Smart #5: Which Version Should You Buy?
The Smart #5 is an electric SUV 5-doors offered in one generation, in production from September 2024. The choice comes down to four versions: two RWD models named AT, producing 340 hp or 363 hp, and two AWD models named AT 4WD, producing 588 hp or 646 hp.
The Smart #5 is an electric SUV 5-doors offered in one generation, in production from September 2024. The choice comes down to four versions: two RWD models named AT, producing 340 hp or 363 hp, and two AWD models named AT 4WD, producing 588 hp or 646 hp. The 340 hp AT is the lightest and least powerful option; the 363 hp AT improves acceleration while retaining RWD; and the 646 hp AT 4WD provides the strongest measured performance. The 588 hp AT 4WD sits between them in output, but several of its performance figures are not measured.
Smart #5 generations and versions
The Smart #5 has one generation, introduced in September 2024 and still in production according to the supplied data. Its only listed body style is SUV 5-doors, and the generation contains four versions. There are no separate restylings in the data.
Because the two RWD versions share the exact name AT, they must be distinguished by power: AT (340 hp) and AT (363 hp). The AWD pair follows the same pattern: AT 4WD (588 hp) and AT 4WD (646 hp).
Smart #5 specs: motor, power and drivetrain
Every Smart #5 version uses an Electro power source, an Automatic gearbox with 1 gear, and independent spring suspension at both ends. Engine displacement, cylinder count, cylinder layout and boost are not measured for any version, so power-per-litre cannot be calculated from the available data.
| Version | Power | Torque | Displacement | Fuel | Cylinders | Layout | Boost | Gearbox | Drive |
|---|---|---|---|---|---|---|---|---|---|
| AT (340 hp) | 340 hp / 250 kW | 373 Nm | not measured | Electro | not measured | not measured | not measured | Automatic, 1 gear | RWD |
| AT (363 hp) | 363 hp / 266 kW | 373 Nm | not measured | Electro | not measured | not measured | not measured | Automatic, 1 gear | RWD |
| AT 4WD (588 hp) | 588 hp / 432 kW | not measured | not measured | Electro | not measured | not measured | not measured | Automatic, 1 gear | AWD |
| AT 4WD (646 hp) | 646 hp / 475 kW | 710 Nm | not measured | Electro | not measured | not measured | not measured | Automatic, 1 gear | AWD |
The AT (363 hp) adds 23 hp and 16 kW over the AT (340 hp), but both have the same measured torque of 373 Nm. Moving from the 363 hp RWD version to the 646 hp AWD version adds 283 hp, 209 kW and 337 Nm. The AT 4WD (646 hp) also produces 58 hp and 43 kW more than the AT 4WD (588 hp); their torque cannot be compared because torque for the 588 hp version is not measured.
Smart #5 performance, top speed and economy
| Version | 0–100 km/h | Top speed | City consumption | Highway consumption | Combined consumption | CO₂ |
|---|---|---|---|---|---|---|
| AT (340 hp) | 6.9 seconds | 200 km/h | not measured | not measured | not measured | 0 |
| AT (363 hp) | 6.5 seconds | 200 km/h | not measured | not measured | not measured | 0 |
| AT 4WD (588 hp) | not measured | 200 km/h | not measured | not measured | not measured | not measured |
| AT 4WD (646 hp) | 3.8 seconds | 210 km/h | not measured | not measured | not measured | 0 |
Among the RWD versions, the AT (363 hp) reaches 100 km/h 0.4 seconds sooner than the AT (340 hp), while both have a 200 km/h top speed. That makes the 363 hp version the clearer performance choice within the RWD pair: its additional output improves the measured acceleration without changing the listed maximum speed.
The AT 4WD (646 hp) is the quickest version with complete acceleration data. Its 3.8-second result is 2.7 seconds quicker than the AT (363 hp) and 3.1 seconds quicker than the AT (340 hp). Its 210 km/h top speed is 10 km/h higher than every other version.
Acceleration for the AT 4WD (588 hp) is not measured, so its 0–100 km/h performance should not be inferred from horsepower alone. Its maximum speed is 200 km/h.
City, highway and combined consumption are not measured for all four versions. Consequently, the supplied figures cannot establish which Smart #5 is most economical or estimate its driving range. A fuel-tank figure is also not measured, which is consistent with the listed Electro power source but remains an absent catalogue value rather than a substitute for battery data.
Smart #5 dimensions and weight
Exterior dimensions, boot dimensions and trunk dimensions are not measured in the supplied data. Ground clearance and wheel sizes are also not measured for every version. The available comparison is therefore based on kerb and gross weights.
| Version | Kerb weight | Gross weight | Payload difference | Ground clearance | Tank | Wheel sizes |
|---|---|---|---|---|---|---|
| AT (340 hp) | 2,275 kg | 2,700 kg | 425 kg | not measured | not measured | not measured |
| AT (363 hp) | 2,335 kg | 2,760 kg | 425 kg | not measured | not measured | not measured |
| AT 4WD (588 hp) | 2,450 kg | not measured | not measured | not measured | not measured | not measured |
| AT 4WD (646 hp) | 2,453 kg | 2,880 kg | 427 kg | not measured | not measured | not measured |
The AT (340 hp) is the lightest Smart #5. The AT (363 hp) weighs 60 kg more, the AT 4WD (588 hp) weighs 175 kg more, and the AT 4WD (646 hp) weighs 178 kg more than the 340 hp version.
Despite having 58 hp more, the AT 4WD (646 hp) is only 3 kg heavier than the AT 4WD (588 hp). Gross weight for the 588 hp version is not measured, so no equivalent gross-weight or payload-difference comparison is possible for it.
Calculated from the supplied kerb weight and horsepower, the AT (340 hp) carries about 6.69 kg per hp, while the AT (363 hp) carries about 6.43 kg per hp. The AT 4WD (588 hp) lowers that figure to about 4.17 kg per hp, and the AT 4WD (646 hp) has the strongest ratio at about 3.80 kg per hp. These figures are arithmetic comparisons, not manufacturer measurements.
Brakes and suspension
All four versions use Independent, spring front and rear suspension. Each has Ventilated disc front brakes and Disc rear brakes. The supplied specifications therefore provide no suspension or brake-type distinction that would favor one version over another.
Which Smart #5 version should you buy?
Choose the AT (340 hp) if the priorities are RWD, the lowest kerb weight and adequate measured performance. It has 340 hp, 373 Nm, a 6.9-second 0–100 km/h time and a 200 km/h top speed. At 2,275 kg, it is 60 kg lighter than the other RWD version and at least 175 kg lighter than either AWD version. Economy is not measured, however, so lower weight cannot be presented as proof of lower energy consumption.
Choose the AT (363 hp) for the best numerical compromise among the versions with complete RWD performance data. It keeps the same RWD layout, 373 Nm and 200 km/h maximum as the 340 hp model, but adds 23 hp and cuts 0.4 seconds from the 0–100 km/h time. Its cost is not supplied, so it is impossible to say whether those gains justify a particular price premium.
Choose the AT 4WD (588 hp) if AWD and 588 hp are essential but the 646 hp specification is unnecessary. Its kerb weight of 2,450 kg is only 3 kg below that of the 646 hp model. Because its torque, acceleration, gross weight and CO₂ figure are not measured, it is the hardest version to assess conclusively from this dataset.
Choose the AT 4WD (646 hp) when outright measured performance matters most. It combines AWD, 646 hp and 710 Nm with a 3.8-second 0–100 km/h time and a 210 km/h top speed. It also has the best calculated weight-to-power result, approximately 3.80 kg per hp. Against the 588 hp AWD version, it supplies 58 additional horsepower for only 3 kg of extra kerb weight.
On the numbers available, the AT (363 hp) is the balanced RWD choice, while the AT 4WD (646 hp) is the performance choice. A value-for-money verdict, a Smart #5 price comparison, or advice about cars for sale cannot be given because no pricing or sales data is supplied. Reliability and problems are likewise not measured, so neither should be used to rank the versions.