Used smart 3: Buyer's Guide
The smart 3 is a confident and capable entry into the electric SUV-coupe class, blending head-turning style with a genuinely fun-to-drive experience. It delivers a truly premium feel, wrapping you in a beautiful, light-filled cabin that feels both sporty and spacious. This driver-focused character is backed by an impressive WLTP range of up to 283 miles and the full reassurance of a 5-star Euro NCAP safety rating.
Used smart 3 Popular Trims
Pro: Introduces you to the 3's world of tech, with the huge 12.8-inch screen and panoramic roof as standard, powered by the durable 49kWh LFP battery.
Pro+: The best all-rounder. It offers the same great tech but unlocks longer journeys by upgrading to the 66kWh battery for a 270-mile range.
Premium: The ultimate luxury 3. It adds a 13-speaker Beats sound system, a head-up display, and the convenience of faster 22kW AC charging.
Brabus: For those who want their style with a side of adrenaline. The Brabus adds aggressive styling, sporty bucket seats, and a thrilling 422hp all-wheel-drive system.
Used smart 3 Popular Drivetrains
Running Costs:
Excellent efficiency, minimal servicing needs, and low VED make it an intelligent choice.
Running Costs:
The trade-off for this immense performance is a slightly reduced range of 258 miles and higher insurance costs.
Used smart 3 Practicality
The smart 3's flowing lines hide a surprisingly spacious and versatile interior.
Passenger Space: The panoramic roof and generous rear legroom create a wonderfully open and comfortable space for friends and family.
Boot Space: Offers a generous 370 litres of boot space, which is highly competitive and suitable for family holidays, plus a 15-litre frunk for cables.
Dynamic Practicality: The long 2,785mm wheelbase and low centre of gravity are key to its stable handling, while a 1,600kg towing capacity adds a layer of versatile performance.
Used smart 3 Key Features
Key Features:
Huge 12.8-inch central touchscreen
Fixed panoramic 'halo' roof
Wireless Apple CarPlay and Android Auto
Adjustable regenerative braking modes, including 's-Pedal'
Desirable Options:
13-speaker Beats sound system
10-inch Head-Up Display
CyberSparks+ Matrix LED headlights
315kW All-Wheel Drive system (Brabus)
Used smart 3 Reliability Rating
The smart 3 is built on a robust, purpose-built electric platform shared with other respected brands, while over-the-air updates keep its technology fresh.
What to Check on a Test Drive:
Regen Modes: Experiment with the different regenerative braking settings to see how they affect the car's balance and one-pedal driving feel.
Drive Mode Settings: Switch between Comfort and Sport modes to feel the difference in throttle response and steering weight.
Tyre Wear: Check for even tyre wear, particularly on the powerful Brabus model, to ensure the alignment is correct.
Used smart 3 Safety Rating
The 5-star Euro NCAP rating from 2023 confirms the 3's excellent structural integrity and crash performance. The driver assistance systems are well-calibrated and do not interfere with the engaging driving experience, acting as a reassuring co-pilot.
Who is the Used smart 3 Best For?
Enthusiasts who want an electric car that is genuinely fun to drive.
Style-conscious individuals who want a car that looks as good as it feels inside.
Pragmatic buyers looking for a long-range EV with a strong warranty and low running costs.
Key Alternatives to Consider:
Cupra Born: Another electric car that prioritises a sporty and engaging driving experience.
Tesla Model Y: The benchmark for EV technology, performance, and charging infrastructure.
Frequently Asked Questions about the Used smart 3
What is the main benefit of 22kW AC charging on the Smart 3?
The 22kW AC onboard charger, available on Premium and Brabus models, significantly reduces home and destination charging times.
Faster Charging: Allows a 10-80% charge in approximately 3 hours from a compatible 22kW public or home charger.
Increased Convenience: Maximises charging speed at the many 22kW public chargers found in places like supermarkets and car parks.
Future-Proofing: Ensures your vehicle is ready for the growing network of faster AC charging infrastructure.
Does the Smart 3's battery warranty cover degradation over time?
Yes, the Smart 3's battery warranty provides excellent long-term protection, including cover for degradation.
Warranty Terms: The high-voltage battery is covered for 8 years or 150,000 km, whichever comes first.
Performance Guarantee: The warranty ensures the battery will maintain a specified minimum percentage of its original capacity during the warranty period.
Transferable Cover: This comprehensive warranty is fully transferable to subsequent owners, protecting your investment.
Are the running costs for a used Smart 3 competitive?
Yes, the Smart 3 offers very competitive running costs for a premium electric SUV coupe.
VED (Road Tax): As a zero-emission vehicle, it benefits from the lowest road tax bands. From April 2025, the standard rate will be £195 per year.
Servicing: With fewer moving parts than a petrol or diesel car, routine servicing costs are typically lower.
Charging: Home charging on an off-peak electricity tariff offers significant savings compared to refuelling a traditional car.
What are the key differences between the Smart 3 battery types?
The Smart 3 offers two main battery types, allowing you to choose the best balance of range and cost for your needs.
LFP Battery: The 49kWh Lithium Iron Phosphate battery in the Pro model provides a WLTP range of 202 miles and is known for its excellent durability and long lifespan.
NMC Battery: The 66kWh Nickel Manganese Cobalt battery in Pro+, Premium, and Brabus models offers a longer WLTP range of up to 283 miles and faster DC charging performance.
Recommendation: Choose the Pro model for city driving and shorter commutes, or opt for a 66kWh model for frequent long journeys.
Does the panoramic roof on the Smart 3 come with a sun blind?
The panoramic glass roof is a standard feature that enhances the cabin's airy feel, and it is designed with advanced UV protection.
Fixed Glass Panel: The roof is a fixed panel of tinted, heat-insulating glass.
UV and Heat Protection: The glass is treated to block the vast majority of UV radiation and reduce solar heat gain, keeping the cabin comfortable.
No Blind: It is designed to not require a retractable blind, contributing to the minimalist interior design and maximising headroom.
How can you customize the driving modes in the Smart 3?
You can easily tailor the Smart 3's driving characteristics through the large central touchscreen.
Drive Modes: Select from Eco, Comfort, and Sport modes to adjust the throttle response and steering weight.
Custom Settings: Create your own individual driving mode by mixing and matching your preferred settings.
Regenerative Braking: Independently adjust the level of regenerative braking, including the powerful 's-Pedal' one-pedal driving mode.
Is the 's-Pedal' one-pedal driving mode standard on the Smart 3?
Yes, the 's-Pedal' one-pedal driving feature is a standard function on all versions of the Smart 3.
How it Works: This is the strongest regenerative braking setting. It allows you to accelerate and brake using only the accelerator pedal in most city traffic situations.
Activation: Select the 's-Pedal' or 'Strong' regeneration setting within the vehicle's driving menu on the touchscreen.
Benefits: It can make driving in stop-start traffic more relaxing and helps to maximise energy recuperation, improving overall efficiency.
Does the Smart 3 infotainment system receive over-the-air updates?
Yes, the Smart 3 is equipped to receive regular over-the-air (OTA) software updates.
Continuous Improvement: These updates allow Smart to deliver new features, performance enhancements, and system refinements directly to the vehicle.
Convenient Installation: The car will notify you when an update is available, and you can choose a convenient time to install it.
Future-Proofed Tech: OTA updates ensure the advanced 12.8-inch infotainment system remains current and performs optimally.
Is the head-up display included with every Smart 3 trim level?
The 10-inch head-up display (HUD) is a premium feature included on specific Smart 3 models.
Availability: The HUD is fitted as standard to the Premium and Brabus versions of the Smart 3.
Key Information: It projects important information, such as speed and navigation instructions, directly into the driver's line of sight.
Enhanced Safety: By keeping your eyes on the road, the HUD provides a safer and more convenient driving experience.
