Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/35-17 | 305/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.68 (652.3) | 29.01 (736.8) | 3.33 (84.5) 13% |
| Width inches (mm) | 12.4 (315) | 12.01 (305) | -0.39 (-10) -3.2% |
| Circum. inches (mm) | 80.68 (2049.26) | 91.13 (2314.73) | 10.45 (265.46) 13% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 6 (152.5) | 1.66 (42.25) 38.3% |
| Revolutions per mile (km) | 785.33 (487.98) | 695.26 (432.02) | -90.07 (-55.96) -11.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.59 mph (36.36 km/h) |
| 25 mph (40.23 km/h) | 28.24 mph (45.45 km/h) |
| 30 mph (48.28 km/h) | 33.89 mph (54.53 km/h) |
| 35 mph (56.33 km/h) | 39.53 mph (63.62 km/h) |
| 40 mph (64.37 km/h) | 45.18 mph (72.71 km/h) |
| 45 mph (72.42 km/h) | 50.83 mph (81.8 km/h) |
| 50 mph (80.47 km/h) | 56.48 mph (90.89 km/h) |
| 55 mph (88.51 km/h) | 62.12 mph (99.98 km/h) |
| 60 mph (96.56 km/h) | 67.77 mph (109.07 km/h) |
| 65 mph (104.61 km/h) | 73.42 mph (118.16 km/h) |
| 70 mph (112.65 km/h) | 79.07 mph (127.25 km/h) |
| 75 mph (120.7 km/h) | 84.72 mph (136.34 km/h) |
| 80 mph (128.75 km/h) | 90.36 mph (145.43 km/h) |
| 85 mph (136.79 km/h) | 96.01 mph (154.52 km/h) |
| 90 mph (144.84 km/h) | 101.66 mph (163.6 km/h) |
| 95 mph (152.89 km/h) | 107.31 mph (172.69 km/h) |
| 100 mph (160.93 km/h) | 112.95 mph (181.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1769 | 2055 | 2214 | 2311 | 2417 | 2492 | 2575 | 2673 | 2808 | 2944 | 3094 | 3215 | 3433 | 3674 | 3862 | 3983 | 4051 | 4299 | 4645 | 5398 |
Better Fuel Economy Factory Ratios Increased Power
