Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/70-17 | 285/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.75 (704.8) | 30.71 (780) | 2.96 (75.2) 10.7% |
| Width inches (mm) | 7.68 (195) | 11.22 (285) | 3.54 (90) 46.2% |
| Circum. inches (mm) | 87.17 (2214.19) | 96.47 (2450.44) | 9.3 (236.25) 10.7% |
| Sidewall Height inches (mm) | 5.37 (136.5) | 7.85 (199.5) | 2.48 (63) 46.2% |
| Revolutions per mile (km) | 726.83 (451.63) | 656.76 (408.09) | -70.07 (-43.54) -9.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.13 mph (35.62 km/h) |
| 25 mph (40.23 km/h) | 27.67 mph (44.53 km/h) |
| 30 mph (48.28 km/h) | 33.2 mph (53.43 km/h) |
| 35 mph (56.33 km/h) | 38.73 mph (62.34 km/h) |
| 40 mph (64.37 km/h) | 44.27 mph (71.24 km/h) |
| 45 mph (72.42 km/h) | 49.8 mph (80.15 km/h) |
| 50 mph (80.47 km/h) | 55.33 mph (89.05 km/h) |
| 55 mph (88.51 km/h) | 60.87 mph (97.96 km/h) |
| 60 mph (96.56 km/h) | 66.4 mph (106.86 km/h) |
| 65 mph (104.61 km/h) | 71.94 mph (115.77 km/h) |
| 70 mph (112.65 km/h) | 77.47 mph (124.67 km/h) |
| 75 mph (120.7 km/h) | 83 mph (133.58 km/h) |
| 80 mph (128.75 km/h) | 88.54 mph (142.48 km/h) |
| 85 mph (136.79 km/h) | 94.07 mph (151.39 km/h) |
| 90 mph (144.84 km/h) | 99.6 mph (160.3 km/h) |
| 95 mph (152.89 km/h) | 105.14 mph (169.2 km/h) |
| 100 mph (160.93 km/h) | 110.67 mph (178.11 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
