Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/35-15 | 345/45-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.51 (622.5) | 27.22 (691.5) | 2.72 (69) 11.1% |
| Width inches (mm) | 13.58 (345) | 13.58 (345) | 0 (0) 0% |
| Circum. inches (mm) | 76.99 (1955.64) | 85.53 (2172.41) | 8.53 (216.77) 11.1% |
| Sidewall Height inches (mm) | 4.75 (120.75) | 6.11 (155.25) | 1.36 (34.5) 28.6% |
| Revolutions per mile (km) | 822.92 (511.34) | 740.81 (460.32) | -82.11 (-51.02) -10% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.22 mph (35.75 km/h) |
| 25 mph (40.23 km/h) | 27.77 mph (44.69 km/h) |
| 30 mph (48.28 km/h) | 33.33 mph (53.63 km/h) |
| 35 mph (56.33 km/h) | 38.88 mph (62.57 km/h) |
| 40 mph (64.37 km/h) | 44.43 mph (71.51 km/h) |
| 45 mph (72.42 km/h) | 49.99 mph (80.45 km/h) |
| 50 mph (80.47 km/h) | 55.54 mph (89.39 km/h) |
| 55 mph (88.51 km/h) | 61.1 mph (98.33 km/h) |
| 60 mph (96.56 km/h) | 66.65 mph (107.26 km/h) |
| 65 mph (104.61 km/h) | 72.2 mph (116.2 km/h) |
| 70 mph (112.65 km/h) | 77.76 mph (125.14 km/h) |
| 75 mph (120.7 km/h) | 83.31 mph (134.08 km/h) |
| 80 mph (128.75 km/h) | 88.87 mph (143.02 km/h) |
| 85 mph (136.79 km/h) | 94.42 mph (151.96 km/h) |
| 90 mph (144.84 km/h) | 99.98 mph (160.9 km/h) |
| 95 mph (152.89 km/h) | 105.53 mph (169.83 km/h) |
| 100 mph (160.93 km/h) | 111.08 mph (178.77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1885 | 2190 | 2359 | 2463 | 2575 | 2655 | 2744 | 2848 | 2992 | 3137 | 3297 | 3425 | 3658 | 3915 | 4115 | 4244 | 4316 | 4581 | 4950 | 5752 |
Better Fuel Economy Factory Ratios Increased Power
