Kerb weight: 8 of 8 variants rated.
Cadillac STS 4.6 V8 AWD Sport Luxury tops the Cadillac STS ranking by Kerb weight, at 1,920 kg (4,233 lb).
Across 8 ranked variants, Kerb weight spans from 1,782 kg (3,929 lb) to 1,920 kg (4,233 lb).
| # | Variant | Year | Body | Fuel | Kerb weight |
|---|---|---|---|---|---|
| 1 | Cadillac STS 4.6 V8 AWD Sport Luxury | 2006 | Sedan | Petrol | 1,920 kg (4,233 lb) |
| 2 | Cadillac STS-V 4.4 V8 Supercharged | 2007 | Sedan | Petrol | 1,894 kg (4,176 lb) |
| 3 | Cadillac STS 4.6 V8 Elegance | 2005 | Sedan | Petrol | 1,817 kg (4,006 lb) |
| 4 | Cadillac STS 4.6 V8 Launch Edition | 2005 | Sedan | Petrol | 1,817 kg (4,006 lb) |
| 5 | Cadillac STS 4.6 V8 Sport Luxury | 2005 | Sedan | Petrol | 1,817 kg (4,006 lb) |
| 6 | Cadillac STS 3.6 V6 Elegance | 2005 | Sedan | Petrol | 1,782 kg (3,929 lb) |
| 7 | Cadillac STS 3.6 V6 Launch Edition | 2005 | Sedan | Petrol | 1,782 kg (3,929 lb) |
| 8 | Cadillac STS 3.6 V6 Sport Luxury | 2005 | Sedan | Petrol | 1,782 kg (3,929 lb) |