1800 Roadster (1946 to 1948)

MARKET PRICES

1800 Roadster (1946 to 1948)

CMB $20,617

The CLASSIC.COM Market Benchmark (CMB) represents a benchmark value for vehicles in this market based on data accumulated by CLASSIC.COM. Actual market value for a specific vehicle will depend on various elements, including the condition of the vehicle.

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The Triumph 1800 Roadster, also referred to as 18TR, was a model born towards the end of WWII, after the Triumph brand had been bought by th...

The Triumph 1800 Roadster, also referred to as 18TR, was a model born towards the end of WWII, after the Triumph brand had been bought by the Standard Motor Company in 1944. The managing director, Sir John Black wanted to compete with Jaguar that had used Standard engines in the pre-war. The 1800 Roadster used a straight-four 1776cc engine with Solex carburetors mated to a 4 speed manual transmission. Production ran from 1946 to 1948 when the 2000 Roadster was introduced.

1800 Roadster FAQs

Q: How many Triumph 1800 Roadsters were produced?

A: The total number of Triumph 1800 Roadsters produced was 2501.

Q: What years was the Triumph 1800 Roadster sold?

A: The Triumph 1800 Roadster was sold for model years 1946 to 1948.

Have another FAQ about the 1800 Roadster? .

Learn more at

Wikipedia

Model years for 1800 Roadster (1946 to 1948)

1946
1947
1948

For Sale 0

Avg $22,123

Sales Count 7

Dollar Volume $154,863

Lowest Sale $13,440

Top Sale $29,646

Most Recent $13,440

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Auburn, Indiana, USA

1947 Triumph 1800 Roadster

Original & Highly Original

577 mi TMU

Manual

RHD

Auburn, Indiana, USA

Sold

$13,440

Apr 26, 2025

3 months ago

$13,440

Worldwide Auctioneers

Auction

Apr 26, 2025

3 months ago

Details

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Lot 101: 1947 Triumph 1800 Roadster

Sold

$13,440

577 mi TMU
Location: Auburn, Indiana, USA
Originality:
Original & Highly Original

Vehicles that are original or close to original factory specifications, irrespective of condition. May include vehicles that have minor, removable modifications such as aftermarket wheels, exhaust, or accessories such as cargo/roof rack, stereos, etc.
Transmission: Manual
Driver side: RHD

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Vehicle Details

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Houston, Texas, USA

1947 Triumph 1800 Roadster

Original & Highly Original

5k mi TMU

Manual

RHD

Houston, Texas, USA

Sold

$18,000

Apr 23, 2025

3 months ago

$18,000

Bring a Trailer

Auction

Apr 23, 2025

3 months ago

Details

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Lot 188675: 1947 Triumph 1800 Roadster

Sold

$18,000

5,000 mi TMU
Location: Houston, Texas, USA
Originality:
Original & Highly Original

Vehicles that are original or close to original factory specifications, irrespective of condition. May include vehicles that have minor, removable modifications such as aftermarket wheels, exhaust, or accessories such as cargo/roof rack, stereos, etc.
Transmission: Manual
Driver side: RHD

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Vehicle Details

Rancho Cordova, California, USA

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1946 Triumph 1800 Roadster

Original & Highly Original

14k mi TMU

Manual

RHD

Rancho Cordova, California, USA

Sold

$29,000

Sep 4, 2024

11 months ago

$29,000

Bring a Trailer

Auction

Sep 4, 2024

11 months ago

Details

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Lot 161374: 1946 Triumph 1800 Roadster

Sold

$29,000

14,000 mi TMU
Location: Rancho Cordova, California, USA
Originality:
Original & Highly Original

Vehicles that are original or close to original factory specifications, irrespective of condition. May include vehicles that have minor, removable modifications such as aftermarket wheels, exhaust, or accessories such as cargo/roof rack, stereos, etc.
Transmission: Manual
Driver side: RHD

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Vehicle Details

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New South Wales, AUS

1948 Triumph 1800 Roadster

Original & Highly Original

94k mi TMU

Manual

RHD

New South Wales, AUS

Not Sold

Jan 12, 2024

1 year ago

Collecting Cars

Auction

Jan 12, 2024

1 year ago

Details

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Lot 25193: 1948 Triumph 1800 Roadster

Not Sold

94,554 mi TMU
Location: New South Wales, AUS
Originality:
Original & Highly Original

Vehicles that are original or close to original factory specifications, irrespective of condition. May include vehicles that have minor, removable modifications such as aftermarket wheels, exhaust, or accessories such as cargo/roof rack, stereos, etc.
Transmission: Manual
Driver side: RHD

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Vehicle Details

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New South Wales, AUS

1948 Triumph 1800 Roadster

Original & Highly Original

94k mi TMU

Manual

RHD

New South Wales, AUS

Not Sold

Dec 22, 2023

1 year ago

Collecting Cars

Auction

Dec 22, 2023

1 year ago

Details

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Lot 24825: 1948 Triumph 1800 Roadster

Not Sold

94,551 mi TMU
Location: New South Wales, AUS
Originality:
Original & Highly Original

Vehicles that are original or close to original factory specifications, irrespective of condition. May include vehicles that have minor, removable modifications such as aftermarket wheels, exhaust, or accessories such as cargo/roof rack, stereos, etc.
Transmission: Manual
Driver side: RHD

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Vehicle Details

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Buffalo Grove, IL, USA

1947 Triumph 1800 Roadster

Original & Highly Original

5k mi TMU

Manual

RHD

Buffalo Grove, IL, USA

Sold

$26,660

Dec 9, 2023

1 year ago

$26,660

Bring a Trailer

Auction

Dec 9, 2023

1 year ago

Details

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Lot 130163: 1947 Triumph 1800 Roadster

Sold

$26,660

5,000 mi TMU
Location: Buffalo Grove, IL, USA
Originality:
Original & Highly Original

Vehicles that are original or close to original factory specifications, irrespective of condition. May include vehicles that have minor, removable modifications such as aftermarket wheels, exhaust, or accessories such as cargo/roof rack, stereos, etc.
Transmission: Manual
Driver side: RHD

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Vehicle Details

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1948 Triumph Roadster 1800

Original & Highly Original

85k mi

Manual

RHD

Sold

£18,750 ($22,694)

Oct 26, 2023

1 year ago

£18,750

Bonhams | Cars

Auction

Oct 26, 2023

1 year ago

Details

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Lot a4d2: 1948 Triumph Roadster 1800

Sold

£18,750 ($22,694)

85,591 mi
Originality:
Original & Highly Original

Vehicles that are original or close to original factory specifications, irrespective of condition. May include vehicles that have minor, removable modifications such as aftermarket wheels, exhaust, or accessories such as cargo/roof rack, stereos, etc.
Transmission: Manual
Driver side: RHD

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Vehicle Details

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London, GBR

1948 Triumph Roadster 1800

Original & Highly Original

85k mi

Manual

RHD

London, GBR

Sold

£23,750 ($29,646)

Jun 1, 2022

3 years ago

£23,750

Bonhams | Cars

Auction

Jun 1, 2022

3 years ago

Details

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Lot f2cc: 1948 Triumph Roadster 1800

Sold

£23,750 ($29,646)

85,549 mi
Location: London, GBR
Originality:
Original & Highly Original

Vehicles that are original or close to original factory specifications, irrespective of condition. May include vehicles that have minor, removable modifications such as aftermarket wheels, exhaust, or accessories such as cargo/roof rack, stereos, etc.
Transmission: Manual
Driver side: RHD

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Vehicle Details

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Vale of White Horse, GBR

1948 Triumph 1800 Roadster

79k mi

Manual

Vale of White Horse, GBR

Sold

£11,250 ($15,423)

Mar 24, 2021

4 years ago

£11,250

Bonhams | Cars

Auction

Mar 24, 2021

4 years ago

Details

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Lot 6516: 1948 Triumph 1800 Roadster

Sold

£11,250 ($15,423)

79,148 mi
Location: Vale of White Horse, GBR
Transmission: Manual

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Vehicle Details