Sony A7R III vs Sony A7R IV
Side-by-side used price and spec comparison. Lowest current prices pulled daily from the major used-gear sites.
Lowest now
$889
MSRP
$3,198
-72% vs MSRP
Typical pricing right now
Today's price sits in the middle of its recent range. The 90-day window runs from $760 to roughly today's $889. 28% of the $3,198 MSRP. Prices are up 4.0% over the last 30 days.
Lowest now
$1,349
MSRP
$3,498
-61% vs MSRP
Well above the 90-day low
Today's price sits well above the recent low. Today's price runs 31% above the 90-day low of $1,029 (seen Oct 14, 2026). 39% of the $3,498 MSRP. Prices are up 3.1% over the last 30 days.
Quick answers
- Which is cheaper used, the Sony A7R III or the Sony A7R IV?
- The Sony A7R III is cheaper used: $889 against $1,349 for the Sony A7R IV, a gap of $460 (52%) as of 2026-10-28.
- How much more does the newer Sony A7R IV cost used?
- $460 more. The Sony A7R IV (2019) starts at $1,349 used and the Sony A7R III (2017) at $889 as of 2026-10-28.
- What share of its launch price does a used Sony A7R III cost?
- About 28%: $889 used against a $3,198 launch price as of 2026-10-28.
Specs side by side
| Sony A7R III | Sony A7R IV | |
|---|---|---|
| Brand | Sony | Sony |
| Family | Sony Alpha | Sony Alpha |
| Category | body | body |
| Body type | Mirrorless | Mirrorless |
| Mount | Sony FE | Sony FE |
| Sensor | Full Frame | Full Frame |
| Sensor family | — | — |
| Megapixels | 42.4 MP | 61 MP |
| Autofocus | — | — |
| IBIS | 5-axis 5.5-stop | 5-axis 5.5-stop |
| Weather sealed | Yes | Yes |
| Max video | — | — |
| Max native ISO | — | — |
| Body weight | 657 g | 665 g |
| Dimensions | — | — |
| Body material | — | — |
| Released | 2017-11-01 | 2019-09-01 |
| Discontinued | — | — |
| Status | discontinued | discontinued |
| MSRP | $3,198 | $3,498 |
| Current low | $889 | $1,349 |
| vs MSRP | -72% | -61% |
The verdicts above describe price timing. They don't tell you which camera fits your shooting style. See /methods for how we normalize seller conditions and compute the deal score.