Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/80-15 | 195/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.65 (677) | 27.28 (693) | 0.63 (16) 2.4% |
| Width inches (mm) | 7.28 (185) | 7.68 (195) | 0.39 (10) 5.4% |
| Circum. inches (mm) | 83.73 (2126.86) | 85.71 (2177.12) | 1.98 (50.27) 2.4% |
| Sidewall Height inches (mm) | 5.83 (148) | 6.14 (156) | 0.31 (8) 5.4% |
| Revolutions per mile (km) | 756.68 (470.18) | 739.21 (459.32) | -17.47 (-10.86) -2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.47 mph (32.95 km/h) |
| 25 mph (40.23 km/h) | 25.59 mph (41.18 km/h) |
| 30 mph (48.28 km/h) | 30.71 mph (49.42 km/h) |
| 35 mph (56.33 km/h) | 35.83 mph (57.66 km/h) |
| 40 mph (64.37 km/h) | 40.95 mph (65.9 km/h) |
| 45 mph (72.42 km/h) | 46.06 mph (74.13 km/h) |
| 50 mph (80.47 km/h) | 51.18 mph (82.37 km/h) |
| 55 mph (88.51 km/h) | 56.3 mph (90.61 km/h) |
| 60 mph (96.56 km/h) | 61.42 mph (98.84 km/h) |
| 65 mph (104.61 km/h) | 66.54 mph (107.08 km/h) |
| 70 mph (112.65 km/h) | 71.65 mph (115.32 km/h) |
| 75 mph (120.7 km/h) | 76.77 mph (123.55 km/h) |
| 80 mph (128.75 km/h) | 81.89 mph (131.79 km/h) |
| 85 mph (136.79 km/h) | 87.01 mph (140.03 km/h) |
| 90 mph (144.84 km/h) | 92.13 mph (148.26 km/h) |
| 95 mph (152.89 km/h) | 97.25 mph (156.5 km/h) |
| 100 mph (160.93 km/h) | 102.36 mph (164.74 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
