Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 195/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 27.28 (693) | 2.21 (56.06) 8.8% |
| Width inches (mm) | 7.52 (191) | 7.68 (195) | 0.16 (4) 2.1% |
| Circum. inches (mm) | 78.78 (2001.01) | 85.71 (2177.12) | 6.93 (176.12) 8.8% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 6.14 (156) | 1.1 (28.03) 21.9% |
| Revolutions per mile (km) | 804.27 (499.75) | 739.21 (459.32) | -65.06 (-40.43) -8.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.76 mph (35.02 km/h) |
| 25 mph (40.23 km/h) | 27.2 mph (43.77 km/h) |
| 30 mph (48.28 km/h) | 32.64 mph (52.53 km/h) |
| 35 mph (56.33 km/h) | 38.08 mph (61.28 km/h) |
| 40 mph (64.37 km/h) | 43.52 mph (70.04 km/h) |
| 45 mph (72.42 km/h) | 48.96 mph (78.79 km/h) |
| 50 mph (80.47 km/h) | 54.4 mph (87.55 km/h) |
| 55 mph (88.51 km/h) | 59.84 mph (96.3 km/h) |
| 60 mph (96.56 km/h) | 65.28 mph (105.06 km/h) |
| 65 mph (104.61 km/h) | 70.72 mph (113.81 km/h) |
| 70 mph (112.65 km/h) | 76.16 mph (122.57 km/h) |
| 75 mph (120.7 km/h) | 81.6 mph (131.32 km/h) |
| 80 mph (128.75 km/h) | 87.04 mph (140.08 km/h) |
| 85 mph (136.79 km/h) | 92.48 mph (148.83 km/h) |
| 90 mph (144.84 km/h) | 97.92 mph (157.59 km/h) |
| 95 mph (152.89 km/h) | 103.36 mph (166.34 km/h) |
| 100 mph (160.93 km/h) | 108.8 mph (175.1 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
