2005-2008 Cadillac STS: Technical Specifications
Updated: 11/23/08
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Specs for this generation Cadillac STS include everything from fuel mileage to seating capacity to options availability.
Vehicle Dimensions
| Specification | 4-door sedan | |
| Wheelbase, in. | 116.4 | |
| Overall Length, in. | 196.3 | |
| Overall Width, in. | 72.6 | |
| Overall Height, in. | 57.6 | |
| Curb Weight, lbs. | 3857 | |
| Cargo Volume, cu. ft. | 13.8 | |
| Standard Payload, lbs. | -- | |
| Fuel Capacity, gals. | 17.5 | |
| Seating Capacity | 5 | |
| Front Head Room, in. | 38.7 | |
| Max. Front Leg Room, in. | 42.6 | |
| Rear Head Room, in. | 37.9 | |
| Max. Rear Leg Room, in. | 38.3 | |
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Specifications Key: NA = not available; "--" = measurement does not exist. |
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Powertrain Options and Availability
STS V6 models come with a 254-hp 3.6-liter engine. V8s have a 320-hp 4.6-liter engine. Both engines team with a 5-speed automatic transmission. STS-V has a 469-hp 4.4-liter V8 and a 6-speed automatic. Both automatics have a manual shift gate. For 2008, V6 models had a 302-horsepower 3.6-liter engine, an increase of 48 hp for '08.
| Engines | cu. in |
Horse- power | Torque | Transmission: |
Consumer Guide Observed |
| dohc V6 | 3.6 / 217 | 254-302 | 252 | 5-speed automatic: 17.5/26 | 5-speed automatic: 16.2 |
| dohc V6 | 4.6 / 278 | 320 | 315 | 5-speed automatic: 16.5/24.5 | 5-speed automatic: 16.4 |
| dohc V8 | 4.4 / 267 | 469 | 439 | 6-speed automatic: 14/20 | 6-speed automatic: -- |
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Specifications Key: NA = not available; "--" = measurement does not exist. |
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Built In: USA
Drive Wheels: longitudinal front-engine/rear- or all-wheel drive
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