Ford Sierra RS Cosworth
1986–1992

US$54,270
Market value · recent verified sales
-17.5%
12-month change
Wait or Sell
Prices declining. Sellers should consider acting; buyers should wait.
Median sold price down 17.5% over the last 12 months. Loss is likely to continue, especially for this segment.
Modelled estimate — automatically replaced with verified sold lots as our sources index more results for this car in United States.
MSRP
—
Collectibility
6/10
Collectible
3-Year Forecast
US$35,070
-35%
5-Year Forecast
US$30,683
-43%
Estimates pool 11 verified sales across United Kingdom, Australia — cross-market prices FX-adjusted at Jul 2026 rates.
Market scores
30
Desirability
Illiquid
10
Liquidity
Poor
10
Resale Outlook
Option premiums
What every option is worth.
Built ≤ 1987
+US$43,754+81%7 with · 4 without · low confidence
Premiums compare the median price of sales with each option against comparable sales without it, mined from verified auction listings. Sales are pooled across markets on a relative-price basis, so exchange rates and market levels can't skew the split. Options interact in ways a one-at-a-time split can’t capture — treat each premium as directional rather than gospel.
Marque analyst note
The Ford Sierra RS Cosworth is trading at a median of US$54,270 in the US market, down 17.5 percent over the past year—a notable retreat that signals mounting pressure on pricing. With no completed sales tracked in our database over the past 12 months, the current valuation reflects limited transaction activity and should be treated with caution when assessing true market depth.
The car carries a collectibility score of 6 and is classified as an appreciating classic, yet current desirability is rated as low and liquidity conditions are illiquid. The absence of active listings and zero sales in our sample suggests this market segment lacks the buyer momentum needed to sustain pricing or generate consistent transaction flow.
Base projections point to further depreciation ahead. Over three years, the median is expected to decline to US$35,070 (down 35.4 percent from current levels), with five-year estimates reaching US$30,683 (a 43.5 percent decline). These forecasts reflect weak near-term demand and a market struggling to find stable footing.
The fundamental challenge facing the Sierra RS Cosworth in the US is a combination of low current desirability, illiquid trading conditions, and no recent sales activity to anchor confidence. Without clear evidence of collector interest or transaction momentum, downside risk remains elevated. Owners and prospective buyers should recognize that patience—or selective exit—may prove more prudent than holding through the projected depreciation window.
Depreciation Benchmark
- Current avg valueUS$54,270
- Annual appr. rate-17.5%/yr
- Segment average+3.0 to +9.5%/yr
Vehicle History Signals
- Auction lots tracked11
- Damage or salvage declared0 (0.0%)
- No damage declared11 (100.0%)
Est. Annual Ownership Costs
- Insurance (agreed value)US$600
- MaintenanceUS$2,010
- StorageUS$3,220
- Depreciation— (appreciating)
- Total annual costUS$5,830
Market Liquidity
- Active Listings0
- Sales Last 12 Months0
Market Snapshot
- Active Listings0
- Avg Sale Price—
- Avg Mileage at Sale—
- Recent Price Range—
- Total Sales Tracked0
Recent sales
Indicative only — not investment advice. Past performance is not a reliable indicator of future value.