2005 Nissan Frontier Owner's Manual - Page 200

Suggested upshift speeds The following are suggested vehicle speeds for shifting into a higher gear. These suggestions relate to fuel economy and vehicle performance. Actual upshift speeds will vary according to road conditions, the weather and individual driving habits. ● For QR25DE two-wheel drive models: GEAR CHANGE 1st to 2nd 2nd to 3rd 3rd to 4th 4th to 5th MPH (km/h) 11 (17) 15 (24) 24 (38) 35 (56) ● 4-wheel drive model (4L position): GEAR CHANGE 1st to 2nd 2nd to 3rd 3rd to 4th 4th to 5th 5th to 6th* MPH (km/h) 8 (13) 12 (19) 20 (32) 22 (35) - Allowable maximum speed in each gear: 2-wheel drive models GEAR 1st 2nd 3rd 4th 5th MPH (km/h) 34 (55) 59 (95) 90 (146) - - *6 Speed available on VQ40DE models only. Suggested maximum speed in each gear Downshift to a lower gear if the engine is not running smoothly, or if you need to accelerate. Do not exceed the maximum suggested speed (shown below) in any gear. For level road driving, use the highest gear suggested for that speed. Always observe posted speed limits, and drive according to the road conditions, which will ensure safe operation. Do not over-rev the engine when shifting to a lower gear as it may cause engine damage or loss of vehicle control. 4-wheel drive models 2H/4H position GEAR 1st 2nd 3rd 4th 5th 6th MPH (km/h) 33 (54) 58 (93) 84 (135 ● For VQ40DE two-wheel drive models and four-wheel drive models (2H and 4H position): GEAR CHANGE 1st to 2nd 2nd to 3rd 3rd to 4th 4th to 5th 5th to 6th* MPH (km/h) 11 (17) 17 (27) 25 (40) 32 (51) 45 (72) 4L position GEAR 1st 2nd 3rd 4th 5th 6th MPH (km/h) 12 (20) 22 (35) 32 (51) 43 (70) 55 (89) - 5-16 Starting and driving