Power Club

The TDI Tuning Blog

November Car of the Month - 2021 Land Rover Defender

Land Rover Defender Power Gains

2021 Land Rover Defender With A CRTD4 Twin Channel Diesel Tuning Box:

With our CRTD4 Twin Channel Diesel Tuning Box:
Power increased from 296 to 373 BHP
Torque increased from 650 to 754 NM 

Here it is, the New Land Rover Defender. It’s got a lot to live up to, the old defender has become a bit of an icon in Britain. Have you driven the old Defender? Although it is a sublime off-road vehicle, it's not the nicest car to drive on the road. But a car like this can't be judged by how it drives on the road. Because it's designed with some serious off-road adventures in mind. The owners of this one wanted more power to take along with them on adventures.

Land Rover Defender Bonnet

Land Rover Defender Facts and Figures

The engine in this Land Rover Defender 2021 Mhev Automatic is a 2.0 Si4 petrol engine. It produces 296bhp and 479 lb/ft. So, off the bat, it isn't the fastest model in the line-up. This means there is room for improvement. It has more to give. Before we get on to what more this car can give, it's probably worth discussing what it has to start with. It has a lot going for it. For starters, it can tow a ridiculous 3.5 tonnes. To put that into perspective, the Volvo XC60 can tow 2.4, and the Land Rover Discovery can tow 2.2. So, if you are having a game of top-trumps, the new Defender wins that round. It also comes complete with a brand-new chassis designed by Land Rover. That chassis is 10x stiffer than the previous Land Rover Defender. But, with the clever air suspension, it isn't unpleasant to drive at all. The power seems like a lot when you see it written down, but bear in mind all the Defender models weigh well over 2 tonnes. This means it could use a boost in power.

Land Rover Defender Tuning Box

The Land Rover Defender: Why pick a TDI-Tuning Box?

As you are reading this on the TDI-Tuning website, you might think we would say the best way to tune the Land Rover Defender is with a TDI-Tuning Box. You would be right. The TDI-Chip-Tuning Box on this Defender is the ideal performance modification. The ECU in most modern vehicles will limit how much torque and power is being utilised in each gear. As an example, this defender has 296bhp and 479 lb/ft to work with as standard. In first gear, if you slam your foot to the ground, it won’t use all that power. The ECU will limit the amount of power delivered to protect the drivetrain and other engine components. With a TDI-Tuning Box, more power is available throughout the rev range. This means smooth power delivery. It also means you have more power to play with. How you choose to utilise that additional power is up to you. Get into higher gears sooner and benefit from improved fuel efficiency. Then again, you can use the power for fun too. The increased torque figure when using a TDI-Tuning Box will also improve off-road driving. As the extra torque will help getting out of muddy ruts and climbing steep inclines. It's all safe, useable power. The ECU is still in control of all the important decisions, like how much power can be used at a certain point. So, you can rest assured the extra boost in power is going to benefit your Land Rover Defender.

Land Rover Defender TDI-Tuning Box

Why use a TDI-Tuning Box instead of a conventional ECU Remap?

In this case, the answer to that question is a very easy one. A TDI-Tuning Box is traceless once removed from the vehicle. Unlike an ECU remap. For a vehicle as new as this Land Rover Discovery, that is a very important factor. As it means you can keep your warranty intact. Let's not mix our words here too, Land Rovers are notoriously... unreliable. Most notably, the Range Rover and Range Rover Sport. The Land Rover Defender is one of the most reliable Land Rover models, but, it still suffers from a whole host of electronic and mechanical issues. This makes the TDI-Tuning Box perfect for this 2021 Defender X D Mhev Auto. The simple to use and simple to remove TDI-Tuning Box is the way to go!