petrol
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12 photos from Wikimedia Commons · credits & licences
- 1. 2005-2007 Cadillac STS: IFCAR· Public domain
- 2. 2008-2009 Cadillac STS: IFCAR· Public domain
- 3. Cadillac--STS: IFCAR· Public domain
- 4. '08 Cadillac STS: Bull-Doser· Public domain
- 5. 05 Cadillac STS 4 (13789245215): Greg Gjerdingen from Willmar, USA· CC BY 2.0
- 6. 05 Cadillac STS 4 (13789265223): Greg Gjerdingen from Willmar, USA· CC BY 2.0
- 7. 05-07 Cadillac STS: IFCAR· Public domain
- 8. 2005 Cadillac STS (4793855436): Spanish Coches· CC BY 2.0
- 9. 2005 Cadillac STS 22.09.20 JM (1): Johannes Maximilian· CC BY-SA 4.0
- 10. 2005-07 Cadillac STS: IFCAR· Public domain
- 11. 2006 Cadillac STS mesh: No machine-readable author provided. Sfoskett~commonswiki assumed (based on copyright claims).· CC BY-SA 3.0
- 12. 2007 Cadillac STS -- NHTSA: U.S. National Highway Traffic Safety Administration· Public domain
base stats
Bars compare against all cars: 600 hp, 0 g CO₂, 400k registrations, €150k.
what the fuel types mean
- petrol Cheapest to buy, simple, but fuel is expensive in NL.
spec sheet
- built
- 2005–2011
- body
- sedan
- engine
- 3.6 L–4.6 L
- cylinders
- 6–8
- turbo
- no
- power
- 320 hp
- drive
- all-wheel drive, rear-wheel drive
- gearbox
- automatic
- seats
- 5
- doors
- 4
- weight
- 1,949 kg
- fuel use
- 14.1 L/100 km
- CO₂
- 284–336 g/km
- US rating
- 16–21 mpg
- EV range
- —
- US size class
- Midsize Cars
- avg new price NL
- € 101.299
Ranges cover every version ever sold. Blank means the sources don't say.
🇳🇱 on Dutch roads
10 are registered in the Netherlands today, #2790 of all models. Most common build year: 2005 (3 cars).
20052007
Cars still registered, by year of first registration (RDW).
🇺🇸 US versions (25)
Every version the EPA tested, model years 2005–2011. mpg is combined; L/100 km converted.
| year | version | engine | gearbox | drive | fuel | mpg | L/100 |
|---|---|---|---|---|---|---|---|
| 2011 | STS | 3.6 L 6 cyl | Automatic (S6) | RWD | Regular | 21 | 11.2 |
| 2011 | STS AWD | 3.6 L 6 cyl | Automatic (S6) | AWD | Regular | 21 | 11.2 |
| 2010 | STS | 3.6 L 6 cyl | Automatic (S6) | RWD | Regular | 21 | 11.2 |
| 2010 | STS | 4.6 L 8 cyl | Automatic (S6) | RWD | Regular | 18 | 13.1 |
| 2010 | STS AWD | 3.6 L 6 cyl | Automatic (S6) | AWD | Regular | 21 | 11.2 |
| 2010 | STS AWD | 4.6 L 8 cyl | Automatic (S6) | AWD | Regular | 17 | 13.8 |
| 2009 | STS | 3.6 L 6 cyl | Automatic (S6) | RWD | Regular | 20 | 11.8 |
| 2009 | STS | 4.6 L 8 cyl | Automatic (S6) | RWD | Premium | 18 | 13.1 |
| 2009 | STS AWD | 3.6 L 6 cyl | Automatic (S6) | 4-Wheel or AWD | Regular | 20 | 11.8 |
| 2009 | STS AWD | 4.6 L 8 cyl | Automatic (S6) | 4-Wheel or AWD | Premium | 17 | 13.8 |
| 2008 | STS | 3.6 L 6 cyl | Automatic (S6) | RWD | Regular | 20 | 11.8 |
| 2008 | STS | 4.6 L 8 cyl | Automatic (S6) | RWD | Premium | 18 | 13.1 |
| 2008 | STS AWD | 3.6 L 6 cyl | Automatic (S6) | 4-Wheel or AWD | Regular | 20 | 11.8 |
| 2008 | STS AWD | 4.6 L 8 cyl | Automatic (S6) | 4-Wheel or AWD | Premium | 16 | 14.7 |
| 2007 | STS | 3.6 L 6 cyl | Automatic (S5) | RWD | Regular | 19 | 12.4 |
| 2007 | STS | 4.6 L 8 cyl | Automatic (S6) | RWD | Premium | 18 | 13.1 |
| 2007 | STS | 4.6 L 8 cyl | Automatic (S6) | 4-Wheel or AWD | Premium | 16 | 14.7 |
| 2007 | STS AWD | 3.6 L 6 cyl | Automatic (S5) | 4-Wheel or AWD | Regular | 18 | 13.1 |
| 2006 | STS | 3.6 L 6 cyl | Automatic (S5) | RWD | Regular | 19 | 12.4 |
| 2006 | STS | 4.6 L 8 cyl | Automatic (S5) | RWD | Premium | 18 | 13.1 |
| 2006 | STS AWD | 3.6 L 6 cyl | Automatic (S5) | 4-Wheel or AWD | Regular | 18 | 13.1 |
| 2006 | STS AWD | 4.6 L 8 cyl | Automatic (S5) | 4-Wheel or AWD | Premium | 17 | 13.8 |
| 2005 | STS 2WD | 3.6 L 6 cyl | Automatic (S5) | RWD | Regular | 18 | 13.1 |
| 2005 | STS 2WD | 4.6 L 8 cyl | Automatic (S5) | RWD | Premium | 18 | 13.1 |
| 2005 | STS AWD | 4.6 L 8 cyl | Automatic (S5) | 4-Wheel or AWD | Premium | 17 | 13.8 |
Sources: RDW open data, fueleconomy.gov.Updated 2026-10-24.