Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/35-17 | 305/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.68 (652.3) | 30.21 (767.3) | 4.53 (115) 17.6% |
| Width inches (mm) | 12.4 (315) | 12.01 (305) | -0.39 (-10) -3.2% |
| Circum. inches (mm) | 80.68 (2049.26) | 94.9 (2410.54) | 14.22 (361.28) 17.6% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 6.6 (167.75) | 2.26 (57.5) 52.2% |
| Revolutions per mile (km) | 785.33 (487.98) | 667.63 (414.84) | -117.7 (-73.14) -15% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.53 mph (37.86 km/h) |
| 25 mph (40.23 km/h) | 29.41 mph (47.33 km/h) |
| 30 mph (48.28 km/h) | 35.29 mph (56.79 km/h) |
| 35 mph (56.33 km/h) | 41.17 mph (66.26 km/h) |
| 40 mph (64.37 km/h) | 47.05 mph (75.72 km/h) |
| 45 mph (72.42 km/h) | 52.93 mph (85.19 km/h) |
| 50 mph (80.47 km/h) | 58.81 mph (94.65 km/h) |
| 55 mph (88.51 km/h) | 64.7 mph (104.12 km/h) |
| 60 mph (96.56 km/h) | 70.58 mph (113.58 km/h) |
| 65 mph (104.61 km/h) | 76.46 mph (123.05 km/h) |
| 70 mph (112.65 km/h) | 82.34 mph (132.52 km/h) |
| 75 mph (120.7 km/h) | 88.22 mph (141.98 km/h) |
| 80 mph (128.75 km/h) | 94.1 mph (151.45 km/h) |
| 85 mph (136.79 km/h) | 99.99 mph (160.91 km/h) |
| 90 mph (144.84 km/h) | 105.87 mph (170.38 km/h) |
| 95 mph (152.89 km/h) | 111.75 mph (179.84 km/h) |
| 100 mph (160.93 km/h) | 117.63 mph (189.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1699 | 1974 | 2126 | 2220 | 2321 | 2393 | 2473 | 2567 | 2697 | 2827 | 2971 | 3087 | 3297 | 3528 | 3709 | 3825 | 3890 | 4128 | 4461 | 5184 |
Better Fuel Economy Factory Ratios Increased Power
