Opel Signum (2005 – 2008) vs Vauxhall Vectra VXR (2005 – 2008): specs compared

The Vauxhall Vectra VXR is the more powerful of the two, with up to 255 hp against 250 hp. It is quicker, reaching 100 km/h in 6.5 s against 7.6 s. It has the higher top speed: 259 km/h against 243 km/h. The Opel Signum uses less fuel, from 5.9 L/100 km against 8.6 L/100 km. It is the lighter car, from 1,415 kg against 1,477 kg.

Specification Opel Signum Opel Signum 2005 – 2008 Vauxhall Vectra VXR Vauxhall Vectra VXR 2005 – 2008
Overview
Origin Germany United Kingdom
Documented years 2005 – 2008 2005 – 2008
Body style — —
Variants 10 1
Fuel Diesel, Petrol Petrol
Drive FWD FWD
Gearbox Manual Manual
Performance
Power 101 – 250 hp 258 hp
Torque 167 – 370 Nm 355 Nm
0–100 km/h 7.6 – 14.0 s 6.5 s
Top speed 180 – 243 km/h 259 km/h
Economy
Fuel economy 5.9 – 10.6 L/100 km 8.6 L/100 km
Dimensions
Length 4,648 – 4,651 mm 4,638 mm
Width 1,801 mm 1,798 mm
Height 1,471 mm 1,448 mm
Wheelbase 2,830 mm 2,700 mm
Curb weight 1,415 – 1,595 kg 1,477 kg

Ranges cover all variants of each car. The highlight marks the best version per row.

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