The pallet with Diesel 1000l is priced at $500 and has a capacity of 1000 liters. On the other hand, the pallet with Diesel 4000l is priced at $2000 and has a capacity of 4000 liters. So, if you need more diesel, the pallet with Diesel 4000l would be the more cost-effective option in terms of price per liter compared to the pallet with Diesel 1000l. However, if you do not require such a large volume of diesel, the pallet with Diesel 1000l could be a more suitable choice for your needs.