Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 305/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 34.01 (863.9) | 6.85 (174) 25.2% |
| Width inches (mm) | 12.4 (315) | 12.01 (305) | -0.39 (-10) -3.2% |
| Circum. inches (mm) | 85.33 (2167.38) | 106.85 (2714.02) | 21.52 (546.64) 25.2% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 9.01 (228.75) | 3.43 (87) 61.4% |
| Revolutions per mile (km) | 742.53 (461.38) | 592.97 (368.46) | -149.55 (-92.93) -20.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.04 mph (40.3 km/h) |
| 25 mph (40.23 km/h) | 31.31 mph (50.38 km/h) |
| 30 mph (48.28 km/h) | 37.57 mph (60.46 km/h) |
| 35 mph (56.33 km/h) | 43.83 mph (70.53 km/h) |
| 40 mph (64.37 km/h) | 50.09 mph (80.61 km/h) |
| 45 mph (72.42 km/h) | 56.35 mph (90.69 km/h) |
| 50 mph (80.47 km/h) | 62.61 mph (100.76 km/h) |
| 55 mph (88.51 km/h) | 68.87 mph (110.84 km/h) |
| 60 mph (96.56 km/h) | 75.13 mph (120.91 km/h) |
| 65 mph (104.61 km/h) | 81.39 mph (130.99 km/h) |
| 70 mph (112.65 km/h) | 87.65 mph (141.07 km/h) |
| 75 mph (120.7 km/h) | 93.92 mph (151.14 km/h) |
| 80 mph (128.75 km/h) | 100.18 mph (161.22 km/h) |
| 85 mph (136.79 km/h) | 106.44 mph (171.3 km/h) |
| 90 mph (144.84 km/h) | 112.7 mph (181.37 km/h) |
| 95 mph (152.89 km/h) | 118.96 mph (191.45 km/h) |
| 100 mph (160.93 km/h) | 125.22 mph (201.52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1509 | 1753 | 1888 | 1971 | 2061 | 2125 | 2196 | 2280 | 2395 | 2511 | 2639 | 2742 | 2928 | 3134 | 3294 | 3397 | 3455 | 3667 | 3962 | 4604 |
Better Fuel Economy Factory Ratios Increased Power
