Real MPG: Vauxhall Signum (2003 - 2008)

Number of RealMPGs submitted

000105 Submit your RealMPG

22–56

Real MPG

38.4

Average

Plushly equipped alternative to an executive saloon. Versatile rear seating, stacks of room and some decent engines. Cheap to buy.

Lacks the driver satisfaction and image of a proper executive saloon. V6 TDI is oddly tardy. ESP is too intrusive.

Read the full Vauxhall Signum review

Select engine for more Real MPG information:

Engine	Official MPG (NEDC)	Official MPG (WLTP)	Real MPG Avg.	Real MPG %
1.8i 16V	37.7 mpg	-	36.1 mpg	96%	Submit
1.9 CDTi 120	47.9 mpg	-	46.9 mpg	98%	Submit
1.9 CDTi 150	47.9 mpg	-	43.6 mpg	91%	Submit
2.0i 16V Turbo	31.7 mpg	-	32.2 mpg	102%	Submit
2.2i 16V Direct	34.9 mpg	-	33.2 mpg	95%	Submit
2.8i V6 Turbo	26.6 mpg	-	23.2 mpg	87%	Submit
3.0 CDTi V6	40.4 mpg	-	36.7 mpg	91%	Submit

*Based on WLTP MPG values

Read the Honest John review...

Vauxhall Signum (2003 - 2008)

Plushly equipped alternative to an executive saloon. Versatile rear seating, stacks of room and some decent engines. Cheap to buy.

Latest submissions

GLC (2015 - 2021)

Astra (2009 - 2015)

Submit your Real MPG