Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/75-16 | 285/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.6 (878.9) | 31.71 (805.4) | -2.89 (-73.5) -8.4% |
| Width inches (mm) | 12.4 (315) | 11.22 (285) | -1.18 (-30) -9.5% |
| Circum. inches (mm) | 108.71 (2761.15) | 99.62 (2530.24) | -9.09 (-230.91) -8.4% |
| Sidewall Height inches (mm) | 9.3 (236.25) | 7.85 (199.5) | -1.45 (-36.75) -15.6% |
| Revolutions per mile (km) | 582.85 (362.17) | 636.04 (395.22) | 53.19 (33.05) 9.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.33 mph (29.5 km/h) |
| 25 mph (40.23 km/h) | 22.91 mph (36.87 km/h) |
| 30 mph (48.28 km/h) | 27.49 mph (44.24 km/h) |
| 35 mph (56.33 km/h) | 32.07 mph (51.62 km/h) |
| 40 mph (64.37 km/h) | 36.65 mph (58.99 km/h) |
| 45 mph (72.42 km/h) | 41.24 mph (66.36 km/h) |
| 50 mph (80.47 km/h) | 45.82 mph (73.74 km/h) |
| 55 mph (88.51 km/h) | 50.4 mph (81.11 km/h) |
| 60 mph (96.56 km/h) | 54.98 mph (88.49 km/h) |
| 65 mph (104.61 km/h) | 59.56 mph (95.86 km/h) |
| 70 mph (112.65 km/h) | 64.15 mph (103.23 km/h) |
| 75 mph (120.7 km/h) | 68.73 mph (110.61 km/h) |
| 80 mph (128.75 km/h) | 73.31 mph (117.98 km/h) |
| 85 mph (136.79 km/h) | 77.89 mph (125.35 km/h) |
| 90 mph (144.84 km/h) | 82.47 mph (132.73 km/h) |
| 95 mph (152.89 km/h) | 87.06 mph (140.1 km/h) |
| 100 mph (160.93 km/h) | 91.64 mph (147.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1619 | 1880 | 2025 | 2115 | 2211 | 2280 | 2356 | 2445 | 2569 | 2693 | 2831 | 2941 | 3141 | 3361 | 3533 | 3644 | 3706 | 3933 | 4250 | 4938 |
Better Fuel Economy Factory Ratios Increased Power
