POWERTRAIN 2.3L DOHC I-4 4.0L SOHC V-6 Engine Type I-4, aluminum block, aluminum head V-6, iron block, aluminum alloy heads Bore/Stroke 3.44 x 3.70 3.95 x 3.32 Displacement 140 cu in, 2260 cc 245 cu in, 4015 cc Compression Ratio 9.7:1 9.7:1 Fuel Injection Sequential multi-port electronic Sequential multi-port electronic Valvetrain DOHC, 4 valves per cylinder SOHC, 2 valves per cylinder Power 143 hp @ 5,250 rpm 207 hp @ 5,250 rpm Torque 154 lb.-ft. @ 3,750 rpm 238 lb.-ft. @ 3,000 rpm Oil Capacity 4.5 qt 5.0 qt Coolant Capacity 6.5 w/manual trans 7.2  w/automatic trans 7.8 w/manual trans 7.8  w/automatic trans Transmission Type 5-speed manual 5-speed automatic 5-speed manual 5-speed automatic Gear Ratios I 3.72:1 2.47:1 3.40:1 2.47:1 II 2.20:1 1.85:1 2.05:1 1.85:1 III 1.50:1 1.47:1 1.31:1 1.47:1 IV 1.00:1 1.00:1 1.00:1 1.00:1 V 0.79:1 0.75:1 0.79:1 0.75:1 Available axle ratios 4x2 3.73 4.10 3.55 3.55 4x4 - - 3.73, 4.10 3.73, 4.10 SUSPENSION Front Independent SLA w/computer-selected coil springs (4x2), or torsion bars (4x4), shock absorbers and stabilizer bar Rear Rigid axle rear suspension w/two-stage multi-leaf springs, shock absorbers and stabilizer bar on some models STEERING Type Power rack-and-pinion Overall Ratio Regular Cab 4x2 22.0:1 Overall Ratio SuperCab 4x2 19.2:1 4x4 18.7:1 BRAKES Front 11.28-inch disc Rear 9.0-inch drum; 10.0-inch drum with Payload Pkg/S/C/4x4 models Assist type Vacuum, ABS WHEELS AND TIRES Base wheel and tire 15-inch 7-spoke painted steel, P225/70R15 Largest available 16-inch cast aluminum, P255/70R16   FUEL ECONOMY (city/hwy) 4x2 2.3-liter I-4, 5-Speed Manual 21/26 2.3-liter I-4, 5-Speed Auto 19/24 4.0-liter V-6, 5-Speed Manual 15/21 4.0-liter V-6, 5-Speed Auto 16/21 4x4 4.0-liter V-6 5-Speed Manual 15/19 4.0-liter V-6 5-Speed Auto 14/18