Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-20 | 295/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.2 (665.5) | 36.26 (921) | 10.06 (255.5) 38.4% |
| Width inches (mm) | 12.4 (315) | 11.61 (295) | -0.79 (-20) -6.3% |
| Circum. inches (mm) | 82.31 (2090.73) | 113.91 (2893.41) | 31.6 (802.68) 38.4% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 8.13 (206.5) | 5.03 (127.75) 162.2% |
| Revolutions per mile (km) | 769.75 (478.3) | 556.21 (345.61) | -213.54 (-132.69) -27.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.68 mph (44.54 km/h) |
| 25 mph (40.23 km/h) | 34.6 mph (55.68 km/h) |
| 30 mph (48.28 km/h) | 41.52 mph (66.82 km/h) |
| 35 mph (56.33 km/h) | 48.44 mph (77.95 km/h) |
| 40 mph (64.37 km/h) | 55.36 mph (89.09 km/h) |
| 45 mph (72.42 km/h) | 62.28 mph (100.22 km/h) |
| 50 mph (80.47 km/h) | 69.2 mph (111.36 km/h) |
| 55 mph (88.51 km/h) | 76.12 mph (122.5 km/h) |
| 60 mph (96.56 km/h) | 83.04 mph (133.63 km/h) |
| 65 mph (104.61 km/h) | 89.95 mph (144.77 km/h) |
| 70 mph (112.65 km/h) | 96.87 mph (155.9 km/h) |
| 75 mph (120.7 km/h) | 103.79 mph (167.04 km/h) |
| 80 mph (128.75 km/h) | 110.71 mph (178.18 km/h) |
| 85 mph (136.79 km/h) | 117.63 mph (189.31 km/h) |
| 90 mph (144.84 km/h) | 124.55 mph (200.45 km/h) |
| 95 mph (152.89 km/h) | 131.47 mph (211.59 km/h) |
| 100 mph (160.93 km/h) | 138.39 mph (222.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1415 | 1644 | 1771 | 1849 | 1933 | 1994 | 2060 | 2138 | 2247 | 2355 | 2476 | 2572 | 2747 | 2939 | 3090 | 3186 | 3240 | 3439 | 3716 | 4319 |
Better Fuel Economy Factory Ratios Increased Power
