Car comparison
A head-to-head comparison with real data from the Portuguese market: average price by registration year, fuel cost, depreciation and available supply.
Firefly
€23,999
Average price
Registered in 2026
1 listing for sale
Renault
€24,857
Average price
Registered 2020–2026
180 listings for sale
PartnerCar history: recorded mileage, accidents and damage, when available. 20% off with the code ENCONTRACARROS. Our link applies the discount for you.
A summary of the head-to-head with the latest market data.
Cheaper to buy
Average price of recent listings
More choice on the market
Listings available now, in the chosen years
With the average advertised consumption and current average prices in Portugal, for 15,000 km a year.
€1.28per 100 km
No consumption data for the Firefly Firefly, so it cannot be compared.
Estimates based on the average consumption in each model's listings and the latest national average fuel prices (DGEG data, the Portuguese energy authority). For electric cars we use a reference household tariff of €0.22/kWh. See the current fuel prices.
Average listing price of each model, month by month, over the last year.
Every market indicator for both models, side by side.
| Indicator | Firefly FireflyRegistered in 2026 | Renault Mégane E-TechRegistered 2020–2026 |
|---|---|---|
| Average price (recent listings) | €23,999 | €24,857 |
| Available listings | 1 | 180 |
| Sold listings | 87 | 813 |
| Sample analysed | 88 | 993 |
| Time to sell | No data | 1 to 2 months |
| Estimated annual depreciation | No data | ≈ 9.7% |
| Overall market share | 0.01% | 0.15% |
| Average power | 143 hp | 184 hp |
| Most common fuel | Electric | Electric |
| Average advertised consumption | No data | 5.8 kWh/100 km |
| Segment | No data | No data |
Where the listings for each model were over the last 12 months.
| District | Firefly Firefly | Renault Mégane E-Tech |
|---|---|---|
| Lisbon | 3 | 216 |
| Porto | 23 | 184 |
| Braga | 2 | 198 |
| Aveiro | 1 | 129 |
| Santarém | 0 | 60 |
| Setúbal | 1 | 42 |
| Leiria | 2 | 40 |
| Viana do Castelo | 0 | 36 |
| Faro | 0 | 20 |
| Viseu | 0 | 12 |
| Azores | 0 | 12 |
| Coimbra | 1 | 6 |
Tap a number to see those listings. We show the 12 districts with the most supply.
The most common questions about the Firefly Firefly vs the Renault Mégane E-Tech, answered with market data.
On average, the Firefly Firefly is cheaper: it costs about €23,999 (registered in 2026), while the Renault Mégane E-Tech costs €24,857 on average (registered between 2020 and 2026). The difference is around €858, based on used car listings published on the main Portuguese platforms over the last 12 months.
A used Firefly Firefly costs €23,999 on average in Portugal, based on listings registered in 2026. The price varies with the registration year, the mileage and the version. Right now we find 1 listing for this model in Portugal.
A used Renault Mégane E-Tech costs €24,857 on average in Portugal, based on listings registered between 2020 and 2026. The price varies with the registration year, the mileage and the version. Right now we find 180 listings for this model in Portugal.
Right now we find 1 Firefly Firefly listings and 180 Renault Mégane E-Tech listings on the main used car platforms in Portugal. These figures are updated daily.
On average, Firefly Firefly cars listed in Portugal have 143 hp and Renault Mégane E-Tech cars 184 hp, so the Renault Mégane E-Tech is, on average, the more powerful. Power varies a lot with the engine and the version.
€21,900
2022 · 120,445 km · Electric · 218 hp
€26,590
2023 · 30,698 km · Electric · 218 hp
€24,990
2022 · 92,966 km · Electric · 218 hp
€28,999
2023 · 63,219 km · Electric · 218 hp
€28,999
2023 · 63,219 km · Electric · 218 hp
€18,250
2022 · 51,000 km · Electric · 131 hp
€21,900
2022 · 120,445 km · Electric · 218 hp
€25,950
2023 · 35,000 km · Electric · 218 hp
€26,900
2022 · 54,100 km · Electric · 218 hp
€25,800
2023 · 111,350 km · Electric · 218 hp
€23,999
2023 · 85,876 km · Electric · 218 hp
€25,999
2023 · 34,000 km · Electric · 218 hp
Each of these models head to head with every rival on the Portuguese market.
Want to compare other models? Use the car comparison tool or see the comparisons for every model.
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