CO₂ emissions: 14 of 14 variants rated.
Chrysler 300C Touring HEMI 6.1 V8 SRT8 tops the Chrysler 300C ranking by CO₂ emissions, at 330 g/km.
Across 14 ranked variants, CO₂ emissions spans from 215 g/km to 330 g/km.
| # | Variant | Year | Body | Fuel | CO₂ emissions |
|---|---|---|---|---|---|
| 1 | Chrysler 300C Touring HEMI 6.1 V8 SRT8 | 2006 | Wagon | Petrol | 330 g/km |
| 2 | Chrysler 300C HEMI 6.1 V8 SRT8 | 2006 | Sedan | Petrol | 330 g/km |
| 3 | Chrysler 300C Touring HEMI 5.7 V8 AWD | 2004 | Wagon | Petrol | 316 g/km |
| 4 | Chrysler 300C Touring HEMI 5.7 V8 | 2004 | Wagon | Petrol | 298 g/km |
| 5 | Chrysler 300C HEMI 5.7 V8 | 2004 | Sedan | Petrol | 291 g/km |
| 6 | Chrysler 300C Touring 3.5 V6 AWD | 2004 | Wagon | Petrol | 285 g/km |
| 7 | Chrysler 300C Touring 3.5 V6 | 2004 | Wagon | Petrol | 269 g/km |
| 8 | Chrysler 300C Touring 2.7 V6 | 2004 | Wagon | Petrol | 267 g/km |
| 9 | Chrysler 300C 3.5 V6 | 2004 | Sedan | Petrol | 264 g/km |
| 10 | Chrysler 300C 2.7 V6 | 2004 | Sedan | Petrol | 257 g/km |
| 11 | Chrysler 300C Touring 3.0 CRD Signature Series | 2010 | Wagon | Diesel | 220 g/km |
| 12 | Chrysler 300C Touring 3.0 CRD | 2005 | Wagon | Diesel | 220 g/km |
| 13 | Chrysler 300C 3.0 CRD Signature Series | 2010 | Sedan | Diesel | 215 g/km |
| 14 | Chrysler 300C 3.0 CRD | 2005 | Sedan | Diesel | 215 g/km |