Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 165/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 25.39 (645) | 0.32 (8.06) 1.3% |
| Width inches (mm) | 7.52 (191) | 6.5 (165) | -1.02 (-26) -13.6% |
| Circum. inches (mm) | 78.78 (2001.01) | 79.78 (2026.33) | 1 (25.32) 1.3% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 5.2 (132) | 0.16 (4.03) 3.1% |
| Revolutions per mile (km) | 804.27 (499.75) | 794.22 (493.5) | -10.05 (-6.24) -1.2% |
165/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.25 mph (32.59 km/h) |
| 25 mph (40.23 km/h) | 25.32 mph (40.74 km/h) |
| 30 mph (48.28 km/h) | 30.38 mph (48.89 km/h) |
| 35 mph (56.33 km/h) | 35.44 mph (57.04 km/h) |
| 40 mph (64.37 km/h) | 40.51 mph (65.19 km/h) |
| 45 mph (72.42 km/h) | 45.57 mph (73.34 km/h) |
| 50 mph (80.47 km/h) | 50.63 mph (81.49 km/h) |
| 55 mph (88.51 km/h) | 55.7 mph (89.63 km/h) |
| 60 mph (96.56 km/h) | 60.76 mph (97.78 km/h) |
| 65 mph (104.61 km/h) | 65.82 mph (105.93 km/h) |
| 70 mph (112.65 km/h) | 70.89 mph (114.08 km/h) |
| 75 mph (120.7 km/h) | 75.95 mph (122.23 km/h) |
| 80 mph (128.75 km/h) | 81.01 mph (130.38 km/h) |
| 85 mph (136.79 km/h) | 86.08 mph (138.53 km/h) |
| 90 mph (144.84 km/h) | 91.14 mph (146.67 km/h) |
| 95 mph (152.89 km/h) | 96.2 mph (154.82 km/h) |
| 100 mph (160.93 km/h) | 101.27 mph (162.97 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 2348 | 2529 | 2640 | 2761 | 2847 | 2941 | 3053 | 3208 | 3363 | 3535 | 3672 | 3922 | 4197 | 4412 | 4550 | 4627 | 4911 | 5307 | 6167 |
Better Fuel Economy Factory Ratios Increased Power
