Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/50-17 | 315/35-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.28 (616.8) | 25.68 (652.3) | 1.4 (35.5) 5.8% |
| Width inches (mm) | 7.28 (185) | 12.4 (315) | 5.12 (130) 70.3% |
| Circum. inches (mm) | 76.29 (1937.73) | 80.68 (2049.26) | 4.39 (111.53) 5.8% |
| Sidewall Height inches (mm) | 3.64 (92.5) | 4.34 (110.25) | 0.7 (17.75) 19.2% |
| Revolutions per mile (km) | 830.53 (516.07) | 785.33 (487.98) | -45.2 (-28.09) -5.4% |
315/35-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.15 mph (34.04 km/h) |
| 25 mph (40.23 km/h) | 26.44 mph (42.55 km/h) |
| 30 mph (48.28 km/h) | 31.73 mph (51.06 km/h) |
| 35 mph (56.33 km/h) | 37.01 mph (59.57 km/h) |
| 40 mph (64.37 km/h) | 42.3 mph (68.08 km/h) |
| 45 mph (72.42 km/h) | 47.59 mph (76.59 km/h) |
| 50 mph (80.47 km/h) | 52.88 mph (85.1 km/h) |
| 55 mph (88.51 km/h) | 58.17 mph (93.61 km/h) |
| 60 mph (96.56 km/h) | 63.45 mph (102.12 km/h) |
| 65 mph (104.61 km/h) | 68.74 mph (110.63 km/h) |
| 70 mph (112.65 km/h) | 74.03 mph (119.14 km/h) |
| 75 mph (120.7 km/h) | 79.32 mph (127.65 km/h) |
| 80 mph (128.75 km/h) | 84.6 mph (136.16 km/h) |
| 85 mph (136.79 km/h) | 89.89 mph (144.67 km/h) |
| 90 mph (144.84 km/h) | 95.18 mph (153.18 km/h) |
| 95 mph (152.89 km/h) | 100.47 mph (161.69 km/h) |
| 100 mph (160.93 km/h) | 105.76 mph (170.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2322 | 2500 | 2611 | 2730 | 2815 | 2908 | 3019 | 3172 | 3325 | 3495 | 3631 | 3878 | 4150 | 4363 | 4499 | 4575 | 4856 | 5247 | 6098 |
Better Fuel Economy Factory Ratios Increased Power
