Real MPG: Peugeot 308 CC (2009 - 2015)
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 1.6 e-HDi | 57.5–60.1 mpg | - | - | - | |
| 1.6 HDi 110 | 55.4 mpg | - | - | - | |
| 1.6 HDi 112 | 55.4 mpg | - | 48.0 mpg | 87% | |
| 1.6 THP | 37.7–40.4 mpg | - | 35.7 mpg | 91% | |
| 1.6 THP 200 | 40.4 mpg | - | - | - | |
| 1.6 THP Automatic | 36.6 mpg | - | - | - | |
| 1.6 VTi | 40.1–42.2 mpg | - | 44.1 mpg | 107% | |
| 2.0 HDi | 47.8–49.6 mpg | - | 45.7 mpg | 94% | |
| 2.0 HDi Automatic | 42.8 mpg | - | - | - |
Read the Honest John review...
Peugeot 308 CC (2009 - 2015)
Much improved over 307CC. Reasonable range of engines and transmissions.
Rivals
| Peugeot 308 CC (2009 - 2015) | 40.5 | avg mpg |
| BMW Z4 (2009 - 2016) | 32.3 | avg mpg |
| Audi TT RS (2009 - 2015) | 31.2 | avg mpg |
| Volvo C70 (2010 - 2013) | 39.9 | avg mpg |
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