As of late 2022, here is a sampling of EL/CL combinations and their disk space usage. Sorted by highest to lowest disk usage, from a glance you can determine relatively how much space each client combination required at that time and hopefully help you make better informed decisions.
Mainnet tldr
Least disk space use: Besu/Teku 577GB
Most disk space use: Erigon/Lodestar 1.6TB
Testnet Goerli tldr
Least disk space use: Besu/Prysm
Most disk space use: Erigon/Nimbus
Mainnet
Execution and consensus layer data usage numbers as of 2022.12.19 by barnabas
Disk Use
CL EL Combination
1.6T
erigon-lodestar
1.6T
erigon-prysm
1.5T
erigon-nimbus
1.5T
erigon-lighthouse
1.4T
erigon-teku
1.2T
nethermind-lodestar
1.1T
nethermind-nimbus
1.1T
nethermind-lighthouse
1.1T
nethermind-prysm
1.0T
nethermind-teku
1.0T
geth-lodestar
947G
geth-lighthouse
946G
geth-prysm
923G
geth-nimbus
886G
geth-teku
688G
besu-lodestar
645G
besu-prysm
604G
besu-nimbus
631G
besu-lighthouse
577G
besu-teku
Testnet Goerli
Execution and consensus layer data usage numbers as of 2022.12.19 by Sea Monkey