Real MPG: Hyundai i30 Fastback (2018 - 2022) 1.5 T-GDI
                
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                            Official MPG(NEDC)
                                    45.6
                                
                                Official MPG(WLTP)
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                            Real MPG
                        
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                            Real MPGAverage
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                                of Official MPG(WLTP)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 1.0 T-GDi 120 | 51.4 mpg | - | 40.6 mpg | 79% | |
| 1.4 T-GDI 140 | 48.7 mpg | 42.2–44.1 mpg | 38.4 mpg | 89%* | |
| 1.4 T-GDI 140 DCT | 51.4 mpg | 44.1–45.6 mpg | 38.3 mpg | 85%* | |
| 1.5 T-GDI DCT | - | 47.1 mpg | - | -* | 
Read the Honest John review...
Hyundai i30 Fastback (2018 - 2022)
                Looks great. Sporty driving experience. Space for all the family and their luggage.
            
        Rivals
| Hyundai i30 Fastback (2018 - 2022) | 39.1 | avg mpg | 
| Ford Focus (2018 - 2025) | 45.9 | avg mpg | 
| Ford Focus Active (2019 - 2025) | 49.1 | avg mpg | 
| BMW 1 Series (2019 - 2024) | 40.7 | avg mpg | 
