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MG4 EV vs Smart #1 UK: value champion vs design premium

The verdict

Buy the MG4. The Extended Range covers 338 miles for £32,995 — 78 miles more than a Smart #1 Pro+ for £3,965 less — and carries a seven-year warranty against Smart's three, with a bigger boot despite being the smaller-looking car. Smart's case is its crash score and the Mercedes-drawn cabin, from a maker that replied to none of its Chinese complaints in 2026 where MG replied to all of them.

Buy the MG4 EV if

You run one car for a family on a budget, keep it past its fifth birthday, and the boot has to take a pushchair and the weekly shop.

Buy the Smart #1 if

You do short town journeys, you have three-phase power at home for the 22 kW charger, and the car goes back at the end of a three-year lease.

DimensionMG4 EVSmart #1
UK price rangeManufacturer figuremg.co.ukuk.smart.comMG4 EV£23,495–£33,995 across SE, Long Range, Extended Range and XPowerBetter hereSmart #1£29,960–£44,960 across Pure, Pro, Pro+, Premium and BRABUS
WLTP rangeManufacturer figuremg.co.ukuk.smart.comMG4 EV338 miles at £32,995Better hereSmart #1260 miles at £36,960
DC fast chargingManufacturer figuremg.co.ukuk.smart.comMG4 EV150 kW maximum (Gen 1), lower on Gen 2 Urban variantsSmart #1130 kW (LFP) / 150 kW (NMC) maximum, 10–80% in ~30 minutes
AC chargingManufacturer figuremg.co.ukuk.smart.comMG4 EV11 kW maximumSmart #122 kW on-board charger (Pro+, Premium, BRABUS)Better here
vehicle warrantyManufacturer figuremg.co.ukuk.smart.comMG4 EV7 years / 80,000 milesBetter hereSmart #13 years / unlimited mileage
boot capacityManufacturer figuremg.co.ukuk.smart.comMG4 EV363L (Gen 1), 471L (Gen 2 Urban)Better hereSmart #1313–323L (seats up), 976–986L (folded)
车质网 manufacturer reply rate (China)12365auto.comMG4 EV100% in 2026Better hereSmart #10% in 2026 — structural red flag

Price and value proposition

The MG4 EV and Smart #1 occupy different ends of the value spectrum in the UK small EV market. The MG4 starts from £23,495 (Urban Gen 2) and tops out at £33,995 for the XPower AWD performance model. The Smart #1 starts significantly higher at £29,960 for the base Pure trim, rising to £44,960 for the BRABUS AWD. The MG4's pricing reflects SAIC's scale and state-backed positioning; the Smart #1's premium reflects Mercedes design input, Geely's SEA platform, and the brand's positioning as a 'premium compact'. But there's more to value than headline price: the MG4 offers a 7-year vehicle warranty vs Smart's 3-year, and the MG4 Extended Range delivers 338 mi WLTP for £32,995 — £3,965 less than the Smart #1 Pro+ (260 mi). For value-focused buyers, the arithmetic is clear.

AttributeMG4 EV Extended RangeSmart #1 Pro+
UK price rangeMG4 EV Extended Range£23,495–£33,995 across SE/Long Range/Extended Range/XPower trimsOfficial figuremg.co.ukSmart #1 Pro+£29,960–£44,960 across Pure/Pro/Pro+/Premium/BRABUS trimsOfficial figureuk.smart.com
WLTP rangeMG4 EV Extended Range338 miles at £32,995Official figuremg.co.ukSmart #1 Pro+260 miles at £36,960Official figureuk.smart.com
vehicle warrantyMG4 EV Extended Range7 years / 80,000 milesOfficial figuremg.co.ukSmart #1 Pro+3 years / unlimited mileageOfficial figureuk.smart.com
Image: Alexander Migl, CC BY-SA 4.0, via Wikimedia Commons
Image: Alexander Migl, CC BY-SA 4.0, via Wikimedia Commons
Image: Alexander-93, CC BY-SA 4.0, via Wikimedia Commons
Image: Alexander-93, CC BY-SA 4.0, via Wikimedia Commons

Range and charging capabilities

Range is where the MG4's value proposition becomes starkly clear. The MG4 Extended Range offers 338 mi WLTP for £32,995; the Smart #1 Premium tops out at 273 mi for £42,960. But the Smart #1's base model — the Pure at £29,960 — delivers just 193 mi WLTP from a 49 kWh LFP battery. That's simply inadequate for UK motorway use in 2026; real-world highway cold-weather tests show ~120 mi. The Smart #1 Pro+ (£36,960, 260 mi, 66 kWh NMC) is the minimum viable Smart; anything below that is a compromise you'll regret. The MG4 Urban Gen 2 (201 mi, £23,495) is also short-ranged, but at £23k it's a commuter tool, not a £30k 'premium' car. DC charging is comparable: 150 kW max on MG4 Gen 1 and Smart #1 NMC trims, with 10–80% taking ~30 min. Smart's 22 kW AC on NMC trims is a genuine advantage for destination charging; the MG4 tops out at 11 kW AC.

AttributeMG4 EVSmart #1
maximum WLTP rangeMG4 EV338 miles (Extended Range, 74 kWh NMC)Official figuremg.co.ukSmart #1273 miles (Premium, 66 kWh NMC)Official figureuk.smart.com
minimum WLTP rangeMG4 EV201 miles (Urban Gen 2, 43 kWh LFP)Official figuremg.co.ukSmart #1193 miles (Pure, 49 kWh LFP)Official figureuk.smart.com
DC fast chargingMG4 EV150 kW maximum (Gen 1), lower on Gen 2 Urban variantsOfficial figuremg.co.ukSmart #1130 kW (LFP) / 150 kW (NMC) maximum, 10–80% in ~30 minutesOfficial figureuk.smart.com

Also noted

  • Smart #1 AC charging (NMC trims)22 kW on-board charger (Pro+/Premium/BRABUS)Official figureuk.smart.com

Safety and Euro NCAP performance

Both cars achieved 5-star Euro NCAP ratings, but the Smart #1's result is exceptional: 96% adult occupant protection — one of the highest scores of 2022. The MG4 scored 83% adult (Gen 1, 2022) and 87% (Gen 2 Urban, 2025) under stricter protocols — showing genuine safety progress generation-to-generation. The Smart #1 has no retest drama or caveats; it's a clean, strong result. If safety is your absolute top priority — particularly for family use — the Smart #1's 96% adult score is a differentiator. But the MG4's 5-star ratings for both generations are also solid; the Gen 2's 2025 retest under tougher protocols is real evidence of safety engineering focus, not just passing the test once.

China-side evidence

What Chinese owners report — the data UK sites don't translate

This is where owner data adds genuine insight. MG4 owners on Autohome rate it 4.49/5.0 from 1,514 reviews — higher than BYD Atto 3. Top praise: acceleration (435 mentions), rear seat space (356), ride stability (295). Complaints: tyre noise (210), wind noise (191), interior materials (185). The 车质网 score is 2.3/5.0 — but critically, 1,219 of the 1,420 complaints are about dealer/service issues, not the car itself. Only 201 are product quality complaints. Smart #1 Autohome score is lower at 4.07/5.0, with 112 faults/100 cars (mid-pack). The headline China complaint is short range on the base LFP car — exactly the same issue UK buyers should avoid. But the red flag is Smart's 0% manufacturer reply rate on 车质网 in 2026. MG's reply rate is 100%. This isn't just a China problem — it signals a brand culture around customer support. For UK buyers, the Smart #1's 0% reply rate is a structural warning sign that merits testing dealer responsiveness before purchase.

AttributeMG4 EVSmart #1
China owner ratingMG4 EV4.49 / 5.0 from 1,514 reviewsk.m.autohome.com.cnSmart #14.07 / 5.0k.m.autohome.com.cn
车质网 manufacturer reply rate (China)MG4 EV100% in 202612365auto.comSmart #10% in 2026 — structural red flag12365auto.com
China complaint recordMG4 EV1,219 service/dealer complaints vs 201 product quality complaints12365auto.comSmart #130 service complaints vs 6 quality complaints in 202612365auto.com

Where included, owner reports and complaints are individual accounts, not representative surveys; recalls apply only to the vehicles and markets stated in each notice. Check the source, market and date of each claim.

Platform, parent company, and survival risk

The MG4 and Smart #1 have very different ownership structures. The MG4 is a pure SAIC Motor product — Shanghai state-owned, Fortune 500 #93, 7th largest automaker globally. Survival risk is very low. The Smart #1 is a 50/50 joint venture between Geely and Mercedes-Benz — Geely provides the SEA platform and manufacturing (Xi'an, China), Mercedes provides design and brand. Survival risk is low-medium; both parents are financially solid, but JVs have strategic risk if either partner re-prioritises. Smart's Chinese sales volumes are modest; the brand needs scale. The platform story is also different: the MG4 is on SAIC's MSP (Gen 1) or E3 (Gen 2) platforms; the Smart #1 shares Geely's SEA platform with the Volvo EX30 and Zeekr X. That means the Smart #1 competes internally against its platform siblings — the EX30 is essentially the same car with a Volvo badge. For UK buyers, SAIC's state backing means near-zero risk of the brand disappearing; Smart's JV structure means the brand exists only as long as both Geely and Mercedes want it to.

AttributeMG4 EVSmart #1
brand survival riskMG4 EVVery low — SAIC is state-owned, publicly traded, globally diversified, H1 2025 revenue ¥299.59B with positive cash flowOfficial figuresaicmotor.comSmart #1Low-medium — both Geely and Mercedes are financially solid, but JV structure creates strategic risk if either partner re-prioritises; Smart's Chinese sales volumes are modestManufacturer figuresmart.com

Also noted

  • MG4 EV parent companySAIC Motor (上海汽车集团), Shanghai state-owned, Fortune 500 #93, 7th largest automaker globallyOfficial figureen.wikipedia.org
  • Smart #1 parent company structure50/50 joint venture between Geely (engineering/manufacturing) and Mercedes-Benz (design/brand), established 2019 as 智马达汽车有限公司Official figuresmart.com
  • Smart #1 platformGeely SEA platform, shared with Volvo EX30 and Zeekr XOfficial figuresmart.com
  • MG4 EV platform (Gen 1 vs Gen 2)Gen 1 on MSP platform (RWD, multi-link rear), Gen 2 Urban on E3 platform (FWD, torsion beam rear, CTB architecture)Official figuremg.co.uk

UK ownership considerations — what actually matters day-to-day

Three UK-specific factors tilt the scales. First: warranty. The MG4's 7-year/80,000-mile vehicle warranty is segment-standard; the Smart #1's 3-year/unlimited mileage is conspicuously short (Kia/Hyundai offer 7 years). This matters if you plan to keep the car beyond the warranty period. Second: boot space. The MG4 Gen 1 offers 363L; the Gen 2 Urban improves to 471L. The Smart #1 offers 313–323L — smaller than the MG4 despite being an SUV-crossover. If you carry luggage regularly, the MG4 wins. Third: the 'MG4' name means two different cars in the UK. The Urban (Gen 2, FWD, torsion beam) drives differently from the original MG4 EV (Gen 1, RWD, multi-link). You need to know which one you're buying. The Smart #1 is simpler: one platform, RWD (or AWD for BRABUS), consistent driving dynamics. The MG4's 7-year warranty, larger boot, and significantly lower price make it the rational choice for most buyers. The Smart #1's 96% NCAP score and Mercedes design DNA justify the premium only if safety and styling are your absolute priorities.

AttributeMG4 EVSmart #1
boot capacityMG4 EV363L (Gen 1), 471L (Gen 2 Urban)Official figuremg.co.ukSmart #1313–323L (seats up), 976–986L (folded)Official figureuk.smart.com

Also noted

  • MG4 EV UK Driver Power rankingDead last in both 2023 and 2024 surveys — brand perception challenge independent of productOfficial figurecarmagazine.co.uk
  • Smart #1 UK expert ratingsThe Car Expert A- (77%), Carwow 8/10, What Car? Best Small Electric SUV 2024Official figureuk.smart.com

Verdict — which one should you actually buy?

The MG4 EV vs Smart #1 comparison isn't about which car is 'better' — it's about what you value. If price, range, warranty, and practicality matter: buy the MG4. The Extended Range (338 mi, £32,995) is the sweet spot — RWD handling, multi-link suspension, 7-year warranty, massive range for the money. Skip the Urban unless you absolutely need the lowest entry price. If safety, design, and brand perception matter more: consider the Smart #1 Pro+ (£36,960, 260 mi). The 96% adult NCAP score is exceptional, the Mercedes design DNA is real, and the Geely SEA platform is proven. But be aware of the 3-year warranty gap and the 0% complaint reply rate in China — test dealer responsiveness before committing. For most UK buyers, the MG4 is the rational choice: more range, more warranty, more boot, significantly less money. The Smart #1 is the emotional choice: you're paying £3–10k more for design, safety scores, and a Mercedes-adjacent badge. Both are legitimate — just know which decision framework you're using before you test drive.

AttributeMG4 EVSmart #1
recommended trim for most buyersMG4 EVExtended Range at £32,995 — 338 mi WLTP, RWD, 7-year warranty, best value propositionOfficial figuremg.co.ukSmart #1Pro+ at £36,960 — 260 mi WLTP, 66 kWh NMC, 96% adult NCAP, skip base LFP Pure entirelyOfficial figureuk.smart.com

Also noted

  • Price difference (recommended trims)Smart #1 Pro+ (£36,960) costs £3,965 more than MG4 Extended Range (£32,995) for 78 miles less WLTP rangeOfficial figuremg.co.ukuk.smart.com
  • Warranty gap (recommended trims)MG4 offers 7-year vehicle warranty vs Smart's 3-year — 4-year difference is material for long-term ownershipOfficial figuremg.co.ukuk.smart.com

Frequently asked questions

How much does the MG4 EV cost compared to the Smart #1?
The MG4 EV starts from £23,495 and tops out at £33,995 for the XPower AWD. The Smart #1 starts significantly higher at £29,960 for the base Pure trim, rising to £44,960 for the BRABUS AWD.
Which has the longer range, the MG4 or Smart #1?
The MG4 Extended Range offers 338 miles WLTP for £32,995, while the Smart #1's top trim, the Premium, tops out at 273 miles for £42,960. The Smart #1's base Pure model manages just 193 miles WLTP, inadequate for UK motorway use.
What warranty do the MG4 and Smart #1 have?
The MG4 EV comes with a 7-year, 80,000-mile vehicle warranty, segment-standard for the class. The Smart #1's vehicle warranty is only 3 years, unlimited mileage, conspicuously short compared with Kia or Hyundai's 7 years, which matters if you plan to keep the car long-term.
Which is safer, the MG4 or Smart #1?
Both achieved 5-star Euro NCAP ratings, but the Smart #1's result is exceptional at 96% adult occupant protection, one of the highest scores of 2022. The MG4 scored 83% adult in its Gen 1 test and improved to 87% in the Gen 2 Urban's 2025 retest under stricter protocols.
Which brand is more likely to survive long-term, MG or Smart?
MG's parent, SAIC Motor, is Shanghai state-owned and the seventh-largest automaker globally, giving it very low survival risk. Smart is a 50/50 joint venture between Geely and Mercedes-Benz; both parents are financially solid, but the brand carries low-to-medium risk since it exists only as long as both partners want it to.

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