The Audi S6 Sportback e-tron is a large electric Audi. Whether you are buying new or looking at one a few years old, the yearly costs follow a clear pattern. This guide sets it out, step by step.
Insurance prices are examples for one stated driver, as of 1 November 2026. Your own quote will turn on your details.
The car in the records
The new-car list read on 2026-10-10 shows one version: the S6 Sportback e-tron Electric qu 100 kWh. It has a 496bhp electric motor. The list calls it a luxury car, made in Germany.
It was listed at S$510,999 on 2026-10-10. That price included COE as listed that day. Dealers change prices after COE rounds, so ask for a current figure.
The price page prices the same version, the S6 Sportback e-tron qu 100 kWh.
The COE rule
For an electric car, the COE category turns on motor power. The price page gives the rule:
- Category A if the motor is 110kW (147bhp) or less, which closed at S$132,004 in the October 2026 2nd round
- Category B if it is more powerful, which closed at S$131,901 in the same round
The listed motor is 496bhp, far above the Category A line. The COE page has later rounds.
If you buy used, the car carries whatever COE is left on it. When a COE expires, the owner must renew it or deregister the car. Check the expiry date before anything else.
Road tax, and what age adds
Electric cars pay road tax on motor power. For the 496bhp (370kW) motor, LTA's formula gives S$5,274.70 a year, before any surcharge.
Once a car is over 10 years old, a surcharge applies:
- Over 10 years: +10%
- Over 11 years: +20%
- Over 12 years: +30%
- Over 13 years: +40%
- Over 14 years: +50%
A car that new owners keep past its first COE would reach these bands. The road tax page has the formula for other motors.
Car insurance: the standard driver
The Audi S6 Sportback e-tron price page prices these details:
- Car: registered 3 years ago, private use, comprehensive cover
- Driver: aged 40, married, office job, 10 years' driving
- Record: 50% no-claim discount (NCD), no claims
- Repairs: at an authorised workshop, no options
3 insurers price it online. The lowest premium is S$2,337.31 a year, shared by two plans. The dearest starts at S$2,503.73. That is S$166.42 more, only 7% on top. All prices include 9% GST, and all three are estimates.
Every plan has an excess of S$600. The page lists 16 insurers with no online price, leaving 3 of 19 to compare.
New, 3 years old or 8 years old
This is where a used S6 Sportback e-tron stands out. The lowest price does not change with the car's age:
- A new car, registered this year: S$2,337.31
- A car 3 years old: S$2,337.31
- A car 8 years old: S$2,337.31
The same 3 insurers price each one. So buying an older car brings no saving on the premium. It brings no extra cost either.
Many insurers stop pricing cars online past a certain age. The price page shows no such cut-off for an 8-year-old S6 Sportback e-tron. Check this for any car older than that.
When the driver changes
The driver's record matters far more than the car's age:
- No NCD (0%): S$4,674.61, which is S$2,337.30 more, a rise of 100%
- 20% NCD: S$3,739.68, S$1,402.37 more
- Driver aged 27, 3 years' driving, 30% NCD: S$3,272.22, S$934.91 more
- Driver aged 65, 20 years' driving: S$2,337.31, the same
If you are switching from another car, bring proof of your NCD. Without it, the lowest price doubles.
How it compares with other electric cars
The price page compares six electric cars, for the same driver and car age:
- BMW iX1: S$1,907.27
- BYD Sealion 7: S$1,390.72
- Tesla Model Y: S$939.71
- BYD Atto 3: S$913.63
- Tesla Model 3: S$913.62
- BYD M6: S$861.41
Their average lowest price is S$1,154.39. The S6 Sportback e-tron costs 102% more. All six are cheaper to insure. Other Audi models are on the Audi car insurance page.
Before you pay a deposit on a used one
- COE expiry: check the date on the papers, and what renewing would mean for you.
- Road tax: check when it is next due, and whether the car is near a surcharge band.
- Battery: ask what warranty remains on the battery, and for how long.
- Service record: ask for the history and any open recalls.
- Charging: check whether you can charge at home, at your HDB block or condo.
- Insurance quote: get one for your own details before you commit, not after.
- Ownership papers: confirm the seller is the registered owner and there is no loan still on the car.
Other costs, such as parking, ERP, tyres and depreciation, depend on how you use the car.
Summary of yearly costs we can show
For the Audi S6 Sportback e-tron qu 100 kWh:
- Road tax: S$5,274.70 a year before any age surcharge (LTA's formula, checked 2026-10-19)
- Insurance, standard driver: from S$2,337.31 a year (as of 1 November 2026)
- Insurance, a car 8 years old: from S$2,337.31
- Insurance, no NCD: from S$4,674.61
The one-off cost, for reference: listed at S$510,999 on 2026-10-10, including COE as listed that day.
Before you buy: car insurance for the Audi S6 Sportback e-tron
Before you drive off, get your car insurance through Shenton Brokers. Compare car insurance for the Audi S6 Sportback e-tron to see today's prices from every insurer we compare and how they change with the driver and the car's age. Or get a quote with your own details.