Engine: 3.7-Liter SOHC V-6 (Nitro, Nitro SLT)

Type and Description
90? V-6, liquid-cooled w/balance shaft

Displacement
225.8 cu. in. (3700 cu. cm)

Bore x Stroke
3.66 x 2.31 (93.0 x 90.8)

Valve System
Chain-driven SOHC, 12 valves, hydraulic end-pivot roller rockers

Fuel Injection
Sequential, multi-port, electronic, returnless

Construction
Cast iron block and bedplate, aluminum alloy heads, balance shaft

Compression Ratio
9.6:1

Power (SAE net)
210 hp (157 kW) @ 5,200 rpm

Torque (SAE net)
235 lb.-ft. (319 N?m) @ 4,000 rpm

Max. Engine Speed
6,000 rpm (electronically limited)

EPA MPG (city/hwy)
Automatic/Manual 18/23

Engine: 4.0-Liter SOHC V-6 (Nitro R/T only)
Type and Description
60-degree bank angle, liquid-cooled, with three-plenum intake manifold, electronically controlled manifold tuning valve and short-runner valves

Displacement
241.2 cu. in. (3952 cu. cm)

Bore x Stroke
3.78 x 3.58 (96 x 91)

Valve System
SOHC, 24 valves, hydraulic, center-pivot roller rocker arms

Fuel Injection
Sequential, multi-port, electronic

Construction
Semi-permanent molded aluminum block with cast iron liners and cast aluminum heads

Compression Ratio
10.3:1

Power (SAE net, estimated)
255 hp (190 kW) @ 5,800 rpm

Torque (SAE net, estimated)
275 lb.-ft. (360 N?m) @ 4,000 rpm

Max. Engine Speed
5,800 rpm (electronically limited)

Gas mpg (EPA city/hwy)
Automatic 17/21