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Used test: Jaguar I-Pace vs Tesla Model 3 costs

You can save between £7000 and £21,000 on these desirable electric cars if you buy them at a year old, but which is the better option?...

Jaguar I-Pace driving

What will they cost?

Costs, equipment, reliability, safety and security

New, the I-Pace was the more expensive car by £8000, but a year-old example is actually cheaper by £6000. Such is the demand for the popular Model 3 that it’s lost only around £7000 in depreciation in its first year, while the I-Pace has lost an eye-watering £21,000. This makes the I-Pace look like a bargain, but bear in mind that it's likely to continue to depreciate at a faster rate over the years of your ownership, so you'd potentially be a lot worse off when you sell it.

Tax and insurance costs for these two will be similar, but the Model 3 will cost £1800 to service over three years, as opposed to the I-Pace’s £998.

Tesla Model 3 driving

Both cars offered similar levels of standard equipment. It’s to Jaguar’s credit that the cheapest I-Pace got so much, including keyless entry, dual-zone climate control, a heated windscreen and a heated steering wheel.

The Model 3 features adaptive cruise control, meaning it automatically maintains a safe distance to the vehicle in front and has the ability to steer itself on the motorway. Indeed, Tesla’s Autopilot system is the best of its kind. Find a car equipped with the optional Full Self-Driving Capability and, in theory, it can pilot you on motorway journeys, including overtaking slower cars. It also allows you to slowly move the car remotely via your phone with a feature called Summon, plus a recent upgrade gives it the ability to recognise and respond to traffic lights, thereby enabling semi-autonomous urban driving. Note, though, that fully self-driving capabilities are currently illegal on UK roads.

In contrast, the I-Pace’s standard driver assistance technology is limited to the self-parking function, lane-keeping assistance and conventional cruise control. Adaptive cruise control and steering assistance were both optional.

Jaguar I-Pace charging menu

Both cars received the full five-star rating from the safety experts at Euro NCAP, but the Model 3 outscored the I-Pace in every area. In addition, it gets something called Sentry mode, which uses the car’s external cameras to film any break-in attempts or collisions when it’s parked and then saves them onto a USB stick.

Neither manufacturer has a great reputation for reliability. In our latest survey, Jaguar came 21st out of 31 brands, while Tesla finished in 29th place. That said, the Model 3 finished top of the electric car’s class this year, with a reliability rating of 99.4%. The I-Pace finished fifth out of eight cars, with a score of 97%.

Their warranties should give some confidence to prospective used buyers, though. The Model 3 is covered for four years or 50,000 miles from new, while the I-Pace gets only three years but no mileage limit. Jaguar covers the battery and motor separately for eight years or 100,000 miles, while Tesla does the same for eight years or 120,000 miles. Both pledge that the batteries will have retained a minimum 70% of their original capacity by the end of that period.

Tesla Model 3 charging port

The I-Pace and Model 3 both charge using CCS plugs. This means that, unlike other Teslas, the Model 3 works with all public chargers, rather than just Tesla’s network of 120kW Superchargers. The Model 3 can accept a charging rate of up to 200kW (a software update increasing this to 250kW is planned), so these can get it from 0-80% in half an hour.

The I-Pace, in contrast, can take no more than 100kW. While some providers are installing 150kW and even 350kW charging stations, the typical rate is presently 50kW, at which the I-Pace takes an hour and a half to replenish from 0-80%.

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