BYD Sealion 8 vs Lexus UX
A detailed look at how two of Australia's most popular SUVs compare on price, running costs, safety, and everyday livability.
Specifications and pricing correct at time of publishing. Prices are RRP before on-road costs unless stated otherwise. Always confirm with the manufacturer or dealer before purchasing.
BYD Sealion 8
From $56,990
SUV
Plug-in Hybrid
Petrol Turbo PHEV
205kW
1.1 kWh/100km
ANCAP: no data
270L
Lexus UX
From $55,370
SUV
Hybrid
Hybrid
146kW
4.2 L/100km
ANCAP: no data
320L
Plug-in hybrid fuel economy is shown as a hybrid (battery depleted) so it compares fairly with the other car. A PHEV's official "combined" figure assumes you start every trip fully charged, so real-world economy depends on how often you plug in. Electric range shows how far it goes before the petrol engine is needed.
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Price Breakdown
The BYD Sealion 8 starts from $56,990 before on-road costs, while the Lexus UX opens at $55,370. That makes the Lexus UX the more affordable entry point by $1,620.
Once you factor in stamp duty, registration, CTP insurance, and dealer delivery, expect to add roughly 8-12% on top of the RRP depending on your state. That puts estimated driveaway prices in the ballpark of $62,689 and $60,907 respectively.
The BYD Sealion 8 qualifies for FBT exemption as an electric vehicle, which can dramatically reduce the effective cost for novated lease buyers. The Lexus UX, as a petrol model, does not qualify.
Over 5 years, the running costs favour the BYD Sealion 8 by roughly $4,715 in fuel alone.
Safety Rundown
ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.
Charging Times
How long each takes to charge, from a household power point to ultra-rapid DC, estimated from battery size and max charge rates.
How long to charge
19kWh usablePublic DC
50kW charger · 0–80%
Ultra-rapid DC
up to 40kW · 0–80%
Estimates from usable battery size and the car's max charge rates (7.4kW AC, 40kW DC). Real times vary with temperature, starting charge, charger output and the charging curve.
Feature Showdown
The BYD Sealion 8 features a 15.6-inch touchscreen paired with a 10.3-inch digital dash, while the Lexus UX gets a 12.3-inch display and 12.3-inch instruments. Apple CarPlay and Android Auto are standard across both.
The BYD Sealion 8 stands out with wireless charging, panoramic roof and ventilated seats that you will not find on the Lexus UX. The Lexus UX counters with Lexus Premium Sound audio and ambient lighting. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The BYD Sealion 8 uses a Petrol Turbo PHEV producing 205kW and 315Nm of torque, sent through a 1-speed auto to a FWD layout. It covers the 0-100km/h sprint in 8.6 seconds.
The Lexus UX responds with a Hybrid making 146kW and 188Nm, paired to a automatic driving the front wheels. It gets to 100km/h in 8.5 seconds.
The BYD Sealion 8 has the clear power advantage at 205kW vs 146kW. In the real-world sprint, the Lexus UX is 0.1s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The BYD Sealion 8 measures 5,040mm long on a 2,950mm wheelbase, 545mm longer than the Lexus UX at 4,495mm (2,640mm wheelbase). The longer wheelbase on the BYD Sealion 8 generally means more rear legroom.
Boot space is 270L in the BYD Sealion 8 and 320L in the Lexus UX, giving the Lexus UX a 50L advantage. The BYD Sealion 8 seats 7 vs 5.
0Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.2m to 11.8m
Based on 11.8m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.2m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
Compare U-turns side by side
Turning Circle · U-turn compare
kerb-to-kerb, 2 cars0 of 2 clear a 7.0 m street in one sweep
Green cars complete the U-turn; amber need a 3-point turn. Drag the slider to test tighter streets.
Standard widths: AU local streets ~5.5–7 m; main roads ~9–12 m.
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $254/year for the BYD Sealion 8 and $1,197/year for the Lexus UX. That is a $943 annual difference in favour of the BYD Sealion 8.
Estimated annual total: $254 (BYD Sealion 8) vs $1,197 (Lexus UX). The BYD Sealion 8 saves you roughly $943 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 6 years / 150,000km (BYD Sealion 8) vs 4 years / 100,000km (Lexus UX). The BYD Sealion 8 has longer coverage. Capped-price servicing: —4yr (Lexus UX).
Who Should Buy Which?
Buy the BYD Sealion 8 if: You prioritise performance, want lower running costs, value a longer warranty, or prefer BYD's approach to design and ownership experience.
Buy the Lexus UX if: You want the lower entry price, need more boot space, or prefer Lexus's approach to design and ownership experience.
The Verdict
This is genuinely close. The BYD Sealion 8 and Lexus UX trade blows across the spec sheet, and neither runs away with an outright win. The BYD Sealion 8 will save you roughly $943 a year in fuel. If boot space matters, the Lexus UX has a clear edge. The BYD Sealion 8 adds peace of mind with a longer 6-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, BYD Sealion 8 and Lexus UX?
The Lexus UX is the cheapest at $55,370 before on-road costs. That undercuts the BYD Sealion 8 by $1,620.
Which is the most fuel-efficient?
The BYD Sealion 8 uses the least fuel at 1.1L/100km on the combined cycle.
What are the ANCAP safety ratings?
None of BYD Sealion 8 and Lexus UX carry a published ANCAP rating yet — check back as they are tested.
Which has the most boot space?
The Lexus UX has the largest boot at 320L.
Which can tow the most?
The BYD Sealion 8 has the highest braked towing capacity at 1,800kg.
Which has the best warranty?
The BYD Sealion 8 has the longest warranty at 6 years / 150k km.
Which is the most powerful?
The BYD Sealion 8 makes the most power at 205kW. The Lexus UX is quickest to 100km/h in 8.5s.
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Disclaimer: All information in this comparison was believed to be correct at the time of publishing (20 April 2026). Prices are manufacturer recommended retail prices (RRP) and may vary by state, dealer, and options. Driveaway costs include estimated on-road costs for Victoria. Fuel economy figures are WLTP/ADR combined cycle. Specifications can change without notice. Always verify with the manufacturer before making a purchase decision. CarSorted does not accept payment for recommendations.
Auto-generated from CarSorted's specification data · 20 April 2026
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