Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-15 | 215/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.39 (645) | 27.7 (703.5) | 2.3 (58.5) 9.1% |
| Width inches (mm) | 6.5 (165) | 8.46 (215) | 1.97 (50) 30.3% |
| Circum. inches (mm) | 79.78 (2026.33) | 87.01 (2210.11) | 7.24 (183.78) 9.1% |
| Sidewall Height inches (mm) | 5.2 (132) | 6.35 (161.25) | 1.15 (29.25) 22.2% |
| Revolutions per mile (km) | 794.22 (493.5) | 728.17 (452.47) | -66.04 (-41.04) -8.3% |
215/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.81 mph (35.11 km/h) |
| 25 mph (40.23 km/h) | 27.27 mph (43.88 km/h) |
| 30 mph (48.28 km/h) | 32.72 mph (52.66 km/h) |
| 35 mph (56.33 km/h) | 38.17 mph (61.44 km/h) |
| 40 mph (64.37 km/h) | 43.63 mph (70.21 km/h) |
| 45 mph (72.42 km/h) | 49.08 mph (78.99 km/h) |
| 50 mph (80.47 km/h) | 54.53 mph (87.77 km/h) |
| 55 mph (88.51 km/h) | 59.99 mph (96.54 km/h) |
| 60 mph (96.56 km/h) | 65.44 mph (105.32 km/h) |
| 65 mph (104.61 km/h) | 70.9 mph (114.1 km/h) |
| 70 mph (112.65 km/h) | 76.35 mph (122.87 km/h) |
| 75 mph (120.7 km/h) | 81.8 mph (131.65 km/h) |
| 80 mph (128.75 km/h) | 87.26 mph (140.42 km/h) |
| 85 mph (136.79 km/h) | 92.71 mph (149.2 km/h) |
| 90 mph (144.84 km/h) | 98.16 mph (157.98 km/h) |
| 95 mph (152.89 km/h) | 103.62 mph (166.75 km/h) |
| 100 mph (160.93 km/h) | 109.07 mph (175.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1853 | 2153 | 2318 | 2421 | 2531 | 2610 | 2697 | 2799 | 2941 | 3083 | 3241 | 3367 | 3596 | 3848 | 4045 | 4171 | 4242 | 4503 | 4865 | 5654 |
Better Fuel Economy Factory Ratios Increased Power
