Smart Roadster 61
Engine Tuning Gwent
Smart Roadster 61 in Gwent. Standard and remapped figures for this exact engine.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Remap stats
Smart Roadster 61: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+22 bhp · +36%- Standard61 bhp
- Remapped83 bhp
Torque
+45 Nm · +47%- Standard95 Nm
- Remapped140 Nm
Tuning figures are indicative estimates, not guaranteed results. Actual results depend on the condition of the vehicle.
Prices from £130
Fully dyno tested | 30 day money back guarantee | Lifetime software warranty
Standard, the Smart Roadster 61 makes 61 bhp and 95 Nm. With Remap Experts in Gwent it moves to 83 bhp and 140 Nm, which adds 22 bhp (36%) and 45 Nm (47%).
Figures are indicative stage 1 estimates for a healthy petrol Smart Roadster; results vary with the condition of the vehicle.
Smart Roadster 61: remap at a glance
- Fuel: Petrol
- Standard power: 61 bhp, remapped: 83 bhp (+22 bhp, +36%)
- Standard torque: 95 Nm, remapped: 140 Nm (+45 Nm, +47%)
- Service: stage 1 ECU remap, fully dyno tested
How engine tuning works on a petrol Smart Roadster
Petrol engines are remapped by refining fuelling, ignition timing and, on turbocharged engines, boost control. Done carefully this releases performance the manufacturer left in reserve, giving sharper throttle response and a stronger top end.
Smart Roadster 61 against other Roadster engines
Of the 2 petrol Roadster engines in our data, this one comes 1st for power gain, which is 1 bhp above the Roadster petrol average of 21 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 22 bhp and 45 Nm sits below that benchmark.
Remapping your Smart Roadster in Gwent
Whether you live in Gwent or nearby, the Gwent Remap Experts site is your local route to a quote. We regularly work with drivers in Crumlin, Rassau, Manmoel, Ebbw Vale and Brynmawr and nearby areas of Wales.
You get a fully dyno tested remap, a 30 day money back guarantee and a lifetime software warranty with every job. Get your quote today on 0800 779 7864.
If you are closer to Cardiff, Bristol and Midwales, those neighbouring Remap Experts sites can help too.

Get a quote for your Smart Roadster 61
Send your registration and we will confirm the exact remap, the price and the next available slot.
Included
What we can do for your Smart Roadster
Stage 1 ECU remap
Add power and torque and improve driveability. Software only, tailored to your engine.
ECU repair and testing
Is your engine control unit playing up? We can arrange testing and repair, and source replacement ECUs.
DPF and EGR fault repair
Persistent DPF or EGR errors diagnosed and resolved in accordance with all current road-legal standards.
Engine carbon cleaning
Fault finding and carbon cleaning for the inside of your engine, typically completed in a couple of hours.
Same model
Other Roadster engines
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
Everything you need to know
Plain-English guides to how remapping works, what it does and what to check first.
- 6 min read
What is ECU remapping?
The engine control unit, what a remap changes, and who it suits.
Read guide - 5 min read
The benefits of ECU remapping
More torque, better driveability and the potential for better economy.
Read guide - 6 min read
How ECU remapping works, step by step
From reading the original software to the dyno test.
Read guide