Car comparison
Firefly Firefly vs Smart #5
A head-to-head comparison with real data from the Portuguese market: average price by registration year, fuel cost, depreciation and available supply.
Firefly
Firefly
€23,999
Average price
Registered in 2026
1 listing for sale
Smart
#5
€52,375
Average price
Registered 2025–2026
10 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.
It's a tie between the Firefly Firefly and the Smart #5
A summary of the head-to-head with the latest market data.
- Firefly Firefly: €23,999
Cheaper to buy
Average price of recent listings
Smart #5: €52,375 - Firefly Firefly: 1 listings
More choice on the market
Listings available now, in the chosen years
Smart #5: 10 listings
Price trend
Average listing price of each model, month by month, over the last year.
Average price over the last 12 months
Side-by-side specs
Every market indicator for both models, side by side.
| Indicator | Firefly FireflyRegistered in 2026 | Smart #5Registered 2025–2026 |
|---|---|---|
| Average price (recent listings) | €23,999 | €52,375 |
| Available listings | 1 | 10 |
| Sold listings | 87 | 19 |
| Sample analysed | 88 | 29 |
| Time to sell | No data | No data |
| Estimated annual depreciation | No data | No data |
| Overall market share | 0.01% | 0.00% |
| Average power | 143 hp | 464 hp |
| Most common fuel | Electric | Electric |
| Average advertised consumption | No data | No data |
| Segment | No data | No data |
Supply by district
Where the listings for each model were over the last 12 months.
| District | Firefly Firefly | Smart #5 |
|---|---|---|
| Porto | 23 | 10 |
| Lisbon | 3 | 4 |
| Braga | 2 | 2 |
| Faro | 0 | 2 |
| Leiria | 2 | 0 |
| Coimbra | 1 | 1 |
| Aveiro | 1 | 0 |
| Setúbal | 1 | 0 |
| Viana do Castelo | 0 | 1 |
| Beja | 0 | 0 |
| Viseu | 0 | 0 |
| Guarda | 0 | 0 |
Tap a number to see those listings. We show the 12 districts with the most supply.
Frequently asked questions
The most common questions about the Firefly Firefly vs the Smart #5, answered with market data.
Which is cheaper: the Firefly Firefly or the Smart #5?
On average, the Firefly Firefly is cheaper: it costs about €23,999 (registered in 2026), while the Smart #5 costs €52,375 on average (registered between 2025 and 2026). The difference is around €28,376, based on used car listings published on the main Portuguese platforms over the last 12 months.
How much does a used Firefly Firefly cost in Portugal?
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.
How much does a used Smart #5 cost in Portugal?
A used Smart #5 costs €52,375 on average in Portugal, based on listings registered between 2025 and 2026. The price varies with the registration year, the mileage and the version. Right now we find 10 listings for this model in Portugal.
How many Firefly Firefly and Smart #5 listings are there in Portugal?
Right now we find 1 Firefly Firefly listings and 10 Smart #5 listings on the main used car platforms in Portugal. These figures are updated daily.
Which is more powerful: the Firefly Firefly or the Smart #5?
On average, Firefly Firefly cars listed in Portugal have 143 hp and Smart #5 cars 464 hp, so the Smart #5 is, on average, the more powerful. Power varies a lot with the engine and the version.
Firefly Firefly listings
Smart #5 listings
Smart #5 #5 76 kWh Pro
€42,500
Not rated2026 · 500 km · Electric · 340 hp
Smart #5 #5 100 kWh Pro+
€47,979
Not rated2026 · 1,000 km · Electric · 363 hp
Smart #5 #5 100 kWh Premium
€52,000
Not rated2026 · 3,000 km · Electric · 363 hp
Smart #5 100 kWh Brabus AWD
€58,900
Not rated2025 · 19,500 km · Electric · 646 hp
Smart #5 100 kWh Premium
€53,000
Not rated2026 · 7,070 km · Electric · 363 hp
Smart #5 100 kWh Premium
€53,000
Not rated2026 · 7,070 km · Electric · 363 hp
Smart #5 100 kWh Brabus AWD
€56,900
Not rated2025 · 11,058 km · Electric · 646 hp
Smart #5 100 kWh Brabus AWD
€56,900
Not rated2025 · 11,058 km · Electric · 646 hp
Smart #5 100 kWh Pro+
€45,987
Not rated2025 · 9,100 km · Electric · 363 hp
- -10%
Smart #5 #5 100 kWh Premium
€52,028
Not ratedNew · 0 km · Electric · 363 hp
Smart #5 100 kWh Brabus AWD
€60,000
Not rated2025 · 13,000 km · Electric · 646 hp
All comparisons
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.
