For the Opel Signum with a 1.8 gasoline engine, we choose batteries with dimensions of 242x175x175 mm, whose capacity exceeds 57 Ah. The weakest of these is the battery Bosch S4 S40 04 which capacity is 60 Ah and Cold Cranking Amps is 540 A. The most powerful battery is Lucas Supreme LS075 of a capacity 62Ah and Cold Cranking Amps: 600 A. All the batteries in the list above have a base hold-down B13.
For these petrol engines, we recommend batteries with dimensions of 276x175x175 mm or 278x175x175 mm and a capacity exceeding 71 Ah. The weakest of these is the battery Exide Excell EB712 which capacity is 71 Ah and Cold Cranking Amps is 670 A. The most powerful battery is Varta Silver Dynamic E38 of a capacity 74Ah and Cold Cranking Amps: 750 A. All of the above motors have a base hold-down B13.
These diesel engines should work with batteries of dimensions 276x175x175 mm or 278x175x175 mm, which capacity is minimum 71 Ah. The most basic battery of this set is Exide Excell EB712 of a capacity 71Ah and 670A Cold Cranking Amps, the battery with the biggest capacity is Varta Silver Dynamic E38 of a capacity 74 Ah, having 750A Cold Cranking Amps. All of the above motors have a base hold-down B13. If you’re still unsure which battery fits your Opel Signum , or if you want to help others in their selection, please send us a photo of your current battery in the comment section at the bottom of the page. You can also send the picture to contact@whatbattery.co.uk (we will place it in the comments to also help other users). Be sure to specify the car model, year, type, as well as the engine capacity and power. We’ll do our best to assist you!
See also information about other cars of this manufacturer