Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/65-17 | 195/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.52 (724.3) | 27.28 (693) | -1.23 (-31.3) -4.3% |
| Width inches (mm) | 8.86 (225) | 7.68 (195) | -1.18 (-30) -13.3% |
| Circum. inches (mm) | 89.58 (2275.46) | 85.71 (2177.12) | -3.87 (-98.33) -4.3% |
| Sidewall Height inches (mm) | 5.76 (146.25) | 6.14 (156) | 0.38 (9.75) 6.7% |
| Revolutions per mile (km) | 707.26 (439.47) | 739.21 (459.32) | 31.94 (19.85) 4.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.14 mph (30.8 km/h) |
| 25 mph (40.23 km/h) | 23.92 mph (38.5 km/h) |
| 30 mph (48.28 km/h) | 28.7 mph (46.19 km/h) |
| 35 mph (56.33 km/h) | 33.49 mph (53.89 km/h) |
| 40 mph (64.37 km/h) | 38.27 mph (61.59 km/h) |
| 45 mph (72.42 km/h) | 43.06 mph (69.29 km/h) |
| 50 mph (80.47 km/h) | 47.84 mph (76.99 km/h) |
| 55 mph (88.51 km/h) | 52.62 mph (84.69 km/h) |
| 60 mph (96.56 km/h) | 57.41 mph (92.39 km/h) |
| 65 mph (104.61 km/h) | 62.19 mph (100.09 km/h) |
| 70 mph (112.65 km/h) | 66.98 mph (107.79 km/h) |
| 75 mph (120.7 km/h) | 71.76 mph (115.49 km/h) |
| 80 mph (128.75 km/h) | 76.54 mph (123.18 km/h) |
| 85 mph (136.79 km/h) | 81.33 mph (130.88 km/h) |
| 90 mph (144.84 km/h) | 86.11 mph (138.58 km/h) |
| 95 mph (152.89 km/h) | 90.89 mph (146.28 km/h) |
| 100 mph (160.93 km/h) | 95.68 mph (153.98 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
