Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/75-15 | 285/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.74 (628.5) | 30.71 (780) | 5.96 (151.5) 24.1% |
| Width inches (mm) | 6.5 (165) | 11.22 (285) | 4.72 (120) 72.7% |
| Circum. inches (mm) | 77.74 (1974.49) | 96.47 (2450.44) | 18.74 (475.95) 24.1% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 7.85 (199.5) | 2.98 (75.75) 61.2% |
| Revolutions per mile (km) | 815.07 (506.46) | 656.76 (408.09) | -158.31 (-98.37) -19.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.82 mph (39.95 km/h) |
| 25 mph (40.23 km/h) | 31.03 mph (49.93 km/h) |
| 30 mph (48.28 km/h) | 37.23 mph (59.92 km/h) |
| 35 mph (56.33 km/h) | 43.44 mph (69.9 km/h) |
| 40 mph (64.37 km/h) | 49.64 mph (79.89 km/h) |
| 45 mph (72.42 km/h) | 55.85 mph (89.88 km/h) |
| 50 mph (80.47 km/h) | 62.05 mph (99.86 km/h) |
| 55 mph (88.51 km/h) | 68.26 mph (109.85 km/h) |
| 60 mph (96.56 km/h) | 74.46 mph (119.84 km/h) |
| 65 mph (104.61 km/h) | 80.67 mph (129.82 km/h) |
| 70 mph (112.65 km/h) | 86.87 mph (139.81 km/h) |
| 75 mph (120.7 km/h) | 93.08 mph (149.8 km/h) |
| 80 mph (128.75 km/h) | 99.28 mph (159.78 km/h) |
| 85 mph (136.79 km/h) | 105.49 mph (169.77 km/h) |
| 90 mph (144.84 km/h) | 111.69 mph (179.76 km/h) |
| 95 mph (152.89 km/h) | 117.9 mph (189.74 km/h) |
| 100 mph (160.93 km/h) | 124.11 mph (199.73 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1671 | 1942 | 2091 | 2183 | 2283 | 2354 | 2432 | 2525 | 2653 | 2781 | 2923 | 3037 | 3243 | 3471 | 3648 | 3762 | 3826 | 4061 | 4388 | 5099 |
Better Fuel Economy Factory Ratios Increased Power
