There have GM Tech2 and GM MDI work for gm vehicles , but whats the difference for these 2 items ? Please check the details as bellow :
| Item | GM Tech 2 | GM MDI |
| Language | GM-English, Germany, Spanish , Japanese, French, Thai , Portuguese, Korean SAAB-English OPEL-English, Italian , Germany,Spanish HOLDEN-English SUZUKI-English ISUZU-English |
Multi-language: English, French, German, Japanese, Italian and so on. Total 30 languages to choose. |
| Update | Via 32MB Software Card | can not update |
| Activation | no need active | yes |
| Advantage | cannot plug original software card, but can support original program | can support software from original factory |
| OS requirement | no need connect to the PC | Win XP only |
| Internet connection | no need connect to the PC | can not connect to the internet then install the software, because once connect internet, it will remind you update the software |
| Support Car Model | Cannot support truck, only for cars, Support all GM systems 1992 thru current year. such as GM/ SAAB/ OPEL/ SUZUKI/ ISUZU/HOLDEN | MDI can test all GM car from 1990-2012 year. |
| Support programing | support reprogramming, but need to use with TIS2000 together | support offline program,such as chevrolet,opel, but not for all cars |