Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/70-15 | 200/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.47 (647) | 27.6 (701) | 2.13 (54) 8.3% |
| Width inches (mm) | 7.48 (190) | 7.87 (200) | 0.39 (10) 5.3% |
| Circum. inches (mm) | 80.02 (2032.61) | 86.7 (2202.26) | 6.68 (169.65) 8.3% |
| Sidewall Height inches (mm) | 5.24 (133) | 6.3 (160) | 1.06 (27) 20.3% |
| Revolutions per mile (km) | 791.76 (491.98) | 730.77 (454.08) | -60.99 (-37.9) -7.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.67 mph (34.87 km/h) |
| 25 mph (40.23 km/h) | 27.09 mph (43.59 km/h) |
| 30 mph (48.28 km/h) | 32.5 mph (52.31 km/h) |
| 35 mph (56.33 km/h) | 37.92 mph (61.03 km/h) |
| 40 mph (64.37 km/h) | 43.34 mph (69.75 km/h) |
| 45 mph (72.42 km/h) | 48.76 mph (78.46 km/h) |
| 50 mph (80.47 km/h) | 54.17 mph (87.18 km/h) |
| 55 mph (88.51 km/h) | 59.59 mph (95.9 km/h) |
| 60 mph (96.56 km/h) | 65.01 mph (104.62 km/h) |
| 65 mph (104.61 km/h) | 70.43 mph (113.34 km/h) |
| 70 mph (112.65 km/h) | 75.84 mph (122.06 km/h) |
| 75 mph (120.7 km/h) | 81.26 mph (130.77 km/h) |
| 80 mph (128.75 km/h) | 86.68 mph (139.49 km/h) |
| 85 mph (136.79 km/h) | 92.09 mph (148.21 km/h) |
| 90 mph (144.84 km/h) | 97.51 mph (156.93 km/h) |
| 95 mph (152.89 km/h) | 102.93 mph (165.65 km/h) |
| 100 mph (160.93 km/h) | 108.35 mph (174.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1860 | 2160 | 2327 | 2429 | 2540 | 2619 | 2706 | 2809 | 2952 | 3094 | 3252 | 3379 | 3609 | 3862 | 4060 | 4186 | 4257 | 4519 | 4883 | 5674 |
Better Fuel Economy Factory Ratios Increased Power
