The hatchback generally has more luggage space thanks to a larger trunk door opening and the ability to convert the rear of the passenger compartment into luggage space. Sedans tend to be quieter than hatchbacks, due to a more isolated rear area.
Gearbox:
Automatic
Manual
Engine:
1.8 Petrol
1.8 Petrol
Performance
Power:
122 HP
125 HP
Torque:
167 NM
170 NM
Acceleration 0-100 km/h:
n/a seconds
10.3 seconds
Opel Signum engine produces 3 HP less power than Peugeot 407, whereas torque is 3 NM less than Peugeot 407.
Fuel consumption
Fuel consumption (l/100km):
no data
7.7
Fuel tank capacity:
60 litres
66 litres
Dimensions
Length:
4.64 m
4.68 m
Width:
1.80 m
1.81 m
Height:
1.47 m
1.45 m
Both cars are similar in size. Opel Signum is 4 cm shorter than the Peugeot 407, 1 cm narrower, while the height of Opel Signum is 2 cm higher.
Trunk capacity:
no data
407 litres
Trunk max capacity: with rear seats folded down
1410 litres
no data
Turning diameter:
11.2 meters
12 meters
The turning circle of the Opel Signum is 0.8 metres less than that of the Peugeot 407, which means Opel Signum can be easier to manoeuvre in tight streets and parking spaces.
Opel Signum has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Peugeot 407, so Opel Signum quality could be a bit better.
