Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/60-17 | 160/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.67 (575.8) | 25.82 (655.8) | 3.15 (80) 13.9% |
| Width inches (mm) | 4.72 (120) | 6.3 (160) | 1.57 (40) 33.3% |
| Circum. inches (mm) | 71.22 (1808.93) | 81.11 (2060.26) | 9.89 (251.33) 13.9% |
| Sidewall Height inches (mm) | 2.83 (72) | 4.41 (112) | 1.57 (40) 55.6% |
| Revolutions per mile (km) | 889.67 (552.81) | 781.14 (485.38) | -108.53 (-67.44) -12.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.78 mph (36.66 km/h) |
| 25 mph (40.23 km/h) | 28.47 mph (45.82 km/h) |
| 30 mph (48.28 km/h) | 34.17 mph (54.99 km/h) |
| 35 mph (56.33 km/h) | 39.86 mph (64.15 km/h) |
| 40 mph (64.37 km/h) | 45.56 mph (73.32 km/h) |
| 45 mph (72.42 km/h) | 51.25 mph (82.48 km/h) |
| 50 mph (80.47 km/h) | 56.95 mph (91.65 km/h) |
| 55 mph (88.51 km/h) | 62.64 mph (100.81 km/h) |
| 60 mph (96.56 km/h) | 68.34 mph (109.98 km/h) |
| 65 mph (104.61 km/h) | 74.03 mph (119.14 km/h) |
| 70 mph (112.65 km/h) | 79.73 mph (128.31 km/h) |
| 75 mph (120.7 km/h) | 85.42 mph (137.47 km/h) |
| 80 mph (128.75 km/h) | 91.11 mph (146.64 km/h) |
| 85 mph (136.79 km/h) | 96.81 mph (155.8 km/h) |
| 90 mph (144.84 km/h) | 102.5 mph (164.97 km/h) |
| 95 mph (152.89 km/h) | 108.2 mph (174.13 km/h) |
| 100 mph (160.93 km/h) | 113.89 mph (183.29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1988 | 2309 | 2487 | 2597 | 2715 | 2800 | 2893 | 3003 | 3155 | 3307 | 3477 | 3612 | 3857 | 4128 | 4339 | 4475 | 4551 | 4830 | 5219 | 6065 |
Better Fuel Economy Factory Ratios Increased Power
