Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/35-15 | 225/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.51 (622.5) | 23.86 (606) | -0.65 (-16.5) -2.7% |
| Width inches (mm) | 13.58 (345) | 8.86 (225) | -4.72 (-120) -34.8% |
| Circum. inches (mm) | 76.99 (1955.64) | 74.95 (1903.81) | -2.04 (-51.84) -2.7% |
| Sidewall Height inches (mm) | 4.75 (120.75) | 4.43 (112.5) | -0.32 (-8.25) -6.8% |
| Revolutions per mile (km) | 822.92 (511.34) | 845.33 (525.26) | 22.41 (13.92) 2.7% |
225/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.47 mph (31.33 km/h) |
| 25 mph (40.23 km/h) | 24.34 mph (39.17 km/h) |
| 30 mph (48.28 km/h) | 29.2 mph (47 km/h) |
| 35 mph (56.33 km/h) | 34.07 mph (54.83 km/h) |
| 40 mph (64.37 km/h) | 38.94 mph (62.67 km/h) |
| 45 mph (72.42 km/h) | 43.81 mph (70.5 km/h) |
| 50 mph (80.47 km/h) | 48.67 mph (78.33 km/h) |
| 55 mph (88.51 km/h) | 53.54 mph (86.17 km/h) |
| 60 mph (96.56 km/h) | 58.41 mph (94 km/h) |
| 65 mph (104.61 km/h) | 63.28 mph (101.83 km/h) |
| 70 mph (112.65 km/h) | 68.14 mph (109.67 km/h) |
| 75 mph (120.7 km/h) | 73.01 mph (117.5 km/h) |
| 80 mph (128.75 km/h) | 77.88 mph (125.34 km/h) |
| 85 mph (136.79 km/h) | 82.75 mph (133.17 km/h) |
| 90 mph (144.84 km/h) | 87.61 mph (141 km/h) |
| 95 mph (152.89 km/h) | 92.48 mph (148.84 km/h) |
| 100 mph (160.93 km/h) | 97.35 mph (156.67 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
