Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 245/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 29.54 (750.3) | 0.03 (0.84) 0.1% |
| Width inches (mm) | 10.51 (267) | 9.65 (245) | -0.87 (-22) -8.2% |
| Circum. inches (mm) | 92.7 (2354.5) | 92.8 (2357.14) | 0.1 (2.64) 0.1% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 6.27 (159.25) | -0.98 (-24.98) -13.6% |
| Revolutions per mile (km) | 683.52 (424.72) | 682.75 (424.24) | -0.77 (-0.48) -0.1% |
245/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.02 mph (32.22 km/h) |
| 25 mph (40.23 km/h) | 25.03 mph (40.28 km/h) |
| 30 mph (48.28 km/h) | 30.03 mph (48.33 km/h) |
| 35 mph (56.33 km/h) | 35.04 mph (56.39 km/h) |
| 40 mph (64.37 km/h) | 40.04 mph (64.45 km/h) |
| 45 mph (72.42 km/h) | 45.05 mph (72.5 km/h) |
| 50 mph (80.47 km/h) | 50.06 mph (80.56 km/h) |
| 55 mph (88.51 km/h) | 55.06 mph (88.61 km/h) |
| 60 mph (96.56 km/h) | 60.07 mph (96.67 km/h) |
| 65 mph (104.61 km/h) | 65.07 mph (104.72 km/h) |
| 70 mph (112.65 km/h) | 70.08 mph (112.78 km/h) |
| 75 mph (120.7 km/h) | 75.08 mph (120.84 km/h) |
| 80 mph (128.75 km/h) | 80.09 mph (128.89 km/h) |
| 85 mph (136.79 km/h) | 85.1 mph (136.95 km/h) |
| 90 mph (144.84 km/h) | 90.1 mph (145 km/h) |
| 95 mph (152.89 km/h) | 95.11 mph (153.06 km/h) |
| 100 mph (160.93 km/h) | 100.11 mph (161.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1737 | 2018 | 2174 | 2270 | 2373 | 2447 | 2529 | 2625 | 2758 | 2891 | 3039 | 3157 | 3371 | 3608 | 3793 | 3911 | 3978 | 4222 | 4562 | 5301 |
Better Fuel Economy Factory Ratios Increased Power
