Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/35-15 | 305/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.51 (622.5) | 27.01 (686) | 2.5 (63.5) 10.2% |
| Width inches (mm) | 13.58 (345) | 12.01 (305) | -1.57 (-40) -11.6% |
| Circum. inches (mm) | 76.99 (1955.64) | 84.85 (2155.13) | 7.85 (199.49) 10.2% |
| Sidewall Height inches (mm) | 4.75 (120.75) | 6 (152.5) | 1.25 (31.75) 26.3% |
| Revolutions per mile (km) | 822.92 (511.34) | 746.75 (464.01) | -76.17 (-47.33) -9.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.04 mph (35.47 km/h) |
| 25 mph (40.23 km/h) | 27.55 mph (44.34 km/h) |
| 30 mph (48.28 km/h) | 33.06 mph (53.21 km/h) |
| 35 mph (56.33 km/h) | 38.57 mph (62.07 km/h) |
| 40 mph (64.37 km/h) | 44.08 mph (70.94 km/h) |
| 45 mph (72.42 km/h) | 49.59 mph (79.81 km/h) |
| 50 mph (80.47 km/h) | 55.1 mph (88.68 km/h) |
| 55 mph (88.51 km/h) | 60.61 mph (97.54 km/h) |
| 60 mph (96.56 km/h) | 66.12 mph (106.41 km/h) |
| 65 mph (104.61 km/h) | 71.63 mph (115.28 km/h) |
| 70 mph (112.65 km/h) | 77.14 mph (124.15 km/h) |
| 75 mph (120.7 km/h) | 82.65 mph (133.01 km/h) |
| 80 mph (128.75 km/h) | 88.16 mph (141.88 km/h) |
| 85 mph (136.79 km/h) | 93.67 mph (150.75 km/h) |
| 90 mph (144.84 km/h) | 99.18 mph (159.62 km/h) |
| 95 mph (152.89 km/h) | 104.69 mph (168.48 km/h) |
| 100 mph (160.93 km/h) | 110.2 mph (177.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1900 | 2208 | 2377 | 2483 | 2596 | 2677 | 2766 | 2871 | 3016 | 3162 | 3324 | 3453 | 3687 | 3946 | 4148 | 4278 | 4351 | 4617 | 4989 | 5798 |
Better Fuel Economy Factory Ratios Increased Power
