What Changed

All-new STS is based on the rear-drive Sigma platform that also underpins the CTS and SRX models. STS is offered with either a 255hp V6 or 320hp Northstar V8 and 5-speed automatic transmission. Both RWD and AWD models will be offered.

Comparison to Prior Model

2005 Cadillac STS
2005 Cadillac STS
Price Range ($) $40,525 - $63,040
Length (in) 196.3
Wheelbase (in) 116.4
Width (in) 72.6
Height (in) 57.6
Track (in) 61.8
Exterior Volume (cu. ft.) 404.4
Curb Weight (lbs.) 3857-4230
Legroom Total (in.) 80.9
Passenger Volume (cu. ft.) 104.1
Cargo Volume (cu. ft.) 13.8
Driven Wheels
  • RWD
  • AWD
  • 3.6l V6 (255-bhp)
  • 4.6l V8 (320-bhp)
Transmissions A5
City MPG
Highway MPG
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