CADILLAC STS

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STS adds direct-injection V-6

For 2008, STS will be the first GM vehicle equipped with a new 3.6-liter direct-injected V-6 engine. The new base powerplant, with 298 horsepower (222 kW), delivers 40 more horsepower; and torque is increased to 268 lb.-ft. (371 Nm) – up from 252 lb.-ft. (348 Nm) on the current base engine.
The new direct-injected 3.6L will be mated to the Hydra-Matic 6L50 six-speed automatic transmission, the first pairing of this transmission with a V-6 engine. Additionally, the STS V-6 will continue to be available with all-wheel drive (AWD) for 2008.
The new performance handling package will be available for V-8-equipped rear-wheel-drive and all-wheel-drive models and V-6-equipped rear-drive models. The package includes 18-inch by 8.5-inch aluminum alloy, chrome-plated wheels fitted with new P255/45R18 Michelin Pilot Sport summer-only tires.
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Engine Configuration V
Cylinders 6
Aspiration/Induction Normal
Displacement 3.60 L | 3600.9 cc.
Valves 24 valves.
4 valves per cylinder.
Valvetrain DOHC
Horsepower 302.00 HP @ 6300.00 RPM
Torque 272.00 Ft-Lbs @ 5200.00 RPM
HP to Weight Ratio 12.8 LB / HP
HP / Liter 83.9 BHP / Liter
Redline 6700
Compression Ratio 11.3:1
Fuel Type Gasoline - Petrol
Fuel Feed Fuel Injected
Direct-Injection
Block Cast-Aluminum
Head Aluminum
Ignition System VVT;Coil on Plug with Extended Life Dual Platinum-Tipped Spark Plugs
Standard Transmission
Gears 6
Transmission Automatic
Hydra-Matic 6L50
Final Drive 3.42
Optional Transmission
Gears 6
Transmission Automatic
Hydra-Matic 6L80
Final Drive 3.23
Dimensions
Cargo Volume 13.80
Interior Volume 55.60
Towing Capacity 1000.001 lbs
Fuel Capacity 17.5 Gal
Seating Capacity 5
Doors 4
Exterior
Length 196.301 in | 4986 mm.
Width 72.601 in | 1844.1 mm.
Height 57.601 in | 1463.1 mm.
Wheelbase 116.401 in | 2956.6 mm.
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