Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/35-21 | 295/45-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.13 (739.9) | 31.45 (798.9) | 2.32 (59) 8% |
| Width inches (mm) | 11.61 (295) | 11.61 (295) | 0 (0) 0% |
| Circum. inches (mm) | 91.51 (2324.46) | 98.81 (2509.82) | 7.3 (185.35) 8% |
| Sidewall Height inches (mm) | 4.06 (103.25) | 5.23 (132.75) | 1.16 (29.5) 28.6% |
| Revolutions per mile (km) | 692.35 (430.21) | 641.22 (398.43) | -51.13 (-31.77) -7.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.59 mph (34.75 km/h) |
| 25 mph (40.23 km/h) | 26.99 mph (43.44 km/h) |
| 30 mph (48.28 km/h) | 32.39 mph (52.13 km/h) |
| 35 mph (56.33 km/h) | 37.79 mph (60.82 km/h) |
| 40 mph (64.37 km/h) | 43.19 mph (69.51 km/h) |
| 45 mph (72.42 km/h) | 48.59 mph (78.2 km/h) |
| 50 mph (80.47 km/h) | 53.99 mph (86.88 km/h) |
| 55 mph (88.51 km/h) | 59.39 mph (95.57 km/h) |
| 60 mph (96.56 km/h) | 64.78 mph (104.26 km/h) |
| 65 mph (104.61 km/h) | 70.18 mph (112.95 km/h) |
| 70 mph (112.65 km/h) | 75.58 mph (121.64 km/h) |
| 75 mph (120.7 km/h) | 80.98 mph (130.33 km/h) |
| 80 mph (128.75 km/h) | 86.38 mph (139.01 km/h) |
| 85 mph (136.79 km/h) | 91.78 mph (147.7 km/h) |
| 90 mph (144.84 km/h) | 97.18 mph (156.39 km/h) |
| 95 mph (152.89 km/h) | 102.58 mph (165.08 km/h) |
| 100 mph (160.93 km/h) | 107.97 mph (173.77 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1632 | 1896 | 2041 | 2132 | 2229 | 2298 | 2375 | 2465 | 2590 | 2715 | 2854 | 2965 | 3166 | 3389 | 3562 | 3673 | 3736 | 3965 | 4284 | 4979 |
Better Fuel Economy Factory Ratios Increased Power
