
Jeep Avenger running costs and reliability

Miles per pound (mpp) ⓘ
Petrol engines | 7.1 - 8.4 mpp |
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Fuel economy ⓘ
Petrol engines | 48.7 - 57.6 mpg |
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- Reasonable fuel economy
- Good value to buy with cash
- Average warranty package
What are the running costs?
The petrol-powered Avenger is quite affordable. You can get a top-spec Avenger Summit with a non-electrically assisted petrol engine for less than £30,000 – and the e-Hybrid model only costs an extra £1,000 more than the pure-petrol version.
They’re both pretty efficient, too. We managed to get almost 40mpg from the petrol and 45mpg from the front-wheel drive e-Hybrid. We didn’t get any worthwhile fuel economy figures from the 4xe because we spent most of our time with the car crawling around on rocky trails in Italy. We’ll update you once we’ve driven the car in the UK.

The front-wheel drive e-Hybrid really pays off in town, with over 50mpg possible with careful driving. That’s not bad, although full hybrids like the Toyota Yaris Cross and Lexus LBX are capable of some truly staggering urban economy. Over 80mpg is possible.
If you’re looking one as a company car, the Avenger EV is obviously the cheapest option. The petrol sits in the 30% tax bracket, while the hybrid powertrain drops to 27%.
Servicing and warranty
Every Jeep is delivered with a three-year/60,000-mile warranty as standard, although you can choose to extend that for an additional fee. This is the average warranty for the class – but it looks incredibly stingy alongside the seven-year package offered by the MG ZS or the 10 years of warranty coverage available on the Toyota Yaris Cross.
Servicing plans are available to help you spread the cost of maintenance. The benefit of the system is that the price of upkeep is locked in for the duration of your plan, which helps to protect you from inflation.
Reliability
- Widely used platform
- Hybrid system is new tech
- EV likely to be more reliable
The Avenger is based on Stellantis’ CMP architecture, which has been around since 2019. It’s used to prop up almost every small car from the group, including the Peugeot 2008 and the Vauxhall Mokka – and the components have proved to be reliable thus far.
However, Stellantis has only relatively recently introduced its mild hybrid powertrain, while the technology underneath the 4xe is completely new. These are more complex than the regular petrols and feature a new gearbox. Time will tell how sturdy they are.
Ongoing running costs
Road tax | £195 |
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Insurance group | 22 - 28 |
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