Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/55-15 | 195/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.23 (590) | 27.28 (693) | 4.06 (103) 17.5% |
| Width inches (mm) | 7.48 (190) | 7.68 (195) | 0.2 (5) 2.6% |
| Circum. inches (mm) | 72.97 (1853.54) | 85.71 (2177.12) | 12.74 (323.58) 17.5% |
| Sidewall Height inches (mm) | 4.11 (104.5) | 6.14 (156) | 2.03 (51.5) 49.3% |
| Revolutions per mile (km) | 868.25 (539.51) | 739.21 (459.32) | -129.05 (-80.19) -14.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.49 mph (37.81 km/h) |
| 25 mph (40.23 km/h) | 29.36 mph (47.26 km/h) |
| 30 mph (48.28 km/h) | 35.24 mph (56.71 km/h) |
| 35 mph (56.33 km/h) | 41.11 mph (66.16 km/h) |
| 40 mph (64.37 km/h) | 46.98 mph (75.61 km/h) |
| 45 mph (72.42 km/h) | 52.86 mph (85.06 km/h) |
| 50 mph (80.47 km/h) | 58.73 mph (94.52 km/h) |
| 55 mph (88.51 km/h) | 64.6 mph (103.97 km/h) |
| 60 mph (96.56 km/h) | 70.47 mph (113.42 km/h) |
| 65 mph (104.61 km/h) | 76.35 mph (122.87 km/h) |
| 70 mph (112.65 km/h) | 82.22 mph (132.32 km/h) |
| 75 mph (120.7 km/h) | 88.09 mph (141.77 km/h) |
| 80 mph (128.75 km/h) | 93.97 mph (151.22 km/h) |
| 85 mph (136.79 km/h) | 99.84 mph (160.68 km/h) |
| 90 mph (144.84 km/h) | 105.71 mph (170.13 km/h) |
| 95 mph (152.89 km/h) | 111.58 mph (179.58 km/h) |
| 100 mph (160.93 km/h) | 117.46 mph (189.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1881 | 2185 | 2353 | 2457 | 2570 | 2650 | 2738 | 2842 | 2986 | 3130 | 3290 | 3418 | 3650 | 3906 | 4106 | 4235 | 4307 | 4571 | 4939 | 5739 |
Better Fuel Economy Factory Ratios Increased Power
