Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-23 | 320/65-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.7) | 40.38 (1025.6) | 11.18 (283.9) 38.3% |
| Width inches (mm) | 12.4 (315) | 12.6 (320) | 0.2 (5) 1.6% |
| Circum. inches (mm) | 91.74 (2330.12) | 126.85 (3222.02) | 35.11 (891.9) 38.3% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 8.19 (208) | 5.09 (129.25) 164.1% |
| Revolutions per mile (km) | 690.67 (429.16) | 499.48 (310.36) | -191.19 (-118.8) -27.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.66 mph (44.51 km/h) |
| 25 mph (40.23 km/h) | 34.57 mph (55.63 km/h) |
| 30 mph (48.28 km/h) | 41.48 mph (66.76 km/h) |
| 35 mph (56.33 km/h) | 48.4 mph (77.89 km/h) |
| 40 mph (64.37 km/h) | 55.31 mph (89.01 km/h) |
| 45 mph (72.42 km/h) | 62.22 mph (100.14 km/h) |
| 50 mph (80.47 km/h) | 69.14 mph (111.27 km/h) |
| 55 mph (88.51 km/h) | 76.05 mph (122.39 km/h) |
| 60 mph (96.56 km/h) | 82.97 mph (133.52 km/h) |
| 65 mph (104.61 km/h) | 89.88 mph (144.65 km/h) |
| 70 mph (112.65 km/h) | 96.79 mph (155.77 km/h) |
| 75 mph (120.7 km/h) | 103.71 mph (166.9 km/h) |
| 80 mph (128.75 km/h) | 110.62 mph (178.03 km/h) |
| 85 mph (136.79 km/h) | 117.54 mph (189.16 km/h) |
| 90 mph (144.84 km/h) | 124.45 mph (200.28 km/h) |
| 95 mph (152.89 km/h) | 131.36 mph (211.41 km/h) |
| 100 mph (160.93 km/h) | 138.28 mph (222.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1271 | 1477 | 1590 | 1661 | 1736 | 1790 | 1850 | 1920 | 2018 | 2115 | 2223 | 2310 | 2466 | 2640 | 2775 | 2861 | 2910 | 3088 | 3337 | 3878 |
Better Fuel Economy Factory Ratios Increased Power
