Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/40-15 | 345/35-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.98 (609) | 24.51 (622.5) | 0.53 (13.5) 2.2% |
| Width inches (mm) | 11.22 (285) | 13.58 (345) | 2.36 (60) 21.1% |
| Circum. inches (mm) | 75.32 (1913.23) | 76.99 (1955.64) | 1.67 (42.41) 2.2% |
| Sidewall Height inches (mm) | 4.49 (114) | 4.75 (120.75) | 0.27 (6.75) 5.9% |
| Revolutions per mile (km) | 841.17 (522.68) | 822.92 (511.34) | -18.24 (-11.34) -2.2% |
345/35-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.44 mph (32.9 km/h) |
| 25 mph (40.23 km/h) | 25.55 mph (41.13 km/h) |
| 30 mph (48.28 km/h) | 30.67 mph (49.35 km/h) |
| 35 mph (56.33 km/h) | 35.78 mph (57.58 km/h) |
| 40 mph (64.37 km/h) | 40.89 mph (65.8 km/h) |
| 45 mph (72.42 km/h) | 46 mph (74.03 km/h) |
| 50 mph (80.47 km/h) | 51.11 mph (82.25 km/h) |
| 55 mph (88.51 km/h) | 56.22 mph (90.48 km/h) |
| 60 mph (96.56 km/h) | 61.33 mph (98.7 km/h) |
| 65 mph (104.61 km/h) | 66.44 mph (106.93 km/h) |
| 70 mph (112.65 km/h) | 71.55 mph (115.15 km/h) |
| 75 mph (120.7 km/h) | 76.66 mph (123.38 km/h) |
| 80 mph (128.75 km/h) | 81.77 mph (131.6 km/h) |
| 85 mph (136.79 km/h) | 86.88 mph (139.83 km/h) |
| 90 mph (144.84 km/h) | 92 mph (148.05 km/h) |
| 95 mph (152.89 km/h) | 97.11 mph (156.28 km/h) |
| 100 mph (160.93 km/h) | 102.22 mph (164.5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2094 | 2433 | 2620 | 2736 | 2861 | 2950 | 3048 | 3164 | 3324 | 3484 | 3663 | 3805 | 4064 | 4349 | 4572 | 4714 | 4794 | 5088 | 5498 | 6389 |
Better Fuel Economy Factory Ratios Increased Power
