275/60R20 vs 295/60R20 is a plus-width on the same 20-inch wheel family. Aspect ratio stays 60. Rim stays 20. Width walks from 275 to 295, so height walks a little too: 33.0″ vs 33.9″. Compare them live: 275/60R20 vs 295/60R20.
The two stamps
| Size | Diameter | Width | Sidewall |
|---|---|---|---|
| 275/60R20 | 33.0″ | 10.8″ | 6.5″ |
| 295/60R20 | 33.9″ | 11.6″ | 7.0″ |
Diameter grows +2.9%. Width grows +7.3%. At 60 indicated on a truck calibrated for the 275, the 295 is doing 61.7 mph actual. The speedometer is not why people make this swap. Stance is.
When this pair shows up
275/60R20 is stock on a lot of 20-inch F-150 and Ram packages. 295/60R20 is the next common 20-inch width that still sits near 33 inches. If you wanted height instead of width, stay on 275 and read 275/65R20 vs 275/60R20.
A 295 section usually wants more rim width than a 275. The rim window page is that range. Offset and fender clearance are still on you.