Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/80-15 | 195/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.91 (709) | 27.28 (693) | -0.63 (-16) -2.3% |
| Width inches (mm) | 8.07 (205) | 7.68 (195) | -0.39 (-10) -4.9% |
| Circum. inches (mm) | 87.69 (2227.39) | 85.71 (2177.12) | -1.98 (-50.27) -2.3% |
| Sidewall Height inches (mm) | 6.46 (164) | 6.14 (156) | -0.31 (-8) -4.9% |
| Revolutions per mile (km) | 722.52 (448.96) | 739.21 (459.32) | 16.68 (10.37) 2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.55 mph (31.46 km/h) |
| 25 mph (40.23 km/h) | 24.44 mph (39.33 km/h) |
| 30 mph (48.28 km/h) | 29.32 mph (47.19 km/h) |
| 35 mph (56.33 km/h) | 34.21 mph (55.06 km/h) |
| 40 mph (64.37 km/h) | 39.1 mph (62.92 km/h) |
| 45 mph (72.42 km/h) | 43.98 mph (70.79 km/h) |
| 50 mph (80.47 km/h) | 48.87 mph (78.65 km/h) |
| 55 mph (88.51 km/h) | 53.76 mph (86.52 km/h) |
| 60 mph (96.56 km/h) | 58.65 mph (94.38 km/h) |
| 65 mph (104.61 km/h) | 63.53 mph (102.25 km/h) |
| 70 mph (112.65 km/h) | 68.42 mph (110.11 km/h) |
| 75 mph (120.7 km/h) | 73.31 mph (117.98 km/h) |
| 80 mph (128.75 km/h) | 78.19 mph (125.84 km/h) |
| 85 mph (136.79 km/h) | 83.08 mph (133.71 km/h) |
| 90 mph (144.84 km/h) | 87.97 mph (141.57 km/h) |
| 95 mph (152.89 km/h) | 92.86 mph (149.44 km/h) |
| 100 mph (160.93 km/h) | 97.74 mph (157.3 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
