DS 3 vs Smart #3

Updated October 2026 · Real-world figures, not WLTP

DS 3

DS 3 E-Tense

£35,495 · 186 mi

Wins 9 of 14

Smart #3

#3 Pro (MY24)

£33,960 · 165 mi

Wins 5 of 14

Our verdict

The DS 3 and Smart #3 are both electric SUVs in the small car class. The DS 3 starts at £35,495 in the UK and the Smart #3 at £33,960, comparing the cheapest version of each.

The 3 goes further, with about 186 miles of real-world range against 165 for the #3. On top of that, it charges faster on a rapid charger (79 kW against 70 kW on average, 10–80%) and uses less energy (3.7 mi/kWh against 3.5 mi/kWh).

The #3 is £1,535 cheaper to buy new (£33,960 against £35,495). On top of that, it has the bigger boot (385 litres against 350) and is quicker, doing 0–62 mph in 5.8 s against 9.0 s.

Choose the DS 3 if you want the longest range and quicker charging stops and the Smart #3 if you want the lower price and more boot space.

Written from the figures below, comparing the cheapest UK version of each. Other versions can differ: open them in Compare to swap versions.

DS 3Smart #3

Price

Price new: £35,495on sale now; £33,960 (best)on sale now
Used from (estimated): £11,500 (best)2022 car; £16,1002024 car
Price per mile of range: £190 (best); £206

Range and efficiency

Real-world range: 186 mi (best)300 km, estimate; 165 mi265 km, estimate
Range today, used (estimated): about 172 mi (best)2022 car, est.; about 158 mi2024 car, est.
Efficiency: 3.7 mi/kWh (best)169 Wh/km, estimate; 3.5 mi/kWh177 Wh/km, estimate
Range with one 15-min stop: 200 mi (best)322 km; 185 mi297 km

Charging

Rapid charging: 79 kW (best)10–80% average; 70 kW10–80% average
Home (AC) charging: 11 kW (best); 7 kW
Charging plug: Type 2 CCS; Type 2 CCS
Vehicle-to-load (V2L): No; Yes (best)
Vehicle-to-home (V2H): No; No
Vehicle-to-grid (V2G): No; No

Battery

Usable battery: 50.8 kWh (best); 47 kWh
Battery chemistry: NCM (nickel manganese cobalt); LFP (lithium iron phosphate)
Heat pump: Yes; Yes

Body and performance

Body style: SUV; SUV
Size class: B · Small car; B · Small car
Seats: 5; 5
Drive: Front-wheel drive; Rear-wheel drive
0–62 mph: 9.0 s0–100 km/h; 5.8 s (best)0–100 km/h
Weight: 1,625 kg; 1,855 kg

Size

Length: 4.12 m13 ft 6 in; 4.40 m14 ft 5 in
Width (without mirrors): 1.80 m5 ft 11 in; 1.84 m6 ft 1 in
Width with mirrors: 1.99 m6 ft 6 in; 2.05 m6 ft 9 in
Height: 1.53 m5 ft; 1.56 m5 ft 1 in
Wheelbase: 2.56 m8 ft 5 in; 2.79 m9 ft 2 in

Practicality and safety

Boot space: 350 litres; 385 litres (best)
Towbar available: No; No
Towing (braked): Not approved; Not approved
Max payload: 458 kgpeople and luggage; –
Euro NCAP rating: –not tested yet; 5 stars

Warranty (UK)

Car warranty: –not confirmed; 3 yearsunlimited miles
Battery warranty: 8 years100,000 miles; 8 years (best)125,000 miles, 70% capacity
Passes to next owner: Yes; Yes

Availability

Status: On sale new; On sale new
Model years: 2022 on; 2024 on

Green marks the better figure in each row. Range is a real-world estimate, not WLTP. Used prices are estimates. Warranty terms are UK terms from each maker’s website.