Remapping the Citroen DS4 (2015), 1.6 THP 165HP.
The Citroen DS4 (2015)'s 1.6 THP 165HP sees a torque-led Stage 1 remap: pulling power climbs 25% to 300Nm, well ahead of the 18.2% rise in BHP from 165 to 195.
Turbocharged petrol engines have plenty of scope for a Stage 1 remap, and this impressive improvement is best felt through sharper throttle response across the rev range. These figures apply to 2015 models.
Typical remap gains for the DS4 1.6 THP 165HP
Standard vs Remapped
Standard vs Remapped
- Power: 165bhp standard, 195bhp after a Stage 1 remap.
- Torque: 240Nm standard, 300Nm after a Stage 1 remap.
- This is a torque-led gain: pulling power increases by more than BHP, which is felt mainly as a stronger mid-range.
- This is a turbocharged engine, which typically means further headroom exists beyond Stage 1 if hardware is upgraded.
- As a petrol engine, the practical benefit is mainly felt as sharper throttle response and a broader power band.
- These figures apply specifically to 2015 models.
- These are Stage 1 figures only, achieved without any hardware changes.
Questions about remapping your DS4 1.6 THP 165HP
How much power and torque does a Stage 1 remap add to the Citroen DS4 (2015) 1.6 THP 165HP?
A Stage 1 remap typically takes the Citroen DS4 (2015) 1.6 THP 165HP from 165bhp to around 195bhp, and torque from 240Nm to around 300Nm. This is a impressive gain achieved entirely through software, with no hardware changes required.
Is the Citroen DS4 (2015) 1.6 THP 165HP a good candidate for remapping?
Generally, yes: as a turbocharged engine it has the headroom to respond well to a quality remap, and the impressive gain shown here reflects that. The main caveats are condition, not the engine itself, a healthy service history, no outstanding fault codes, and (for diesels) a clear DPF and EGR are what actually determine whether this particular car is ready for a remap.
Will remapping affect the warranty on my Citroen DS4 (2015)?
A manufacturer can only void the parts of a warranty that the remap directly affects, not the entire vehicle, under the Consumer Rights Act and EU Block Exemption principles. In practice, on a Citroen DS4 (2015) 1.6 THP 165HP this usually means engine and transmission-related claims are the ones worth discussing with a reputable tuner before booking.
What should I check before booking a remap for my Citroen DS4 (2015) 1.6 THP 165HP?
Before booking, confirm the tuner uses a custom or bespoke file rather than a generic off-the-shelf map, ask whether they do a pre-remap health check, and check service history and mileage on your specific Citroen DS4 (2015).
What's the difference between a Stage 1 and Stage 2 remap for the 1.6 THP 165HP?
Stage 1 is software-only and is what the figures on this page reflect. Stage 2 builds on that, but on a turbocharged engine like this, Stage 2 usually adds further gains but requires supporting hardware such as an upgraded intake or exhaust, so it is a separate conversation with a tuner rather than an automatic next step.
Will remapping my Citroen DS4 (2015) affect my insurance?
Yes, always, a remap is a modification and must be declared to your insurer regardless of size. Given this impressive gain on the 1.6 THP 165HP, expect a likely premium increase, and it is worth getting a quote from a specialist modified-vehicle insurer before booking the remap itself.