Fuel consumption: 8 of 8 variants rated.
Cadillac STS-V 4.4 V8 Supercharged tops the Cadillac STS ranking by Fuel consumption, at 15.6 l/100km (18.1 mpg UK · 15.1 mpg US).
Across 8 ranked variants, Fuel consumption spans from 12.4 l/100km (22.8 mpg UK · 19.0 mpg US) to 15.6 l/100km (18.1 mpg UK · 15.1 mpg US).
| # | Variant | Year | Body | Fuel | Fuel consumption |
|---|---|---|---|---|---|
| 1 | Cadillac STS-V 4.4 V8 Supercharged | 2007 | Sedan | Petrol | 15.6 l/100km (18.1 mpg UK · 15.1 mpg US) |
| 2 | Cadillac STS 4.6 V8 AWD Sport Luxury | 2006 | Sedan | Petrol | 14.4 l/100km (19.6 mpg UK · 16.3 mpg US) |
| 3 | Cadillac STS 4.6 V8 Elegance | 2005 | Sedan | Petrol | 14.4 l/100km (19.6 mpg UK · 16.3 mpg US) |
| 4 | Cadillac STS 4.6 V8 Launch Edition | 2005 | Sedan | Petrol | 14.4 l/100km (19.6 mpg UK · 16.3 mpg US) |
| 5 | Cadillac STS 4.6 V8 Sport Luxury | 2005 | Sedan | Petrol | 14.4 l/100km (19.6 mpg UK · 16.3 mpg US) |
| 6 | Cadillac STS 3.6 V6 Elegance | 2005 | Sedan | Petrol | 12.4 l/100km (22.8 mpg UK · 19.0 mpg US) |
| 7 | Cadillac STS 3.6 V6 Launch Edition | 2005 | Sedan | Petrol | 12.4 l/100km (22.8 mpg UK · 19.0 mpg US) |
| 8 | Cadillac STS 3.6 V6 Sport Luxury | 2005 | Sedan | Petrol | 12.4 l/100km (22.8 mpg UK · 19.0 mpg US) |