When you're comparing mirrorless and DSLR cameras, the real question is often whether an older, budget body or a newer all-in-one kit makes more sense. That's the choice between the Canon EOS Rebel XSi and the Canon EOS Rebel T7 with an 18-55mm lens.
Quick verdict
The Canon EOS Rebel XSi is the lower-cost entry into Canon's EOS system, but it requires you to supply extra components. The Canon EOS Rebel T7 kit is the more convenient all-in-one option, with a newer sensor and a more complete setup.
Comparison at a glance
| Camera | Listed price | Price bar | What stands out |
|---|---|---|---|
| Canon EOS Rebel XSi | body only | USD 49.99 | Older 12.2MP body at the low end of the price spread | |
| Canon EOS Rebel T7 | kit | USD 365.00 | New 24.1MP kit with Wi-Fi|NFC and bundled lens |
The total setup matters
At these two price points, you're not just comparing camera bodies. The XSi listing is for the camera body, while the T7 listing is a kit with included extras. If you are starting with no Canon gear, the T7 removes several extra purchases; if you already have accessories or plan to buy used, the XSi gives you a lower entry point.
Which side you land on depends on whether you already own Canon EOS accessories or are starting empty-handed. The XSi is a bare body listing, so a starting-from-zero shopper will need to budget for more than the body price. The T7 is listed as a full kit, so the upfront number is higher but the setup is more self-contained.
Where each camera wins
Choose the Canon EOS Rebel XSi if you want the least expensive starting point and are ready to piece together the rest of your setup. The camera body itself is the budget centerpiece, leaving room for separate choices.
Choose the Canon EOS Rebel T7 if you prefer a single new package. The kit includes the extras you need to start shooting, so you can avoid assembling a camera setup from scratch.
Product notes
Canon EOS Rebel XSi DS126181 Black Digital Camera Body Only

At USD 49.99, this used XSi body gives you a 12.2MP DSLR with a 3-inch screen and USB connectivity. It comes as body only, with no battery included and no charger included, so factor those extras into your build. The black body is part of Canon's EOS Rebel line and uses a lithium-ion battery. If you want the lowest starting point into a Canon DSLR, this is the budget side. The trade-off is that you are responsible for supplying the missing essentials, rather than receiving a complete kit.
Canon EOS Rebel T7 24.1MP Digital SLR Camera Kit 18-55mm brand new

At USD 365.00, this new T7 kit bundles the 24.1MP DSLR with an 18-55mm lens and includes a charger. The camera adds Wi-Fi and NFC, a built-in flash, auto focus, and Full HD EOS Movie capture. The kit is more convenient than a bare body, so you can start shooting without assembling separate components. Its trade-off is a much higher price than the XSi body, and if you are already prepared to add your own accessories, that extra cost may go further elsewhere. Still, for a shopper who wants newer resolution and a lens-included kit, this package consolidates everything.
Final choice by use case
If your goal is the lowest-cost path into a Canon DSLR and you are comfortable supplying missing pieces, the Canon EOS Rebel XSi is the practical budget pick. If you want a new camera with a more complete kit, the Canon EOS Rebel T7 kit is the more convenient pick.