Route from Portsmouth to Ipswich
The distance between Portsmouth and Ipswich is 159 miles. Travel time is 2 hours and 45 minutes.

Driving directions from Portsmouth to Ipswich
What's the expense of traveling from Portsmouth to Ipswich by car?
Embarking on the journey from Portsmouth to Ipswich, one might ponder the cost of such a venture. Indeed, the expenditure amounts to 27.6 pounds when fueled by petrol. In this calculation, we delve into the intricate details, where the price of petrol stands at 143 pence per liter, and the car's thirst for fuel measures 37.5 miles per gallon.
For those opting for carpooling, the financial burden lightens, with a cost of 13.8 pounds for each of two passengers, 9.2 pounds for three passengers, and merely 6.9 pounds for four passengers.
Delving deeper into the mechanics of the calculation, we ascertain the amount of fuel required for the voyage. Covering a distance of approximately 159.01 miles, the car craves around 19.3 liters of petrol. This value is derived from the division of the distance by the car's fuel consumption rate, converted into liters for precision.
With the quantity of fuel determined, we proceed to compute the total expenditure. By multiplying the fuel volume (19.3 liters) by the price per liter (143 pence), we seamlessly arrive at the grand total of 27.6 pounds. Thus, the journey from Portsmouth to Ipswich is marked by a fuel cost of 27.6 pounds.
Diesel cost from Portsmouth to Ipswich.
The trip with diesel fuel costs 17.4 £ (151p/lt, 62.7 mpg).
For 2 passengers: 8.7 £ (17.4/2) /p.
For 3 passengers: 5.8 £ (17.4/3) /p.
For 4 passengers: 4.35 £ (17.4/4) /p.
When comparing diesel fuel and petrol (gasoline) fuel in terms of octane rating, there's a significant distinction:
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Petrol:
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Petrol typically has an octane rating ranging from 87 to 95 in most markets.
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Octane rating measures the fuel's resistance to premature detonation or knocking in spark-ignition engines.
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Higher octane ratings are crucial for high-performance petrol engines with higher compression ratios or turbocharging, as they help prevent engine knocking and allow for more efficient combustion.
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Diesel Fuel:
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Diesel fuel doesn't have an octane rating in the same sense as petrol because it's not used in spark-ignition engines.
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Diesel engines rely on compression ignition rather than spark ignition, meaning the fuel-air mixture ignites spontaneously due to high pressure and temperature.
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Therefore, diesel fuel is designed to ignite under the high compression conditions found in diesel engines, and its properties are optimized for this type of combustion rather than for octane rating.
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In essence, while petrol relies on octane rating to ensure proper combustion in spark-ignition engines, diesel fuel is formulated to ignite under the high-pressure conditions of compression ignition in diesel engines, rendering octane rating irrelevant for diesel fuel.
Alternative routes from Portsmouth to Ipswich
The second route from Portsmouth to the Ipswich is 162.43 miles and takes 2 hours and 53 minutes.
The third route from Portsmouth to the Ipswich is 150.87 miles and takes 3 hours and 15 minutes.
Which is the cheapest route from Portsmouth to Ipswich by car?
The cheapest route from Portsmouth to Ipswich is the third suggested route (151mi, 3h 15min) and costs 26.2 £ (petrol fuel cost, 143p/lt, 37.5mpg).
The second cheapest route from Portsmouth to Ipswich is the first suggested route (159mi, 2h 45min) and costs 27.6 £.
The most expensive route from Portsmouth to Ipswich is the second suggested route (162mi, 2h 53min) and costs 28.2 £.
For greater safety, the driver should choose the route that passes through the highway (median barrier) and not through smaller roads (curves in the road, bad road conditions, no median barrier).
How to get from Portsmouth to Ipswich?
There are three suggested routes. The fastest route is 159mi (distance from Portsmouth to Ipswich) and its duration is 2h 45min. The other route is 162mi, and its duration is 2h 53min. The slowest route is 151mi, and its duration is 3h 15min.
RouteCalculator provides you with the information to prepare your trip from Portsmouth to Ipswich by car or motorbike. It offers you alternative road routes that you can follow to go from Portsmouth to Ipswich. It provides driving directions from Portsmouth to Ipswich, i.e. where to turn and when, distance of the Portsmouth - Ipswich route, travel time, display of the route on the map, fuel cost (petrol, diesel) and toll (if exist) cost.
In case you share the journey (carpooling) from Portsmouth to Ipswich with other people or friends, RouteCalculator provides the cost of the journey and the amount that each passenger will have to pay.
Where is Portsmouth located?
Portsmouth is located in Hampshire county and in England. It is situated at an altitude of 4 meters above sea level. Portsmouth has coordinates 50.8197675o,-1.0879769o. RouteCalculator provides a map of Portsmouth from which you can plan your trips to other UK cities.
What is the location of Ipswich?
Ipswich is located in Suffolk county and in England. It is situated at an altitude of 6 meters above sea level. Ipswich has coordinates 52.0567360o,1.1482200o. RouteCalculator provides a map of Ipswich from which you can plan your trips to other UK cities.
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