Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 80/70-17 | 195/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.41 (543.8) | 28.52 (724.3) | 7.11 (180.5) 33.2% |
| Width inches (mm) | 3.15 (80) | 7.68 (195) | 4.53 (115) 143.8% |
| Circum. inches (mm) | 67.26 (1708.4) | 89.58 (2275.46) | 22.33 (567.06) 33.2% |
| Sidewall Height inches (mm) | 2.2 (56) | 5.76 (146.25) | 3.55 (90.25) 161.2% |
| Revolutions per mile (km) | 942.02 (585.34) | 707.26 (439.47) | -234.76 (-145.87) -24.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.64 mph (42.87 km/h) |
| 25 mph (40.23 km/h) | 33.3 mph (53.59 km/h) |
| 30 mph (48.28 km/h) | 39.96 mph (64.31 km/h) |
| 35 mph (56.33 km/h) | 46.62 mph (75.02 km/h) |
| 40 mph (64.37 km/h) | 53.28 mph (85.74 km/h) |
| 45 mph (72.42 km/h) | 59.94 mph (96.46 km/h) |
| 50 mph (80.47 km/h) | 66.6 mph (107.18 km/h) |
| 55 mph (88.51 km/h) | 73.26 mph (117.89 km/h) |
| 60 mph (96.56 km/h) | 79.92 mph (128.61 km/h) |
| 65 mph (104.61 km/h) | 86.58 mph (139.33 km/h) |
| 70 mph (112.65 km/h) | 93.23 mph (150.05 km/h) |
| 75 mph (120.7 km/h) | 99.89 mph (160.76 km/h) |
| 80 mph (128.75 km/h) | 106.55 mph (171.48 km/h) |
| 85 mph (136.79 km/h) | 113.21 mph (182.2 km/h) |
| 90 mph (144.84 km/h) | 119.87 mph (192.92 km/h) |
| 95 mph (152.89 km/h) | 126.53 mph (203.64 km/h) |
| 100 mph (160.93 km/h) | 133.19 mph (214.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1800 | 2091 | 2252 | 2351 | 2459 | 2535 | 2619 | 2719 | 2857 | 2995 | 3148 | 3270 | 3492 | 3738 | 3929 | 4052 | 4121 | 4373 | 4726 | 5491 |
Better Fuel Economy Factory Ratios Increased Power
