Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/35-21 | 295/40-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.68 (753.9) | 30.29 (769.4) | 0.61 (15.5) 2.1% |
| Width inches (mm) | 12.4 (315) | 11.61 (295) | -0.79 (-20) -6.3% |
| Circum. inches (mm) | 93.25 (2368.45) | 95.16 (2417.14) | 1.92 (48.69) 2.1% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 4.65 (118) | 0.31 (7.75) 7% |
| Revolutions per mile (km) | 679.49 (422.22) | 665.8 (413.71) | -13.69 (-8.51) -2% |
295/40-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.41 mph (32.85 km/h) |
| 25 mph (40.23 km/h) | 25.51 mph (41.06 km/h) |
| 30 mph (48.28 km/h) | 30.62 mph (49.27 km/h) |
| 35 mph (56.33 km/h) | 35.72 mph (57.49 km/h) |
| 40 mph (64.37 km/h) | 40.82 mph (65.7 km/h) |
| 45 mph (72.42 km/h) | 45.93 mph (73.91 km/h) |
| 50 mph (80.47 km/h) | 51.03 mph (82.12 km/h) |
| 55 mph (88.51 km/h) | 56.13 mph (90.33 km/h) |
| 60 mph (96.56 km/h) | 61.23 mph (98.55 km/h) |
| 65 mph (104.61 km/h) | 66.34 mph (106.76 km/h) |
| 70 mph (112.65 km/h) | 71.44 mph (114.97 km/h) |
| 75 mph (120.7 km/h) | 76.54 mph (123.18 km/h) |
| 80 mph (128.75 km/h) | 81.64 mph (131.39 km/h) |
| 85 mph (136.79 km/h) | 86.75 mph (139.61 km/h) |
| 90 mph (144.84 km/h) | 91.85 mph (147.82 km/h) |
| 95 mph (152.89 km/h) | 96.95 mph (156.03 km/h) |
| 100 mph (160.93 km/h) | 102.06 mph (164.24 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1694 | 1968 | 2120 | 2213 | 2314 | 2387 | 2466 | 2560 | 2689 | 2819 | 2963 | 3079 | 3288 | 3518 | 3699 | 3814 | 3879 | 4117 | 4449 | 5170 |
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