Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/80-16 | 195/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.02 (686.4) | 27.28 (693) | 0.26 (6.6) 1% |
| Width inches (mm) | 6.89 (175) | 7.68 (195) | 0.79 (20) 11.4% |
| Circum. inches (mm) | 84.9 (2156.39) | 85.71 (2177.12) | 0.82 (20.73) 1% |
| Sidewall Height inches (mm) | 5.51 (140) | 6.14 (156) | 0.63 (16) 11.4% |
| Revolutions per mile (km) | 746.31 (463.74) | 739.21 (459.32) | -7.11 (-4.42) -1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.19 mph (32.5 km/h) |
| 25 mph (40.23 km/h) | 25.24 mph (40.62 km/h) |
| 30 mph (48.28 km/h) | 30.29 mph (48.74 km/h) |
| 35 mph (56.33 km/h) | 35.34 mph (56.87 km/h) |
| 40 mph (64.37 km/h) | 40.38 mph (64.99 km/h) |
| 45 mph (72.42 km/h) | 45.43 mph (73.12 km/h) |
| 50 mph (80.47 km/h) | 50.48 mph (81.24 km/h) |
| 55 mph (88.51 km/h) | 55.53 mph (89.37 km/h) |
| 60 mph (96.56 km/h) | 60.58 mph (97.49 km/h) |
| 65 mph (104.61 km/h) | 65.63 mph (105.61 km/h) |
| 70 mph (112.65 km/h) | 70.67 mph (113.74 km/h) |
| 75 mph (120.7 km/h) | 75.72 mph (121.86 km/h) |
| 80 mph (128.75 km/h) | 80.77 mph (129.99 km/h) |
| 85 mph (136.79 km/h) | 85.82 mph (138.11 km/h) |
| 90 mph (144.84 km/h) | 90.87 mph (146.23 km/h) |
| 95 mph (152.89 km/h) | 95.91 mph (154.36 km/h) |
| 100 mph (160.93 km/h) | 100.96 mph (162.48 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
