REAL MPG:
Vauxhall Signum (2003 - 2008) 2.0i 16V Turbo
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Submit your Real MPG
31.7
Official MPG
28.0–36.0
Real MPG
32.2
Real MPG Average
102%
of official MPG
More engines available for this model:
| Engine | Official MPG | Real MPG Avg. | Real MPG % | |
| 1.8i 16V | 37.7 mpg | - | - |  |
| 1.9 CDTi 120 | 47.9 mpg | 46.9 mpg | 98% | |
| 1.9 CDTi 150 | 47.9 mpg | 43.6 mpg | 91% | |
| 2.2i 16V Direct | 34.9 mpg | 33.8 mpg | 97% | |
| 2.8i V6 Turbo | 26.6 mpg | 23.2 mpg | 87% | |
| 3.0 CDTi V6 | 40.4 mpg | 37.0 mpg | 92% | |
Our Fuel Cost Calculator shows you which will be the best choice for you.
Compare the running costs of petrol, diesel and electric cars to make the right choice for you.
Read the Honest John review...
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Vauxhall Signum (2003 - 2008)
Plushly equipped alternative to an executive saloon. Versatile rear seating, stacks of room and some decent engines. Cheap to buy.
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Rivals
| Vauxhall Signum (2003 - 2008) | 38.8 | avg mpg |
| Skoda Superb Estate (2015 on) | 48.7 | avg mpg |
| Ford Mondeo (2015 on) | 45.3 | avg mpg |
| Toyota Avensis (2009 - 2015) | 41.8 | avg mpg |
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