Suspension Package ($625),
destination ($900)
 Head-curtain side-impact airbags ($395),
Max Trailering Package ($1,840),
Convenience Package ($540),
EZ-Lift & Locking Tailgate Package ($95),
17-inch P265 OOR, BW tires with spare ($55),
credit, unit produced without Universal Home Remote (-$110),
Cargo Management System ($175),
XM Satellite Radio ($199),
AM/FM stereo, MP3 compatible CD player and multimedia navigation ($2,250),
destination ($900)

Type OHV V-8 OHV V-8 OHV V-8
Displacement (ci/liter) 325/5.3 325/5.3 364/6.0
Bore x stroke (in) 3.78 x 3.62 3.78 x 3.62 4.00 x 3.62
Compression ratio 9.9:1 9.9:1 9.6:1
Induction Active Fuel Management, SFI Active Fuel Management, SFI SFI
Mfg.'s power rating @ rpm (hp) 310 @ 5,200 315 @ 5,200 367 @ 5,500
Mfg.'s torque rating @ rpm (lb-ft) 335 @ 4,400 338 @ 4,400 375 @ 4,300
Mfg.'s suggested fuel type Regular unleaded or E85 Regular unleaded or E85 Regular unleaded
Transmission Hydra-Matic 4L60 four-speed automatic Hydra-Matic 4L60 four-speed automatic Hydra-Matic 4L70 four-speed Ratios:
First 3.06:1 3.06:1 3.06:1
Second 1.63:1 1.63:1 1.63:1
Third 1.00:1 1.00:1 1.00:1
Fourth 0.70:1 0.70:1 0.70:1
Reverse 2.29:1 2.29:1 2.29:1
Axle ratio 3.73:1 3.73:1 4.10:1
Transfer case NV246 NV246 NV246
Low-range ratio 2.72:1 2.72:1 2.72:1
Crawl ratio 31.1:1 31.1:1 34.1:1
Frame Steel ladder Steel ladder Ladder
Body Steel Steel Steel
Front Independent, coilover shock monotube shock absorbers/AAM 8.25-inch Independent, coilover shock, monotube shock absorbers/AAM 8.25-inch Independent, coilover shock, monotube shock absorbers/AAM 8.25-inch
Rear Five-link, coil springs/AAM 8.6-inch, G80 mechanical locking differential Semi-elliptic, variable-rate, two-stage multileaf springs, splayed monotube shock absorbers/AAM 8.6-inch, G80 mechanical locking differential Semi-elliptic, variable-rate, two-stage multileaf springs, splayed monotube shock absorbers/AAM 9.5-inch, G80 mechanical locking differential
Type Power-assisted rack-and-pinion Power-assisted rack-and-pinion Power-assisted rack-and-pinion
Turns (lock-to-lock) 3.0 3.0 3.0
Ratio 17.75:1 16.5:1 16.5:1
Front 13x1.18 vented disc, two-piston calipers 13x1.18 vented disc, two-piston calipers 13x1.18 vented disc, two-piston calipers
Rear 13.5x.787 vented disc, single-piston calipers 13.5x0.79 vented disc, single-piston calipers 13.5x0.79 vented disc, single-piston calipers
ABS Four-wheel Four wheel Four wheel
Wheels (in) 18x8 18x8 17x7.5
Tires P265/65R18 Bridgestone Dueler A/T P265/65R18 Bridgestone Dueler A/T P265/70R17 Goodyear Wrangler AT/S
EPA city/highway 15/20 16/20 15/19
Observed city/highway/trail 14.63 14.09 12.63
Weight (lb) 5,645 5,143 5,281
Wheelbase (in) 130.0 133.9 143.5
Overall length (in) 221.3 220.6 230.2
Overall width (in) 79.1 79.9 80.0
Height (in) 76.6 73.7 73.7
Track f/r (in) 68.2/67.0 68.1 x 67.0 68.1/67.0
Minimum ground clearance (in) 9.1 9.0 9.0
Turning diameter, curb-to-curb (ft) 43.0 46.9 47.2
Bed Dimensions LxWxH (in) 63.3x50.0x25.0 69.3x62.4x21.0 69.29x62.4x21.0
Approach/departure angles (deg) 24/20.31 15.3/23.0 15.3/22.4
Breakover angle (deg) 20.6 20.6 19.3
GVWR (lb) 7,200 6,800 7,300
Payload (lb) 1,487 1,657 2,010
Maximum towing capacity (lb) 8,000 8,600 10,500
Seating 5 5 6
Fuel capacity (gal) 31.5 26.0 26.0
0-30 mph (sec, laden) 4.54 4.02 3.79
0-30 mph (sec, unladen) 4.19 3.64 3.51
0-60 mph (sec, laden) 11.68 10.46 9.60
0-60 mph (sec, unladen) 10.84 9.60 9.16
Quarter-mile (sec @ mph, laden) 18.60 @ 80.51 17.78 @ 82.21 17.27 @ 83.66
Quarter-mile (sec @ mph, unladen) 18.03 @ 81.94 17.19 @ 83.73 16.99 @ 83.27
Braking 60-0 mph (ft) 150.31 152.88 143.56
By Sean P. Holman
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