Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 225/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 23.86 (606) | -1.22 (-30.94) -4.9% |
| Width inches (mm) | 7.52 (191) | 8.86 (225) | 1.34 (34) 17.8% |
| Circum. inches (mm) | 78.78 (2001.01) | 74.95 (1903.81) | -3.83 (-97.2) -4.9% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 4.43 (112.5) | -0.61 (-15.47) -12.1% |
| Revolutions per mile (km) | 804.27 (499.75) | 845.33 (525.26) | 41.06 (25.52) 5.1% |
225/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.03 mph (30.62 km/h) |
| 25 mph (40.23 km/h) | 23.79 mph (38.28 km/h) |
| 30 mph (48.28 km/h) | 28.54 mph (45.94 km/h) |
| 35 mph (56.33 km/h) | 33.3 mph (53.59 km/h) |
| 40 mph (64.37 km/h) | 38.06 mph (61.25 km/h) |
| 45 mph (72.42 km/h) | 42.81 mph (68.9 km/h) |
| 50 mph (80.47 km/h) | 47.57 mph (76.56 km/h) |
| 55 mph (88.51 km/h) | 52.33 mph (84.21 km/h) |
| 60 mph (96.56 km/h) | 57.09 mph (91.87 km/h) |
| 65 mph (104.61 km/h) | 61.84 mph (99.53 km/h) |
| 70 mph (112.65 km/h) | 66.6 mph (107.18 km/h) |
| 75 mph (120.7 km/h) | 71.36 mph (114.84 km/h) |
| 80 mph (128.75 km/h) | 76.11 mph (122.49 km/h) |
| 85 mph (136.79 km/h) | 80.87 mph (130.15 km/h) |
| 90 mph (144.84 km/h) | 85.63 mph (137.81 km/h) |
| 95 mph (152.89 km/h) | 90.39 mph (145.46 km/h) |
| 100 mph (160.93 km/h) | 95.14 mph (153.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2151 | 2499 | 2691 | 2810 | 2938 | 3030 | 3131 | 3250 | 3414 | 3579 | 3762 | 3909 | 4174 | 4467 | 4696 | 4842 | 4925 | 5227 | 5648 | 6563 |
Better Fuel Economy Factory Ratios Increased Power
