Real MPG: Vauxhall Insignia (2017 - 2022) 1.6 Turbo D 136 Automatic
 
                
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                                54.3
                            
                            Official MPG(NEDC)
39.0–53.8                            
                            Real MPG
                        
                                44.0
                            
                            Real MPGAverage
                                    81%
                                
                                of Official MPG(NEDC)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 1.5 Turbo 165 | 47.1 mpg | - | 34.7 mpg | 74% | |
| 1.5 Turbo 165 Automatic | 46.3 mpg | - | 27.5 mpg | 59% | |
| 1.5 Turbo D | - | 60.1–61.4 mpg | 49.5 mpg | 81%* | |
| 1.5 Turbo D Automatic | - | 56.5 mpg | - | -* | |
| 1.5T 140 Ecotec | 47.6 mpg | - | - | - | |
| 1.5T 165 | 47.1 mpg | - | 33.8 mpg | 72% | |
| 1.6 Turbo 200 | 44.8 mpg | - | 27.3 mpg | 61% | |
| 1.6 Turbo 200 Automatic | - | 39.2 mpg | - | -* | |
| 1.6 Turbo D 110 | 64.2 mpg | - | 56.3 mpg | 88% | |
| 1.6 Turbo D 136 | 61.4–64.2 mpg | - | 54.2 mpg | 86% | |
| 2.0 Turbo 200 Automatic | - | 37.7–38.2 mpg | - | -* | |
| 2.0 Turbo 230 Automatic | - | 30.3–35.8 mpg | - | -* | |
| 2.0 Turbo 260 4x4 | 32.8 mpg | - | 21.5 mpg | 66% | |
| 2.0 Turbo D | 54.3 mpg | - | 39.8 mpg | 73% | |
| 2.0 Turbo D 170 | 53.3 mpg | - | 41.4 mpg | 78% | |
| 2.0 Turbo D 170 Automatic | 51.4 mpg | - | 38.8 mpg | 75% | |
| 2.0 Turbo D 174 | - | 60.1–61.4 mpg | - | -* | |
| 2.0 Turbo D 174 Automatic | - | 56.5 mpg | - | -* | |
| 2.0 Turbo D Automatic | 39.8–51.4 mpg | - | - | - | 
Read the Honest John review...
Vauxhall Insignia (2017 - 2022)
                Represents good value for money. Big boot and generous amount of rear legroom. Diesels are very economical.
            
        Rivals
| Vauxhall Insignia (2017 - 2022) | 39.1 | avg mpg | 
| Skoda Fabia Estate (2015 - 2022) | 51.8 | avg mpg | 
| Hyundai i30 Fastback (2018 - 2022) | 39.1 | avg mpg | 
| Renault Megane E-Tech (2022 on) | 0.0 | avg mpg | 

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