Land Rover Remapping – Models, Engines and Typical Gains

A Stage 1 remap (software only, no hardware changes) on a Land Rover or Range Rover diesel typically adds 20 to 55 bhp and 50 to 100 Nm of torque, based on the figures in our engine data.

Engines that left the factory detuned gain the most, and higher-rated versions of the same engine gain the least. The 5.0-litre supercharged petrol V8s add under 10% power, and the SVR versions under 5%.

Why owners remap Land Rovers

Land Rovers are heavy, so low-down pulling power matters more than top-end figures. Owners remap them for stronger torque low in the rev range, sharper throttle response, and less strain when towing horseboxes, plant trailers and caravans.

Nobody buys a Defender to overtake things, but the TD5 and TD4 versions on the site still gain 28 to 38 bhp.

The 3.0-litre SDV6 gains between 24 and 56 bhp and 50 to 75 Nm, depending on which output version you have. The 306hp versions sit at the bottom of that range. The 2.0-litre four-cylinder diesels split in a similar way. The 150 and 180hp versions gain 30 to 40 bhp and 60 to 90 Nm, while the 240hp versions gain 20 bhp and 50 Nm.

Fuel economy is the least certain part of any remap. Some owners see an improvement on steady long runs, but using the extra torque cancels it out.

Commonly remapped Land Rover models and engines

Each model links to its page, with engine pages for the versions owners most often ask about.

• Defender: the 2.5 TD5 122HP (2000-2007), and the TD4 122HP in 2007-2011 and 2011-2016 form.
• Discovery: the 2.5 TD5 137HP (1998-2004), the Discovery 3 (L319) 2.7 TDV6 190HP (2004-2009), and the Discovery 4 (also L319) 3.0 SDV6 256HP and 3.0 TDV6 245HP (2009-2016). The Discovery 5 (L462) is covered by the 2.0 SD4 240HP, 2.0 TD4 180HP and 3.0 SD6 306HP (all 2017).
• Discovery Sport (L550): the 2.0 TD4 150HP, 2.0 TD4 180HP, 2.0 SD4 240HP and 2.2 SD4 190HP diesels (all 2014-2019), plus the 2.0 SI4 240HP petrol.
• Freelander (Freelander 2 is L359): the 2.2 TD4 150HP and 2.2 TD4 160HP (2007-2010), the 2.2 SD4 190HP (2010), and the earlier 2.0 TD4 112HP (2003-2007).
• Range Rover and Range Rover Sport: the 2.7 TDV6 190HP and 3.0 TDV6 245HP (2002-2012), the 3.0 SDV6 306HP (2012-2018), and the 4.4 TDV8 313HP and 4.4 SDV8 339HP diesel V8s (2012-2018). On the petrol side, there’s the 5.0 Supercharged 510HP and 550HP (2012-2018), and the 5.0 V8 Supercharged SVR 565HP (2018).
• Range Rover Evoque (L538): the 2.0 TD4 150HP and 2.0 TD4 180HP (2015-2017), the D180 (2018), and the 2.0 Si4 240HP (2015-2017) petrol.
• Range Rover Velar (L560): the D240 and D300 diesels, and the P250 and P300 petrols (all 2017).

What to check before you remap a Land Rover

• Gearbox: Many Land Rover automatics are ZF units, and extra torque puts more load through them. Ask your tuner whether they offer a gearbox calibration alongside the engine file, especially if you tow.
• Engine condition: Ask for a health check before anything is flashed. On the TDV6 and SDV6 diesels, that means oil service history and bottom-end condition. On early 2.0-litre Ingenium diesels, it means timing chain condition and oil dilution.
• Towing and DPF: A remap gives you more torque for towing. It does not change your vehicle’s legal towing limit, which is set by Land Rover. Diesels used mostly for short trips will clog their DPF whichever map is on the car.