Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/75-17 | 315/75-11 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.74 (679.3) | 29.6 (751.9) | 2.86 (72.6) 10.7% |
| Width inches (mm) | 6.5 (165) | 12.4 (315) | 5.91 (150) 90.9% |
| Circum. inches (mm) | 84.02 (2134.08) | 93 (2362.16) | 8.98 (228.08) 10.7% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 9.3 (236.25) | 4.43 (112.5) 90.9% |
| Revolutions per mile (km) | 754.11 (468.58) | 681.3 (423.34) | -72.81 (-45.24) -9.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.14 mph (35.63 km/h) |
| 25 mph (40.23 km/h) | 27.67 mph (44.53 km/h) |
| 30 mph (48.28 km/h) | 33.21 mph (53.44 km/h) |
| 35 mph (56.33 km/h) | 38.74 mph (62.35 km/h) |
| 40 mph (64.37 km/h) | 44.27 mph (71.25 km/h) |
| 45 mph (72.42 km/h) | 49.81 mph (80.16 km/h) |
| 50 mph (80.47 km/h) | 55.34 mph (89.07 km/h) |
| 55 mph (88.51 km/h) | 60.88 mph (97.97 km/h) |
| 60 mph (96.56 km/h) | 66.41 mph (106.88 km/h) |
| 65 mph (104.61 km/h) | 71.95 mph (115.79 km/h) |
| 70 mph (112.65 km/h) | 77.48 mph (124.69 km/h) |
| 75 mph (120.7 km/h) | 83.02 mph (133.6 km/h) |
| 80 mph (128.75 km/h) | 88.55 mph (142.51 km/h) |
| 85 mph (136.79 km/h) | 94.08 mph (151.41 km/h) |
| 90 mph (144.84 km/h) | 99.62 mph (160.32 km/h) |
| 95 mph (152.89 km/h) | 105.15 mph (169.23 km/h) |
| 100 mph (160.93 km/h) | 110.69 mph (178.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1734 | 2014 | 2169 | 2265 | 2368 | 2442 | 2523 | 2619 | 2752 | 2885 | 3032 | 3150 | 3364 | 3600 | 3785 | 3903 | 3969 | 4213 | 4552 | 5290 |
Better Fuel Economy Factory Ratios Increased Power
