Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/70-15 | 170/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.82 (605) | 26.71 (678.4) | 2.89 (73.4) 12.1% |
| Width inches (mm) | 6.3 (160) | 6.69 (170) | 0.39 (10) 6.3% |
| Circum. inches (mm) | 74.83 (1900.66) | 83.91 (2131.26) | 9.08 (230.59) 12.1% |
| Sidewall Height inches (mm) | 4.41 (112) | 5.35 (136) | 0.94 (24) 21.4% |
| Revolutions per mile (km) | 846.73 (526.13) | 755.12 (469.21) | -91.61 (-56.93) -10.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.43 mph (36.09 km/h) |
| 25 mph (40.23 km/h) | 28.03 mph (45.11 km/h) |
| 30 mph (48.28 km/h) | 33.64 mph (54.14 km/h) |
| 35 mph (56.33 km/h) | 39.25 mph (63.16 km/h) |
| 40 mph (64.37 km/h) | 44.85 mph (72.18 km/h) |
| 45 mph (72.42 km/h) | 50.46 mph (81.21 km/h) |
| 50 mph (80.47 km/h) | 56.07 mph (90.23 km/h) |
| 55 mph (88.51 km/h) | 61.67 mph (99.25 km/h) |
| 60 mph (96.56 km/h) | 67.28 mph (108.28 km/h) |
| 65 mph (104.61 km/h) | 72.89 mph (117.3 km/h) |
| 70 mph (112.65 km/h) | 78.49 mph (126.32 km/h) |
| 75 mph (120.7 km/h) | 84.1 mph (135.34 km/h) |
| 80 mph (128.75 km/h) | 89.71 mph (144.37 km/h) |
| 85 mph (136.79 km/h) | 95.31 mph (153.39 km/h) |
| 90 mph (144.84 km/h) | 100.92 mph (162.41 km/h) |
| 95 mph (152.89 km/h) | 106.53 mph (171.44 km/h) |
| 100 mph (160.93 km/h) | 112.13 mph (180.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1922 | 2232 | 2404 | 2510 | 2625 | 2707 | 2797 | 2903 | 3050 | 3197 | 3361 | 3492 | 3729 | 3990 | 4195 | 4326 | 4399 | 4669 | 5045 | 5863 |
Better Fuel Economy Factory Ratios Increased Power
